The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
F16P 3/10 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts in which the operation of locking the door or other member causes the machine to start
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
G08B 3/14 - Audible signalling systemsAudible personal calling systems using explosives
G08B 21/02 - Alarms for ensuring the safety of persons
09 - Scientific and electric apparatus and instruments
Goods & Services
Equipment, namely, wireless communication equipment in the form of transmitters, receivers, processors, controllers and housings for underground wireless communication in mines or tunnels
4.
Proximity detection system and method and collision avoidance system and method using proximity detection
The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
G08B 21/02 - Alarms for ensuring the safety of persons
5.
Proximity detection system and method and collision avoidance system and method using proximity detection
The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
G08B 21/02 - Alarms for ensuring the safety of persons
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
6.
Proximity detection system and method and collision avoidance system and method using proximity detection
The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
G08B 21/02 - Alarms for ensuring the safety of persons
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
7.
Proximity detection system and method and collision avoidance system and method using proximity detection
The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
G08B 21/02 - Alarms for ensuring the safety of persons
B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
8.
Proximity detection system and method and collision avoidance system and method using proximity detection
The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
G08B 21/02 - Alarms for ensuring the safety of persons
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
9.
Proximity detection system and method and collision avoidance system and method using proximity detection
The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response.
G08B 21/02 - Alarms for ensuring the safety of persons
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
B60Q 9/00 - Arrangement or adaptation of signal devices not provided for in one of main groups
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
Collision avoidance systems and methods. In some embodiments the collision avoidance systems may include a magnetic field generator for generating a low frequency oscillating magnetic field, and a magnetic field detector, wherein the system is configured to determine a relative speed between the magnetic field generator and the detector using magnetic speed pings generated by the magnetic field generator. In other embodiments, the methods may include generating a low frequency oscillating magnetic field from a magnetic field generator, detecting the magnetic field from a magnetic field detector, and determining a relative speed between the magnetic field generator and the detector using magnetic speed pings generated by the magnetic field generator.
This disclosure provides a method and system for extending the capability of a proximity detection system that is based on use of low frequency magnetic fields, to avoid conflicts in crowded work sites. The improvement is attained by combining the advantages of these low frequency magnetic fields with the advantages of much higher frequency, radiated (RF) signals that are controlled to be produced at the same time, concurrent with each other, in a coordinated and/or synchronous manner.
G01R 7/14 - Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming product moving-iron type
G01R 33/02 - Measuring direction or magnitude of magnetic fields or magnetic flux
G08B 21/02 - Alarms for ensuring the safety of persons
The invention relates to a complex proximity safety and warning system. The invention provides a safety system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response. In the safety system, the generator generates the magnetic field for a first predefined time period, and thereafter senses for a radio frequency response signal from the radio frequency device within a second predefined time period. The invention also provides for shaping safety zones by overlaying magnetic field boundaries to produce a different boundary. The invention also provides for varying the strength of magnetic fields by adjusting a width of a timed pulse.
G08B 3/10 - Audible signalling systemsAudible personal calling systems using electric transmissionAudible signalling systemsAudible personal calling systems using electromagnetic transmission
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
G08B 21/02 - Alarms for ensuring the safety of persons
An apparatus for protecting a miner from injury by a machine in a mine includes an explosion-proof housing. The apparatus includes a proximity sensing portion disposed in the explosion-proof housing having a magnetic field source which produces a magnetic field that is used to sense a location of the miner relative to the machine. The apparatus includes a wireless communication portion disposed in the explosion-proof housing through which the magnetic field produced by the magnetic field source is changed remotely and wirelessly from outside the explosion-proof housing. A method for protecting a miner from injury by a machine. A system for protecting a miner from injury by a machine in a mine.
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
A telecommunications system for a mine with tunnels having a plurality of nodes disposed in the tunnels in the mine which provides communication through WiFi with devices in the mine. Each node having a housing defining an enclosure, a first radio with a first antenna disposed at least partially in the enclosure within the housing directed for communication in a first direction relative to the node, a second radio with a second antenna disposed at least partially in the enclosure within the housing directed for communication in a second direction essentially opposite the first direction, and a power supply in electrical communication with the first and second radios to power the first and second radios. A method of a telecommunications system for a mine. A method of a Wifi node for a mine. A Wifi node for a mine. An apparatus for holding an object in a mine.
A communication system for allowing personnel in a tunnel below ground to communicate with a location above ground includes a controller disposed below ground in the tunnel. The system includes an uplink portion that sends uplink messages from the controller below ground in the tunnel through earth to above ground. The system includes a downlink portion through which downlink messages are sent from above ground through earth to the controller below ground in the tunnel. The system includes a personnel communication portion through which downlink messages are sent from the controller wirelessly to the personnel as personnel messages and personnel messages are received wirelessly by the controller from the personnel below ground in the tunnel. A controller for allowing personnel in a tunnel below ground to communicate with a location above ground. A method for allowing personnel in a tunnel below ground to communicate with a location above ground.
Embodiments described herein relate to a methods and apparatus for optimizing and calibrating a magnetic field generator. In various embodiments, the magnetic field generator includes a signal generator for outputting a voltage and a magnetic field generating circuit including a shunt that may be used to change a value of inductance in the magnetic field generating circuit.
G08B 21/02 - Alarms for ensuring the safety of persons
G08B 29/20 - Calibration, including self-calibrating arrangements
H01F 21/06 - Variable inductances or transformers of the signal type continuously variable, e.g. variometers by movement of core or part of core relative to the windings as a whole
H01Q 7/06 - Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
H03K 17/95 - Proximity switches using a magnetic detector
H01F 7/20 - ElectromagnetsActuators including electromagnets without armatures
An integrated alarm device for a proximity detection system that is based on use of low frequency magnetic fields, to avoid conflicts in crowded work sites. A proximity detection system includes a magnetic field generator, and a personal alarm device. The personal alarm device includes an antenna configured to detect a magnetic field, a controller electrically coupled to the antenna, and a warning device electrically coupled to the controller. The warning device includes a sounder device and a shield, and the shield is adapted to attenuate EMI emitted from the sounder from reaching the antenna and/or from inducing current in electrical components in the personal alarm device.
Various proximity detection zones for work sites that require personnel to be in close proximity to various hazardous elements, such as machines, mobile equipment, remotely controlled machines, and operated vehicles can be shaped to fit specific equipment or work area configurations and may include one or more silent zones within the proximity warning zone in which an alarm is not sounded. The zones are determined by overlapping magnetic fields that expand and collapse at a selected operating frequency. Devices sense and measure the strength of the magnetic fields in which they are located and use the information to determine if they are in a silent or warning zone. Thus, it is possible to produce silent zones having desired shapes.
An apparatus for affecting air includes a housing. The apparatus includes a treatment layer disposed in the housing for treating air. The apparatus includes a fan. The apparatus includes a gas powered motor mechanically engaged with the fan to operate the fan which forces the air through the treatment layer. The apparatus includes a compressed gas tank in fluid connection with the gas powered motor to provide gas to the motor to power the motor. A method for affecting air.
B01D 53/14 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by absorption
B01D 53/04 - Separation of gases or vapoursRecovering vapours of volatile solvents from gasesChemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases or aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
A yield support prop for a mine includes a first metal tube extending from the mine floor having a first portion having a first outside diameter and a second portion having a second outside diameter. The prop includes a second metal tube that is disposed about the first portion and extends toward the mine roof, when the second tube receives a load from the mine roof, the second portion deforms the second tube and expands the second tube creating resistance against the load from the mine roof. A method for supporting a mine roof. A method for building a yieldable mine prop.
A shelter to protect users from an external environment has an inner front module having an airlock and an outer front module which is slidingly attached to the inner front module. The shelter has an inner rear module and an outer rear module slidingly attached to the inner rear module. When the outer front module and the inner front module are in an extended state and the outer rear module and the inner rear module are in an extended state and the outer front module and outer rear module are attached, they form an airtight chamber in which users are protected from the external environment. A method for constructing a shelter to protect users from an external environment is also disclosed.
E04H 9/16 - Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against adverse conditions, e.g. extreme climate, pests
E04B 1/343 - Structures characterised by movable, separable, or collapsible parts, e.g. for transport
E04H 9/14 - Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate against other dangerous influences, e.g. tornadoes, floods
E04H 1/00 - Buildings or groups of buildings for dwelling or office purposesGeneral layout, e.g. modular co-ordination or staggered storeys
A refuge chamber for miners in a mine includes a skid. The chamber includes a tent that is disposed in the skid in an undeployed state which is expandable to a deployed state and extends from the skid to provide a protected atmosphere for the miners. A method for providing a refuge chamber for miners in a mine including the steps of opening a skid made of metal. There is the step of expanding a tent that is disposed in the skid in an undeployed state to a deployed state that extends from the skid to provide a protected atmosphere for the miners.
This disclosure provides a method and system for extending the capability of a proximity detection system that is based on use of low frequency magnetic fields, to avoid conflicts in crowded work sites. The improvement is attained by combining the advantages of these low frequency magnetic fields with the advantages of much higher frequency, radiated (RF) signals that are controlled to be produced at the same time, concurrent with each other, in a coordinated and/or synchronous manner.
G01S 13/74 - Systems using reradiation of radio waves, e.g. secondary radar systemsAnalogous systems
G01V 3/08 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices
25.
PROXIMITY DETECTION SYSTEM WITH CONCURRENT RF AND MAGNETIC FIELDS
This disclosure provides a method and system for extending the capability of a proximity detection system that is based on use of low frequency magnetic fields, to avoid conflicts in crowded work sites. The improvement is attained by combining the advantages of these low frequency magnetic fields with the advantages of much higher frequency, radiated (RF) signals that are controlled to be produced at the same time, concurrent with each other, in a coordinated and/or synchronous manner.
This disclosure provides a method and system for extending the capability of a proximity detection system that is based on use of low frequency magnetic fields, to avoid conflicts in crowded work sites. The improvement is attained by combining the advantages of these low frequency magnetic fields with the advantages of much higher frequency, radiated (RF) signals that are controlled to be produced at the same time, concurrent with each other, in a coordinated and/or synchronous manner.
G01R 7/14 - Instruments capable of converting two or more currents or voltages into a single mechanical displacement for forming product moving-iron type
G01R 33/02 - Measuring direction or magnitude of magnetic fields or magnetic flux
G08B 21/02 - Alarms for ensuring the safety of persons
The invention relates to a proximity detection system. The invention provides a proximity detection system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response. In the proximity detection system, the generator generates the magnetic field for a first predefined time period, and thereafter senses for a radio frequency response signal from the radio frequency device within a second predefined time period. The invention also provides for shaping proximity detection zones by overlaying magnetic field boundaries to produce a different boundary. The invention also provides for varying the strength of magnetic fields by adjusting a width of a timed pulse.
G08B 1/08 - Systems for signalling characterised solely by the form of transmission of the signal using electric transmission
G08B 13/24 - Electrical actuation by interference with electromagnetic field distribution
G08B 21/02 - Alarms for ensuring the safety of persons
F16P 3/14 - Safety devices acting in conjunction with the control or operation of a machineControl arrangements requiring the simultaneous use of two or more parts of the body with means, e.g. feelers, which in case of the presence of a body part of a person in or near the danger zone influence the control or operation of the machine the means being photocells or other devices sensitive without mechanical contact
28.
Proximity detection systems and method for internal traffic control
Embodiments described herein relate to proximity detection systems and a method for internal traffic control in a work zone. In various embodiments, magnetic field generators generate respective oscillating magnetic fields for detection by magnetic field detectors. The magnetic field detectors generate a signal for providing a visual and/or audible warning to operators in response to detecting the magnetic field.
A system and method is contemplated for providing a proximity warnings for vehicles and mobile equipment at a work site. The system generates a plurality of magnetic fields defining at least one warning zone in which a warning is to be issued and at least one silent zone in which a warning is not to be issued. The system also incorporates a detector device for measuring the strength of the plurality of magnetic fields, an alarm device that issues a warning based on the location of the detector advice and a bypass system for turning off a plurality of generators so that no magnetic fields are generated when a control system indicates that the equipment is in a particular mode of operation. The method utilizes the components of the system to provide a proximity warning.
G01V 3/10 - Electric or magnetic prospecting or detectingMeasuring magnetic field characteristics of the earth, e.g. declination or deviation operating with magnetic or electric fields produced or modified by objects or geological structures or by detecting devices using induction coils
Various proximity detection zones for work sites that require personnel to be in close proximity to various hazardous elements, such as machines, mobile equipment, remotely controlled machines, and operated vehicles can be shaped to fit specific equipment or work area configurations and may include one or more silent zones within the proximity warning zone in which an alarm is not sounded. The zones are determined by overlapping magnetic fields that expand and collapse at a selected operating frequency. Devices sense and measure the strength of the magnetic fields in which they are located and use the information to determine if they are in a silent or warning zone. Thus, it is possible to produce silent zones having desired shapes.
Various proximity detection zones for work sites that require personnel to be in close proximity to various hazardous elements, such as machines, mobile equipment, remotely controlled machines, and operated vehicles can be shaped to fit specific equipment or work area configurations and may include one or more silent zones within the proximity warning zone in which an alarm is not sounded. The zones are determined by overlapping magnetic fields that expand and collapse at a selected operating frequency. Devices sense and measure the strength of the magnetic fields in which they are located and use the information to determine if they are in a silent or warning zone. Thus, it is possible to produce silent zones having desired shapes.
Embodiments described herein relate to an apparatus for attaching elements of a magnetic field safety system to headwear worn by a worker. In various embodiments, the headwear includes a combination of a sounder device, light assembly, personal alarm device and power source.
Embodiments described herein relate to a methods and apparatus for optimizing and calibrating a magnetic field generator. In various embodiments, the magnetic field generator includes a signal generator for outputting a voltage and a magnetic field generating circuit including a shunt that may be used to change a value of inductance in the magnetic field generating circuit.
The invention relates to a proximity detection system. The invention provides a proximity detection system comprising a generator that generates a magnetic field that establishes a boundary, where the generator is capable of receiving radio frequency signals. Also provided is a radio frequency device that sends radio frequency signals, the radio frequency device being capable of sensing the magnetic field and generating a radio frequency response. In the proximity detection system, the generator generates the magnetic field for a first predefined time period, and thereafter senses for a radio frequency response signal from the radio frequency device within a second predefined time period. The invention also provides for shaping proximity detection zones by overlaying magnetic field boundaries to produce a different boundary. The invention also provides for varying the strength of magnetic fields by adjusting a width of a timed pulse.
A flexible, inflatable shelter is held within a storage container. The shelter can be erected rapidly, by directing compressed gas held or produced within the container, into the flexible material which will define the finished shelter. Personnel using the shelter then enter through an air lock door located in the storage container. An air lock may be alternatively provided such that is located at least partly within the deployed shelter, and so that it does not occupy substantial space in the container. The container includes supplies necessary to sustain life for an extended period. The shelter can be used to protect personnel from harmful environments caused by accidents or explosions in mines, tunnels, industrial plants, and the like. The container is compact, but allows rapid deployment of the flexible material to produce a shelter which is of approximately the same volume, or greater, than that of the storage container.
E04B 1/34 - Extraordinary structures, e.g. with suspended or cantilever parts supported by masts or tower-like structures enclosing elevators or stairsFeatures relating to the elastic stability
A reinforced mine ventilation seal anchored with steel dowels into the strata of a mine passageway. The seal has a pair of metal mats formed of vertical and horizontal elongated reinforcing members which are sandwiched between a row of dowels set into the floor and ceiling of the passageway and extending into the passageway. The metal mats and the dowels are encased in a structural material such as concrete to form a seal which is capable of bidirectionally withstanding an overpressure due to an explosion. The dowels provide shear reinforcement and the metal mats provide flexural strength.
09 - Scientific and electric apparatus and instruments
Goods & Services
Safety system primarily composed of computer software, magnetic alarm, magnetic tracking tags and an electromagnetic generator for use with trucks, graders, rollers, forklifts and other motor vehicles
A safety system for mining equipment is provided having a proximity-based system with a marker field generator in an explosion-proof housing. The generator has a resonant circuit with an inductive reactance that is provided by a ferrite rod wound with an electrical conductor. Also provided is an RF receiver to receive information about the strength of the generated marker field from a sensing device used by a worker. The system provides for a personal alert device, carried by personnel to be kept at a safe distance from the mining machine, the personal alert device being capable of detecting the marker field. Also disclosed is a geosteering system that stops the cutting of a continuous miner when the cutter reaches an interface between a mineral being mined and an adjacent formation that is not to be mined.
