KR920006745A - 광학식 부호기 - Google Patents

광학식 부호기 Download PDF

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Publication number
KR920006745A
KR920006745A KR1019910015496A KR910015496A KR920006745A KR 920006745 A KR920006745 A KR 920006745A KR 1019910015496 A KR1019910015496 A KR 1019910015496A KR 910015496 A KR910015496 A KR 910015496A KR 920006745 A KR920006745 A KR 920006745A
Authority
KR
South Korea
Prior art keywords
lens
light source
array substrate
lens array
optical encoder
Prior art date
Application number
KR1019910015496A
Other languages
English (en)
Other versions
KR940008195B1 (ko
Inventor
칸지 니시이
히로유끼 카와무라
마사미 이또
아쯔시 후꾸이
Original Assignee
다니이 아끼오
마쯔시다덴기산교 가부시기가이샤
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 다니이 아끼오, 마쯔시다덴기산교 가부시기가이샤 filed Critical 다니이 아끼오
Publication of KR920006745A publication Critical patent/KR920006745A/ko
Application granted granted Critical
Publication of KR940008195B1 publication Critical patent/KR940008195B1/ko

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Classifications

    • 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
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light
    • 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
    • G01D5/347—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 using displacement encoding scales
    • G01D5/34707—Scales; Discs, e.g. fixation, fabrication, compensation
    • G01D5/34715—Scale reading or illumination devices
    • 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

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Optical Transform (AREA)

Abstract

내용 없음

Description

광학식 부호기
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명의 광학식부호기의 제1실시예의 구성도,
제2도는 동 실시예의 동작 설명도,
제3도는 동 실시예에 있어서의 출력신호의 파형도.

Claims (2)

  1. 광원과, 상기 광원으로부터 출사되는 광속을 대략 평행화하는 평행광화수단과, 투명기판상에 렌즈를 일정피치로 형성해서 이루어진 렌즈어레이기판과, 상기 렌즈어레이기판상의 상기 렌즈의 뒤쪽 초점위치근처에 배치한 광검출기를 구비한 것을 특징으로 하는 광학식 부호기.
  2. 광원과, 상기 광원으로부터의 출사되는 광속을 대략 평행화하는 평행광화수단과, 투명기판상에 렌즈를 일정 피치로 형성해서 이루어진 렌즈어레이기판과, 상기 렌즈 어레이기판상의 상기 렌즈의 뒤쪽 초점위치 근처에 배치한 2개의 독립한 광검출부로 이루어진 광검출부와, 상기 2개의 독립한 검출부의 출력신호를 합성하는 신호 합성회로를 구비한 것을 특징으로 하는 광학식부호기.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019910015496A 1990-09-05 1991-09-05 광학식 부호기 KR940008195B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2236791A JPH087082B2 (ja) 1990-09-05 1990-09-05 光学式エンコーダ
JP2-236791 1990-09-05

Publications (2)

Publication Number Publication Date
KR920006745A true KR920006745A (ko) 1992-04-28
KR940008195B1 KR940008195B1 (ko) 1994-09-08

Family

ID=17005848

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019910015496A KR940008195B1 (ko) 1990-09-05 1991-09-05 광학식 부호기

Country Status (6)

Country Link
US (1) US5153437A (ko)
EP (1) EP0474149B1 (ko)
JP (1) JPH087082B2 (ko)
KR (1) KR940008195B1 (ko)
CA (1) CA2050385C (ko)
DE (1) DE69111943T2 (ko)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69304102T3 (de) * 1992-01-31 2004-06-03 Matsushita Electric Industrial Co., Ltd., Kadoma Gerät mit mehreren synchron rotierenden Wellen
US5216534A (en) * 1992-04-24 1993-06-01 E-Systems, Inc. Read-write head for an optical tape recorder
US5367934A (en) * 1993-04-29 1994-11-29 Calcomp Inc. Media cutter mechanism
US5368291A (en) * 1993-04-30 1994-11-29 Calcomp, Inc. Media stripper mechanism
JPH07167677A (ja) * 1993-12-15 1995-07-04 Nippon Hikyumen Lens Kk エンコーダ
GB2308441B (en) * 1995-12-22 1999-09-01 Ramar Technology Ltd Rotation sensor
GB2318634B (en) * 1996-10-25 2000-09-06 Tseng Hsin Te Optical encoder and method of reading encoded optical signal
JPH10239108A (ja) * 1997-02-21 1998-09-11 Fanuc Ltd 光学式エンコーダ
CA2214193A1 (en) * 1997-10-20 1999-04-20 Pat Sin Hao Optical encoder
DE59807993D1 (de) 1997-10-23 2003-05-22 Siemens Ag Drehmomentmessung mit hohlspiegeln an der rotierenden welle
US6016185A (en) * 1997-10-23 2000-01-18 Hugle Lithography Lens array photolithography
JPH11201779A (ja) * 1998-01-07 1999-07-30 Fanuc Ltd 光学式エンコーダ
CA2236772C (en) * 1998-06-02 2003-07-29 Ching Shun Wang Focusing-type calculating means
US6396042B1 (en) 1999-10-19 2002-05-28 Raytheon Company Digital laser image recorder including delay lines
US20030160957A1 (en) * 2000-07-14 2003-08-28 Applera Corporation Scanning system and method for scanning a plurality of samples
US6563581B1 (en) * 2000-07-14 2003-05-13 Applera Corporation Scanning system and method for scanning a plurality of samples
US6837318B1 (en) * 2003-03-28 2005-01-04 Hanna Craig Rescue and exploration apparatus
JP4481137B2 (ja) * 2003-11-13 2010-06-16 アスモ株式会社 モータ、回転制御装置、及び回転検出回路
DE102004027226A1 (de) * 2004-06-03 2005-12-29 Methode Electronics Malta Ltd. Träger mit zumindest einer durchleuchteten optischen Positionsmarke
JP4650361B2 (ja) * 2006-07-14 2011-03-16 ヤマハ株式会社 光学系シャッタ体
EP2176626A4 (en) * 2007-08-08 2011-03-30 Eliezer Zeichner CODING DEVICE, SYSTEM AND METHOD
CN103823281B (zh) * 2014-02-27 2016-06-29 珠海保税区光联通讯技术有限公司 多通道光接收组件
DE102021112648A1 (de) 2021-05-17 2022-11-17 Sick Ag Gebervorrichtung und Verfahren zur Bestimmung einer kinematischen Größe einer Relativbewegung

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4440155A (en) * 1981-07-17 1984-04-03 Reynolds & Taylor, Inc. Solar concentrating lens and receiver
JPS58150920A (ja) * 1982-03-04 1983-09-07 Nippon Kogaku Kk <Nikon> 焦点検出装置
JPS6323613U (ko) * 1986-07-30 1988-02-16
JPH01199115A (ja) * 1988-02-04 1989-08-10 Matsushita Electric Ind Co Ltd 光電式エンコーダ
US4979827A (en) * 1988-02-26 1990-12-25 Kabushiki Kaisha Okuma Tekkosho Optical linear encoder
JPH0627654B2 (ja) * 1988-09-07 1994-04-13 株式会社日立製作所 移動体の位置や速度を光学的に検出する装置
JPH073343B2 (ja) * 1988-11-28 1995-01-18 日本ビクター株式会社 反射型光学式エンコーダ装置
US5073710A (en) * 1989-09-21 1991-12-17 Copal Company Limited Optical displacement detector including a displacement member's surface having a diffractive pattern and a holographic lens pattern

Also Published As

Publication number Publication date
KR940008195B1 (ko) 1994-09-08
CA2050385A1 (en) 1992-03-06
DE69111943D1 (de) 1995-09-14
US5153437A (en) 1992-10-06
CA2050385C (en) 1994-11-22
EP0474149B1 (en) 1995-08-09
DE69111943T2 (de) 1996-04-11
EP0474149A2 (en) 1992-03-11
JPH04115122A (ja) 1992-04-16
EP0474149A3 (en) 1994-06-15
JPH087082B2 (ja) 1996-01-29

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