H03M1/28 - CPC Classification Index

ClassID:

222386 ⎘

H03M1/28 - 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

Sub-classes:

H03M1/282 » {of the pattern-shifting type, e.g. pseudo-random chain code} 11
H03M1/285 » {of the unit Hamming distance type, e.g. Gray code} 17
H03M1/287 » {using gradually changing slit width or pitch within one track; using plural tracks having slightly different pitches, e.g. of the Vernier or nonius type} 7
H03M1/30 » incremental 9

Recent Application in this class:

20140043186

2014-02-13

System, method and apparatus for radio frequency based location and tracking

20120313623

2012-12-13

System that obtains a switching point with the encoder in a static position

20100072988

2010-03-25

System that obtains a switching point with the encoder in a static position

20090277033

2009-11-12

Measuring device for determining a position and/or a speed

20080284549

2008-11-20

Fault tolerant solid state push button control system with built in diagnostic

20070278392

2007-12-06

Multi-bit absolute position optical encoder with reduced number of tracks