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| Number | Title | Issue Date |
| 8165842 | Measuring device for vehicle data, in particular for the speed of a vehicle running on wheels A measuring device for measuring the speed of a vehicle running on wheels has a first sensor and a second sensor. The two sensors are arranged on the same wheel of a vehicle and rotate with this wheel. Both sensors are arranged in such a way that they measure forces... | 04/24/2012 |
| 7930132 | Tire rotation detection system and method A method for determining whether a tire is in rotation is provided. A measured acceleration is compared to a first threshold after a first timer indicates that a first period has lapsed, and indication that the tire is in rotation is provided if at least one of the ... | 04/19/2011 |
| 7428467 | Method for tangential force variation and angular acceleration fluctuation prediction in tires It is possible to significantly reduce a prediction error of the high-speed RFV and the high-speed TFV in a tire having a large PRO growth amount at high speed. Three or more sample tires are extracted from each lot. The PRO and RFV are measured and the least-square... | 09/23/2008 |
| 7395177 | Method for monitoring tire pressure variation of automobile tire and system for realizing the same A method for monitoring tire pressure variation of automobile tires and a system of implementing thereof, which measures and obtains rotation speeds of individual automobile tires as reference values, and compares these reference values with the current rotation spe... | 07/01/2008 |
| 7392145 | Speedometer drive apparatus and method An automotive speedometer drive apparatus is disclosed that replaces an existing speedometer cable of the type used to drive mechanical speedometer instruments. The drive being an electronically controlled motor made to rotate at the correct rate to give an accurate... | 06/24/2008 |
| 7363138 | Wheel slip detection and torque management A method of controlling traction in a vehicle having at least one non-driven wheel speed sensor. Actual vehicle acceleration and a wheel speed difference are detected. At least one of the actual vehicle acceleration and the wheel speed difference is compared to at l... | 04/22/2008 |
| 7340369 | Detection device for decreased tire pressures and method thereof A device, and an analogous method and program, for detecting whether different tires are mounted on the left and right driving wheels of a vehicle and accurately detecting decreased tire pressures. The device detects the rotational speeds of wheels mounted on the ve... | 03/04/2008 |
| 7327337 | Color tunable illumination device A decorative illumination device for use in a lighting system including a command controller, a plurality of illumination devices and a flexible cord interconnecting each. The command controller includes a microcontroller that provides a data signal and a clock sign... | 02/05/2008 |
| 7328122 | Speed sensor A speed sensor includes a magnetic pickup generating a cyclical output based upon passing teeth of a rotating gear. A counter counts the number of clock pulses that are generated during a measurement period of the cyclical output. The measurement period, in terms of... | 02/05/2008 |
| 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 |
| 7301444 | Method and apparatus for alarming decrease in tire air-pressure and threshold changing program A method for alarming decrease in tire air-pressure, which detects decrease in internal pressure of a tire attached to a vehicle and accordingly issues alarm. The method includes the steps of: detecting rotational information of the respective tires; storing the rot... | 11/27/2007 |
| 7289930 | Method for monitoring tyre pressure monitoring systems in a motor vehicle Disclosed is a method of monitoring tire pressure monitoring systems in a motor vehicle. The motor vehicle has a tire pressure monitoring system with indirect measurement which detects tire inflation pressure loss on the basis of wheel speed data, and a tire pressur... | 10/30/2007 |
| 7248176 | Color-changeable warning apparatus of vehicle meter A color-changeable warning apparatus of a vehicle meter transforms a measured value of the target position into a first digital signal and adopts a setting value as a second digital signal. The first digital signal and the second digital signal are compared by a com... | 07/24/2007 |
| 7248175 | Synchronously lighting apparatus of vehicle meter The present invention relates to a synchronously lighting apparatus of a vehicle meter. The digital signal transformed from the measured value triggers the light-emitting device of the light-outputting group so as to change the lighting status and triggers the displ... | 07/24/2007 |
| 7248991 | Method and device for detecting a rotational speed, especially the rotational speed of the wheel of a vehicle The invention relates to a method and an apparatus for measuring a rotational speed, in particular a rotational speed of a wheel of a motor vehicle, by means of a speed sensor, wherein the speed sensor produces an output signal characterizing the actual rotational s... | 07/24/2007 |
| 7209856 | Method for detecting decompression of tires and device thereof, and program for judging decompression of tires A detection method of reducing the air pressure of tires based on the rotational speed of wheels mounted on a vehicle. The method includes steps of: detecting the rotational speed of each of the wheels; storing the rotational speed of wheels; determining a judgment ... | 04/24/2007 |
| 7200447 | Multiprocessor control system for cycles, for example for competition bicycles An electronic control system for cycles, for use with a set of sensors, a set of actuators, and a set of control members associated to a cycle. The system having a first processor unit for processing and displaying information; a second processor unit for communicat... | 04/03/2007 |
| 7184868 | Vehicle dynamics behavior reproduction system A vehicle dynamics behavior reproduction system capable of describing accurately behavior of a motor vehicle in a lateral direction even for nonlinear driving situation includes a vertical wheel force arithmetic module (105), a lateral wheel force arithmetic ... | 02/27/2007 |
| 7174241 | Speedometer controller and speedometer control method A vehicle speed is obtained from detection signals obtained from wheel speed sensors. In a case where a vehicle speed calculation is shifted from a first method to a second method, a vehicle speed displayed on a speedometer is gradually changed from the vehicle spee... | 02/06/2007 |
| 7136775 | Method and device for detecting decompression of tires, and program for judging decompression of tires A detection method of reduced air pressure of tires based on the rotational speed of wheels mounted on a vehicle. The method includes steps of: determining the rotational speed of each wheel, memorizing the rotational speed of each wheel, determining the loading sen... | 11/14/2006 |
| 7133796 | Smart resolution valve pressure control The Smart Resolution Valve Pressure Control System allows any pressure control system using valve state pulsing to modify airflow at an optimum and consistent range of operation thereby enhancing control accuracy and increasing the useable cycle life of any valve co... | 11/07/2006 |
| 7119532 | Systems and methods for detecting of abnormality in magnetic rotors A magnetic rotation detector includes a magnetic rotor having magnetic bodies, a detecting body that detects a change in magnetic flux that is caused by the magnetic bodies as the magnetic rotor rotates; and an abnormality determination portion that monitors an appa... | 10/10/2006 |
| 7099795 | System for changing and/or evaluating a speed signal A system for a transmission of several additional pieces of information by a single modification of a speed signal. In addition to the modification of the speed signal in the area near the wheel (modified speed sensor), the system provides the special evaluation of ... | 08/29/2006 |
| 7096136 | Method for detecting rotational speed In a method for detecting rotational speed of an internal combustion engine (1), a sector wheel (4) which is driven by the internal combustion engine (1) is scanned, the run of a specific segment of the sector wheel is detected, the duration of ... | 08/22/2006 |
| 7075290 | Tachometer apparatus and method for motor velocity measurement A method and apparatus for determining the velocity of a rotating device is described herein. The apparatus includes a magnet assembly affixed to a rotating shaft of a rotating device and a circuit assembly. The circuit assembly includes a circuit interconnection ha... | 07/11/2006 |
| 7058537 | Method and device for detecting a rotational speed comprising an estimation of a measured value at low rotational speeds An apparatus and a method with which a more-precise indication of an rpm is possible even if a position signal continues to be absent. To that end, a counter state of a counter is evaluated and is set to zero at each position signal. If the expected position signal ... | 06/06/2006 |
| 7053760 | Apparatus and method for alarming decrease in tire air-pressure An apparatus for alarming a decrease in tire air-pressure which alarms the decrease in inner pressure of the tire by using a judged value calculated based on wheel speed information obtained from tires fitted to a four-wheeled vehicle. The apparatus comprises calcul... | 05/30/2006 |
| 7054783 | Rotational speed detector with ripple compensation The rotary detector according to this invention comprises a rotary detector unit C1, C1′ which detects rotary motion of a rotor; and a rotary calculator unit C2, C2′, C2″ comprising a rotation angle detector, which detects th... | 05/30/2006 |
| 7031874 | Vehicle wheel speed calculation device and anti-skid braking control apparatus provided therewith Numbers of teeth of respective rotors are obtained once and stored in an EEPROM. Then, when an ignition switch is initially turned on, vehicle wheel speeds for the respective vehicle wheels are derived based on the information about the numbers of teeth stored in th... | 04/18/2006 |
| 7013233 | Method and device for the detection of the movement of an element The invention proposes a method for detecting the motion of an element relative to a sensor device, in which signals (7 to 15) are evaluated as a function of a pulse generator (1) that is moved past the sensor (3, 4, 5). The signals (7... | 03/14/2006 |
| 6999859 | Vehicle speed measuring apparatus A vehicle speed measuring apparatus includes front and rear wheel side vibration detection sensors for detecting vibrations from a road surface through tires, an input section through which the vibration detection sensors input their detection values, and a processi... | 02/14/2006 |
| 6996494 | Position measuring device and a method for operating a position measuring device A position measuring device having a scanning element assigned to a periodic measuring graduation, the scanning element moves relative to the measuring graduation so as to scan the measuring graduation and generates a first analog signal and a second analog signal t... | 02/07/2006 |
| 6980925 | Real-time signal processing for vehicle tire load monitoring A system for real-time signal processing for vehicle monitoring, including a first device disposed in a tire of a vehicle and producing a signal that is a function of a tire contact time period, during which a point at the tire circumference stays in contact with th... | 12/27/2005 |
| 6966223 | Vehicle speed display apparatus A vehicle speed display apparatus capable of displaying an accurate vehicle speed in either 2WD mode or in 4WD mode. A vehicle speed calculating unit 51 calculates the vehicle speed, according to the output from a wheel rotational speed sensor 22. A 2W... | 11/22/2005 |
| 6962127 | Tachometer pointer instrument A tachometer pointer instrument for motorcycles comprises a housing which includes a housing base and a housing cover which is transparent at least in part. The tachometer pointer instrument also comprises a pointer drive module accommodated in the housing base and ... | 11/08/2005 |
| 6961648 | System and method for desensitizing the activation criteria of a rollover control system A method of densensitizing includes determining a relative roll angle, determining when the vehicle is in a transitional maneuver, and when the vehicle is in a transitional maneuver, setting a roll signal for control to the relative roll angle, reducing control effo... | 11/01/2005 |
| 6959234 | Process for monitoring the condition of motor vehicle wheels A process and device for monitoring the state of a wheel of a motor vehicle in which an output signal of a sensor is converted into an essentially rectangular pulse signal. A respective duration of the pulse is measured; and an especially weighted average between th... | 10/25/2005 |
| 6915193 | Method for determining a longitudinal vehicle velocity by compensating individual wheel speeds using pitch attitude A control system (24) for controlling a safety system (40) of an automotive vehicle includes a plurality of wheel speed sensors (30) generating a plurality of wheel velocity signals, a steering angle sensor (39) generating a steering actu... | 07/05/2005 |
| 6907327 | METHOD OF DETECTION OF LIMITED SLIP DIFFERENTIAL DEVICE, METHOD AND APPARATUS FOR DETECTING DECREASE IN TIRE AIR-PRESSURE EMPLOYING THE METHOD OF DETECTION, AND PROGRAM FOR JUDGING DECOMPRESSION OF TIRE A method of detection of the limited slip differential device, wherein it is detected whether a vehicle is mounted with a limited slip differential device on the basis of a relationship between a lateral directional acceleration of a vehicle calculated by using rota... | 06/14/2005 |
| 6901341 | Smart resolution valve pressure control The Smart Resolution Valve Pressure Control System allows any pressure control system using valve state pulsing to modify airflow at an optimum and consistent range of operation thereby enhancing control accuracy and increasing the useable cycle life of any valve co... | 05/31/2005 |
