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Class Information
Number: 702/96
Name: Data processing: measuring, calibrating, or testing > Calibration or correction system > Speed
Description: Subject matter comprising means to calibrate or correct components or output speed data of a speed measuring instrument.


Patents under this class:
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Patent Number Title Of Patent Date Issued
7526398 Method and apparatus for calibrating gyro-sensor Apr. 28, 2009
7509830 Method for monitoring a rotating rate sensor Mar. 31, 2009
7505865 Velocity detection, position detection and navigation system Mar. 17, 2009
7502703 Calibration of the fundamental and harmonic once-around velocity variations of encoded wheels Mar. 10, 2009
7392145 Speedometer drive apparatus and method Jun. 24, 2008
7363191 Estimation methods for wave speed Apr. 22, 2008
7313466 System and method for automatically detecting a type of a CPU fan Dec. 25, 2007
7308373 Method for determining a vehicle reference velocity Dec. 11, 2007
7281522 Acceleration sensor status detecting apparatus Oct. 16, 2007
7277809 Radio frequency identification tag based speedometer calibration Oct. 2, 2007
7254516 Multi-sensor monitoring of athletic performance Aug. 7, 2007
7239972 Method for setting, in a motor vehicle electrical power steering system, the power steering torque set point Jul. 3, 2007
7212944 Inertial measurement unit using rotatable MEMS sensors May. 1, 2007
7200508 Method and device for monitoring a control unit of an internal combustion engine Apr. 3, 2007
7120548 Method of calibrating bias drift with temperature for a vibrating structure gyroscope Oct. 10, 2006
7096136 Method for detecting rotational speed Aug. 22, 2006
7075290 Tachometer apparatus and method for motor velocity measurement Jul. 11, 2006
7066004 Inertial measurement unit using rotatable MEMS sensors Jun. 27, 2006
6999886 Vehicle speed estimation using inductive vehicle detection systems Feb. 14, 2006
6968281 Method for calibrating an inertial measurement unit Nov. 22, 2005
6963818 Mobile speedometer system and associated methods Nov. 8, 2005
6931306 System and method of designing cooling fans Aug. 16, 2005
6889127 Vehicle tampering protection system May. 3, 2005
6882948 Speed-dependent setpoint correction in electrically regulated slave drives Apr. 19, 2005
6879920 Method and system for estimating movement speed of mobile unit Apr. 12, 2005
6847914 Method for determining the rotational position of the drive shaft of a commutated DC motor Jan. 25, 2005
6836729 Method of and apparatus for detecting vehicle speed pulse drop, on-vehicle navigation system, program storage device and computer data signal embodied in carrier wave Dec. 28, 2004
6801838 Device and method for converting vehicle speed signals Oct. 5, 2004
6795787 Method and apparatus for calibrating a sampling circuit Sep. 21, 2004
6778924 Self-calibrating inertial measurement system method and apparatus Aug. 17, 2004
6772080 System and method for kinematic consistency processing Aug. 3, 2004
6763293 Calibration procedure for a permanently powered relative steering wheel angle sensor with power-loss indication Jul. 13, 2004
6745143 Method and device for determining correction values for wheel speeds Jun. 1, 2004
6636819 Method for improving the performance of micromachined devices Oct. 21, 2003
6629031 Vehicle tampering protection system Sep. 30, 2003
6591209 Automatic calibration of speed signal scaling Jul. 8, 2003
6564125 Method for updating a sensor using a robust sensor offset learning algorithm May. 13, 2003
6564109 Methods and systems for compensation of measurement error May. 13, 2003
6546348 Range switchover apparatus for automatic transmission Apr. 8, 2003
6507799 Method and apparatus for reducing microprocessor speed requirements in data acquisition applications Jan. 14, 2003
6502053 Combination passive and active speed detection system Dec. 31, 2002
6476605 Inductive sensor for target parameter detection and magnetic image feature determination Nov. 5, 2002
6446018 Method for compensating variations of a wheel speed sensor Sep. 3, 2002
6412329 Method of and apparatus for reducing vibrations on probes carried by coordinate measuring machines Jul. 2, 2002
6401036 Heading and position error-correction method and apparatus for vehicle navigation systems Jun. 4, 2002
6230107 Vehicle speed detection system May. 8, 2001
6194850 System and method for determining true ground speed in a locomotive Feb. 27, 2001
6192299 Method of measuring operation characteristic of proportional electromagnetic control valve, method of controlling operation of hydraulic cylinder, and method of modifying operation characteris Feb. 20, 2001
6148269 Wheel diameter calibration system for vehicle slip/slide control Nov. 14, 2000
6087826 Device for detecting electromagnetic stray effects in systems with at least two inductive sensors providing periodic output signal Jul. 11, 2000

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