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Class 340/448 - Inductive


Subclass of Class 340 - Communications: electrical
Definition: Subject matter wherein a coil or permanent magnet is mounted
No. of patents: 173
Last issue date: 09/15/2009


1          
NumberTitleIssue Date
7589620Axle end equipment for a vehicle, in particular an aircraft
The invention relates to axle end equipment for a vehicle, in particular an aircraft, the equipment comprising a stationary portion for securing to the axle and a rotary portion for securing to the wheel carried by the axle. According to the invention, the rotary po...
09/15/2009
7432801System and method for detecting a rapid leak from a tire
A method of detecting a rapid leak of gas contained in an automobile tire based on periodic measurements of a pressure Pa and a temperature Ta of the gas. The method includes determining a reference pressure Pcref, calculating an alarm threshold pressure Sref from t...
10/07/2008
7397353Wireless tire pressure and/or wheel speed sensing system for aircraft
A wireless tire pressure sensing system for an aircraft comprises: dual resonant circuits mounted to a wheel of the aircraft, each resonant circuit comprising: a variable capacitance sensor and a wire loop of a predetermined inductance coupled thereto, one capacitan...
07/08/2008
7392119Method and device for locating the position, on the right or on the left, of a wheel of a vehicle
A method and device for locating the position, on the right or on the left, of a vehicle wheel. The wheel is equipped with two magnetic sensors having axes of maximum sensitivity lying in a plane that is secant to the axis of rotation of the wheel and which are offs...
06/24/2008
7388478Apparatus for detecting tire inflation pressure
A sensor detects values of inflation pressure of a tire of a vehicle one after another. A controller calculates, from the values of the tire inflation pressure, a deflation rate at which the tire is deflating per unit time. When the deflation rate is higher than a f...
06/17/2008
7363806Tire parameter monitoring system with inductive power source
A battery-less tire parameter sensor system for monitoring a vehicle tire parameter such as pressure and temperature. A sensor assembly has a power system, a processor/transmitter, a sensor, and a power coil mounted on a substrate. This assembly is mounted on or in ...
04/29/2008
7362218Motion detection using a shock sensor in a remote tire pressure monitoring system
A tire monitor for mounting to a vehicle as part of a remote tire monitoring system includes a tire condition sensor to produce a tire condition signal, a controller coupled to the tire condition sensor to control operation of the tire monitor, and a radio circuit c...
04/22/2008
7331240Apparatus and method for connecting vehicle wheel sensors to a controller
The present invention relates to a vehicle wheel sensor apparatus and a method that determine if a vehicle wheel sensor is active or passive, while efficiently providing the necessary connectivity, power, and communication between the sensor and a controller, withou...
02/19/2008
7333022Safety monitoring mechanism of a wafer fabrication platform
A safety monitoring mechanism of a wafer fabrication platform is disclosed. The mechanism comprises a vibration sensor mounted at the loading apparatus of the wafer fabrication platform for detecting vibration generated during the operation of the loading apparatus;...
02/19/2008
7325448Pneumatic-tire-use electronic-device fixing system, and electronic-device housing apparatus
A pneumatic-tire-use electronic-device fixing system according to the present invention includes: an electronic-device housing apparatus 30, which houses the electronic device, and which includes an engaging convex portion 32 that is convex; and an ele...
02/05/2008
7327244Valve device with pressure alarm for tire
A valve device includes a metal tube fixed to a tire rim of a vehicle. A valve is mounted in an end of an air passageway of the metal tube. A transmitter includes two switches respectively connected to two contact members fixed on the metal tube. A Bourdon tube incl...
02/05/2008
7320247Tire pressure detection side receiving circuit and tire monitor system provided therewith
A tire pressure detection side receiving circuit includes an antenna resonance circuit having an antenna, a capacitor and a coil, a capacitance changing circuit for changing a capacitance of the capacitor, an oscillation circuit capable of imparting a test wave to t...
01/22/2008
7319380Device for the monitoring and wireless signaling of a pressure or a change of pressure in pneumatic tires
A system for the monitoring and wireless signaling of a pressure or a change of pressure in pneumatic tires on vehicles, comprising wheel electronics that are disposed inside the pneumatic tire and are provided with a battery as a power source, with a pressur...
01/15/2008
7316159Tire information detecting device
A tire information detecting device includes detecting means for detecting a state quantity in a tire, transmitting means for transmitting a signal outputted from the detecting means, receiving means for receiving the signal transmitted from the transmitting means, ...
01/08/2008
7312698Magnetic transmitter and receiver for a tire pressure monitoring system
A vehicle tire pressure monitoring system and method is provided, the system including a tire pressure transducer affixed to either the tire or wheel of a vehicle. An electromagnet system is in electrical communication with the tire pressure transducer, the electrom...
12/25/2007
7289022Communication system and method for communicating between a tire/wheel assembly and a vehicle body
A communication system for communicating between a tire/wheel assembly and a body of a vehicle of a construction in which the tire/wheel assembly is supported by the vehicle body, has a i) wheel-side communication device that is mounted to the tire/wheel assembly an...
10/30/2007
7268678Device for localizing a wheel electronics unit in a motor vehicle
A receiving antenna with a rigid directional pattern, that is to say with an anisotropic receiving sensitivity of the receiving antenna, is used for localizing a wheel electronics unit in a wheel of the motor vehicle. Suitable evaluation of the received electromagne...
09/11/2007
7259663Wheel state adjustment system and method thereof
A pressure detection sensor for detecting a tire internal air pressure and a wheel side communication device for transmitting a detection result of the pressure detection sensor using a preset transmission mode are provided on each wheel. The detection result from t...
08/21/2007
7256505Shaft mounted energy harvesting for wireless sensor operation and data transmission
A device for monitoring a rotating shaft is provided. The device measures strain in the shaft and provides angular velocity and torque in the shaft. The device includes a sensor, sensor conditioning circuitry, a microprocessor, and a transmitter, all located on a ro...
08/14/2007
7251993Tire information communication system
A tire information communication system mounted on a vehicle includes a tire-pressure detector mounted on a tire wheel for detecting a pressure of a tire and transmitting a result of detection, a tire monitor mounted on a vehicle body for obtaining information about...
08/07/2007
7248953Wheel-state obtaining apparatus, and vehicle-state obtaining apparatus
A wheel-state obtaining apparatus for a vehicle, including wheel-side devices (10–16) each having an air pressure sensor (32) for detecting an air pressure of a wheel tire of the vehicle, and a body-side device (18) having receiver antennas (
07/24/2007
7245208Tire condition detecting system and method
A tire condition detecting system has transmitters and a receiver. The transmitter is installed in a plurality of wheels and the receiver is installed in a chassis of a vehicle. The receiver has a controller which determines transmission timings in which a transmitt...
07/17/2007
7239287Wireless communication device having conductive elements antenna
An antenna coupled to a wireless communication device that is comprised of a series of conductive elements that form a conductor when placed under a force. The conductor is coupled to a wireless communication device to provide an antenna so that the wireless communi...
07/03/2007
7239232Temperature sensing device for rotatably moving parts and temperature detection method therefor
A magnetic temperature sensing device for rotatably moving parts, of the type including at least a magnetic field source element associated to the rotatably moving part and a magnetic field sensing element associated with a fixed part to measure parameters of a magn...
07/03/2007
7205885Tire sensor communication system
A wheel sensor communication system (10) includes a primary coil (30) and a secondary coil (32), which operate as an electromagnetic transformer which is uncoupled mechanically but coupled electrically through a vehicle wheel assembly rotational...
04/17/2007
7202777Tire condition monitoring system
A tire condition monitoring system is composed of a detector installed in each tire, a transmitter positioned in the vicinity of each tire, and a monitor communicating with the transmitters and the detectors. An initiation signal for initiating operation of the dete...
04/10/2007
7202778Wireless tire pressure sensing system
A wireless tire pressure sensing system for an aircraft comprises: dual resonant circuits mounted to a wheel of the aircraft, each resonant circuit comprising: a variable capacitance sensor and a wire loop of a predetermined inductance coupled thereto, one capacitan...
04/10/2007
7188638Damage resistant valve assembly
A tire air pressure valve assembly is described that has an air sealing surface disposed toward or inside the metal wheel of a vehicle, and a protective housing surrounding a portion of the valve. The valve has an external stem with a built in break away feature whi...
03/13/2007
7190319Wave antenna wireless communication device and method
A wireless communication device coupled to a wave antenna that provides greater increased durability and impedance matching. The wave antenna may be in the form of a polygonal, elliptical curve and/or coil shape. The wireless communication device is coupled to the w...
03/13/2007
7180410Annular wire antenna and transponder apparatus method of assembly
An antenna conductor is electrically coupled to a transponder and antenna conductor ends are spliced. The antenna conductor and the transponder are formed into a ring assembly and at least partially embedded within an adhesive material. The annular assembly affixes ...
02/20/2007
7168306Tire air pressure detection system
A tire air pressure detection system having a transmitter provided at each of a plurality of wheels provided with tires and sending out a detection signal corresponding to the air pressure of the tire attached to the corresponding wheel and a receiver provided at th...
01/30/2007
7161476Electronic tire management system
An electronic tire maintenance system is provided for measuring a parameter of a device at a first location. The system includes a sensor for measuring the device parameter and generating a data signal representing the measured parameter. The system also includes a ...
01/09/2007
7145446Transponder for tire condition monitoring apparatus
A transponder for a tire condition monitoring apparatus is provided. The transponder detects a condition of a tire and wirelessly transmits data representing the detected condition in response to radio waves having a field intensity equal to or greater than a predet...
12/05/2006
7132939Integrated self-powered tire revolution counter
A self-powered tire revolution counter includes a motion sensitive power generation mechanism, a power conditioner, a pulse detector, a microcontroller, and, optionally, a radio frequency (RF) transmitting device. In one exemplary embodiment, the power generation me...
11/07/2006
7132930Monitoring device and tire combination
The invention provides a monitoring device and tire combination wherein an antenna is mounted to the tire in a location spaced from the monitoring device. In one embodiment, the antenna may be mounted to the tire sidewall outside the body cords of the tire. The ante...
11/07/2006
7119670Tire pressure monitoring system
In the system for monitoring tire pressure in a tire of a vehicle, temporally successive tire pressure measured values are sensed by a transmitting unit, and at least part of the tire pressure measured values is transmitted to a receiving unit with a variable freque...
10/10/2006
7116217Transmitter and receiver for tire condition monitoring apparatus
In an internal memory of a reception controller such as, for example, a ROM, a correction table is stored for correcting air pressure data. The reception controller receives a signal representing vehicle speed from a speedometer of the vehicle. The reception control...
10/03/2006
7102499Electronic device for a tire having an extensible antenna
An electronic communication device for a tire includes a radio device and an antenna intended to be attached to or embedded in a tire, the antenna being spirally or helically shaped to absorb tensile and bending stress applied by the tire. The antenna body may be a ...
09/05/2006
7098780Device for fixing a tire monitoring system module to a wheel
A device for fixing to a wheel a module intended to measure and transmit to a receiver, in particular by radio link, at least one quantity characteristic of the state of a tire mounted on the wheel, in particular its inflation pressure, comprising connecting means r...
08/29/2006
7088226Method and apparatus for a remote tire pressure monitoring system
A tire characteristic monitoring method allows automatic programming of tire position information in a remote tire pressure monitoring system (10). The method includes, from a remotely located exciter (16) using a primary coil (18) to transmit a...
08/08/2006
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