JPH0351316U - - Google Patents

Info

Publication number
JPH0351316U
JPH0351316U JP1989110334U JP11033489U JPH0351316U JP H0351316 U JPH0351316 U JP H0351316U JP 1989110334 U JP1989110334 U JP 1989110334U JP 11033489 U JP11033489 U JP 11033489U JP H0351316 U JPH0351316 U JP H0351316U
Authority
JP
Japan
Prior art keywords
light
receiving element
emitting element
detection device
shaft
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.)
Pending
Application number
JP1989110334U
Other languages
English (en)
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
Priority to JP1989110334U priority Critical patent/JPH0351316U/ja
Priority to KR2019900012332U priority patent/KR930008220Y1/ko
Priority to DE4028969A priority patent/DE4028969C2/de
Priority to US07/585,470 priority patent/US5113693A/en
Publication of JPH0351316U publication Critical patent/JPH0351316U/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B11/00—Measuring arrangements characterised by the use of optical techniques
    • 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
    • G01D5/366—Particular pulse shapes
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02P—IGNITION, OTHER THAN COMPRESSION IGNITION, FOR INTERNAL-COMBUSTION ENGINES; TESTING OF IGNITION TIMING IN COMPRESSION-IGNITION ENGINES
    • F02P7/00—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices
    • F02P7/06—Arrangements of distributors, circuit-makers or -breakers, e.g. of distributor and circuit-breaker combinations or pick-up devices of circuit-makers or -breakers, or pick-up devices adapted to sense particular points of the timing cycle
    • F02P7/073—Optical pick-up devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Optical Transform (AREA)
  • Length Measuring Devices By Optical Means (AREA)

Description

【図面の簡単な説明】
第１図及び第２図はこの考案の一実施例による
ホルダを示す斜視図及び平面図、第３図はこの考
案の別の考案の一実施例によるホルダの窓部を示
す断面図、第４図はこの考案の一実施例による電
気信号及びパルス信号を示す波形図、第５図はこ
の考案の別の考案の他の実施例によるホルダの窓
部を示す断面図、第６図は一般的な回転角度検出
装置を示す断面図、第７図は第６図内の回転板を
示す平面図、第８図は第６図内のホルダを示す斜
視図、第９図は従来のホルダの窓部を示す断面図
、第１０図は第６図内の電子回路の波形整形部を
示す回路図、第１１図は従来装置による電気信号
及びパルス信号を示す波形図、第１２図は光量と
ギヤツプとの関係を示す特性図である。 １……シヤフト、２……回転板、３……発光素
子、４……受光素子、５……ホルダ、７……電子
回路、１０……スリツト、１１Ａ……窓部、Ｅ…
…電気信号、Ｐ……パルス信号、Ｆ′……窓部の
エツジ部、Ｇ′……発光素子及び受光素子間のギ
ヤツプ。尚、図中、同一符号は同一又は相当部分
を示す。

Claims (1)

  1. 【実用新案登録請求の範囲】 (1) クランク軸と同期して回転するシヤフトに
    一体に設けられ、前記シヤフトの回転中心から一
    定距離の円周上に扇形のスリツトを有する回転板
    と、 前記スリツトに対応し且つ互いに対向するよう
    に前記回転板の両面側に配置された発光素子及び
    受光素子と、 前記発光素子及び前記受光素子にそれぞれ対応
    する窓部を有するホルダと、 前記発光素子を駆動すると共に前記受光素子か
    ら生成される電気信号を波形整形してパルス信号
    を出力するための電子回路と、 を備えた回転角度検出装置において、 前記窓部の平面形状を扇形にしたことを特徴と
    する回転角度検出装置。 (2) クランク軸と同期して回転するシヤフトに
    一体に設けられ、前記シヤフトの回転中心から一
    定距離の円周上に扇形のスリツトを有する回転板
    と、 前記スリツトに対応し且つ互いに対向するよう
    に前記回転板の両面側に配置された発光素子及び
    受光素子と、 前記発光素子及び前記受光素子を保持固定する
    と共に前記発光素子及び前記受光素子にそれぞれ
    対応する窓部を有するホルダと、 前記発光素子を駆動すると共に前記受光素子か
    ら生成される電気信号を波形整形してパルス信号
    を出力するための電子回路と、 を備えた回転角度検出装置において、 前記窓部の断面形状を前記発光素子及び前記受
    光素子の外周面に合わせた円弧状にしたことを特
    徴とする回転角度検出装置。
JP1989110334U 1989-09-22 1989-09-22 Pending JPH0351316U (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP1989110334U JPH0351316U (ja) 1989-09-22 1989-09-22
KR2019900012332U KR930008220Y1 (ko) 1989-09-22 1990-08-16 회전각도 검출장치
DE4028969A DE4028969C2 (de) 1989-09-22 1990-09-12 Signalerzeuger für eine Drehlagegeber-Einrichtung
US07/585,470 US5113693A (en) 1989-09-22 1990-09-20 Rotational position detecting apparatus with a signal generator

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989110334U JPH0351316U (ja) 1989-09-22 1989-09-22

Publications (1)

Publication Number Publication Date
JPH0351316U true JPH0351316U (ja) 1991-05-20

Family

ID=14533115

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989110334U Pending JPH0351316U (ja) 1989-09-22 1989-09-22

Country Status (4)

Country Link
US (1) US5113693A (ja)
JP (1) JPH0351316U (ja)
KR (1) KR930008220Y1 (ja)
DE (1) DE4028969C2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6047223B1 (ja) * 2015-12-22 2016-12-21 セイコークロック株式会社 指針位置検出構造および時計

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5572019A (en) * 1991-03-12 1996-11-05 Canon Kabushiki Kaisha Encoder with varying width light receiver and apparatus having the encoder
US5355865A (en) * 1992-07-10 1994-10-18 Mitsubishi Denki Kabushiki Kaisha Crankshaft angle sensor for an internal combustion engine
DE19640109A1 (de) * 1996-09-28 1998-04-02 Hengstler Gmbh Blendenelement für einen Dreh- oder Lineargeber
GB2318634B (en) * 1996-10-25 2000-09-06 Tseng Hsin Te Optical encoder and method of reading encoded optical signal
ES2524321T5 (es) * 2004-03-17 2018-10-23 Fagor, S.Coop. Encoder óptico
DE102005004248A1 (de) * 2005-01-28 2006-08-03 Johann A. Krause Maschinenfabrik Gmbh Verfahren zur Ermittlung mindestens der Position eines bewegten Bauteils eines Antriebsaggregats, wie Verbrennungsmotor, Getriebe oder dergleichen
US7454961B2 (en) * 2006-01-19 2008-11-25 Tom Pirone System and method for sensing position of a motorcycle crankshaft
FR2937129B1 (fr) * 2008-10-10 2012-11-16 Thales Sa Codeur optique
DE102014207016A1 (de) * 2014-04-11 2015-10-15 Bayerische Motoren Werke Aktiengesellschaft Verfahren und Vorrichtung zum Überprüfen eines Ventiltriebs bei einem Verbrennungsmotor

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726007B2 (ja) * 1977-11-30 1982-06-02
JPS6255113B2 (ja) * 1980-11-18 1987-11-18 Nippon Electric Co
JPS6347223B2 (ja) * 1982-06-30 1988-09-21 Iwasaki Electric Co Ltd

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6053190B2 (ja) * 1976-10-15 1985-11-25 株式会社デンソー 回転基準位置検出装置
JPS56133607A (en) * 1980-03-24 1981-10-19 Hitachi Ltd Rotation-angle detector
JPS5814012A (ja) * 1981-07-18 1983-01-26 Hitachi Ltd 配電器の回転角度検出装置
JPS60107520A (ja) * 1983-11-15 1985-06-13 Matsushita Electric Works Ltd 光学式ロ−タリ−エンコ−ダ
JPS60148909U (ja) * 1984-03-14 1985-10-03 日産自動車株式会社 クランク角検出装置
DE3429648A1 (de) * 1984-08-11 1986-02-13 Dr. Johannes Heidenhain Gmbh, 8225 Traunreut Lagemesseinrichtung
JPS63142203A (ja) * 1986-12-05 1988-06-14 Hitachi Ltd エンジンの回転角度及び回転位置検出装置
US4866268A (en) * 1988-05-20 1989-09-12 General Motors Corporation Optical fast synchronization shaft position and speed sensor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5726007B2 (ja) * 1977-11-30 1982-06-02
JPS6255113B2 (ja) * 1980-11-18 1987-11-18 Nippon Electric Co
JPS6347223B2 (ja) * 1982-06-30 1988-09-21 Iwasaki Electric Co Ltd

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6047223B1 (ja) * 2015-12-22 2016-12-21 セイコークロック株式会社 指針位置検出構造および時計
CN106909063A (zh) * 2015-12-22 2017-06-30 精工时钟有限公司 指针位置检测结构和钟表

Also Published As

Publication number Publication date
DE4028969A1 (de) 1991-04-04
US5113693A (en) 1992-05-19
DE4028969C2 (de) 1995-07-20
KR930008220Y1 (ko) 1993-12-13
KR910006156U (ko) 1991-04-24

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