ClassID:

222420

H03M1/485 - CPC Classification

Classification description:

Analogue/digital conversion; Digital/analogue conversion; Analogue/digital converters; Servo-type converters for position encoding, e.g. using resolvers or synchros

Recent Application in this class:
#1
20250183908
2025-06-05

PROPAGATION DELAY COMPENSATION AND INTERPOLATION FILTER

#2
20240213898
2024-06-27

Resolver-to-digital conversion with rotation speed offset

#3
20240178856
2024-05-30

Propagation delay compensation and interpolation filter

#4
20220404174
2022-12-22

Position detection by an inductive position sensor

#5
20210285753
2021-09-16

Propagation delay compensation and interpolation filter

#6
20210213837
2021-07-15

Systems and methods to determine and validate torque of an electric machine

#7
20210184690
2021-06-17

Apparatus and method for processing resolver signal

#8
20200225062
2020-07-16

High speed AC input sensor conversion

#9
20200099387
2020-03-26

Encoder and control system

#10
20200011708
2020-01-09

Resolver/LVDT odd harmonic distortion compensation

#11
20190296761
2019-09-26

System and method for demodulation of resolver outputs

#12
20190293429
2019-09-26

System and method for dual speed resolver

#13
20190033095
2019-01-31

Position sensing system

#14
20180323797
2018-11-08

Semiconductor device

#15
20180316362
2018-11-01

Resolver to digital conversion apparatus and method

#16
20180205391
2018-07-19

Resolver to digital conversion apparatus and method

#17
20180097465
2018-04-05

Semiconductor device, motor control system, and control method for semiconductor device

#18
20170343384
2017-11-30

Resolver device

#19
20170250701
2017-08-31

Signal processor and control apparatus

#20
20160332307
2016-11-17

Compact resolver pre-amplification assembly (RPA) module

#21
20160226508
2016-08-04

Semiconductor device

#22
20150130512
2015-05-14

Encoder

#23
20150097709
2015-04-09

Resolver-to-digital converter

#24
20110090104
2011-04-21

Digital converter for processing resolver signal

#25
20100270955
2010-10-28

Motor drive control device

#26
20100214139
2010-08-26

Interpolation accuracy improvement in motion encoder systems, devices and methods

#27
20100207615
2010-08-19

Method and device to determine a relative position using a resolver

#28
20100176975
2010-07-15

RD converter and angle detecting apparatus

#29
20100148801
2010-06-17

CAPACITANCE-TYPE ENCODER

#30
20100045489
2010-02-25

Rotary electrostatic encoder

#31
20100001778
2010-01-07

A/B-phase signal generator, RD converter and angle detection unit

#32
20090179634
2009-07-16

Clock generation circuit, analog-digital angle converter using the same, and angle detection apparatus

#33
20090160687
2009-06-25

R/D converter and angle detecting apparatus

#34
20090160436
2009-06-25

Reference signal generation circuit, angle converter, and angle detection apparatus

#35
20090058349
2009-03-05

Angle-calculation apparatus and angle-calculation method for three-phase optical encoder

#36
20080284366
2008-11-20

Apparatus and methods for diagnosing motor-resolver system faults

#37
20080218391
2008-09-11

Tracking loop type digital angle converter and angle/digital converting apparatus

#38
20070029955
2007-02-08

Phase detection circuit, resolver/digital converter using the circuit, and control system using the converter

#39
20060266931
2006-11-30

Optical encoder photodetector array with multiple resolutions

#40
20060132338
2006-06-22

Angle detection apparatus computing phase differences between first and second phase angles

#41
20050182591
2005-08-18

Encoder and control apparatus for motor

#42
16820192
2020-12-01

Propagation delay compensation and interpolation filter

#43
15909248
2018-09-25

Phase modulation-type redundant two-phase-output resolver and signal output method thereof

#44
15487055
2018-05-01

Analog to digital converters

#45
13905208
2014-08-05

Smart synchro generator unit