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Class Information
Number: 341/116
Name: Coded data generation or conversion > Phase or time of phase change > Synchro or resolver signal > Analog resolver or synchro signal to digital signal
Description: Subject matter for converting from an angular position of a resolver or synchro rotor relative to a reference position to a digital signal.










Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8633667 Semiconductor integrated circuit device Jan. 21, 2014
8514111 Hybrid digital-to-synchro converter unit Aug. 20, 2013
8514110 Resolver digital converter Aug. 20, 2013
8384570 Encoder interpolator with enhanced precision Feb. 26, 2013
8332451 Programmable CORDIC Processor Dec. 11, 2012
8274414 Signal amplitude adjustment to improve resolver-to-digital converter performance Sep. 25, 2012
8237599 Analog-to-digital converter in a motor control device Aug. 7, 2012
8228217 Filter for the suppression of noise in resolver-to-digital converters Jul. 24, 2012
8193955 Modular units for synchro-to-digital conversion and digital-to-synchro conversion Jun. 5, 2012
8188896 Digital converter for processing resolver signal May. 29, 2012
8159173 Control device for controlling travel motor of vehicle Apr. 17, 2012
8058833 Fine resolution motor control Nov. 15, 2011
8004276 Reference signal generation circuit, angle converter, and angle detection apparatus Aug. 23, 2011
7864075 Rotary electrostatic encoder Jan. 4, 2011
7817070 Method and apparatus for sampling and converting a signal Oct. 19, 2010
7773008 Method and apparatus for sampling and converting a signal Aug. 10, 2010
7768431 R/D converter and angle detecting apparatus Aug. 3, 2010
7692566 Angle detection device Apr. 6, 2010
7663520 A/D conversion apparatus Feb. 16, 2010
7652602 Signal interface circuit Jan. 26, 2010
7549916 Cabin pressure control system and method that implements high-speed sampling and averaging techniques to compute cabin pressure rate of change Jun. 23, 2009
7541951 Tracking loop type digital angle converter and angle/digital converting apparatus Jun. 2, 2009
7538700 Angular position detector and rotary electric device drive unit including the same May. 26, 2009
7535982 Method and apparatus for adjusting phase of sampling frequency of ADC May. 19, 2009
7535382 High speed quadrature counter May. 19, 2009
7496462 Encoding signal processing device and signal processing method therefor Feb. 24, 2009
7489260 Resolver hall decoding circuit Feb. 10, 2009
7456603 Phase detection circuit, resolver/digital converter using the circuit, and control system using the converter Nov. 25, 2008
7432836 Multiplexed signal conditioner Oct. 7, 2008
7417571 Method for providing a correlation Aug. 26, 2008
7382295 Control unit for electric power steering apparatus Jun. 3, 2008
7352305 Method and circuit for interpolating encoder output Apr. 1, 2008
7352304 Interpolation apparatus in encoder Apr. 1, 2008
7321113 Precision material-handling robot employing high-resolution, compact absolute encoder Jan. 22, 2008
7253395 Absolute encoder employing concatenated, multi-bit, interpolated sub-encoders Aug. 7, 2007
7205916 Digital method and apparatus for resolving shaft position Apr. 17, 2007
7199727 Electrostatic encoder and electrostatic displacement measuring method Apr. 3, 2007
7196643 Resolver arrangement Mar. 27, 2007
7194394 Method and apparatus for detecting and correcting inaccuracies in curve-fitted models Mar. 20, 2007
7187309 Angle computation method and apparatus for variable reluctance resolver Mar. 6, 2007
7126514 Inverter control device and inverter control method Oct. 24, 2006
7119717 Encoder output divider and R/D converter Oct. 10, 2006
7064692 Solid-state synchro/resolver converter Jun. 20, 2006
7047145 Compensation method of resolver detected position May. 16, 2006
7046176 Rotary encoder May. 16, 2006
7015840 Resolver/digital converter Mar. 21, 2006
7012399 Position detector correction method and electrically-powered steering apparatus Mar. 14, 2006
7012397 Encoder and control apparatus for motor Mar. 14, 2006
7009535 Resolver/digital converter and control apparatus using the same Mar. 7, 2006
6972700 Resolver/digital converter and control apparatus using the same Dec. 6, 2005

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