An example of a white inkjet ink includes: a non-self-dispersed white pigment: from about 0.01 wt % active to about 5 wt % active, based on a total weight of the white inkjet ink, of a first anionic dispersant that is a copolymer having a weight average molecular weight (Mw) ranging from about 125.000 g/mol to about 30,000,000 g/mol: from about 0.01 wt % active to about 5 wt % active, based on the total weight of the white inkjet ink, of a second anionic dispersant that is a copolymer having a weight average molecular weight (Mw) ranging from about 700 g/mol to about 30.000 g/mol: a rheology modifier: a polymeric binder; and an aqueous vehicle.
A process includes defining top and bottom interleaving zones of a print swath, generating a top interleaving mask corresponding to the top interleaving zone based on an objective drop density for the top interleaving mask, and drop locations provided by a print mask, generating a bottom interleaving mask corresponding to the bottom interleaving zone based on the top interleaving mask, selecting a subset of drop locations provided by the print mask by applying the top and bottom interleaving masks to the print mask, and causing colorant to be deposited to a substrate according to the selected subset of drop locations.
Examples are described herein for monitoring power source usage of a computing device, including a battery and another power source, over time. In various examples, time periods of this monitored time may be added to a time count based on their immediately previous or immediately subsequent time periods satisfying a condition. The time count may be used to track periods of time during which certain power source usage factors are present that may lead to or may indicate the presence of battery swelling. After a time period is added to the time count, the updated time count can be compared to a time count threshold, and a user of the computing device may be warned based on the comparison. The threshold and warning may be selected to warn a user of potential present or future swelling of the battery.
G01R 31/371 - Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with remote indication, e.g. on external chargers
G01R 31/382 - Arrangements for monitoring battery or accumulator variables, e.g. SoC
8.
MICROFLUIDIC DEVICES WITH PAIRING REGIONS AND DROPLET GENERATORS
Example microfluidic devices include a pairing region and a droplet generator. The pairing region comprises a first microfluidic channel including a first sensor, the first microfluidic channel fluidically coupled to a first fluid actuator and to receive a first aqueous fluid, and a second microfluidic channel including a second sensor, the second microfluidic channel fluidically coupled to a second fluid actuator and to receive a second aqueous fluid. The droplet generator comprises a merging chamber fluidically coupled to the first microfluidic channel, the second microfluidic channel, and a third microfluidic channel, the third microfluidic channel fluidically coupled to the merging chamber and to receive a carrier fluid, and a fluid ejector fluidically coupled to the merging chamber.
In some examples, the imaging system can include a first calibration object having a first surface configuration to visually indicate a polarization orientation of light emitted thereto. The imaging system may include a light source to emit light in accordance with a plurality of light settings, each of the light settings defining a different relative position of the light source with respect to the first calibration object. The imaging system can include an imaging device. The imaging system can include a processor to instruct the imaging device to capture a plurality of images of the first calibration object illuminated with the light source with different light settings of the plurality of light settings and to calibrate image data corresponding to a sample under the same different light settings based on the plurality of images captured by the imaging device.
In an example, a photometric imaging system may include an imaging device to capture a plurality of images under a plurality of different illumination settings. The photometric imaging system can include a graphics unit and a connection bridge. The graphics unit may execute image processing tasks on the plurality of images to obtain processed images defining material channel data. The connection bridge of the photometric imaging system may transmit the plurality of processed images to a secondary electronic device.
In an example, a photometric imaging device comprises a light source to illuminate a target area including a set of fiducials, an imaging device to capture images of the set of fiducials illuminated by the light source with different image viewing settings, and a controller. The controller is to: control the light source to subsequently illuminate the set of fiducials with the different image viewing settings; determine locations of the set of fiducials on the captured images; determine pixel deviations between the determined locations; and determine offset data based at least in part on the determined pixel deviations.
An over-print varnish formulation is described. The formulation comprises a non-ionic polyurethane dispersion; a water-soluble polymer of Mw less than 55,000; a wax having a particle size (d50) 200 nm or less; and a water-soluble solvent, and at least 20 wt % solids, based on the total weight of the formulation. A method of printing using the formulation, and a printed article are also described.
B41M 5/00 - Duplicating or marking methodsSheet materials for use therein
B41M 7/00 - After-treatment of printed works, e.g. heating, irradiating
B42D 15/00 - Printed matter of special format or style not otherwise provided for
C09D 11/033 - Printing inks characterised by features other than the chemical nature of the binder characterised by the solvent
C09D 11/102 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
C09D 11/106 - Printing inks based on artificial resins containing macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
C09D 11/12 - Printing inks based on waxes or bitumen
C09D 11/38 - Inkjet printing inks characterised by non-macromolecular additives other than solvents, pigments or dyes
C09D 11/40 - Ink-sets specially adapted for multi-colour inkjet printing
C09D 11/54 - Inks based on two liquids, one liquid being the ink, the other liquid being a reaction solution, a fixer or a treatment solution for the ink
Systems and methods for establishing a shared secret (or pre-shared key (PSK)) between a Chipset and a trusted platform module (TPM) of a computing device that can be used to encrypt all communication between those two components. The PSK may include two (or more) factors that must both be available to the Chipset in order to communicate with the TPM. The first factor may originate from an Endpoint Security Controller (EpSC) and the second factor may originate from within the Chipset. The PSK may only be regenerated by combining multiple segments of a key, referred to as “factors,” that may be separately assigned to different components of a computing device. If all factors are not provided to a TPM upon boot-up, communication between the Chipset and the TPM may be disabled.
A device includes first and second substrates. The first substrate has one or multiple first channels and one or multiple first conductors that are exposed at a first surface of the first substrate. The second substrate has one or multiple second channels and one or multiple second conductors that are exposed at a second surface of the first substrate. The first and second substrates are plasma bonded together at the first and second surfaces, forming direct electrical interconnects between the first and second conductors and direct fluidic interconnects between the first and second channels.
A printing apparatus can include a fuser including a fusing member, a heater configured to heat the fusing member, and a pressure member configured to form, together with the fusing member, a fusing nip through which the print medium passes, a ventilation device to supply air to the fusing member in a width direction, a first temperature sensor configured to detect a temperature of a non-paper passing area of the pressure member, a controller configured to control the ventilation device based on the temperature detected by the first temperature sensor.
According to an example, a method to wind media in an output roller downstream a media advance engine comprises advancing a medium for a determined medium length, collecting a first portion of the determined medium length at a first speed by rotating the output roller in a winding direction, and collecting a second portion of the determined medium length by rotating the output roller in a winding direction at a second speed, wherein the first speed is greater than the second speed.
B65H 20/34 - Arrangements for accumulating surplus web by making loops with rollers
B65H 5/06 - Feeding articles separated from pilesFeeding articles to machines by rollers
B65H 23/188 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web
B65H 23/192 - Registering, tensioning, smoothing, or guiding webs longitudinally by controlling or regulating the web-advancing mechanism, e.g. mechanism acting on the running web in connection with running-web motor-controlled
A print apparatus includes a toner image forming portion to form a toner image on a print medium, a fuser to fuse the toner image onto the print medium, and an air blower. duct guides cooling air from the blower to the fuser. The duct includes an outer wall, an inlet formed in the outer wall facing the blower, and an outlet facing the fuser. A slider may be slidable in a width direction of the print medium so as to adjust an opening amount of the outlet. A flexible guide member is provided to guide the cooling air from the inlet of the duct to the outlet. An outlet side end portion of the flexible guide member is connected to an end portion of the slider and an inlet side end portion thereof is slidably supported on the outer wall of the duct.
According to an example, a fluid delivery device comprises a printing fluid pump, a return fluid path including a pressure relief valve to receive printing fluid from an outlet of the pump, and a recirculation valve movable between an open position and a closed position. In the open position of the recirculation valve, a recirculation path from the outlet of the pump towards a supply port connectable to a printing fluid supply is established and, in the closed position, a feeding path from the outlet of the pump towards a printhead port is established. The fluid delivery device comprises a pressure-controlled mode in which the recirculation valve is in the closed position and the pump is to operate at a pressure sufficient to open the pressure relief valve.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
A printing method is described in which a first and a second digital representation data for a first and a second digital representation to be printed on a same side of a same media is received. First print data (121) corresponding to a printing fluid for the first digital representation is determined on the basis of the first digital representation data. Second print data (132) corresponding to the printing fluid for the second digital representation is determined on the basis of the second digital representation data. The method further comprises communicating the first print data corresponding to a specific swath (145) to a first set of nozzles, and communicating the second print data corresponding to the specific swath to a second set of nozzles, by the first and the second set of nozzles are disjoint sets of nozzles from a same die and are fluidically connected to the printing fluid.
A logic circuitry package includes an interface to communicate with a controller and a logic circuit. The logic circuit includes a memory arrangement storing a first digital signature, a second digital signature, and a third digital signature signed over the first digital signature and the second digital signature. The logic circuit is configured to receive at least one request from the controller; and transmit the first digital signature, the second digital signature, and the third digital signature to the controller in response to the at least one request.
G06F 21/73 - Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure computing or processing of information by creating or determining hardware identification, e.g. serial numbers
G06F 21/78 - Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer to assure secure storage of data
Examples described herein relate to system and methods consistent with the disclosure. For instance, the imaging system comprises a tray to receive print media, a first sensor to detect a first printing event in the imaging system, a second sensor to detect a second printing event in the imaging system, and a processing resource to determine if the first sensor detected a first printing event, based on the first sensor detecting print media reaching or dropping below a threshold level in the tray, set a logic state based on determining if the first sensor detected the first printing event, maintain the set logic state responsive to the determination that the first sensor detected the first printing event until the second printing event is detected by the second sensor.
B41J 11/00 - Devices or arrangements for supporting or handling copy material in sheet or web form
B65H 7/04 - Controlling article feeding, separating, pile-advancing, or associated apparatus, to take account of incorrect feeding, absence of articles, or presence of faulty articles by feelers or detectors responsive to absence of articles, e.g. exhaustion of pile
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
22.
SELECTING COMBINATION OF PARAMETERS FOR PREPROCESSING FACIAL IMAGES OF WEARER OF HEAD-MOUNTABLE DISPLAY
For each facial image of a wearer of a head-mountable display (HMD), preprocessed facial images corresponding to combinations of preprocessing parameters are generated. A machine learning model is applied to each preprocessed facial image to predict facial action units. The facial action units predicted from each preprocessed facial image are retargeted onto an avatar to render an avatar facial image. Avatar facial landmarks within each avatar facial image and wearer facial landmarks within each facial image are detected. The combination of preprocessing parameters yielding a highest similarity between the avatar facial landmarks and the wearer facial landmarks corresponding to the avatar facial landmarks is selected.
For each avatar, testing images are rendered for different facial expressions that each have ground truth facial action units. An instance of a machine learning model is applied to the testing images to generate predicted facial action units for each testing image. A predictive performance of the instance is calculated for each avatar based on the predicted and ground truth facial action units for the testing images of the avatar. A first set of features common to the avatars for which the predictive performance was better than a first threshold, and a second set of features common to the avatars for which the predictive performance was worse than a second threshold, are identified. The features present only in the second set are identified, as difference features. New avatars having the difference features are generated.
For each avatar, testing images are rendered for different facial expressions that each have ground truth facial action units. An instance of a machine learning model is applied to the testing images to generate predicted facial action units for each testing image. A predictive performance of the instance is calculated for each avatar based on the predicted and ground truth facial action units for the testing images of the avatar. A first set of features common to the avatars for which the predictive performance was better than a first threshold, and a second set of features common to the avatars for which the predictive performance was worse than a second threshold, are identified. The features present only in the second set are identified, as difference features. New avatars having the difference features are generated.
WO
A cleaning device includes a contact member that contacts a rotation surface and a lever device which displaces the contact member. The lever device includes a roller which contacts the rotation surface and a lever which supports the roller to rotate in response to a forward rotation of the rotation surface. The lever is displaced by receiving a force of the rotation surface through the roller and separates the contact member from the rotation surface, in response to a backward rotation of the rotation surface.
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
26.
STRUCTURE FOR ELECTRIC CONTACT PORTION OF TONER CARTRIDGE
A toner cartridge includes a body having a toner outlet therein, a coupler provided on the body, and an electric contact portion for electrical connection with a printing apparatus. Based on a force applied to the electric contact portion by an elastic sealing member between the printing apparatus and the toner outlet being referred to as a first force and a force applied to the electric contact portion by rotation of the coupler being referred to as a second force, a contact surface of the electric contact portion faces between a direction of the first force and a direction of the second force.
Examples include an image forming apparatus, including; a transceiver to receive a first print job from the host device; an image former to generate a printout corresponding to at least one page of a target document of the first print job; a scanner; and a controller. The controller is to: in response to a proof print function activated for the first print job, control the scanner to generate a scan image of the printout and control the transceiver to send the scan image to the host device; and in response to reception of, from the host device, information regarding a change of a print setting for the first print job, control the image former to perform, based on the information, image generation of the first print job.
An example mountable set to be mounted in an image forming apparatus (100) includes a process cartridge (200) having a driven gear (210), the driven gear to couple with a driving gear (120) of the image forming apparatus and to receive a driving force from the driving gear and an attachment (300). The attachment includes a mounting portion (310) to mount to the image forming apparatus and a protruding portion (320), coupled to the mounting portion, to provide an aligning force to the driving gear.
In one example in accordance with the present disclosure, a chemical lysis system is described. The chemical lysis system includes a microfluidic channel to serially feed individual cells from a volume of cells to at least one chemical lysing device. Each chemical lysing device includes at least one lysing chamber to receive, from the microfluidic channel, a single cell to be lysed. The chemical lysing device also includes an orifice disposed in each lysing chamber to receive a lysing agent and a sensor to detect a state within the lysing chamber. A controller of the chemical lysis system analyzes a ruptured cell.
Systems, methods, devices and non-transitory, computer-readable storage mediums are disclosed for a wearable multimedia device and cloud computing platform with an application ecosystem for processing multimedia data captured by the wearable multimedia device. In an embodiment, a wearable multimedia device projects a virtual interface (VI) on a surface using a laser projector. Further, the device determines, based on sensor data from at least one of a camera or a depth sensor, a position of a first finger of the user relative to the surface. Further, the device, presents, using the VI, a first graphical element representing the position of the first finger of the user relative to the surface.
G06F 3/04883 - 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 for inputting data by handwriting, e.g. gesture or text
G06F 3/042 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
G06F 3/0484 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range
According to an example, a conditioning device includes a first light emitting member to emit light towards a first segment of a path and a second light emitting member to emit light towards a second segment of a path. The first segment of the path is upstream an engagement point of the path at which the photoconductive surface is to contact a subsequent transfer member and the second region is downstream the engagement point. The light emitted by the first light emitting member is to set the photoconductive surface at a pre-transfer voltage and the light emitted by the second light emitting member is to set the photoconductive surface at a post-transfer voltage greater than the pre-transfer voltage.
G03G 15/043 - Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for controlling illumination or exposure
G03G 15/00 - Apparatus for electrographic processes using a charge pattern
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
G03G 15/04 - Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
G03G 15/16 - Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern
Embodiments are disclosed for device setup and configuration using an activation card. In some embodiments, a method comprises: sending an activation card to a user, the activation card for setting up or configuring a device for the user using an online service, the activation card including one or more codes; sending the device to the user; receiving activation data from the device, the activation data including or related to the one or more codes; and authenticating the user based on the activation data. In some embodiments, the activation card includes two codes: a smile code that encodes a numeric value in a picture printed on the activation card and an invisible code printed with invisible ink (e.g., IR ink) on the activation card using invisible ink.
In an example method, a wearable computing device obtains obtain sensor data from one or more sensors, and detects a trigger event based on the sensor data. The trigger event includes a user of the wearable computing device moving an open palm of the user's hand towards the user's face. In response to detecting the trigger event, the wearable computing device obtains a spoken input from the user using or more microphones, and performs one or more operations in accordance with the spoken input.
G06F 3/0487 - 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
G06T 3/40 - Scaling of whole images or parts thereof, e.g. expanding or contracting
Systems, methods, devices and non-transitory, computer-readable storage mediums are disclosed for a wearable multimedia device and cloud computing platform with an application ecosystem for processing multimedia data captured by the wearable multimedia device. In an embodiment, a wearable multimedia device determines a plurality of points of interest and, for each of the points of interest, a heading of that point of interest relative to the device, and a distance between that point of interest and the device. The device presents a user interface including a plurality of user interface elements arranged according to one or more curved layers. Each of the user interface elements corresponds to a different one of the points of interest. A position of each of the user interface elements relative to each of the other user interface elements in the user interface is determined based on the first data and the second data.
H04M 1/72409 - User interfaces specially adapted for cordless or mobile telephones with means for local support of applications that increase the functionality by interfacing with external accessories
G06F 1/16 - Constructional details or arrangements
G06F 3/042 - Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means by opto-electronic means
G06F 3/0482 - Interaction with lists of selectable items, e.g. menus
H04M 1/72457 - User interfaces specially adapted for cordless or mobile telephones with means for adapting the functionality of the device according to specific conditions according to geographic location
A logic circuitry package includes an interface to communicate with a controller and a logic circuit. The logic circuit includes a memory arrangement storing indicated data over which a manufacturing digital signature is computed, a certificate for the controller to verify the manufacturing digital signature, and manufacturing attribute data. The manufacturing attribute data includes at least one indication indicating the indicated data and the manufacturing digital signature. The logic circuit is configured to transmit, to the controller, the manufacturing attribute data in response to at least one first request from the controller. The logic circuit is configured to transmit, to the controller, the certificate and the indicated data in response to at least one second request from the controller.
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
In some examples, a method includes detecting, by a processor, bodily contact on a surface based on sensor data. In some examples, the method includes determining, by the processor, a cleanliness state associated with the surface based on the detected bodily contact. In some examples, the method includes generating, by the processor, a visualization of the cleanliness state. In some examples, the method includes outputting the visualization.
G08B 21/24 - Reminder alarms, e.g. anti-loss alarms
G06F 3/04845 - Interaction techniques based on graphical user interfaces [GUI] for the control of specific functions or operations, e.g. selecting or manipulating an object, an image or a displayed text element, setting a parameter value or selecting a range for image manipulation, e.g. dragging, rotation, expansion or change of colour
G06F 3/0488 - 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
In an example system comprising a location engine and a protocol engine, the location engine determines a direction of movement between a first device and a second device and the protocol engine establishes a communication connection when a distance between the first device and the second deice is less than a distance designated for automatic connection.
The disclosed technology is directed to an illuminator for enabling near-light photometric imaging. In some examples, a near-light photometric imaging apparatus can include an illuminator comprising a lamp that comprises a plurality of light sources, an edge-blending film, and a first light-shaping diffuser. The plurality of light sources can have a color temperature having an approximately constant value as a brightness of the plurality of light sources is changed. The edge-blending film may condition light emitted at an outer perimeter of the lamp to soften a light edge, and the first light-shaping diffuser may comprise a first diffusing angle to diffuse light emitted from an interior region of the lamp to reduce a presence of hotspots in a target area.
Examples include a method where position data of a media advancing within a print zone are received at a printer controller and from a media advance sensor. An advance of the media by an upstream media advance mechanism located upstream from the print zone is controlled by the printer controller during a first time period. The advance of the media by a downstream media advance mechanism located downstream from the print zone is controlled by the printer controller during a second time period following the first time period and in function of the received position data, whereby a trailing edge of the media passes between the upstream media advance mechanism and the downstream media advance mechanism during the second time period.
An example device housing comprises a substrate, and a topcoat layer including a topcoat formulation disposed on a surface of the substrate. The topcoat formulation includes a polymer, a pigment including zirconium dioxide nanoparticles present in an amount ranging from about 0.3 weight percent to about 5 weight percent of a total weight of the topcoat formulation, and a balance of water.
B05D 7/00 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
B05D 7/02 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to macromolecular substances, e.g. rubber
B05D 7/14 - Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
In some examples, a rotatable hinge can include a center shaft, a top bracket including a central aperture and an offset aperture, a bottom bracket including a central aperture, a collar including a central aperture, a notch, and a channel, and a latching member interfaced with the offset aperture, the latching member including an extension member having a first flange and a column having a second flange, where when the latching member is in a first position, the second flange of the latching member is located in the notch of the collar and when the latching member is in a second position, the second flange of the latching member is located in the channel of the collar such that the top bracket and the latching member are rotatable about the center shaft.
A fuser includes a fusing member, a pressing member facing the fusing member to form a fusing nip, and a wrap jam detection sensor comprising a light emitting portion to irradiate light to the fusing member and a light receiving portion to receive light diffusely reflected from the fusing member.
Systems, methods, devices and non-transitory, computer-readable storage mediums are disclosed for the tracking of interacting hands using a sensor of a wearable multimedia device. In an embodiment, a method comprises: obtaining, with a sensor of a wearable multimedia device, a first frame of two-dimensional (2D) image data and a second frame of three-dimensional (3D) depth data; determining multiple hand regions in the first frame of 2D image data; determining a location of each hand region in the first frame of 2D image data; detecting at least one landmark in each detected hand region; generating a confidence score for each landmark detected in each detected hand region; determining 3D world coordinates for each landmark that is visible in the first frame of the 2D image data; tracking each landmark in 3D world coordinates; and determining an interaction with the hands based on the tracking of each landmark in 3D world coordinates.
Examples are directed to a microfluidic device that includes a reservoir to contain a fluid including at least a cell and at least a molecular probe, a cell-poration region fluidically coupled to the reservoir and including a cell-poration mechanism, and an optical-detection region fluidically coupled to the cell-poration region and including an optically transparent window associated with a wall of the optical-detection region. The microfluidic device further includes a fluid ejector fluidically coupled to the optical-detection region.
An example image forming apparatus includes a feed unit, an in-line scanner, and a processor. The feed unit is to feed, to the in-line scanner, a print medium on which an image is formed, the in-line scanner is to scan the fed print medium to generate a scan image, and, in response to the scan image fulfilling a condition, the processor is to control the image forming apparatus to perform an action corresponding to the condition.
An example charging member has a conductive support; a conductive elastic body layer on the conductive support; and a surface layer on the conductive elastic body layer, wherein the surface layer includes a binder resin and particles, wherein the surface layer includes a first portion of the binder resin having the particles and a second portion of the binder resin having an absence of the particles, and wherein the second portion has a peak height (Spk)/core roughness depth (Sk) of less than 0.2.
G03G 15/02 - Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitisingCorona discharge devices
Disclosed herein are systems and methods for authenticated-encryption and authenticated-decryption operations for conducting authenticated-encryption communications between a host device and a peripheral device. A sending device performs authenticated-encryption operations that apply a symmetric encryption algorithm on plaintext to encrypt the data and generate an authentication tag or message authentication code (“MAC”). The sending device sends the ciphertext and a shared subset of the tag to the receiving device, and stores a non-shared subset of the tag in cache. The receiving device performs authenticated-decryption operations that verify the tag and decrypt the ciphertext to recover the data by applying the effective inverse of the symmetric encryption algorithm (or decryption algorithm) and using the known parameters.
G06F 21/70 - Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
H04L 9/06 - Arrangements for secret or secure communicationsNetwork security protocols the encryption apparatus using shift registers or memories for blockwise coding, e.g. D.E.S. systems
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
A memory structure stores a plurality of color maps, the entity, when decompressed by a printer controller, comprising a plurality of first level wrappers, each first level wrapper including at least one characteristic to identify a corresponding color map, and a recipe to define and locate packets for constructing the color map, the recipe having at least one locator for each second level wrapper; and a plurality of second level wrappers of different types, each second level wrapper wrapping a corresponding packet.
According to an example, a mixing device comprises a first chamber including a solute addition member and a first mixer, a second chamber including a second mixer, a printing fluid pump, and a controller operatively connected to the solute addition member, the pump, the first mixer, and the second mixer. The controller is to control the pump to move printing fluid towards the printing fluid tank based on a printing fluid density level in the printing fluid tank, to control the solute addition member to add solids based on the printing fluid density level, and to control the first mixer and the second mixer to mix the added solids with the printing fluid moved by the pump.
According to an example, a printhead storage device comprises a printhead pocket to receive a printhead, a receptacle with an interior chamber wherein printing fluid is provided, and a fluid interconnect device comprising a fluid path with the interior chamber. Upon insertion of a printhead to the pocket, the fluid interconnect device is connected to the printhead, thereby providing a fluid connection between the printhead and the interior chamber and wherein the printhead is not operable when inserted in the printhead pocket.
A structure includes a molded structure, an integrated circuit (IC) die molded into the molded structure, the IC die including one of a fluidic channel or a sensor, an interposer structure molded into the molded structure, and a via structure embedded within the interposer structure, the via structure fluidically or electrically connecting a top surface of the interposer structure to a bottom surface of the interposer structure.
A first component of a computing device detects that first component wireless network connectivity has failed. A second component of the computing device, using second component wireless network connectivity, subsequently retrieves and stores updated first component wireless network connectivity information. The first component then restores the first component wireless network connectivity. Either the first component is an operating system and the second component is firmware, or the first component is the firmware and the second component is the operating system.
In some examples, an apparatus includes a hybrid structure display including a display component and an environmental structure. In some examples, the apparatus includes a sensor to detect positional information corresponding to a user. In some examples, the apparatus may include a processor to determine a subset region of the hybrid structure display based on the positional information. In some examples, the processor is to cause the hybrid structure display to display a channel of content in the subset region.
An inkjet fluid set includes a pre-treatment fluid and an inkjet ink. The pre-treatment fluid includes a first aqueous vehicle and a water resistance and adhesion promoting cationic polymer dissolved or dispersed in the first aqueous vehicle. The inkjet ink includes a second aqueous vehicle, a pigment dispersed throughout the second aqueous vehicle, and multi-phase latex particles dispersed throughout the second aqueous vehicle. Each of the multi-phase latex particles includes at least two different heteropolymers defining at least two different phases of the multi-phase latex particle.
In some examples, an antenna module includes a ground plane, where the ground plane couples to a ground foil of an electronic device, an antenna coupled to the ground plane, and a noise canceling circuit disposed within a cutout of the ground plane.
Systems, methods, devices and non-transitory, computer-readable storage mediums are disclosed for a wearable multimedia device and cloud computing platform with an application ecosystem for processing multimedia data captured by the wearable multimedia device. In an embodiment, a wearable multimedia device obtains sensor data from one or more first sensors of the wearable multimedia device, and generates a first content item based on the sensor data. Further, the device obtains biometric data regarding a user of the device. The biometric data is obtained from one or more second sensors of the wearable multimedia device. The device determines a metric for the first content item based on the biometric data, and stores the first content item and the metric. The metric is stored as metadata of the first content item.
In some examples, a hinge assembly can include a hinge bar including a rotation axis, a lock cam including a protrusion, the lock cam located coaxially with the rotation axis of the hinge bar, and a removable hinge cap to cover the hinge bar and the lock cam where the removable hinge cap includes a lock flange, and where the protrusion is located adjacent to the lock flange to prevent translation of the removable hinge cap relative to the hinge bar when the lock cam is in a lock position.
In some examples, an electronic device comprises a first camera to capture an image using a lens, a second camera to detect movement of an eye, and a controller coupled to the first and second cameras. The controller is to provide a signal combining a portion of the image captured by the first camera, and eye movement data indicating the movement of the eye detected by the second camera.
H04N 23/45 - Cameras or camera modules comprising electronic image sensorsControl thereof for generating image signals from two or more image sensors being of different type or operating in different modes, e.g. with a CMOS sensor for moving images in combination with a charge-coupled device [CCD] for still images
62.
HAND-SPECIFIC LASER PROJECTED VIRTUAL INTERFACES AND OPERATIONS
Systems, methods, devices and non-transitory, computer-readable storage mediums are disclosed for a wearable multimedia device and cloud computing platform with an application ecosystem for processing multimedia data captured by the wearable multimedia device. In an embodiment, a wearable multimedia device obtains first configuration data specifying first operations associated with a first hand of a user of the wearable multimedia device, and second configuration data specifying second operations associated with a second hand of the user. Further, the device captures sensor data from a camera and/or a depth sensor of the wearable multimedia device, and determines a presence of the first hand and/or the second hand based on the sensor data. Further, the device performs at least one of (i) the first operations responsive to determining the presence of the first hand, or (ii) the second operations responsive to determining the presence of the second hand.
Examples herein involve sorting a droplet including a biologic sample. In a particular example, sorting a droplet including a biologic sample includes generating a droplet including a biologic sample and a pH sensitive surfactant, and heating a nucleic acid molecule in the biologic sample. The pH sensitive surfactant may change the surface tension of the droplet responsive to amplification of the nucleic acid molecule. The droplet may be sorted into one of a plurality of sorting lanes based on the surface tension of the droplet, where a sorting lane among the plurality of sorting lanes is associated with droplets including the amplified nucleic acid molecule. A determination of whether the droplet includes the amplified nucleic acid molecule may be performed by detecting passage of the droplet in one of the plurality of sorting lanes.
The present disclosure describes a device that includes an enclosure, a cover glass coupled to the enclosure to cover a side portion of the enclosure, a light sensor directed to receive light through the cover glass, and a light altering device positioned between the light sensor and the cover glass to collect light from a position blocked by the enclosure.
G01J 1/42 - Photometry, e.g. photographic exposure meter using electric radiation detectors
G06F 1/16 - Constructional details or arrangements
H04N 23/71 - Circuitry for evaluating the brightness variation
H04N 23/88 - Camera processing pipelinesComponents thereof for processing colour signals for colour balance, e.g. white-balance circuits or colour temperature control
65.
MICROPHONE DEVICES FOR LOCAL USERS PARTICIPATING IN MEETING IN WHICH REMOTE USER IS ALSO PARTICIPATING
From each of a number of microphone devices respectively worn by a number of local users participating in a meeting and physically present at a place of the meeting, a processor wirelessly receives speech uttered by a corresponding local user and detected by the microphone device, and metadata identifying the corresponding local user. The processor determines a group of the local users that a remote user participating in the meeting and not physically present at the place of the meeting is interested in hearing. The processor causes a computing device of the remote user to output just the speech uttered by each local user of the determined group of the local users that the remote user is interested in hearing, using the metadata identifying the corresponding local user of each microphone device.
An electronic device is provided, including a housing with a cavity extending inward from an outer surface of the housing. The electronic device also includes a pivot element disposed within the cavity and a support structure rotatable about the pivot element and disposed within the cavity. When force is applied at a first portion of the support structure, the support structure rotates about the pivot element such that a second portion of the support structure protrudes outward past the outer surface of the housing while the first portion protrudes into the cavity. The cavity is shaped to form a breaking element that engages the support structure to halt rotation of the support structure about the pivot element at a first angular position.
G06F 1/16 - Constructional details or arrangements
F16M 13/02 - Other supports for positioning apparatus or articlesMeans for steadying hand-held apparatus or articles for supporting on, or attaching to, an object, e.g. tree, gate, window-frame, cycle
An example microfluidic mixer can include an inlet microfluidic channel portion and a fluid splitting channel portion including an overpass microfluidic channel to receive fluid from a first side of the inlet microfluidic channel portion and an underpass microfluidic channel to receive fluid from a second side of the inlet microfluidic channel portion, where the underpass microfluidic channel extends under the overpass microfluidic channel such that the channels overlap at their respective downstream ends. A fluid recombining channel portion is downstream of the fluid splitting portion and includes an angled recombining surface having an acute angle with respect to a direction of fluid flow, where the angled recombining surface is between the downstream ends of the overpass and underpass microfluidic channels. An outlet microfluidic channel portion is fluidly connected downstream from the fluid recombining channel portion.
In an example, processing circuitry may receive a request from a user to produce an item represented by data in a N physical form and an indication of a digital right associated with the item. From the content of the digital right, it may be determined if the user has permission to produce the item in physical form. When the user has permission to produce the item, an apparatus may be instructed to produce the item in physical form.
Reprocessing of a replaceable supply component may include receiving from an encoding device and using an interface communicatively coupled to the encoding device, a request blob to reprocess a replaceable supply component. The method may include in response to cryptographically verifying the request blob, extracting from the request blob, a supply identifier and raw supply data. The method further includes using the supply identifier and raw supply data, generating a reprocess structure to append or amend original manufacturing data for the replaceable supply component, and providing a response blob to the encoding device, to designate the replaceable supply component as a reprocessed supply component.
A toner cartridge includes a body having a toner outlet therein, a coupler provided on the body, and an electric contact portion for electrical connection with a printing apparatus. Based on a force applied to the electric contact portion by an elastic sealing member between the printing apparatus and the toner outlet being referred to as a first force and a force applied to the electric contact portion by rotation of the coupler being referred to as a second force, a contact surface of the electric contact portion faces between a direction of the first force and a direction of the second force.
Examples described herein relate to systems and devices consistent with the disclosure. For instance, the computing device comprises a microphone, an antenna to receive signals providing positioning information, and a non-transitory machine-readable medium storing instructions executable by a processing resource to receive positioning information from the antenna, calculate a position of a receiver of the microphone based on the positioning information, and adjust the position of the receiver of the microphone towards a direction determined by the calculated positioning information.
H04R 1/34 - Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by using a single transducer with sound reflecting, diffracting, directing or guiding means
An example image forming apparatus includes a hard disk unit including a head unit, and a controller. The controller is to obtain first time information corresponding to the image forming apparatus and usage time information of the image forming apparatus, obtain second time information corresponding to the head unit and driving information of the head unit, and manage a sleep mode of the hard disk unit based on the first time information, the second time information, the usage time information, and the driving information.
An example one-time-open microfluidic valve can include an inlet microfluidic channel in a first elevation plane and an outlet channel in a second elevation plane. An upstream end of the outlet channel can overlap a downstream end of the inlet microfluidic channel. A capillary nozzle opening can connect the inlet microfluidic channel to the outlet channel at the overlapping ends. The capillary nozzle opening can have an outlet width that is smaller than a width of the outlet channel. A fluid actuator can be positioned to eject a fluid in the inlet microfluidic channel through the capillary nozzle opening into the outlet channel.
A microfluidic die can include a fluid firing chamber and a microfluidic channel positioned to fluidically feed the fluid firing chamber. The fluid firing chamber and the microfluidic channel can be defined by a photoactive substrate having an oxygen-containing surface modified with a hydrophilic epichlorohydrin-amine.
A logic circuitry package includes an interface to communicate with a controller and a logic circuit. The logic circuit includes a memory arrangement storing a first digital signature, a second digital signature, and a third digital signature signed over the first digital signature and the second digital signature. The logic circuit is configured to receive at least one request from the controller; and transmit the first digital signature, the second digital signature, and the third digital signature to the controller in response to the at least one request.
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
A logic circuitry package includes an interface to communicate with a controller and a logic circuit. The logic circuit includes a memory arrangement storing indicated data over which a manufacturing digital signature is computed, a certificate for the controller to verify the manufacturing digital signature, and manufacturing attribute data. The manufacturing attribute data includes at least one indication indicating the indicated data and the manufacturing digital signature. The logic circuit is configured to transmit, to the controller, the manufacturing attribute data in response to at least one first request from the controller. The logic circuit is configured to transmit, to the controller, the certificate and the indicated data in response to at least one second request from the controller.
G06F 21/64 - Protecting data integrity, e.g. using checksums, certificates or signatures
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
An example image forming device includes a printing portion to print an image on a print medium, a protruding portion protruding upward from an upper surface of the printing portion and comprising an accommodation portion, and a keyboard movable between a storage position in which the keyboard is partially stored in the accommodation portion and a withdrawal position in which the keyboard is withdrawn from the accommodation portion. In the storage position, the keyboard is positioned inside an outermost surface of the printing portion.
A logic circuitry package includes an interface to communicate with a host and a logic circuit. The logic circuit includes a memory arrangement storing digital signature metadata to facilitate verification of associated signed data. The digital signature metadata includes a schema identifier field storing a schema version number; a key identifier field storing an identifier of a signing key; a plurality of data block address fields, each storing an address corresponding to a data block of a plurality of data blocks over which a digital signature is originally computed; and a plurality of data block length fields corresponding to the plurality of data blocks, each data block length field storing data indicating a length of the corresponding data block. The logic circuit is configured to receive a read request from the host and transmit the digital signature metadata to the host in response to the read request.
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
An example method for printing on a garment is described, comprising placing the garment on a support tray, depositing a first printing fluid on the garment and a second printing fluid on the first printing fluid, and providing heat from the support tray to the garment after depositing the first printing fluid and before depositing the second printing fluid, to dry the first printing fluid at least partially. An example apparatus for direct-to-garment printing is also described, comprising printheads for depositing a first printing fluid and a second printing fluid, and a support tray for the garment, the support tray comprising a heating element.
D06P 1/00 - General processes of dyeing or printing textiles or general processes of dyeing leather, furs or solid macromolecular substances in any form, classified according to the dyes, pigments or auxiliary substances employed
D06P 5/20 - Physical treatments affecting dyeing, e.g. ultrasonic or electric
A cooling device includes a shaft that rotatably extends adjacent to a fixing device, a blade device including a blade coupled to the shaft, and a housing to accommodate the blade device, the housing including an inlet to draw in air and an outlet disposed to direct the air toward a heating body of the fixing device.
An example electronic device with several wireless communication modules for increase in connectivity quality and throughput of data transmission to receiving devices. The electronic device establishes a first connection with a receiving device utilizing a first wireless communication module and determines to establish a second connection with the receiving device, in parallel with the first wireless communication module, utilizing a second wireless communication module based on determined packet losses. The electronic device may further alternate packet transmission from the first wireless communication module to the second wireless communication module bases on a determination that the first wireless communication module signal quality is below a predefined threshold. The electronic device may further establish a connection with the receiving device utilizing the first wireless communication module or second wireless communication module as a standby connection.
Described herein is a liquid electrophotographic printing process comprising heating a coating composition comprising a thermoplastic polymer and a liquid carrier to dissolve the thermoplastic polymer in the liquid carrier and form a heated coating solution; and applying the heated coating solution to a liquid electrophotographically printed layer disposed on a substrate. The thermoplastic polymer may be selected from a copolymer of ethylene and an alk-1-ene and a copolymer of ethylene and 50 wt. % or less vinyl acetate; and the liquid carrier may comprise a hydrocarbon, a silicone oil or a vegetable oil. Also described herein are a liquid electrophotographic printing kit comprising a liquid electrophotographic ink composition and a coating composition, as well as a liquid electrophotographic printer.
In some examples. an electronic device includes sets of light-emitting diodes (LEDs) arranged into zones, multiple driver circuitries, a driver circuit of the multiple driver circuitries coupled to a set of LEDs of the sets of LEDs, and a comparison circuit coupled to the multiple driver circuitries. The comparison circuit compares a first luminance value of a first set of LEDs of a first zone and a second luminance value of a second set of LEDs of a second zone, and, in response to the comparison indicating that the first luminance value is greater than the second luminance value by a threshold difference, cause a first driver circuit to provide the first set of LEDs a first non-zero power level and a second driver circuit to provide the second set of LEDs a second power level, the second power level a non-zero multiplier of the first non-zero power level.
G09G 3/34 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix by control of light from an independent source
A primer roller may include a cylinder having an outer support surface. The outer support surface support surface may have a length in an axial direction and a fixed outer diameter extending along the length. The roller may further comprise, at least at least one elastically deformable annular sleeve having an axial length less than the axial length of the support surface of the cylinder an external diameter greater than the outer diameter of the support surface of the cylinder, and an internal diameter which provides a friction fit on the support surface of the cylinder. The outer surface of the support roller comprises a plurality of fluid outlets. The outlets are distributed about the support surface. Fluid expelled from the fluid outlets enables the sleeve to be slidably positioned relative to the support surface. A priming apparatus and a print press are also disclosed.
In a source image to be printed, a boundary condition between a first region including a first colorant and a second region including a second colorant may be identified based on a difference of respective weighted colorant contributions of the first colorant and the second colorant. In response to identifying the boundary condition, additional treatment fluid may be applied.
A die for a printhead is provided in examples. The die includes a number of fluidic actuator arrays. A data block is associated with each of the plurality of fluidic actuator arrays. The die includes an interface comprising a data pad and a clock pad, wherein a data bit value present at the data pad is loaded into a first data block corresponding to a first fluidic actuator array on a rising clock edge and loaded into a second data block corresponding to a second fluidic actuator array on a falling clock edge.
B41J 2/045 - Ink jet characterised by the jet generation process generating single droplets or particles on demand by pressure, e.g. electromechanical transducers
A device includes a display panel and a processor. The processor is to receive information corresponding to an image displayed on the display panel and determine whether a relevant portion of the image is centered with respect to an area of interest of the display panel. The processor is further to responsive to a determination that the relevant portion of the image is not centered with respect to the area of interest of the display panel, perform an operation to cause the relevant portion of the image to be adjusted such that the relevant portion of the image is centered with respect to the area of interest of the display panel.
An example method is described in which a property is measured associated with a vertical displacement of a supporting frame of a printing system, the printing system having a floating frame mounted on the supporting frame, and the floating frame comprising a position sensor of the printing system and a nozzle to eject a drop of print agent; an orientation of the floating frame is adjusted with respect to the supporting frame based on the measured property.
In some examples, the disclosure describes a device that includes a communication device, and a processor to: identify a plurality of devices within an area, collect video data and audio data from the plurality of devices within the area utilizing the communication device, generate an area profile for the area utilizing the video data and audio data from the plurality of devices, and provide the area profile to a communication application utilizing the communication device.
A virtual control panel (VCP) protocol is established on top of the VESA standard DDC/CI protocol. The VCP protocol can establish direct communications between a dock management controller (DMC) of a docking station and a display device connected to the docketing station via a serial protocol (e.g., I2C). With the VCP protocol, the DMC can manage the display device with or without a host computer, such as, to wake up the display, to put it to sleep, to change brightness, to set video input port, etc.
Systems, methods, devices and non-transitory, computer-readable storage mediums are disclosed for a wearable multimedia device and cloud computing platform with an application ecosystem for processing multimedia data captured by the wearable multimedia device. In an embodiment, a wearable multimedia device determines a plurality of points of interest and, for each of the points of interest, a heading of that point of interest relative to the device, and a distance between that point of interest and the device. The device presents a user interface including a plurality of user interface elements arranged according to one or more curved layers. Each of the user interface elements corresponds to a different one of the points of interest. A position of each of the user interface elements relative to each of the other user interface elements in the user interface is determined based on the first data and the second data.
A public key service determines a seed value used by a sending device to generate a one-time signature (OTS) private key that the sending device uses to digitally sign a message before sending the message to a receiving device. The public key service generates, based on the seed value, a public key used to authenticate the digitally signed message as having been sent by the sending device. The public key service receives a request for the public key from the receiving device, and in response sends the public key to the receiving device, such that the receiving device is able to authenticate the message.
H04L 9/32 - Arrangements for secret or secure communicationsNetwork security protocols including means for verifying the identity or authority of a user of the system
In example implementations, an apparatus is provided. The apparatus includes a channel, an energy source, and a transfection chamber. The channel includes an indentation to hold a cell. The energy source is to apply a shockwave to the cell in the channel to porate the cell. The transfection chamber is to store a reagent to be inserted into the cell after the cell is porated.
Examples of electronic devices are described herein. In some examples, an electronic device includes a communication interface. In some examples, the electronic device includes a Basic Input/Output System (BIOS). In some examples, the electronic device includes a processor to, in response to receiving a command to modify a setting of the BIOS, perform a first authentication. In some examples, the processor is to instruct the communication interface to send an authentication message to an external device in response to a first success of the first authentication. In some examples, the processor is to perform a second authentication based on a response message from the external device. In some examples, the processor is to, in response to a second success of the second authentication, modify the setting of the BIOS.
G06F 21/57 - Certifying or maintaining trusted computer platforms, e.g. secure boots or power-downs, version controls, system software checks, secure updates or assessing vulnerabilities
G06F 21/35 - User authentication involving the use of external additional devices, e.g. dongles or smart cards communicating wirelessly
In one example in accordance with the present disclosure, a system is described. The system includes a fluidic die to advance across an ejection path relative to a substrate. The fluidic die includes a channel to contain a portion of a sample fluid, a sensor to detect passage of a particle within the sample fluid into the channel, and an ejection device. The ejection device is to eject the particle. The system also includes a controller. The controller identifies discrete locations along the ejection path as waste sites as the fluidic die advances along the ejection path. This is done by 1) classifying the particle as a target particle or a non-target particle, 2) upon identification of a target particle, ejecting the target particle to a target site of the substrate, and 3) upon identification of a non-target particle, ejecting the non-target particle to a waste site.
According to examples, an apparatus may include a processor and a memory on which are stored computer-readable instructions that, when executed by the processor, may cause the processor to access a master image to be printed and receive a scanned image corresponding to the master image. The processor may identify a defect in a scanned image region of interest (ROI) based on the master image. A type of the scanned image ROI may include a raster ROI, a symbol ROI, a background ROI, and/or a color vector ROI, and the identified defect may be associated with the type of the scanned image ROI. The processor may determine a severity of the identified defect of the scanned image and may output the determined severity.
A method includes, during a teleconference between a first audio input/output device and a second audio input/output device, receiving, at an analysis and response device, a signal indicating a spoken command, the spoken command associated with a command mode. The method further includes, in response to receiving the signal, generating, at the device, a reply message based on the spoken command, the reply message to be output to one or more devices selected based on the command mode. The one or more devices includes the first audio input/output device, the second audio input/output device, or a combination thereof.
A portable battery pack is disclosed for wirelessly powering a portable electronic device through a user's clothing. The portable battery pack includes a housing with a mating surface that includes one or more permanent magnets to facilitate mating with a portable electronic device, such as a body-worn camera.
H02J 7/00 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
H02J 7/02 - Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from AC mains by converters
H03F 3/217 - Class D power amplifiersSwitching amplifiers