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Class Information
Number: 341/2
Name: Coded data generation or conversion > Digital pattern reading type converter > Plural denominationally related carriers (e.g., coarse/fine geared discs)
Description: Subject matter having a plurality of digital pattern carriers each producing an output signal portion representing a different integral power of the base or radix (denominational order) of the digital representation or an element of a combination code.

Patents under this class:
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Patent Number Title Of Patent Date Issued
8154427 Multiturn rotary encoder and method of operating a multiturn rotary encoder Apr. 10, 2012
7460030 System and method for encoder failure detection Dec. 2, 2008
7193533 Operating element with settable selectivity Mar. 20, 2007
7142132 Methods and systems for multi-state switching using at least one ternary input and at least one discrete input Nov. 28, 2006
7091884 Analog position encoder Aug. 15, 2006
7017274 Multi-turn angle transducer Mar. 28, 2006
6972404 Optical control device having a controller that controls track movement of a driven member through a drive unit with reflecting regions Dec. 6, 2005
6914543 Method for initializing position with an encoder Jul. 5, 2005
6903661 Photoconductive encoder wheel Jun. 7, 2005
6765501 High performance rotary axis Jul. 20, 2004
6683543 Absolute encoder based on an incremental encoder Jan. 27, 2004
6542088 Multiturn rotary encoder with multiple code carriers coupled by a reduction gear Apr. 1, 2003
6525675 Position encoder for determining the angle or position and the total angle on distance moved Feb. 25, 2003
6469642 Method, selector switch and selector device for securely sensing a selector switch position Oct. 22, 2002
6351224 Encoding device Feb. 26, 2002
6226569 Absolute value transmitter acting as a rotation transmitter for registration of a steering angle of a motor vehicle May. 1, 2001
6144369 Signal processing system Nov. 7, 2000
5825307 Absolute linear encoder and method of production utilizing index and counter channels Oct. 20, 1998
5650779 Position encoder Jul. 22, 1997
5457371 Binary locally-initializing incremental encoder Oct. 10, 1995
5274203 "Smart" position transducer system for elevators Dec. 28, 1993
5049879 Position encoder utilizer special gray code Sep. 17, 1991
5038243 Local initialization for incremental encoder Aug. 6, 1991
4933673 Encoder Jun. 12, 1990
4922247 Encoder mount May. 1, 1990
4901072 Position detector utilizing gray code format Feb. 13, 1990
4864302 Data entry systems for converting an analog instrument to machine-readability Sep. 5, 1989
4788422 High resolution rotary encoder having appositely rotating disks Nov. 29, 1988
4782327 Computer control Nov. 1, 1988
4740690 Absolute combinational encoders coupled through a fixed gear ratio Apr. 26, 1988
4730110 Shaft position encoder Mar. 8, 1988
4712088 Multistage angle encoder with an improved allocation of coarse code information to fine code information Dec. 8, 1987
4667096 Position measuring system comprising at least two scanning units May. 19, 1987
4555625 Precision drum encoder Nov. 26, 1985
4511798 Meter encoding register with tapered aperture in baffle insert Apr. 16, 1985
4422065 Method for readout form multiscale encoders and a multiturn absolute angle-code converter Dec. 20, 1983
4412206 Digital electrical length or angle measuring device Oct. 25, 1983
4384275 High resolution and wide range shaft position transducer systems May. 17, 1983
4377807 Coarse/fine digital pattern combiner for high accuracy Mar. 22, 1983
4363026 Position encoder update mechanism and method Dec. 7, 1982
4358753 High resolution shaft position encoder Nov. 9, 1982
4352096 Device for providing a modulo-n check character Sep. 28, 1982
4276644 Tester and method for checking meter encoders in automatic meter reading systems Jun. 30, 1981
4246478 Position detector with two timing disks rotating at different speeds Jan. 20, 1981
4224603 Device for locating the position of a movable component and especially a value-setting component in a franking machine Sep. 23, 1980
4215337 Dual-disc shaft position encoder Jul. 29, 1980
4199749 Angle coder having sprocket driven endless code tapes for determining the angular position of a rotatable shaft Apr. 22, 1980
4199676 Encoder Apr. 22, 1980
4183014 Absolute encoding apparatus Jan. 8, 1980
4154006 Coding and decoding machine May. 15, 1979

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