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9008903 Wheel diameter variation-detecting device  
The present disclosure presents a wheel diameter variation-detecting device capable of properly detecting relative variation in diameter between a plurality of wheels of a vehicle. The wheel...
8849601 Method for self-calibrating an accelerometer mounted on a wheel of a vehicle while said vehicle is moving  
A method for self-calibrating, while a vehicle is moving, an accelerometer mounted on a wheel of the vehicle so that its plane of maximum sensitivity is secant with the axis of rotation of the...
8738308 Method, apparatus, and program for detecting decrease in tire air pressure  
A method of detecting a decrease in tire air pressure includes calculating tire rotation information obtained from the wheel tires; computing a first determination value showing a difference...
8521468 Diagnostic method for use with a vehicle dynamic control system (VDCS)  
A diagnostic method for improving the reliability, accuracy, efficiency and/or robustness of a vehicle dynamic control system (VDCS) by providing analytical redundancy for one or more sensor...
8489355 Method for the determination of long-term offset drifts of acceleration sensors in motor vehicles  
A method for determining long-term offset drifts of acceleration sensors in a motor vehicle is provided. In one step, the longitudinal vehicle speed is determined in the vehicle's center of...
8433538 Method and device for balancing production-related inaccuracies of the magnetic wheel of an electromotive drive of a vehicle  
In a method and a device for balancing production related inaccuracies of the magnetic wheel of an electromotive drive of a vehicle, correction factors are used, the initial value of which is...
8406947 Vehicle body speed calculation device  
A vehicle body speed calculation device includes a wheel speed derivation mechanism deriving wheel speeds based on detection signals from wheel speed sensors which detect the speeds of wheels of a...
8326480 Method and device for monitoring the state of tires  
Method for monitoring the state of a tire, in which at least one analysis value (UR i), from which the state of a tire is determined, is formed from wheel speed signals (ωrot i) of the vehicle...
8280675 System and method for filtering temperature profiles of a wheel  
A method for inspecting a rail vehicle includes receiving signals representative of temperatures of a wheel of the rail vehicle and generating a sensed wheel temperature profile of the wheel based...
8239157 Method and apparatus for directing the use of a coriolis flow meter  
A method and apparatus is disclosed that guides a user through a sequence of steps that will allow the user to complete a predefined task using the flow meter. The steps include: selecting a...
8229697 Method and device for the robust and efficient determination of the rotational direction and/or rotational speed of a wheel or a shaft  
A method and a device are described for determining the rotational direction and/or rotational speed of a rotatable body on the basis of a sine signal and cosine signal, which is assignable to the...
8209081 Minimizing wheel speed and acceleration errors  
A method for compensating for wheel speed and acceleration calculation errors comprising the steps of collecting a wheel speed signal, creating at least one compensation factor for the wheel speed...
8209243 System and method for real-time labor management  
A system for performing real-time labor management and timesheet reporting comprising: a plurality of portable and dedicated time tracking units, with each unit operable to wirelessly transmit...
8169214 Angular position sensor  
An angular position sensor and method that relies on a stationary circular array of Hall sensors and a rotatable circular array of magnets arranged about a common axis. A periodic and simultaneous...
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...
7970525 Method for determining the speed of a motor vehicle  
The invention relates to a method for determining the vehicle speed of a motor vehicle, wherein a provisional first speed value is determined for high speeds and a provisional second speed value...
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...
7912665 Method and apparatus for driver hands off detection for vehicles with active front steering system  
A system and method for detecting the absence of contact between the hands of a driver of a vehicle and a steering wheel of the vehicle that have particular application in ensuring the proper...
7856338 Apparatus and method for detecting a reversion of direction of a relative movement  
An apparatus for detecting a reversion of direction of a relative movement between a periodic scale for defining a periodic field and a field sensor. The field sensor outputs first and second...
7831407 Adaptive vehicle control system with driving style recognition based on vehicle U-turn maneuvers  
An adaptive vehicle control system that classifies a driver's driving style based on vehicle U-turn maneuvers. A process determines if the vehicle has started a turn if the yaw rate is greater...
7724157 Keyboard  
An improved keyboard system and apparatus using keys spaced and sized to correspond to human hands provides rapid data entry applicable to all electronic devices. Each key combination provides a...
7680545 System and method for speed measurement verification  
This Invention provides for a method and system for speed measurement verification. The method comprises the step of automatically measuring the speed of a vehicle traveling on a surface which...
7673505 Tire footprint determination apparatuses, systems and methods  
In one embodiment, a method comprises sampling a sensor during rotation, determining a percentage of samples within a target range, and calculating a circumferential portion of the rotation...
7676345 Method and system of determining the absolute velocity of a vehicle  
A method of determining the velocity (ν) of a vehicle is provided. The vehicle has at least one pair of a front and a rear wheel which are spaced by a wheel spacing (B). Front and rear wheel speed...
7614292 Method and device for detecting defect in outer shape of tire side portion  
Repeated small irregularity, i.e. defect in outer shape on a sidewall portion S of a pneumatic tire T is detected. An order analysis is performed in higher order by an order analysis means 24...
7574293 System and method for identifying tire position on a vehicle  
A method of determining the position of a tire on a vehicle using signal pulses is described. The method includes receiving a plurality of signal pulses from a transmitter associated with the tire...
7555402 Method for determining the angular position of the steering wheel of an automobile vehicle electric power-assisted steering system  
The method consists in: determining in which actually sector the booster motor is located, a sector of the booster motor being defied by two successive poles; determining a relative angle position...
7472012 Traction control device  
A newly obtained wheel speed of a drive wheel is not used in a calculation for acceleration slip when a vehicle is stopped, for example, when the wheel speed of a rolling wheel is zero and an...
7451035 Vehicle control device  
First, it is determined that a measurable distance of a laser radar device is a first threshold value being an extremely short measurable distance or below, because of dirt on a sensor or bad...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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...
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,...
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...
6871157 Method for automatically locating a motor vehicle wheel and corresponding locating unit  
A method for automatically locating a motor vehicle wheel comprises the following steps: transmission by the wheel unit (12a to 12d) of high-frequency signals representing, at least, the wheel...
6816804 System and method for estimating velocity using reliability indexed sensor fusion  
A method and system for vehicle velocity estimation. The method and system effectively combine vehicle kinetic and kinematic models to determine the noise covariance or reliability of vehicle...
6813583 Wheelspeed estimation system and method  
A system and method for estimating the wheel speed of a vehicle propelled by DC motors mechanically coupled to at least one wheel on the vehicle so as to rotate said one or more wheel. At least...
6731224 Method and device for preprocessing a received, data coded transmitting signal  
A method for conditioning a coded signal including: determining a time constant, on the basis of which the data were coded, from the received signal and evaluating the received signal according to...

Matches 1 - 50 out of 148 1 2 3 >