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| Number | Title | Issue Date |
| 7949487 | Moving body posture angle detecting apparatus An angular velocity detected by an angular velocity sensor (10) is integrated by a small angle matrix calculator (12) and a matrix adding calculator (14), and then restored as a posture angle (angular velocity posture angle) by a matrix posture ... | 05/24/2011 |
| 7684945 | Method for the calibration of a yaw rate measurement In a method for the calibration of a yaw rate measurement in a motor vehicle, the motor vehicle features at least one device for determining the yaw rate, a camera system which is oriented in the forward direction, and, if applicable, a steering angle sensor or a la... | 03/23/2010 |
| 7502703 | Calibration of the fundamental and harmonic once-around velocity variations of encoded wheels A method of calibrating once-around and harmonic errors of encoded nips is provided. An encoder with an index pulse is used to measure the velocity and rotation of the driven wheel or idler. The geometry of the drive train and wheel and idler is chosen so that their... | 03/10/2009 |
| 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 |
| 7363191 | Estimation methods for wave speed Robust methods are developed to provide bounds and probability distributions for the locations of objects as well as for associated variables that affect the accuracy of the location such as the positions of stations, the measurements, and errors in the speed of sig... | 04/22/2008 |
| 7352303 | Systems and methods for clock mode determination utilizing prioritization criteria A system for determining a data converter operating mode includes measurement circuitry that measures a master clock frequency of a master clock signal received without a modification in frequency from a master clock signal source and that measures a frequency ratio... | 04/01/2008 |
| 7327239 | Heads-up speed display for vehicles A heads-up speed sensing display and control system for apprising an operator of the risk of operating a vehicle at various speeds has a risk indicator display with a plurality of illuminable elements, such as three different colored LEDs, illuminable in a plurality... | 02/05/2008 |
| 7313466 | System and method for automatically detecting a type of a CPU fan An exemplary method for automatically detecting a type of a CPU fan includes: setting a PWM duty cycle of the CPU fan to a value of 100%; obtaining revolutions of the CPU fan at the PWM duty cycle in a fixed time period; calculating an RPM of the CPU fan as a full R... | 12/25/2007 |
| 7308373 | Method for determining a vehicle reference velocity A velocity and acceleration are measured (14) in a method for determining a vehicle reference velocity, said vehicle reference velocity being used for determining and selecting a suitable transmission ratio. If a measured acceleration (aist) exceed... | 12/11/2007 |
| 7292933 | Engine misfire detection A method of detecting an engine malfunction such as a misfire includes determining engine speed values at each of a plurality of measurement angular positions, heterodyning the engine speed values with sine and cosine functions indexed in the angular domain, passing... | 11/06/2007 |
| 7283897 | Method and system for compensating for wheel wear on a train A method and system for compensating for wheel wear uses position and/or speed information from an independent positioning system to measure some distance over which the train has traveled. Wheel rotation information is also collected over the distance. The wheel ro... | 10/16/2007 |
| 7281522 | Acceleration sensor status detecting apparatus An acceleration sensor state detecting apparatus for detecting a state of an acceleration sensor provided at a vibrating body includes a calculating method for calculating a difference between measured results of the acceleration sensor obtained per first predetermi... | 10/16/2007 |
| 7277809 | Radio frequency identification tag based speedometer calibration A computer implemented method, apparatus, and computer usable program code for calibrating a speedometer of a vehicle. First information is received by the vehicle from a first radio frequency identification tag. Second information is received by the vehicle from a ... | 10/02/2007 |
| 7254516 | Multi-sensor monitoring of athletic performance Athletic performance monitoring systems and methods, many of which utilize, in some manner, global positioning satellite (“GPS”) data, provide data and information to athletes and/or to equipment used by athletes during an athletic event. Such systems and method... | 08/07/2007 |
| 7249488 | Method for detecting a zero-point error of a coriolis gyroscope and coriolis gyroscope using said method In a method for determining the zero-point error of a Coriolis gyro, the resonator of the Coriolis gyro has a disturbance force applied to it such that a change in the stimulation oscillation of the resonator is brought about. A change in the read oscillation of the... | 07/31/2007 |
| 7249486 | Method for monitoring a sensor The present invention concerns a method of monitoring a sensor for sensing the flow speed of a medium. The invention further concerns an apparatus for carrying out that method. In order to be able to monitor the sensor, without providing redundant sensors, the flow ... | 07/31/2007 |
| 7246512 | Method for determining a zero-point error in a vibratory gyroscope A method for determination of the zero error of a Coriolis gyro. Appropriate disturbance forces are applied to the resonator of the Coriolis gyro such that at least one natural oscillation of the resonator is stimulated that differs from the stimulating and read osc... | 07/24/2007 |
| 7239972 | Method for setting, in a motor vehicle electrical power steering system, the power steering torque set point A motor vehicle power steering system, including a steering column and a power steering motor. The column has an upper part bearing a steering wheel and a lower part acting on a mechanical steering device. A setpoint at which the motor should apply a power assist to... | 07/03/2007 |
| 7219529 | Method and apparatus for measuring scalefactor variation in a vibrating structure gyroscope Apparatus for measuring variation in scalefactor from a predetermined value for a vibrating structure gyroscope has a vibrating structure (R), fixed primary and fixed secondary drives (1, 13) for putting and maintaining the vibrating structure (R) in vibratin... | 05/22/2007 |
| 7212944 | Inertial measurement unit using rotatable MEMS sensors A MEM inertial sensor (e.g. accelerometer, gyroscope) having integral rotational means for providing static and dynamic bias compensation is disclosed. A bias compensated MEM inertial sensor is described comprising a MEM inertial sense element disposed on a rotatabl... | 05/01/2007 |
| 7205923 | Pipelined analog to digital converter that is configurable based on mode and strength of received signal A pipelined analog to digital converter (ADC) that is arranged to dynamically adapt its resolution and sampling frequency based on at least a determined mode of communication and the strength of a received wireless signal. Since standby mode data is typically commun... | 04/17/2007 |
| 7200508 | Method and device for monitoring a control unit of an internal combustion engine The invention relates to a method for monitoring a control unit of an internal combustion engine, according to which a variable, which characterises the initial parameter of a lambda regulation system, is monitored for a deviation from a predefined threshold value. ... | 04/03/2007 |
| 7174594 | Car washing machine A car washing machine (1) is composed of a front body (1A) provided with a rocker brush (11), a top brush (12), side brushes (13) and so forth as washing means for washing a vehicle (2), and a rear body (1B) provided ... | 02/13/2007 |
| 7174243 | Wireless, internet-based system for transmitting and analyzing GPS data The invention provides a wireless, internet-based system for monitoring and analyzing both GPS and diagnostic data collected from a vehicle. Specifically, the present invention provides a system for collecting these types of data and analyzing them to provide improv... | 02/06/2007 |
| 7155974 | Inertia sensor unit An inertia sensor unit having a detecting element, a signal processor being constituted as an element separate from the detecting element, for at least amplifying signals output from the detecting element, and an inertia sensor mounted to a detection object for dete... | 01/02/2007 |
| 7120548 | Method of calibrating bias drift with temperature for a vibrating structure gyroscope A method of calibrating bias drift with operating temperature over an operating temperature range for a vibrating structure gyroscope. The method includes the steps of measuring, over an operating temperature range of the vibrating structure gyroscope, primary drive... | 10/10/2006 |
| 7098844 | Acceleration detector with integral vehicle parameter display using a vehicle interface Calibration of an acceleration detector is initiated by a user depressable button such as a button indicating a vehicle is at rest and/or by the detector reading an OBDII vehicle communication protocol to determine the condition of the vehicle. Calibration permits m... | 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 |
| 7089177 | System and method for characterizing voiced excitations of speech and acoustic signals, removing acoustic noise from speech, and synthesizing speech The present invention is a system and method for characterizing human (or animate) speech voiced excitation functions and acoustic signals, for removing unwanted acoustic noise which often occurs when a speaker uses a microphone in common environments, and for synth... | 08/08/2006 |
| 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 |
| 7075057 | Method of generating an index signal for an optical encoder A processing apparatus calculates and applies calibrations to sensors that produce quasi-sinusoidal, quadrature signals, using fixed or programmable electronic circuits, a circuit to calculate the phase and magnitude corresponding to the two input (quadrature) signa... | 07/11/2006 |
| 7072759 | Method for controlling an internal combustion engine generator unit An actual run-up ramp is measured for internal combustion engine-generator unit during a starting process. The actual run-ramp is then set as the set run-up ramp. In this way, the closed-loop control of the internal combustion engine-generator unit adapts itself to ... | 07/04/2006 |
| 7066004 | Inertial measurement unit using rotatable MEMS sensors A MEM inertial sensor (e.g. accelerometer, gyroscope) having integral rotational means for providing static and dynamic bias compensation is disclosed. A bias compensated MEM inertial sensor is described comprising a MEM inertial sense element disposed on a rotatabl... | 06/27/2006 |
| 7049988 | Systems and methods for clock mode determination utilizing a fixed-frequency reference signal A system for determining a data converter operating mode including measurement circuitry operable to measure a master clock frequency by comparing a frequency of a master clock signal and a frequency of a fixed frequency clock signal and operable to measure a freque... | 05/23/2006 |
| 6999886 | Vehicle speed estimation using inductive vehicle detection systems A method and apparatus for communicating estimated vehicular speed and length using data obtained from a single wire-loop. The detector card connected to a single wire-loop produces a first bivalent output based on the actual measurement of a vehicle at the wire-loo... | 02/14/2006 |
| 6970774 | Method and system for compensating for wheel wear on a train A method and system for compensating for wheel wear uses position and/or speed information from an independent positioning system to measure some distance over which the train has traveled. Wheel rotation information and/or distance and speed from a wheel sensor ove... | 11/29/2005 |
| 6968281 | Method for calibrating an inertial measurement unit A method for testing inertial measurement devices on a multi-axis rate table without having to utilize slip rings to transfer signals between the inertial measurement devices and remote processors by incorporating a processor internal to the inertial measurement dev... | 11/22/2005 |
| 6963818 | Mobile speedometer system and associated methods The invention detects loft time and/or speed of a vehicle and/or person during activities of moving and jumping. A loft sensor detects leaving the ground and returning to the ground. A microprocessor subsystem converts the sensed information to determine a loft time... | 11/08/2005 |
| 6958966 | Control device for optical disk player that corrects rotational frequency data based on input data An optical disc player having an optical pickup records and retrieves information on an optical disc while the optical disc is rotating. A rotation pulse is generated each time the optical disc rotates through a prescribed angle. A rotation frequency data representi... | 10/25/2005 |
| 6946648 | Opto-electronic device for angle generation of ultrasonic probe A system for accurately sensing/determining the position of an uniformly rotating shaft characterized in using a single marker in tandem with a high frequency signal, said system comprising a shaft mounted with a disc having a single marker, an opto-electronic devic... | 09/20/2005 |
