JPH0376428B2 - - Google Patents

Info

Publication number
JPH0376428B2
JPH0376428B2 JP57152014A JP15201482A JPH0376428B2 JP H0376428 B2 JPH0376428 B2 JP H0376428B2 JP 57152014 A JP57152014 A JP 57152014A JP 15201482 A JP15201482 A JP 15201482A JP H0376428 B2 JPH0376428 B2 JP H0376428B2
Authority
JP
Japan
Prior art keywords
light receiving
light
pitch
photodiode
slit
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
JP57152014A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5940258A (ja
Inventor
Kyoshi Ebina
Wahei Nakao
Yoshihei Tani
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 JP57152014A priority Critical patent/JPS5940258A/ja
Priority to US06/521,933 priority patent/US4654525A/en
Priority to EP83304927A priority patent/EP0102241B1/fr
Priority to DE8383304927T priority patent/DE3380038D1/de
Publication of JPS5940258A publication Critical patent/JPS5940258A/ja
Publication of JPH0376428B2 publication Critical patent/JPH0376428B2/ja
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/24471—Error correction
    • G01D5/24476—Signal processing
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
    • G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
    • G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
    • G01D5/36—Forming the light into pulses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/42—Devices characterised by the use of electric or magnetic means
    • G01P3/44—Devices characterised by the use of electric or magnetic means for measuring angular speed
    • G01P3/48—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage
    • G01P3/481—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals
    • G01P3/486—Devices characterised by the use of electric or magnetic means for measuring angular speed by measuring frequency of generated current or voltage of pulse signals delivered by photo-electric detectors
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Optical Transform (AREA)
  • Linear Or Angular Velocity Measurement And Their Indicating Devices (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
JP57152014A 1982-08-31 1982-08-31 光電式ロ−タリ−エンコ−ダ Granted JPS5940258A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP57152014A JPS5940258A (ja) 1982-08-31 1982-08-31 光電式ロ−タリ−エンコ−ダ
US06/521,933 US4654525A (en) 1982-08-31 1983-08-10 Optical rotary encoder
EP83304927A EP0102241B1 (fr) 1982-08-31 1983-08-25 Codeur optique de rotation
DE8383304927T DE3380038D1 (en) 1982-08-31 1983-08-25 Optical rotary encoder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57152014A JPS5940258A (ja) 1982-08-31 1982-08-31 光電式ロ−タリ−エンコ−ダ

Publications (2)

Publication Number Publication Date
JPS5940258A JPS5940258A (ja) 1984-03-05
JPH0376428B2 true JPH0376428B2 (fr) 1991-12-05

Family

ID=15531172

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57152014A Granted JPS5940258A (ja) 1982-08-31 1982-08-31 光電式ロ−タリ−エンコ−ダ

Country Status (1)

Country Link
JP (1) JPS5940258A (fr)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0614067B2 (ja) * 1985-04-28 1994-02-23 マツダ株式会社 回転検出装置
US4691101A (en) * 1985-06-19 1987-09-01 Hewlett-Packard Company Optical positional encoder comprising immediately adjacent detectors
JPH0532823U (ja) * 1991-10-08 1993-04-30 株式会社リズム ボールジヨイント
US5820462A (en) * 1994-08-02 1998-10-13 Nintendo Company Ltd. Manipulator for game machine
MX9700278A (es) * 1995-05-10 1997-05-31 Nintendo Co Ltd Dispositivo de operacion con palanca de mando analogica.
US6283857B1 (en) 1996-09-24 2001-09-04 Nintendo Co., Ltd. Three-dimensional image processing apparatus with enhanced automatic and user point of view control
EP0797139B1 (fr) 1995-10-09 2003-06-18 Nintendo Co., Limited Systeme de traitement d'images tridimensionnelles
JPH09167050A (ja) * 1995-10-09 1997-06-24 Nintendo Co Ltd 操作装置およびそれを用いる画像処理システム
JP3544268B2 (ja) * 1995-10-09 2004-07-21 任天堂株式会社 三次元画像処理装置およびそれを用いた画像処理方法
WO1997017651A1 (fr) * 1995-11-10 1997-05-15 Nintendo Co., Ltd. Systeme de manche a balai
US6241610B1 (en) 1996-09-20 2001-06-05 Nintendo Co., Ltd. Three-dimensional image processing system having dynamically changing character polygon number
JP2001066155A (ja) * 1999-08-31 2001-03-16 Harmonic Drive Syst Ind Co Ltd レンズを用いた結像方式エンコーダ
DE19963809C2 (de) * 1999-12-30 2002-01-17 Osram Opto Semiconductors Gmbh Optischer Encoder mit dreifacher Photodiode
JP2005017116A (ja) * 2003-06-26 2005-01-20 Sharp Corp 光学式エンコーダ用受光素子
JP2008083019A (ja) 2006-08-30 2008-04-10 Sharp Corp 光電式エンコーダおよびそれを用いた電子機器
US7820957B2 (en) 2007-07-05 2010-10-26 Sharp Kabushiki Kaisha Optical encoder for detecting movement of a moving object and electronic equipment including the optical encoder
JP5507174B2 (ja) * 2009-09-25 2014-05-28 システム・インスツルメンツ株式会社 筋力トレーニング機械の運動状況検出装置
JP6123024B2 (ja) 2014-04-25 2017-04-26 シャープ株式会社 光学式エンコーダ

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4919867A (fr) * 1972-03-20 1974-02-21
JPS5232380A (en) * 1975-09-05 1977-03-11 Yaskawa Electric Mfg Co Ltd Photoelectric type revolution speed detector
JPS5235302A (en) * 1975-09-12 1977-03-17 Nippon Denso Co Ltd Liquid supplypump

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54184184U (fr) * 1978-06-16 1979-12-27
JPS55130213U (fr) * 1979-03-08 1980-09-13

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4919867A (fr) * 1972-03-20 1974-02-21
JPS5232380A (en) * 1975-09-05 1977-03-11 Yaskawa Electric Mfg Co Ltd Photoelectric type revolution speed detector
JPS5235302A (en) * 1975-09-12 1977-03-17 Nippon Denso Co Ltd Liquid supplypump

Also Published As

Publication number Publication date
JPS5940258A (ja) 1984-03-05

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