H03M1/30 - CPC Classification Index

ClassID:

222390 ⎘

H03M1/30 - CPC Classification

Classification description:

Analogue/digital conversion; Digital/analogue conversion; Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental

Sub-classes:

H03M1/301 » {Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors } 13
H03M1/303 » {Circuits or methods for processing the quadrature signals} 28
H03M1/308 » {with additional pattern means for determining the absolute position, e.g. reference marks} 12

Recent Application in this class:

20230021989

2023-01-26

Incremental analog-to-digital converter and circuit system using the same

20200076443

2020-03-05

Optical encoder systems and methods

20150377651

2015-12-31

Through bias pole for IGMR speed sensing

20130187581

2013-07-25

Method and arrangement for determining the dynamic state of an electric motor

20110298451

2011-12-08

Through bias pole for IGMR speed sensing

20110057822

2011-03-10

Pulse generating device, rotator module, rotational speed control device, and image forming apparatus

20080129549

2008-06-05

System and method for encoder failure detection

20070152856

2007-07-05

Encoder count error detection circuitry and encoder count error detection method

20070075230

2007-04-05

Method and system of detecting eccentricity and up/down movement of a code wheel of an optical encoder set