Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8180523 | Method for recognition of a pressure loss in motor vehicle tires Disclosed is a method for detection of a pressure loss in motor vehicle tires, which detects pressure loss on at least one vehicle tire based on several parameters, which are calculated from the rolling circumference of the tires. To this end, currently calculated p... | 05/15/2012 |
| 8091418 | Transmission system for tire state quantities A transmission device for motor vehicles for transmitting signals about tire condition variables from a wheel to an electronic evaluating or control unit arranged in the area of the vehicle body, wherein the tire condition variables can be detected especially by one... | 01/10/2012 |
| 8011236 | Method and device for monitoring tire pressure utilizing a reference value that evolves according to a predetermined function of time A method of monitoring a pressure (P) of a tire of a motor vehicle involves measuring a pressure (P) of the tire and comparing the measured pressure with at least one reference value (PrM, Prm, Pr). The referenc... | 09/06/2011 |
| 7930936 | Tag used for monitoring the tire pressure A measuring method for measuring physical variables comprises the selection of a working point (AP) lying within a total measurement range (G) of a physical variable (M) to measured, the detection of a measured value (M(t1)) of the physical variable at a firs... | 04/26/2011 |
| RE41756 | Tire pressure monitoring method A method of monitoring the fluid pressure of, with a sensor of a tire pressure management system disposed without, a tire that prevents overinflation of same. The method of monitoring a fluid pressure of a tire with a sensor, disposed in conduit assemblies for condu... | 09/28/2010 |
| 7743652 | Tire pressure detector without the risk of causing a leaky tire A tire pressure detector without the risk of causing a leaky tire includes a base having a forward projected and externally threaded annular wall and an annular limit wall to define an annular groove therebetween; a mating cover having an internally threaded annular... | 06/29/2010 |
| 7677095 | Method for providing enhanced stability of a vehicle with a deflated tire In a motor vehicle equipped with pneumatic tires and a hydraulically actuated wheel brake system, a method for enhancing stability of the vehicle by determining whether any tire on the vehicle is deflated, determining the current magnitude of brake pressure at the w... | 03/16/2010 |
| RE41058 | Device capable of signalling the inflating condition in the tires The inventor discloses and claims a device for signaling the inflation condition of tires, as externally visible or as may be registered by remote audio or visual cues. The device generally is adapted to be attached to the stem valve of a tire without causing substa... | 12/29/2009 |
| 7526952 | Tire wheel having air-pressure regulator A tire wheel having an air pressure regulator capable of immediately varying the air pressure of a tire of a vehicle in accordance with external environments is disclosed. To regulate the internal air pressure of the tire, the air pressure regulator includes a vacuu... | 05/05/2009 |
| 7513145 | Tire pressure detecting device and tire monitor system A tire pressure detecting device fixed to a wheel with a tire includes a pressure sensor detecting an internal pressure of the tire and transmits data of detection by the pressure sensor to a vehicle body by radio. The tire pressure detecting device further includes... | 04/07/2009 |
| 7497114 | Tag used for monitoring the tire pressure A measuring method for measuring physical variables comprises—the selection of a working point (AP) lying within a total measurement range (G) of a physical variable (M) to be measured,—the detection of a measured value (M(t1)) of the physical variable at... | 03/03/2009 |
| 7441464 | Strain gauge sensor system and method A strain gauge sensor system and method for measuring the strain in a member, such as a fiber rope, has a sensor target assembly having a plurality of magnets carried spaced apart by individual gauge lengths along the member. Position and trigger sensor devices are ... | 10/28/2008 |
| 7437920 | Tire inflation method A tire inflation method is disclosed for moving air through a fluid control circuit to at least one tire that is below a target pressure. The dynamic pressure of the moving air in the fluid control circuit is monitored. A pressure control valve in the fluid control ... | 10/21/2008 |
| 7430900 | Inflation system An inflation system is disclosed for automobile tires, bicycle tires, and other inflatable articles, wherein the inflating pump reads information from a microchip associated with the valve stem in the inflatable article, in order to inflate the tire or other inflata... | 10/07/2008 |
| 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 |
| 7425892 | Tire inflation pressure sensing apparatus with function of detecting tire location A tire inflation pressure sensing apparatus according to the invention includes a plurality of transmitters, each of which is provided on one of a plurality of wheels of a vehicle, and a receiver provided on a body of the vehicle. Each transmitter includes a pressur... | 09/16/2008 |
| 7412312 | System for automatically determining a public transport vehicle emergency braking characteristics, in particular of a railway vehicle A system for automatically determining a public transport vehicle emergency braking characteristics, in particular of a railway vehicle, includes elements (1) for measuring the vehicle speed, elements (2) for measuring the distance travelled by it, and... | 08/12/2008 |
| 7403105 | Highly reliable direct-type tire inflation pressure sensing apparatus A tire inflation pressure sensing apparatus includes a pressure sensor, a transmitter, a transceiver, a receiver, and a determining device. The pressure sensor and transceiver are provided on a wheel of a vehicle, while the transmitter, receiver, and determining dev... | 07/22/2008 |
| 7398176 | Battery testers with secondary functionality An electronic vehicle tester includes a battery tester configured to measure a parameter of a battery of a vehicle. A tire tester is configured to receive a parameter of a tire of the vehicle. A wireless receiver can be configured to receive pressure information fro... | 07/08/2008 |
| 7397352 | Method and device for localizing the position of at least two emission units, especially for monitoring at least one parameter for a plurality of wheels pertaining to a motor vehicle The invention relates to a method and a device for localising the position of at least two emission units, especially for monitoring at least one parameter for a plurality of wheels pertaining to a motor vehicle. The average power of the reception signals of a centr... | 07/08/2008 |
| 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 |
| 7379800 | Tire pressure monitoring using hall effect sensors Wheel assembly with a tire pressure monitoring system includes a wheel rim, a tire mounted thereon, a housing having an interior in flow communication with the tire interior such that the same pressure prevails in the tire and in the housing interior, a magnet arran... | 05/27/2008 |
| 7370523 | Tire deformation calculating method and tire deformation calculating apparatus A deformation of a rotating tire on a road surface is calculated the following. At first, time series data of acceleration extracted from measurement data of acceleration corresponding to one round of tire rotation is subjected to a time integration of second order ... | 05/13/2008 |
| 7370524 | Adaptive vibration control using synchronous demodulation with machine tool controller motor commutation A control system and method for actively reducing vibration in a spindle housing caused by unbalance forces on a rotating spindle, by measuring the force-induced spindle-housing motion, determining control signals based on synchronous demodulation, and provide compe... | 05/13/2008 |
| 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 |
| 7358852 | Tire pressure monitoring sensor diagnosis via vehicle antitheft and entry system A vehicle tire pressure monitoring (TPM) system, the system including an immobilizer transmitter that transmits at least one low frequency (LF) sensor diagnostic signal, at least one TPM sensor, wherein the at least one TPM sensor includes a transceiver that receive... | 04/15/2008 |
| 7352276 | Casing structure of transmitter of tire condition monitoring apparatus A transmitter in an apparatus for monitoring a condition of a tire of a vehicle includes a circuit portion and a casing that accommodates the circuit portion. The casing has a first pressure transmitting portion that transmits the pressure in the tire to the circuit... | 04/01/2008 |
| 7350407 | Installation structure for electronic component for tire An installation structure for an electronic component for a tire, where a case for the electronic component attached to a rim well portion can be prevented from being destroyed during attachment and removal of the tire to and from a wheel. In the installation struct... | 04/01/2008 |
| 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 |
| 7338201 | Method of estimating the temperature of the air in the internal cavity of a tire and application to the detection of abnormal operating of a running-flat system A method of estimating the temperature of the air in the internal cavity of a tire in which: prior to normal operation, a series of running tests are carried out on the tire provided with a means of measuring the internal air tempe... | 03/04/2008 |
| 7339489 | Sensor with wireless communication function A sensor transmits and receives wireless signals at intervals. A sensor unit, a processor 130, a wireless transmitter circuit, and a wireless receiver circuit are activated in sequence only for a fixed time when the electric power generated by a generator cir... | 03/04/2008 |
| 7331221 | Precision inflation control device A method and apparatus to regulate the inflation of objects. To start inflation, the apparatus couples a fluid source to the object via a plenum. Concurrent with inflation, the apparatus substantially continuously measures pressure within the plenum using a sensor s... | 02/19/2008 |
| 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 |
| 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 |
| 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 |
| 7317423 | Antenna device An antenna device having an antenna to be mounted on the body side of a vehicle for receiving a radio signal from a tire condition detection device mounted on a tire side, or giving and receiving a radio signal between the tire condition detection device and a devic... | 01/08/2008 |
| 7310593 | Sampling apparatus and method for determining the driving state of a vehicle An apparatus for determining a state parameter of an object to be monitored comprises a means for providing a plurality of measurement values, wherein the measurement values comprise information relating to the state parameter of the object to be monitored, a compar... | 12/18/2007 |
| 7302980 | Rotary union assembly for use in air pressure inflation systems for tractor trailer tires Preferably, a rotary union assanblv includes at least a stationary tubular member defining an upstream end portion extending axially into an interior of an axle of a vehicle containing a source of pressurized air, and a downstream end portion upon which a housing is... | 12/04/2007 |
| 7305318 | Process and system for detecting decrease in tire air-pressure and tire deflation judging program A judgment whether a decrease in tire air-pressure occurs or not is performed by a process comprising the steps of: detecting information on wheel rotational velocities of tires; obtaining a judgment value for decrease in tire air-pressure based on relative comparis... | 12/04/2007 |
| 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 |
