JPH0441851B2 - - Google Patents

Info

Publication number
JPH0441851B2
JPH0441851B2 JP60265338A JP26533885A JPH0441851B2 JP H0441851 B2 JPH0441851 B2 JP H0441851B2 JP 60265338 A JP60265338 A JP 60265338A JP 26533885 A JP26533885 A JP 26533885A JP H0441851 B2 JPH0441851 B2 JP H0441851B2
Authority
JP
Japan
Prior art keywords
slit
rotating shaft
slit plate
plates
rotation
Prior art date
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.)
Expired - Lifetime
Application number
JP60265338A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62123830A (ja
Inventor
Narimitsu Fujiwara
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sharp Corp
Original Assignee
Sharp Corp
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 by Sharp Corp filed Critical Sharp Corp
Priority to JP60265338A priority Critical patent/JPS62123830A/ja
Priority to US06/933,146 priority patent/US4788422A/en
Priority to DE19863640156 priority patent/DE3640156A1/de
Publication of JPS62123830A publication Critical patent/JPS62123830A/ja
Publication of JPH0441851B2 publication Critical patent/JPH0441851B2/ja
Granted 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
    • H03M1/301—Constructional details of parts relevant to the encoding mechanism, e.g. pattern carriers, pattern sensors

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Optical Transform (AREA)
  • Analogue/Digital Conversion (AREA)
JP60265338A 1985-11-25 1985-11-25 ロ−タリ−エンコ−ダ Granted JPS62123830A (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP60265338A JPS62123830A (ja) 1985-11-25 1985-11-25 ロ−タリ−エンコ−ダ
US06/933,146 US4788422A (en) 1985-11-25 1986-11-21 High resolution rotary encoder having appositely rotating disks
DE19863640156 DE3640156A1 (de) 1985-11-25 1986-11-25 Winkelkodierer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60265338A JPS62123830A (ja) 1985-11-25 1985-11-25 ロ−タリ−エンコ−ダ

Publications (2)

Publication Number Publication Date
JPS62123830A JPS62123830A (ja) 1987-06-05
JPH0441851B2 true JPH0441851B2 (instruction) 1992-07-09

Family

ID=17415796

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60265338A Granted JPS62123830A (ja) 1985-11-25 1985-11-25 ロ−タリ−エンコ−ダ

Country Status (3)

Country Link
US (1) US4788422A (instruction)
JP (1) JPS62123830A (instruction)
DE (1) DE3640156A1 (instruction)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR920005244B1 (ko) * 1988-06-29 1992-06-29 주식회사 금성사 자기테이프 기록장치의 비접촉 회전식 모드 스위치장치
JPH02208513A (ja) * 1989-02-08 1990-08-20 Mitsubishi Electric Corp ロータリーエンコーダ
US5389795A (en) * 1991-02-11 1995-02-14 Rye; Timothy W. Method and apparatus for directing air and optical signals to detect edge cracks and other absences of product
US5260583A (en) * 1991-02-11 1993-11-09 Rye Timothy W Method and apparatus for detecting edge cracks
DE4120343A1 (de) * 1991-06-20 1992-12-24 Hohner Elektrotechnik Kg Messwertaufnehmer, insbesondere zur bestimmung der umdrehungsanzahl eines drehteiles
US5534692A (en) * 1992-09-14 1996-07-09 Sony Corporation Method for detecting origin point of position sensor
US5569912A (en) * 1993-09-30 1996-10-29 U.S. Philips Corporation Optical velocity measuring with efficient use of radiation passing through patterns on discs
JPH1123322A (ja) * 1997-07-08 1999-01-29 Alps Electric Co Ltd 光学式エンコーダ
US6181423B1 (en) * 1998-10-06 2001-01-30 Jorge Uriarte Linear encoder providing engagement by engraving
CN1129776C (zh) * 1999-03-29 2003-12-03 美好精密电子股份有限公司 控制电路装置电输出的编码器
US6396052B1 (en) 2000-04-07 2002-05-28 Lexmark International, Inc. High precision analog encoder system
US6765501B1 (en) * 2002-10-31 2004-07-20 Nextengine, Inc. High performance rotary axis
US6683543B1 (en) * 2003-01-30 2004-01-27 Agilent Technologies, Inc. Absolute encoder based on an incremental encoder
US7085638B2 (en) * 2004-07-13 2006-08-01 Robert Bosch Gmbh Steering angle sensor assembly including reduction gear and logic module
DE102005047259A1 (de) * 2005-10-01 2007-04-05 Dr. Johannes Heidenhain Gmbh Positionsmesseinrichtung
JP2007202382A (ja) * 2005-12-28 2007-08-09 Mabuchi Motor Co Ltd 小型モータの光学式エンコーダ装置及びその製造方法
CN103644864B (zh) * 2013-12-17 2017-05-03 广东工业大学 一种提高角度编码器分辨率及测量精度的机械装置
WO2018205260A1 (en) * 2017-05-12 2018-11-15 Texas Instruments Incorporated Capacitive-sensing rotary encoders and methods
CN110869709B (zh) 2017-05-12 2022-01-21 德州仪器公司 用以确定电机的可旋转轴的位置的方法及设备

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4731447U (instruction) * 1971-04-20 1972-12-08
US3770970A (en) * 1972-03-15 1973-11-06 Trump Ross Ind Controls Inc Shaft angle encoder
IT1052772B (it) * 1975-12-31 1981-07-20 Olivetti C E C S P A Dispositivo per rilevare la posizione angolare di un organo rotante..per esempio una testina di scrittura di una macchina per ufficio
JPS5741688Y2 (instruction) * 1977-01-25 1982-09-13
DE2732272C2 (de) * 1977-07-16 1979-07-05 Deutsches Krebsforschungszentrum Stiftung Des Oeffentlichen Rechts, 6900 Heidelberg Verfahren und Vorrichtung zur Fluoreszenzanalyse von gefärbten Partikeln, insbesondere biologischen Zellen
US4358753A (en) * 1981-03-16 1982-11-09 Rockwell International Corporation High resolution shaft position encoder
DE3311204A1 (de) * 1983-03-26 1984-10-04 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Inkrementale laengen- oder winkelmesseinrichtung
US4573796A (en) * 1984-01-06 1986-03-04 The United States Of America As Represented By The United States Department Of Energy Apparatus for eliminating background interference in fluorescence measurements

Also Published As

Publication number Publication date
US4788422A (en) 1988-11-29
DE3640156A1 (de) 1987-06-04
DE3640156C2 (instruction) 1988-12-29
JPS62123830A (ja) 1987-06-05

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees