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| Number | Title | Issue Date |
| 8395492 | Tire monitoring in vehicles An apparatus, method, and computer program product for monitoring a tire are provided. An apparatus comprises a laser system comprising a number of lasers configured to identify a radius of a tire of a vehicle located on a ground, wherein a laser in the number of la... | 03/12/2013 |
| 8350688 | System and method for indirect indication of tire pressure loss A method of indirect tire pressure monitoring for indicating when a pneumatic tire on a wheel at one end of a motor vehicle axle is underpressurized relative to a pneumatic tire on a wheel at an opposite end of the axle while the vehicle is being driven on a road su... | 01/08/2013 |
| 8332092 | Method for detecting the state of a tire A method for detecting the state of a vehicle tire and/or a roadway, in which at least one sensor, in particular an acceleration sensor, disposed in the tire interior generates a signal that is assigned to physical variables of the vehicle tire and/or the roadway. A... | 12/11/2012 |
| 8207839 | Apparatus, method and program for detecting tire having decreased pressure using bayesian estimation means An apparatus for detecting a tire having a decreased pressure based on resonance frequency of tires attached to respective wheels of a vehicle. The apparatus includes a storage means for storing information regarding a distribution of resonance frequencies respectiv... | 06/26/2012 |
| 8193926 | Piezoelectric triggering mechanism A piezoelectric triggering mechanism (10) includes a piezoelectric element (12), such as the transducer of a SAW device, that is configured to crack or break upon being subjected to excessive levels of mechanical force or other triggering mechanisms, t... | 06/05/2012 |
| 8040229 | Method for alarming decrease in tire air-pressure using wheel speed, vehicle acceleration and wheel slip ratio An object is to provide a method capable of reducing calculation number of times for obtaining a primary regression line of a slip ratio and acceleration, and detecting a decrease in internal pressure of tires with high accuracy even in the case where is no evenness... | 10/18/2011 |
| 7804396 | Tire pressure monitoring system having a collapsible casing A tire pressure monitoring device and system includes a support or housing mounted to a rim of a wheel of a vehicle. A casing is movably secured to the support and a pair of spaced magnets are disposed within the casing. The casing is collapsible for varying the len... | 09/28/2010 |
| 7579943 | Apparatus, method and program for alarming decrease in tire air-pressure To provide an apparatus, method and program for alarming decrease in tire air-pressure which enable to detect decrease in air-pressure of all of four-wheels tires at reduced costs. The apparatus for alarming decrease in tire air-pressure includes means of (1) detect... | 08/25/2009 |
| 7439852 | Flat tire alert system A flat tire alert system for detecting flat tires on trailers. The system includes: a plurality of sensor modules coupleable to an axle, and configured to sense deflation of a tire. Each sensor includes: a coupling mechanism, a retention spring, a first arm, a joint... | 10/21/2008 |
| 7432801 | System 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 |
| 7392022 | Thermally feedable transmitter and sensor system The transmitter which can be fed thermally has at least one heat transducer element (1) with a downstream voltage transformer (3) and logic assembly (4) as well as a data transmission unit (5, 6), and is characterized in that the logic as... | 06/24/2008 |
| 7388478 | Apparatus 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 |
| 7378945 | Vehicle security system controlling vehicle body position and related methods A vehicle security system includes a vehicle security controller for operating at least one vehicle body position actuator to reposition the vehicle body responsive to at least one vehicle security sensor. The vehicle may include the vehicle wheels, the vehicle body... | 05/27/2008 |
| 7367227 | Determination of wheel sensor position using shock sensors and a wireless solution A remote tire monitor system includes a control unit and a plurality of tire monitors mountable on respective wheels of a vehicle to transmit radio signals to the control unit. The tire monitors each include a pair of motion sensors such as shock sensors and a contr... | 05/06/2008 |
| 7362218 | Motion 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 |
| 7361998 | Energy harvesting for wireless sensor operation and data transmission A device for powering a load from an ambient source of energy is provided. The device includes an energy harvesting device for harvesting energy from the ambient source of energy wherein the rate energy is harvested from the ambient source of energy is below that re... | 04/22/2008 |
| 7348878 | Tire pressure monitoring system with permanent tire identification A tire pressure management system for a tractor/trailer system uses exterior sidewall mounted tire RFID tags, valve mounted tire pressure sensors and transmitters, radio repeaters, a tire pressure management system receiver with controller area network interface, a ... | 03/25/2008 |
| 7333008 | Tire deflation warning system and method thereof, and judgment program of tire with reduced pressures A tire deflation warning system having a means for detecting the rotational speeds of wheels on a vehicle and a means for judging tires with reduced air pressure from the rotational speed information of the wheels including a means for judging whether driving force ... | 02/19/2008 |
| 7327244 | Valve 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 |
| 7327243 | Method for warning deflation of tires and system thereof, and judgment program of deflation of tires A method for warning deflation of tires which can detect the deflation of 2 wheels at the same axle including a following axle, the simultaneous deflation of 4 wheels or the abrasion of tires only by the information of wheel speeds is provided. The method comprises ... | 02/05/2008 |
| 7323975 | Tire pressure monitoring system and method therefor A tire pressure monitoring system for a vehicle with at least one tire includes at least one pressure sensor adapted for sensing pressure inside the at least one tire. The system also includes at least one indicator adapted to communicate a stop signal indicating th... | 01/29/2008 |
| 7301454 | Sensor system The invention provides apparatus having a sensor system for providing sensor information for a monitoring, control or other operating function of the apparatus. The sensor system comprises: a transducer (16) adapted to be responsive to a predetermined environ... | 11/27/2007 |
| 7301446 | Method of detecting undersized, oversized, underinflated or overinflated tires A method of detecting the presence of an undersized, e.g., mini-spare, or an underinflated, oversized or overinflated tire or tires on a passenger motor vehicle improves operation of traction control, stability and anti-lock brake systems by compensating for such op... | 11/27/2007 |
| 7295103 | Integrated sensor system and method for a farm tire An integrated tire monitoring system for an agricultural vehicle control system comprises at lease one sensor integrally coupled to at least one tire on a farm vehicle; an external reader for obtaining tire revolution speed data from the sensor during each revolutio... | 11/13/2007 |
| 7290454 | Pressure flow sensor systems and pressure flow sensors for use therein A differential pressure flow sensor system comprises a disposable flow sensor which has upstream and downstream pressure sensing devices for detecting a differential pressure in a flow channel. Each sensing device comprises a diaphragm, a capacitor and an inductor e... | 11/06/2007 |
| 7292915 | Vehicle control device A vehicle control device having a tire air pressure detecting unit for detecting tire air pressure of a vehicle having an engine mounted in the vehicle and outputting a tire air pressure signal, a tire air pressure reduction judging unit for judging on the basis of ... | 11/06/2007 |
| 7289021 | Apparatus and method for attaching an annular transponder unit to tire Apparatus and method in the use thereof attaches an annular transponder unit to an annular tire surface, the transponder unit being of a type having a sensor housing coupled to an annular antenna. The apparatus includes a rotary turntable for supportably rotating a ... | 10/30/2007 |
| 7285868 | Apparatus and method for energy generation within a tire Energy for in-tire use is generated from the load induced reciprocating deflection of the tire inner walls above the tire-to-road contact patch adjacent to the shoulder of the tire. This energy is used to power in-tire monitoring electronics. For pulsatile energy ge... | 10/23/2007 |
| 7284418 | Tire pressure sensor assembly The disclosure provides a tire pressure sensor assembly that includes a battery and a printed circuit board (PCB) configured with electronics to measure tire pressure and to transmit an electromagnetic signal related to the measured tire pressure. The PCB and batter... | 10/23/2007 |
| 7277814 | Portable diagnostic handset A portable diagnostic device. The portable diagnostic device includes a housing, a processor located within the housing, an input device located on the housing and coupled to the processor, and a display screen located on the housing and coupled to the processor. Th... | 10/02/2007 |
| 7277008 | Sensor unit, method, device and sensor system for determining a side of a vehicle on which a wheel with a sensor unit is disposed A sensor unit for recording the direction of rotation of a wheel is embodied to record a variable that is characteristic for a direction of flow of an air stream in a tire of the wheel. To determine a side of a vehicle on which a wheel is disposed, a variable is rec... | 10/02/2007 |
| 7266348 | Tire air pressure detection system A tire air pressure detection system, able to prevent a strong electric field or strong radio interference from affecting transmitters and causing mistaken data relating to tire air pressure to be sent out and a driver from being mistakenly warned, having transmitte... | 09/04/2007 |
| 7263458 | Tire pressure estimation A method of estimating the occurrence of a specific tire pressure deviation between actual and nominal pressure values for one or a plurality of wheels (i) is provided. One or more wheel radius analysis measurement values (ΔR) are subsequently obtained from a wheel... | 08/28/2007 |
| 7259663 | Wheel 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 |
| 7254994 | Device for detecting and signaling a physical value when connected to a rim, and rim comprising such a device The invention is a device comprising a device for detecting and signaling a physical value when connected to a rim (1) in a position below a pneumatic tire mounted on the rim (1), and further comprising a device to discover a detachment of the device f... | 08/14/2007 |
| 7253725 | Apparatus and method for boosting signals from a signal-generating or modifying device Arrangement for providing a boosted signal from a signal-generating device, such as a SAW device or an RFID tag, including an antenna and a circulator having a first port connected to the antenna to receive a signal therefrom and a second port connectable to the dev... | 08/07/2007 |
| 7248942 | Airflow detection system having an airflow indicating device According to an embodiment, the present invention pertains to a system for detecting airflow in a room. The system includes an airflow indicating device having a movable component whose movement substantially corresponds to airflow in a vicinity of the airflow indic... | 07/24/2007 |
| 7243533 | Movable unit and system for sensing at least one characteristic parameter of a tyre A system for sensing at least one characteristic parameter of a tyre fitted to a vehicle includes a movable unit and a fixed unit. The movable unit is combined with the tyre and includes a device for sensing the at least one characteristic parameter, a device for tr... | 07/17/2007 |
| 7242285 | Apparatus and method for power management in a tire pressure monitoring system A system (10) and method manages battery (13) power in a wheel module (11) for indicating when air pressure in a tire falls below a recommended value. Tire air pressure is sensed with a pressure sensor (16). Tire air temperature is sensed... | 07/10/2007 |
| 7233237 | Method and system or central station for monitoring tyre condition, and for detecting the presence of chains or nails, on a vehicle A system and method are provided for monitoring the physical integrity of a tire. The system and method include measuring a signal proportional to the speed of rotation of the wheel and calculating a harmonic signal of the round of wheel (e.g., equal to the energies... | 06/19/2007 |
