An optical sensor includes a light projecting unit, a light receiving unit, and a detection unit. The light projecting unit includes a light source that emits light and the light projecting lens configured to condense the light emitted from the light source. The light receiving unit receives the light, and the detection unit detects a target object based on the received light. The light projecting unit further includes a package having a recessed portion. The light source is mounted on the bottom surface of the recessed portion. The light projecting unit also includes a resin that is light transmissive and covers the light source. A side surface of the recessed portion includes a material that absorbs the light emitted from the light source.
A present measurement assistance device is a measurement assistance device that inputs a measurement signal used for a frequency response analysis of a servo system to the servo system, the measurement assistance device including a generation unit configured to generate a first signal determined to eliminate a shift between a first position of a load of the servo system at a start of an excitation with respect to the servo system of a speed command signal that changes with time to include a large number of frequency components and a second position of the load at an end of the excitation of the speed command signal, a synthesizing unit configured to generate a synthesized signal in which the first signal is superimposed on the speed command signal, and an excitation execution unit configured to input the synthesized signal to the servo system.
A robot system includes: a mobile manipulator that has a mechanism for moving on a floor and a mechanism for holding an object; a workbench robot that is fixed to a workbench and that has a mechanism for holding an object on the workbench; and a controller that controls an operation of each of the mobile manipulator and the workbench robot, in which the controller causes the workbench robot and the mobile manipulator to perform a passaging process of cells, the passaging process including conveyance and installation of a container containing the cells between the workbench and another experimental facility.
An optical distance measuring sensor includes a charge accumulation unit for generating a pulse current to be supplied to a light-emitting element; a setting unit that sets a target sensitivity; a pulse current controller that generates the pulse current in synchronization with a repetitive signal, pulse-drives the light-emitting element, and adjusts the pulse current based on the target sensitivity; a light-receiving element that receives the reflected light; a nonvolatile memory having characteristic data of the individual light-receiving element stored therein; a light-receiving element controller that adjusts a multiplication factor of the light-receiving element based on a temperature measured by a temperature sensor, the characteristic data, and the target sensitivity; and a calculation unit that calculates a time from when light is emitted to an object to when reflected light is received based on an output signal repeatedly obtained from the light-receiving element in which the multiplication factor has been adjusted.
A cloud server 60 includes a data acquisition unit 61 and an anomaly determination unit 65. The data acquisition unit 61 acquires from the weather sensor module 1 weather data sensed by the weather sensor module 1 and anomaly determination data that determines whether or not there is an anomaly in the weather sensor module 1. The data acquisition unit 61 acquires weather data at a location where the weather sensor module 1 is installed from the external source. The anomaly determination unit 65 determines whether or not an anomaly can be eliminated to restore a normal state over time on the basis of whether any anomaly has been acquired by the data acquisition unit 61 for each of the multiple weather sensor modules 1 in a specific area in which the weather sensor modules 1 have been installed, and the weather data acquired by the data acquisition unit 61.
G01W 1/18 - Testing or calibrating meteorological apparatus
G01W 1/02 - Instruments for indicating weather conditions by measuring two or more variables, e.g. humidity, pressure, temperature, cloud cover or wind speed
The present disclosure relates to an oxygen saturation measuring device with a band wound on a wrist of a measurement subject; a first sensor portion attached to the band; and a notification portion.
A61B 5/1455 - Measuring characteristics of blood in vivo, e.g. gas concentration or pH-value using optical sensors, e.g. spectral photometrical oximeters
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/08 - Measuring devices for evaluating the respiratory organs
A probe pin includes: a first contact point; a second contact point; a support portion; and an elastic portion connected to the first contact point and the support portion. The elastic portion includes: a plurality of first curved portions; and at least one second curved portion positioned on an opposite side of the plurality of first curved portions with respect to a center line and that protrudes in a direction opposite to the plurality of first curved portions in a second direction. The plurality of first curved portions and the at least one second curved portion are alternately positioned in a first direction. A first imaginary straight line is inclined with respect to the center line, the first imaginary straight line being an imaginary straight line that connects points farthest from the center line in the second direction of two first curved portions adjacent in the first direction.
An optical scanning safety sensor includes: a light emitter; a photodetector; a scanning mirror that scans laser light in a circumference direction of the sensor and guides reflected light of the laser light to the photodetector; a window which allows transmission of the laser light; and a reference object which is disposed opposite the window, relative to the scanning mirror, and reflects the laser light toward the scanning mirror. The reference object includes a reflective surface including a first region and a second region whose reflectance is lower than the first region. The first and second regions are aligned along the circumference direction. A first width of the first region is less than a second width of the second region, along the circumference direction. A spot width, along the circumference direction, of the laser light projected on the reference object is greater than the first width.
A setting device for a sensor configured to perform a two-dimensional scan with light and detect a target object entering a predetermined area, the setting device including: an area setting unit configured to assign an ID to each of a plurality of detection areas for detecting entry of the target object and set a shape of the detection area; and an area set setting unit configured to set a plurality of detection area sets including at least one of the plurality of detection areas, and when a shared ID is assigned to the plurality of detection areas included in at least two of the plurality of detection area sets, the area set setting unit sets the plurality of detection area sets by using the plurality of detection areas to which the shared ID is assigned.
G01B 11/02 - Measuring arrangements characterised by the use of optical techniques for measuring length, width, or thickness
G05D 103/00 - Adaptations for complying with regulatory restraints on the operations of the controlled vehicles, e.g. compliance with airspace or traffic regulations
14.
SETTING DEVICE, SENSOR, SETTING METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM STORING PROGRAM
A setting device for a sensor that measures a distance to an object by two- dimensionally scanning light at a first angular interval includes a distance map generation unit that generates a distance map with respect to the light that is scanned, based on a measured distance to the object and using a plurality of beams sampled at a second angular interval, a display control unit that updates the distance map displayed on a display unit in a predetermined display cycle, a reception unit that receives an instruction of a user, and a setting unit that sets at least one of the second angular interval and the predetermined display cycle in accordance with the instruction of the user received by the reception unit.
G05D 103/00 - Adaptations for complying with regulatory restraints on the operations of the controlled vehicles, e.g. compliance with airspace or traffic regulations
15.
INFORMATION PROCESSING DEVICE, INFORMATION PROCESSING METHOD, AND COMPUTER PROGRAM
There is provided an information processing device 10 including: a synchronization degree computing section 103 computing, from time-series biometric information formed from plural physiological indices and of each of plural users who are carrying out a same task, a degree of synchronization of the time-series biometric information of the users; an emotion sharing degree computing section 104 computing a degree of sharing emotion among the respective users by using the degree of synchronization computed by the synchronization degree computing section 103; and a load controlling section 105 controlling changes in load of the task on the basis of a degree of achievement relating to an extent of achievement of each user with respect to the task, and the degree of sharing emotion of the respective users computed by the emotion sharing degree computing section 104.
A limited reflection type sensor which irradiates exit light from a light emitting unit toward an object sensing region through an exit light lens and receives, at a light receiving unit, reflected light from an object existing in the object sensing region through a reflected light lens, may include a casing including a latching portion formed on a side surface and a first opening facing the object sensing region, the casing accommodating the light emitting unit and the light receiving unit; and a lens part including a light incident/exit part formed integrally with the exit light lens and the reflected light lens, and a side surface covering part in which an end of the light incident/exit part is extended along the side surface, in which the lens part covers the first opening with the light incident/exit part and the side surface covering part is latched by the latching portion.
An information processing device includes a storage unit that stores color information of a human body as reference color information, a detection unit that detects a human body candidate from a captured image captured by a fisheye camera, and a human body determination unit that acquires, from the storage unit, the reference color information corresponding to a detection area where the human body candidate is detected and then determines whether the human body candidate is a human body on the basis of a similarity between the acquired reference color information of the detection area and color information of the human body candidate.
A control system includes a first controller including an interface for connection to a first transmission path, a second controller including an interface for connection to a second transmission path, and a relay. The relay includes a first interface for connection to the first transmission path, and a second interface for connection to the second transmission path. The relay detects a communication state of the first transmission path, and, in accordance with a transfer setting, transmit, to the second controller output data transmitted from the first controller, and transmit, to the second controller, first state data indicating the detected communication state of the first transmission path.
An abnormality determination device according to the present invention comprises a measuring means that measures a plurality of factors affecting the quality of a product produced in a production facility, a control unit, and a storage unit, wherein the storage unit stores: a causal relationship model that specifies a causal relationship among the factors on the basis of features calculated from the factors when normal products are produced at the production facility; a predictive formula that accepts at least one of the features as input and outputs another feature different from the input on the basis of the causal relationship model; and a predicted range of the output. The control unit is configured to determine whether the feature obtained as the output is within the predicted range from among the features calculated from the factors measured in the production process of the production facility.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
An electromagnetic relay includes a contact unit, a case, and a cover. The case includes an internal space, a side wall, a first main opening, a first engaged portion, and a second engaged portion. The contact unit is disposed in the internal space. The cover includes a cover body, a first engaging portion, and a second engaging portion. The first engaging portion is connected to the cover body. The second engaging portion is connected to the cover body at a position different from that of the first engaging portion. The cover is held in either a normal position or a pressure-relief position. In the normal position, the first engaging portion engages with the first engaged portion, and the cover body closes the first main opening. In the pressure-relief position, the second engaging portion engages with the second engaged portion, and the cover body opens the first main opening.
A display control device 20 includes an input reception unit 21, a tip presentation unit 22, specific operation reception units 23, 24, and 25, and a tip display determination unit 26. The input reception unit 21 receives various kinds of information from the user via a keyboard. The tip presentation unit 22 presents operation guidance to the user when input is made via the keyboard. The specific operation reception units 23, 24, and 25 receive the input of specific operations indicating the user's tendency to respond to the operation guidance presented by the tip presentation unit 22. The tip display determination unit 26 determines whether or not to display subsequent operation guidance produced by the tip presentation unit 22, on the basis of the specific operations inputted to the specific operation reception units 23, 24, and 25.
G06F 3/04886 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
G06F 3/04842 - Selection of displayed objects or displayed text elements
A trigger switch TS includes: a shaft member 2, receiving a press-in operation and moving from a first side toward a second side; and a housing 3, movably accommodating the second side. The trigger switch includes: a flexible external tubular member 5, covering the shaft member; and a flexible internal tubular member 7, accommodated inside the housing and attached to the other side of the shaft member 2. In the housing, a through hole 31 is formed on a front wall part 30, and a ventilation hole 33a is formed on a rear wall part 33. In the external tubular member, an end is sealed on the first side, and an opening on the second side is tightly adhered to the through hole. In the internal tubular member, an opening on the first side is sealed, and an opening on the second side is tightly adhered to the ventilation hole.
A learning assistance device 10 is a device that is applied to a system in which a user operates an information processing terminal to input answers to questions, and comprises an answer log reception unit 11, a scoring unit 12, an operation history information acquisition unit 13, and an understanding level estimation unit 14. The answer log reception unit 11 acquires answers to questions. The scoring unit 12 performs scoring on the basis of the answers acquired by the answer log reception unit 11. The operation history information acquisition unit 13 acquires history information about operations inputted by the user to the information processing terminal when answering the questions. The understanding level estimation unit 14 estimates the user's level of understanding for each question that has been scored as correct by the scoring unit 12, on the basis of the scoring results for the user's answer to each question and the user's operation history information acquired by the operation history information acquisition unit 13.
G09B 7/02 - Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by the student
The evaluation method is performed by an arithmetic circuit accessible to a storage device storing: a simplified model trained to, in response to input of whole information based on a whole of a movable object in image information, output evaluation of a moving direction of the object; and a detailed model trained to, in response to input of the whole information and part information based on part(s) of the object, output the evaluation. The evaluation method includes, when a resolution of an image of the object detected from target image information is smaller than a threshold value, inputting the whole information into the simplified model to output the evaluation. The evaluation method includes; when the resolution is equal to or greater than the threshold value, inputting the whole information and the part information into the detailed model to output the evaluation.
The present disclosure relates to an information processing device including a data collection unit, an analysis unit, and a visualization control unit.
An electromagnetic relay includes a fixed contact, a fixed terminal, a movable contact, a movable contact piece, and a housing. The fixed terminal includes an outer terminal portion and a contact support portion. The housing includes a body, a cover, an adhesive, and a support portion. The body has an opening. The cover closes the opening. The adhesive bonds the body to the cover. The support portion protrudes laterally from the body. The support portion is disposed below and supports the outer terminal portion of the fixed terminal. The support portion includes a support surface and a connection portion. The support surface is in contact with the outer terminal portion of the fixed terminal. The connection portion is disposed between the support surface and the body and is connected to the body with a gap between it and the outer terminal portion of the fixed terminal.
To enhance productivity at a production site where a robot and a worker work together. A sensor includes an image generation unit configured to generate a distance image and a luminance image of a predetermined region, a first point cloud data creation unit configured to create, on the basis of the distance image, first point cloud data that is point cloud data of the predetermined region, a mask data creation unit configured to create, when a tag is detected from the luminance image, mask data for masking a predetermined range in the predetermined region on the basis of an analysis result obtained by analyzing the tag, and a second point cloud data creation unit configured to create second point cloud data by excluding point cloud data of a mobile body provided with the tag from the first point cloud data on the basis of the mask data.
A sensor device 10 includes a light projection unit 14, a light reception unit 15, an RGB value acquisition unit 22, a color index value calculation unit 24, and a determination unit 16. The light projection unit 14 projects light. The light reception unit 15 detects reflected light from an area illuminated with the light projected from the light projection unit 14. The RGB value acquisition unit 22 acquires color information about an object present in the illumination area on the basis of the reflected light detected by the light reception unit 15. The color index value calculation unit 24 calculates a single color index value on the basis of the R value, G value, and B value included in the color information acquired by the RGB value acquisition unit 22. The determination unit 16 compares the color index value calculated by the color index value calculation unit 24 with a specific threshold value to determine whether or not an object has been detected.
G01N 21/25 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
G01N 21/29 - ColourSpectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands using visual detection
30.
CONTROL DEVICE, CONTROL SYSTEM, AND PROCESSING METHOD
Means for achieving a new object which is reduction of jitter in position data which may be caused while a motor mechanically coupled to an encoder is stopped is provided. A control device includes an obtaining unit configured to obtain position data from an encoder, a smoothing unit configured to smooth the position data from the encoder, a state detector configured to detect an operating state of the motor mechanically coupled to the encoder, and an output unit configured to output the position data from the encoder every control cycle. The output unit is configured to output the position data from the encoder as it is while the motor is operating and to output the smoothed position data while the motor is stopped.
G05B 19/402 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
G05B 19/404 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for compensation, e.g. for backlash, overshoot, tool offset, tool wear, temperature, machine construction errors, load, inertia
31.
WORK RECOGNITION DEVICE, WORK RECOGNITION METHOD, AND RECORDING MEDIUM STORING WORK RECOGNITION PROGRAM
The present disclosure provides a work recognition device acquiring a photographed image capturing work of a worker; and detecting, based on the photographed image, first detection information relating to an object of the work and at least one of a right hand or a left hand of the worker.
An electromagnetic relay includes a first fixed terminal including a first fixed contact, a movable contact piece, a housing, a magnet, and a yoke. The movable contact piece includes a first movable contact. The housing accommodates the first fixed contact and the movable contact piece. The magnet includes a first magnetic surface directed in a first direction, a second magnetic surface directed in a second direction perpendicular to the first direction, and a third magnetic surface directed in a third direction perpendicular to the first and second directions. The yoke is connected to the magnet and includes a first portion disposed opposite to the first magnetic surface and attracted to the first magnetic surface; a second portion disposed opposite to the second magnetic surface and attracted to the second magnetic surface; and a third portion disposed opposite to the third magnetic surface and attracted to the third magnetic surface.
A control device for controlling an actuator includes a storage that obtains a new distance command value at a first clock timing and stores the new distance command value as a latest value and an immediately preceding latest value as a previous value, a first calculator that calculates a distance inclination based on the latest and previous values and a number of second clocks within one cycle of the first clock, a second calculator that calculates a distance extrapolated value at a second clock timing, a first command generator that outputs a first command corresponding to a target distance when the distance extrapolated value reaches the target distance, and a clock controller that stops output of the second clock until a next cycle of the first clock when the number of the second clocks within one cycle of the first clock reaches a setting value.
G06F 1/06 - Clock generators producing several clock signals
G05B 19/402 - Numerical control [NC], i.e. automatically operating machines, in particular machine tools, e.g. in a manufacturing environment, so as to execute positioning, movement or co-ordinated operations by means of programme data in numerical form characterised by control arrangements for positioning, e.g. centring a tool relative to a hole in the workpiece, additional detection means to correct position
A switch device includes a switch body, a lead wire, a sealing member, and a holder. The switch body includes a switch housing and a first terminal protruding from the switch housing. The lead wire includes a tip portion fixed to the first terminal. The sealing member seals the first terminal and the tip portion. The holder covers the sealing member. The holder includes a connection portion disposed within the holder. The holder is fixed to the switch body by attaching the connection portion to the first terminal.
H01H 9/22 - Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
H01H 13/50 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a single operating member
A light guide plate includes an incident surface into which light from a light source is incident, an emission surface from which the light is emitted, and a plurality of light deflectors that cause the light to be incident from the incident surface and guided therein to be emitted from the emission surface, the plurality of light deflectors being disposed on an arrangement line which is a linear arrangement region, and at least one of the arrangement lines is a multi-intersection arrangement line.
F21V 8/00 - Use of light guides, e.g. fibre optic devices, in lighting devices or systems
G02B 30/30 - Optical systems or apparatus for producing three-dimensional [3D] effects, e.g. stereoscopic images by providing first and second parallax images to an observer’s left and right eyes of the autostereoscopic type involving parallax barriers
An electromagnetic relay includes a base, a main contact unit having a movable contact piece and a first movable member, a coil unit, an auxiliary contact unit, and a second movable member. The movable contact piece extends in a lateral direction. The first movable member is movable in a movement direction perpendicular to the lateral direction between a first closed position and a first open position. The main contact unit is supported by the base in a support direction perpendicular to the lateral direction and the movement direction. The coil unit is supported by the base in the support direction. The auxiliary contact unit is disposed on the opposite side of the main contact unit with respect to the coil unit in the movement direction. The second movable member moves in the movement direction in conjunction with the first movable member.
A joining inductor includes a core, a first winding, and a second winding. The core includes a core body. The core body includes a first core window, a second core window, a first leg, a second leg, and a third leg. The first core window and the second core window are positioned at an interval in a first direction and each penetrate the core body in a second direction. The first leg is positioned between the first core window and the second core window. The second leg is positioned on one side of the first leg in the first direction. The third leg is positioned on another side of the first leg in the first direction. The first winding is wound around the first leg and includes winding ends positioned at the first core window. The second winding is wound around the first leg and includes winding ends positioned at the second core window. Each of the first leg, the second leg, and the third leg includes at least one gap in a third direction.
The present disclosure provides a video image integrating device including an acquiring section acquiring video images in which work of a worker is captured; a detecting section; a judging section; and a generating section.
A learning method includes a weight determination step of determining a weight for a leaf included in a captured image and a first learning step of performing learning of a leaf detection model for detecting a leaf from the captured image based on the weight determined in the weight determination step such that a leaf having a large weight is more easily detected than a leaf having a small weight.
A work recognition device includes a movement information acquisition unit, a work procedure acquisition unit, a movement/standstill determination unit, a break setting unit and an output unit. The movement information acquisition unit acquires movement information relating to movements of a worker. The work procedure acquisition unit acquires work procedure information relating to a predefined work procedure that is a series of tasks to be performed by the worker at plural workbenches. The movement/standstill determination unit determines when the worker is in movement or in standstill on the basis of the movement information. The break setting unit sets breaks between the tasks of the series of tasks on the basis of the work procedure information and results of determining when the worker is in movement or in standstill. The output unit outputs break information relating to the breaks set between the tasks.
The present disclosure provides a bird's-eye data generating device with an acquiring section acquiring time-series data; and a generating section generating bird's-eye data.
G05D 1/24 - Arrangements for determining position or orientation
G05D 1/646 - Following a predefined trajectory, e.g. a line marked on the floor or a flight path
G05D 101/15 - Details of software or hardware architectures used for the control of position using artificial intelligence [AI] techniques using machine learning, e.g. neural networks
The present disclosure provides an information processing device including an acquisition unit that acquires a video image, a partitioning unit that partitions the video image into plural event video images as candidates for appending a caption, an event selection unit that selects the event video image from the candidates by using a selection model for selecting the event video image from plural event video images such that a range of an event is neither too broad nor too narrow, with the selection model using a differentiable function, and a generation unit that generates a video image appended with captions by employing an appending model for appending a caption to an event represented by the input event video image to append a caption to the selected event video image.
G06T 11/60 - Editing figures and textCombining figures or text
G06F 16/783 - Retrieval characterised by using metadata, e.g. metadata not derived from the content or metadata generated manually using metadata automatically derived from the content
G06V 10/22 - Image preprocessing by selection of a specific region containing or referencing a patternLocating or processing of specific regions to guide the detection or recognition
46.
CONTROL DEVICE, CONTROL METHOD, AND CONTROL PROGRAM
The present disclosure provides a control device connected to a robot including an end effector acting on a target object, a drive source for driving the end effector or a robot body, and a tactile sensor provided to the end effector, and that controls the drive source to perform an action on the target object.
A psychological state estimation device includes a display section configured to display a predetermined image, an imaging section configured to image a face of an observer viewing the predetermined image displayed by the display section, a facial expression estimation section configured to estimate a facial expression of the observer from an image of the face imaged by the imaging section, and a state estimation section configured to estimate a psychological state of the observer based on a change in the facial expression of the observer viewing the predetermined image, the facial expression being estimated by the facial expression estimation section.
A transformer includes an iron core including an iron core main body, a first main winding wire, a second main winding wire, a first detection winding wire, and a second detection winding wire. The iron core main body includes a first through hole, a second through hole, and a first leg portion positioned between the first through hole and the second through hole, the first through hole and the second through hole being positioned at intervals in a first direction. The first main winding wire is wound around the first leg portion and includes winding ends positioned in the first through hole. The second main winding wire is wound around the first leg portion and includes winding ends positioned in the second through hole. The first detection winding wire is wound around the iron core in a state where a magnetic flux generated by a common mode noise is cancelable and configured to detect a normal mode noise current. The second detection winding wire is wound around the iron core in a state where a magnetic flux generated by the normal mode noise current is cancelable and configured to detect the common mode noise current.
The environment control system includes a first control unit that controls an environment in a room where an individual stays, a measurement unit that measures a value indicating the environment in the room, an environment model that is constructed using, as input data, a correspondence relationship between a behavior pattern in response to a stress of the individual and the value indicating the environment and outputs a target value for suppressing the stress of the individual when a time-series change in the value indicating the environment is input, and a second control unit that controls the first control unit so that the value indicating the environment measured by the measurement unit approaches the target value acquired by inputting the time-series change in the value indicating the environment into the environment model.
A processing device includes a highly reflective object detector, an attention area definer, and an information displaying unit. The highly reflective object detector determines whether a highly reflective object with a reflection intensity higher than a predetermined reference is located within a measurement area of the sensor based on measurement data. The attention area definer defines, when the highly reflective object is detected, an attention area between the highly reflective object and the sensor. The attention area is an area with a likelihood of being affected by the highly reflective object to cause the sensor to have lower measurement accuracy. The information displaying unit causes the attention area to be superimposed on a range image displayed on a display.
An electromagnetic relay includes a first fixed terminal, a first fixed contact, a second fixed terminal, a second fixed contact, a movable contact piece, a first movable contact, a second movable contact, a contact spring, and a moving member. The movable contact piece includes a through hole positioned centrally in a first direction. The moving member is movable in a second direction. The moving member passes through the through hole and is coupled to the movable contact piece at the center of the movable contact piece in the first direction to be relatively movable. The moving member has a clearance relative to the through hole of the movable contact piece, so that, when at least one of the second fixed contact and the second movable contact is lost, the clearance allows the movable contact piece to be tilted with respect to the moving member by the urging force of the contact spring and directly or indirectly contact the second fixed terminal.
An abnormality detection device includes: an acquisition unit configured to acquire a state of a relay that is connected to an instrument to be monitored and controls opening and closing of a circuit to which the instrument is connected; a detector configured to detect an abnormality of the instrument on the basis of the state of the relay or a change in the state of the relay; and a notifying unit configured to notify a user of the abnormality detected by the detector.
An information processing device includes a display unit for displaying a movable indicator, a detector for detecting the direction of the face of a user, and a movement controller for suppressing the indicator from moving on the display unit, when the direction of the face of the user detected by the detector is a direction within a predetermined angle range with respect to the forward direction.
A power switch including a communication unit communicably connected to an external device, a relay that opens and closes a power line supplying electric power from a power source to a load, a control unit that controls the relay based on information received from the external device via the communication unit, and an output connector connected with an output cable outputting the electric power input from the power source to the load. A connection surface of the output connector is provided so as to be inclined and face downward in a use state, in the connection surface, an insertion port connected with the output cable being opened.
A power switch including a communication unit communicably connected to an external device, a relay that opens and closes a power line supplying electric power from a power source to a load, a control unit that controls the relay based on information received from the external device via the communication unit, and a housing that accommodates the communication unit, the relay, and the control unit. The housing includes a first chamber and a second chamber separated from the first chamber by a partition wall, a first substrate mounted with the relay and constituting a part of the power line is disposed in the first chamber, and a second substrate including the communication unit and at least a part of the control unit and being connected to the first substrate is disposed in the second chamber.
The production management system (1) is characterized by comprising: a performance value calculation unit (110a) that calculates a production performance value, which is a performance value of an index relating to productivity or quality of a product on the production line (10); and an actual ability value calculation unit (110a) that calculates an actual production ability value, which is an actual ability value of the index relating to productivity or quality of the product on the production line. The actual production ability value is the index relating to productivity or quality of the product, which is calculated by eliminating, from index data relating to productivity or quality of the product on the production line (10), the index data corresponding to statistical outliers in distribution of the production performance values, and/or the index data affected by a predetermined condition change in the production line.
G05B 19/418 - Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
G06Q 10/0639 - Performance analysis of employeesPerformance analysis of enterprise or organisation operations
A grayscale image generation device (30) comprises a distance information acquisition unit (11), a grayscale information acquisition unit (12), a correction unit (13), and an image generation unit (14). The distance information acquisition unit (11) acquires information about the distance to an object (40) according to the amount of reflection of electromagnetic waves with which the object is irradiated from a lighting device (21). The grayscale information acquisition unit (12) acquires grayscale information according to the amount of reflection of the electromagnetic waves emitted from the lighting device (21) and irradiating the object. The correction unit (13) corrects the grayscale information acquired by the grayscale information acquisition unit (12) on the basis of the distance information acquired by the distance information acquisition unit (11). The image generation unit (14) generates a grayscale image including information about the distance to the object (40) on the basis of the grayscale information corrected by the correction unit (13).
A control system collects a captured image of a target associated with an imaging time, cyclically collects state values of the target, and acquires, for each predetermined length of time, a representative value of state values collected over the predetermined length of time. For a representative value from among representative values each acquired for each predetermined length of time, the control system displays a temporal waveform and a moving image side by side, the temporal waveform is a temporal waveform of the state values collected over the time associated with the representative value, and the moving image is a moving image of images each associated with the imaging time in the predetermined length of time.
A trigger switch TS includes a trigger 1 receiving a press through an operation of an operator to be movable to a deepest position in a press direction. The trigger includes: a base shaft member 11, to which a trigger cap 10 is removably attached; and a limiting member 14, supported by the base shaft member to be operable, and able to limit a movement of the trigger. In the trigger where the trigger cap 10 is attached to the base shaft member, if a first press is received, the movement is limited at a limited position not arriving at the deepest position through the limiting member in a limited state. With removal of the received first press, the limiting member transitions to from the limited state to an unlimited state and, if a second press is received following the removal, it is possible to move to the deepest position.
An electromagnetic relay includes a base, a first contact terminal, a second contact terminal, and a case. The first contact terminal and the second contact terminal protrude downward from the base. The first contact terminal includes a first bent portion. The second contact terminal includes a second bent portion. The first bent portion and the second bent portion are disposed on the bottom surface of the base on a first side of the center line of the base and bent along the bottom surface of the base. The case or the base includes a stand portion. The stand portion protrudes downward. The stand portion is disposed on a second side opposite the first side with respect to the center line of the base.
An image processing apparatus includes a video obtainer that obtains a video captured with a camera, a human detector that performs human detection with the obtained video, a moving object detector that performs moving object detection with the obtained video, a human candidate identifier that identifies, as an image of a human candidate area, an image of an area detected through human detection by the human detector based on a degree of matching between the image of the area detected through human detection by the human detector and an image of an area detected through moving object detection by the moving object detector, and a determiner that determines whether the identified image of the human candidate area is an image of a human based on a degree of matching between the image of the human candidate area and a reference image of an object erroneously detected as a human.
G06V 40/16 - Human faces, e.g. facial parts, sketches or expressions
G06V 10/74 - Image or video pattern matchingProximity measures in feature spaces
G06V 10/98 - Detection or correction of errors, e.g. by rescanning the pattern or by human interventionEvaluation of the quality of the acquired patterns
G06V 20/40 - ScenesScene-specific elements in video content
A power conversion device that converts DC power input from a DC power supply and outputs the DC power, the power conversion device including: an output current value acquisition unit acquiring an output current value; an output voltage value acquisition unit acquiring an output voltage value; and a controller controlling an output voltage. The controller includes a correction value generator configured to generate an output current correction value, based on an output current target value that is a target value of an output current, and the output current value, and a droop controller configured to droop an output voltage target value that is a target value of the output voltage, based on a corrected output current value that is the output current value corrected using the output current correction value. The output voltage is controlled based on the output voltage target value dropped and the output voltage value.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02M 3/158 - Conversion of DC power input into DC power output without intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a triode or transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of output voltage or current, e.g. switching regulators including plural semiconductor devices as final control devices for a single load
An electromagnetic relay includes a base, a seat, a first contact terminal, and a second contact terminal. The seat is a separate body from the base and is disposed below the base. The seat includes a first hole and a second hole. The first hole and the second hole each extend in the vertical direction. The first contact terminal extends downwardly from the base through the first hole. The first contact terminal includes a first bent portion bent along the bottom surface of the seat. The second contact terminal extends downwardly from the base through the second hole. The second contact terminal includes a second bent portion bent along the bottom surface of the seat.
When a step-up operation is performed, a control device of a power converter outputs a first reference control signal for turning ON/OFF a first switching element to the first switching element and a third switching element of a first full bridge circuit, outputs a first reference inverted signal with an inverted phase with respect to the first reference control signal to a second switching element and a fourth switching element, extends a period in which at least the second switching element and the fourth switching element of a second switching leg are simultaneously OFF such that the period is longer than a period in which the first switching element and the third switching element of a first switching leg are simultaneously OFF.
H02M 3/335 - Conversion of DC power input into DC power output with intermediate conversion into AC by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate AC using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
A biological information processing device includes a signal reception unit configured to receive a signal related to biological information reflected from at least one person to be measured, a candidate region identification unit configured to calculate an arrival direction of the signal and/or a distance to the at least one person to be measured from the signal received and identify a candidate region of the at least one person to be measured using the arrival direction and/or the distance calculated, an information generation unit configured to generate biological information corresponding to the candidate region of the at least one person to be measured from the signal received, and a biological information association unit configured to associate the at least one person to be measured with the biological information generated, on the basis of a feature of the biological information generated.
G16H 50/30 - ICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for calculating health indicesICT specially adapted for medical diagnosis, medical simulation or medical data miningICT specially adapted for detecting, monitoring or modelling epidemics or pandemics for individual health risk assessment
A61B 5/00 - Measuring for diagnostic purposes Identification of persons
A61B 5/0205 - Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition
A61B 5/05 - Detecting, measuring or recording for diagnosis by means of electric currents or magnetic fieldsMeasuring using microwaves or radio waves
A61B 5/08 - Measuring devices for evaluating the respiratory organs
A sighting device is a sighting device used in a measuring apparatus including a signal detector that detects a signal related to biological information reflected from a person to be measured, the sighting device including: a visible indicator; and a viewing range specifier that specifies a viewing range of the indicator. A relative position between the indicator and the viewing range specifier is determined such that the viewing range of the indicator specified by the viewing range specifier forms an area included in a detection range of the signal by the signal detector.
G01B 11/27 - Measuring arrangements characterised by the use of optical techniques for measuring angles or tapersMeasuring arrangements characterised by the use of optical techniques for testing the alignment of axes for testing the alignment of axes
An optical interference ranging sensor is equipped with a plurality of light receiving channels corresponding to one light projecting channel. The optical interference ranging sensor includes a light source that projects light while changing a wavelength; an interferometer that generates interference light based on measurement light and reference light; a light receiver that receives the interference light from the interferometer; and a processing unit that calculates a distance from the sensor head to the measurement target. The interferometer includes a light projecting channel configured to propagate light supplied from the light source toward the sensor head and irradiate the measurement target with the light from the sensor head. A plurality of light receiving channels are configured to receive the measurement light and propagate the measurement light toward the light receiver. At least one of the light projecting channel and the plurality of light receiving channels further propagates the reference light.
A trigger switch includes: a housing, housed in a main unit; a trigger, accepting a push operation with a part located outside the housing, and moving when pushed by the push operation and when the push operation is released; and an energizing member, energizing the trigger in an opposite direction to the push operation, and is capable of being incorporated into the main unit. The energizing member energizes the trigger in an opposite direction to the push operation at one end side located outside the housing, and has other end side fixed inside the housing.
A display selection button 10 comprises a light projecting unit 21, a light guide plate 13, a plurality of light receiving units 22, and a control unit 30. The light guide plate 13 has an incident surface 13a, a plurality of prisms 13d that reflect incident light toward the side approached by a finger and are provided at positions corresponding to push buttons 10c, and an exit surface 13b that emits the light reflected by the prisms 13d in the direction in which the finger approaches or touches. The light receiving units 22 are provided at positions corresponding to the push buttons 10c and receive light reflected from a finger approaching a push button 10c. The prisms 13d reflect light so as to compensate for the amount of light that decreases depending on the distance from the light projecting unit 21.
A display selection button 10 comprises a light projecting unit 21, a light guide plate 13, a plurality of light receiving units 22, and a control unit 30. The light guide plate 13 has an incident surface 13a to which the light projected from the light projecting unit 21 incident, a plurality of prisms 13d that reflect incident light toward the finger side and are provided at positions corresponding to push buttons 10c, and an exit surface 13b that emits the light reflected in the direction in which the finger approaches. The light receiving units 22 are provided at positions corresponding to the push buttons 10c and receive light reflected from a finger. The light receiving unit 22 have higher detection sensitivity as a distance from the light projecting unit 21 increases so as to compensate for the amount of light that decreases depending on the distance from the light projecting unit 21.
b and reflected from a finger. The control unit 30 detects the approach of a finger depending on the amount of light received by the light receiving units 22. The printed sheet 14 displays the desired numerals. The LED 25 emits light for displaying the desired numerals in the printed sheet 14.
G06F 3/04886 - Interaction techniques based on graphical user interfaces [GUI] using specific features provided by the input device, e.g. functions controlled by the rotation of a mouse with dual sensing arrangements, or of the nature of the input device, e.g. tap gestures based on pressure sensed by a digitiser using a touch-screen or digitiser, e.g. input of commands through traced gestures by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus
G07F 9/02 - Devices for alarm or indication, e.g. when emptyAdvertising arrangements in coin-freed apparatus
G09G 3/00 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
80.
DISPLAY DEVICE AND PRESENTATION DEVICE EQUIPPED WITH SAME
A display selection button 10 comprises a light projecting unit 21, a light guide plate 13, a light receiving units 22, a control unit 30, and LED 23,24. The light guide plate 13 has an incident surface 13a to which the light emitted from the light projecting unit 21 is incident, a plurality of prisms 13d that reflect incident light toward the side approaching or touching a finger and are provided at positions corresponding to push buttons 10c, and an exit surface 13b that emits the light reflected in the direction in which the finger approaches. The light receiving units 22 receive light emitted from the exit surface 13b and reflected from a finger. The control unit 30 detects the approach of a finger depending on the amount of light received by the light receiving units 22. The light guide plate 13 has the plurality of the prisms 13e that reflect the incident light and displays the desired design. The LEDs 23, 24 emit light to the light guide plate 13 and cause the light to reflect on the plurality of the prisms 13e.
An electronic device obtains a first image, including an image area enclosing a barcode, selects an image filter having a filter parameter, and iteratively processes the first image until a quality score satisfies an image modulation condition. A set of filters and associated filter parameters are determined for processing additional barcode images based on at least the image filter and the filter parameter corresponding to the quality score that satisfies the image modulation condition. During each iterative cycle, the image area is processed by the image filter having the filter parameter to generate a plurality of grayscale values, determine the quality score that measures the quality of two grayscale clusters grouping the grayscale values of the image area, determine whether the quality score satisfies the image modulation condition, and adjust the filter parameter of the image filter when the quality score does not satisfy the image modulation condition.
G06K 7/14 - Methods or arrangements for sensing record carriers by electromagnetic radiation, e.g. optical sensingMethods or arrangements for sensing record carriers by corpuscular radiation using light without selection of wavelength, e.g. sensing reflected white light
The present disclosure provides a control system is provided with: a user program acquisition means; a user program execution means; a system program storage means; and a system program execution means.
The present invention generates, from among paths that exist for a task to assemble target objects together, an operation path that can be executed at high speed without a probing operation.
The present invention generates, from among paths that exist for a task to assemble target objects together, an operation path that can be executed at high speed without a probing operation.
An acquisition section 32, for an operation to assemble a main target object 90A gripped by a gripping section of a robot 42 together with an auxiliary target object 90B that is an assembly target, acquires a start position and orientation, and an end position and orientation, of the gripping section relative to the main target object 90A, and acquires environment information. Based on the acquired information, a simulation section 34 performs a simulation of a transition of contact states between the main target object 90A and the auxiliary target object 90B, from a contact state until there is a non-contact state. Based on the acquired information and on the simulated transition of contact states, a generation section 36 generates an operation path of the robot to reach a goal state from an initial state until reaching one or another contact state included in the transition of contact states, along a transition of contact states including the one or the other of the contact states.
A socket includes a housing, a lever attached to the housing in a state in which the lever is rotatable about a rotation axis, and a restriction member configured to restrict rotation of the lever. The lever includes an operating portion extending from the rotation axis in a radial direction with respect to the rotation axis, and the lever is configured to rotate about the rotation axis between a first position and a second position. The restriction member is attached to the operating portion in a state in which, when the lever is located at the first position, the restriction member is movable along the radial direction between a restriction position that is located between the operating portion and the second wall portion in the circumferential direction and rotation of the lever is restricted, and a release position that is a position farther from the rotation axis in the radial direction than the restriction position and restriction of rotation of the lever is released.
A photoelectric sensor includes an indicator lamp that is easily visible in any direction. A photoelectric sensor (1) includes a housing (10) having a first surface (e.g., a top surface 15) and a second surface (e.g., a bottom surface 16) opposite to the first surface, and a first indicator lamp (31) and a second indicator lamp (32) that redundantly indicate information about a state of the photoelectric sensor (1). The first indicator lamp (31) is located on the first surface, and the second indicator lamp (32) is located on the second surface. The first surface and the second surface are parallel to each other. The information indicated redundantly is at least one of an on-off state of a power supply or a workpiece detection state.
To reduce the time required for investigating the cause and performing recovery work when a problem occurs. An information processing system includes: a signal output unit configured to output an external signal; an imaging unit configured to acquire the external signal from the signal output unit and synchronously output a captured image generated by imaging an object and the external signal; and a creation unit configured to acquire the captured image and the external signal from the imaging unit, add information regarding the external signal to the captured image synchronized with the external signal, and create a moving image including a plurality of the captured images continuous in time series on the basis of the captured image to which the information regarding the external signal has been added.
A communication device (10) includes a reception part (20) demodulating a signal subjected to frequency shift keying by using binary values. The reception part has: a detection part, detecting a first bit, which is one of high and low bits along a time line; and an estimation part, estimating presence of a second bit based on a length of the ongoing time during which the first bit cannot be detected.
A trigger switch which includes a trigger, a shaft member, and a housing includes a fixed engagement portion and a movable engagement portion which is operable that are engaged with each other to inhibit a movement of the trigger. The trigger includes a trigger cap and a holding member that holds the trigger cap and is supported by the shaft member. The trigger cap has a restricting portion and may be attached to and detached from the holding member. When the trigger cap is detached, the movable engagement portion moves to an engagement position, and inhibits the movement of the trigger by a pressing operation. When the trigger cap is attached, the movement of the movable engagement portion is restricted by the restricting portion, and the inhibition of the movement of the trigger is released.
An electromagnetic relay includes a fixed contact, a fixed terminal, a coil, an iron core, and a spool. The fixed terminal includes a contact support portion on which the fixed contact is provided. The coil is disposed behind the fixed terminal. The iron core includes a shaft portion and a head portion. The spool includes a hole and a flange. The shaft portion is disposed in the hole. The flange includes a first front surface and a second front surface. The hole is open at the first front surface. The first front surface is disposed rearward of and facing the head portion. The second front surface is disposed rearward of and facing the contact support portion. The second front surface is spaced a predetermined distance rearward from the first front surface. The predetermined distance is greater than the thickness of the contact support portion in the front-rear direction.
An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a housing, a coil, and a spool. The second fixed terminal is disposed in front of the first fixed terminal and faces the first fixed terminal. The housing includes a side surface that laterally covers the first fixed terminal and the second fixed terminal. The coil is wound around the spool. The spool includes a support portion and a lateral wall portion. The support portion supports the first fixed terminal. The lateral wall portion extends from the support portion and is disposed between the first fixed terminal and the side surface of the housing in the left-right direction. The front end of the lateral wall portion is located between the first fixed terminal and the second fixed terminal in the front-rear direction.
An electromagnetic relay includes a coil, a first contact terminal, a second contact terminal, a coil terminal, and a spool. The first contact terminal is disposed in front of the coil. The second contact terminal is disposed behind the coil. The coil terminal includes a body portion and a tie-down portion. The body portion is disposed between the first contact terminal and the second contact terminal. The tie-down portion extends forward from the body portion along the coil. The spool is disposed between the first contact terminal and the second contact terminal. The spool includes a front flange and a rear flange. The front flange includes a vertical wall portion and a lateral wall portion. The vertical wall portion is located between the first contact terminal and the tie-down portion. The lateral wall portion is bent relative to the vertical wall portion and extends forward from the vertical wall portion.
An electromagnetic relay includes a first fixed terminal, a movable contact piece, a drive device, a contact case, and a housing. The first fixed terminal includes a first fixed contact. The movable contact piece includes a first movable contact facing the first fixed contact in a first direction. The drive device moves the movable contact piece in the first direction. The contact case is arranged side by side with the drive device in the first direction. The contact case accommodates the first fixed contact and the movable contact piece. The housing accommodates the contact case and the drive device. The housing includes a pressing section configured to press the contact case against the drive device.
An electromagnetic relay includes a first fixed terminal with a first fixed contact; a movable contact piece with a first movable contact on a first surface thereof facing the first fixed contact; a drive device with drive shaft to move the movable contact piece; a contact case; and a guide wall. The guide wall is connected to an inner surface of the contact case. The guide wall leads a first airflow around the first fixed contact and the first movable contact toward a second surface of the movable contact piece, which is on the side of the movable contact piece that is opposite to the first side. The first airflow is caused by current flowing between the first fixed contact and the first movable contact.
H01H 50/42 - Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement
Systems and methods for generating safety zones for a mobile robot are described. The systems and methods can include receiving information about a cart or topper to be used on the mobile robot such as a size and number of posts of the cart. The systems and methods can further include generating safety zones based on the type of mobile robot and the information about the cart or topper. The systems and methods can further include operating the mobile robot based on the safety zone such that when an object is detected within the safety zone, a controlled stop of the mobile robot is triggered.
An assistance device includes: an acquisition unit configured to acquire reference data that is data of standard time-series change of a state of a specific crop and measurement data obtained by measuring a time-series change in a state of the specific crop; and a determination unit configured to determine cultivation work with respect to cultivation of the specific crop 1) based on a change rate of the state accompanying a time-series change in the reference data and a change rate of the state accompanying a time-series change in the measurement data, 2) based on a value of the state in the reference data and a value of the state in the measurement data, or 3) based on an integrated value of a time-series change of the state in the reference data and an integrated value of a time-series change of the state in the measurement data.
Learning guidance tailored to personality, etc., of a user is provided to improve learning efficiency of the user.
Learning guidance tailored to personality, etc., of a user is provided to improve learning efficiency of the user.
A transition acquisition section acquires transition of answer status of a user to questions on a test based on operation history information indicating a history of input operations performed by the user on a terminal when the user takes the test. An understanding level estimation section estimates level of understanding of the user of the respective questions on the test using scoring results of answers of the user. A guidance generation section generates guidance regarding learning guidance for the user based on the transition of the answer status of the user acquired by the transition acquisition section and the level of understanding of the respective questions on the test estimated by the understanding level estimation section.
G09B 7/02 - Electrically-operated teaching apparatus or devices working with questions and answers of the type wherein the student is expected to construct an answer to the question which is presented or wherein the machine gives an answer to the question presented by the student
A push button switch includes a push button, a movable contact that moves together with the push button, and a fixed contact with respect to which the movable contact comes into contact or separates in accordance with the operation of the movable contact. The push button switch includes a light emitting element, and a light receiving element. A light emitting position where light emitted from the light emitting element is radiated to the outside, and a light receiving position where light detected by the light receiving element is received from the outside are disposed outward of an edge of the push button when viewed in a pushing direction. The light receiving element is disposed to detect light emitted from the light emitting element and reflected by an object in a detection region set in a space on the push button side in the opposite direction to the pushing direction.
H01H 13/02 - Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch Details
An electromagnetic relay includes a first fixed terminal, a second fixed terminal, a movable contact piece, a moving member, a drive device, and a magnet member. The first fixed terminal includes a first fixed contact. The second fixed terminal includes a second fixed contact. The movable contact piece includes a first movable contact facing the first fixed contact in a first direction and a second movable contact facing the second fixed contact in the first direction, the first direction including a contact direction toward the first fixed contact and a separation direction away from the first fixed contact. The moving member is connected to the movable contact piece. The drive device includes a coil, a movable iron core, and a first yoke. The coil generates electromagnetic force. The movable iron core is arranged radially outside of the coil and is fixed to the moving member. The first yoke includes an attracting portion to attract the movable iron core by the electromagnetic force. The magnet member is arranged radially outside of the coil and assists the attracting portion to attract the movable iron core.
H01H 50/42 - Auxiliary magnetic circuits, e.g. for maintaining armature in, or returning armature to, position of rest, for damping or accelerating movement