JPS49102374A - - Google Patents

Info

Publication number
JPS49102374A
JPS49102374A JP48120357A JP12035773A JPS49102374A JP S49102374 A JPS49102374 A JP S49102374A JP 48120357 A JP48120357 A JP 48120357A JP 12035773 A JP12035773 A JP 12035773A JP S49102374 A JPS49102374 A JP S49102374A
Authority
JP
Japan
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP48120357A
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Publication of JPS49102374A publication Critical patent/JPS49102374A/ja
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/22—Analogue/digital converters pattern-reading type
    • H03M1/24—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip
    • H03M1/28—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding
    • H03M1/30—Analogue/digital converters pattern-reading type using relatively movable reader and disc or strip with non-weighted coding incremental
JP48120357A 1972-10-25 1973-10-25 Pending JPS49102374A (ja)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00300771A US3824587A (en) 1972-10-25 1972-10-25 Dual mode angle encoder

Publications (1)

Publication Number Publication Date
JPS49102374A true JPS49102374A (ja) 1974-09-27

Family

ID=23160516

Family Applications (1)

Application Number Title Priority Date Filing Date
JP48120357A Pending JPS49102374A (ja) 1972-10-25 1973-10-25

Country Status (4)

Country Link
US (1) US3824587A (ja)
JP (1) JPS49102374A (ja)
CA (1) CA995818A (ja)
GB (1) GB1395265A (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990000720A1 (en) * 1988-07-12 1990-01-25 Furuno Electric Company, Limited Rotary encoder

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4101882A (en) * 1976-05-28 1978-07-18 The Brunton Company Data read-out system and apparatus useful for angular measurements
FR2430601A1 (fr) * 1978-07-06 1980-02-01 Ducellier & Cie Capteur opto electronique de deplacement longitudinal
US4258812A (en) * 1979-01-02 1981-03-31 Pfeiffer John E Self-contained portable electrically sensed bathroom scale
JPS622271Y2 (ja) * 1979-02-08 1987-01-20
US4338518A (en) * 1980-09-12 1982-07-06 The Singer Company Position encoder with column scanning and row sensing
US4439764A (en) * 1981-04-09 1984-03-27 Westinghouse Electric Corp. Dual mode meter reading apparatus
JPS5871726A (ja) * 1981-10-26 1983-04-28 Nec Corp アナログ−デジタル変換器
US4409587A (en) * 1982-01-27 1983-10-11 The United States Of America As Represented By The Secretary Of The Air Force Altimeter code converter
JPS5980186A (ja) 1982-10-26 1984-05-09 Fanuc Ltd モ−タのロ−タ位置検出回路
US4464843A (en) * 1982-11-26 1984-08-14 The Brunton Company Angular measurement apparatus with referencing system
US4654522A (en) * 1983-09-22 1987-03-31 Cts Corporation Miniature position encoder with radially non-aligned light emitters and detectors
DE3342940A1 (de) * 1983-11-26 1985-06-05 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Mehrstufiger winkelkodierer
US4687928A (en) * 1984-12-14 1987-08-18 R. H. Burton Company Position detector
US4720631A (en) * 1985-12-12 1988-01-19 The Laitram Corporation Electro-optical compass card wherein transmissive member has random patterns that repeat for particular rotational positions
GB2197146B (en) * 1986-11-04 1991-05-29 Canon Kk An encoder for detecting the displacement of an object to be measured
US5010653A (en) * 1988-02-29 1991-04-30 Digicourse, Inc. Apparatus and method for determining azimuth, pitch and roll
US4843865A (en) * 1988-02-29 1989-07-04 Digicourse, Inc. Method of calibrating a compass heading
CA2003143C (en) * 1988-12-28 1998-10-20 Robert J. Tolmie, Jr. Sensor with absolute digital output
US5254919A (en) * 1991-03-22 1993-10-19 Eastman Kodak Company Encoder system using linear array sensor for high resolution
DE4113841C2 (de) * 1991-04-27 1997-01-09 Deutsche Forsch Luft Raumfahrt Einrichtung zur Messung einer translatorischen Wegänderung
US6336362B1 (en) 1998-01-22 2002-01-08 Roy A. Duenas Method and system for measuring and remotely reporting the liquid level of tanks and the usage thereof
US6581461B1 (en) 2000-05-25 2003-06-24 Trn Business Trust Electro-optic sensor for levelmeter providing output signal with frequency modulated by surface level
US6762679B1 (en) 2000-11-06 2004-07-13 Trn Business Trust Remote monitoring adapter for levelmeter
US6606906B2 (en) * 2001-09-06 2003-08-19 Trn Business Trust Digital conversion adapter for magnetically coupled level meters
US6736006B2 (en) 2001-12-31 2004-05-18 Trn Business Trust Level detector for a material in a container
US6844541B2 (en) * 2002-02-15 2005-01-18 Methode Electronics, Inc. Rapid high resolution position sensor for auto steering
FR2845213B1 (fr) * 2002-09-27 2005-03-18 Roulements Soc Nouvelle Dispositif de pilotage d'un moteur a commutation electronique comprenant des singularites reparties angulairement
US6938478B2 (en) 2002-11-14 2005-09-06 Herman Diaz Arias Impedance level meter for liquids in tanks
US20040093939A1 (en) * 2002-11-14 2004-05-20 Arias Herman Diaz Non-contact level detector for fluids in a container
US10394325B2 (en) 2013-12-10 2019-08-27 Apple Inc. Input friction mechanism for rotary inputs of electronic devices
US9651405B1 (en) * 2015-03-06 2017-05-16 Apple Inc. Dynamic adjustment of a sampling rate for an optical encoder
US10503271B2 (en) 2015-09-30 2019-12-10 Apple Inc. Proximity detection for an input mechanism of an electronic device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2685054A (en) * 1951-04-03 1954-07-27 Us Army System for converting electrical code into shaft rotation
US2714204A (en) * 1951-04-03 1955-07-26 Lippel Bernard Translator for digital code group signals
US2685084A (en) * 1951-04-03 1954-07-27 Us Army Digital decoder
US2711499A (en) * 1953-03-04 1955-06-21 Lippel Bernard System for converting electrical code into shaft rotation
US2986726A (en) * 1957-04-08 1961-05-30 Baldwin Piano Co Analog to digital encoder
US3064889A (en) * 1961-01-03 1962-11-20 Eldorado Electronics Company Decimal readout for binary numbers
US3188626A (en) * 1961-09-15 1965-06-08 Sperry Rand Corp Analogue-to-digital-converter
US3560959A (en) * 1967-03-22 1971-02-02 Us Navy Readout device for altitude reporting encoder

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1990000720A1 (en) * 1988-07-12 1990-01-25 Furuno Electric Company, Limited Rotary encoder
GB2247581A (en) * 1988-07-12 1992-03-04 Furuno Electric Co Rotary encoder
GB2247581B (en) * 1988-07-12 1993-02-17 Furuno Electric Co Rotary encoder

Also Published As

Publication number Publication date
US3824587A (en) 1974-07-16
GB1395265A (en) 1975-05-21
CA995818A (en) 1976-08-24
AU6158673A (en) 1975-04-24

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