JPS5851211U - Rotation angle detection device - Google Patents

Rotation angle detection device

Info

Publication number
JPS5851211U
JPS5851211U JP14829381U JP14829381U JPS5851211U JP S5851211 U JPS5851211 U JP S5851211U JP 14829381 U JP14829381 U JP 14829381U JP 14829381 U JP14829381 U JP 14829381U JP S5851211 U JPS5851211 U JP S5851211U
Authority
JP
Japan
Prior art keywords
detection device
rotation angle
angle detection
light
receiving element
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
JP14829381U
Other languages
Japanese (ja)
Inventor
池内　正之
Original Assignee
三菱電機株式会社
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 三菱電機株式会社 filed Critical 三菱電機株式会社
Priority to JP14829381U priority Critical patent/JPS5851211U/en
Publication of JPS5851211U publication Critical patent/JPS5851211U/en
Pending legal-status Critical Current

Links

Landscapes

  • Length Measuring Devices By Optical Means (AREA)
  • Optical Transform (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は従来の回転角度検出装置の構晟を示すブロック
図、第２図及び第３図は従来の回転角度検出装置におけ
る発光素子駆動回路、第４図はこの考案の一実施例を示
す回路図、第５図はこの考案の実施例の各部の動作波形
を示す。図において、１は発光素子、２は受光素子、３
は発光素子駆動回路、４は波形整形回路。なお各図中同
一符号は同一または相当部分を示すものとする。Fig. 1 is a block diagram showing the structure of a conventional rotation angle detection device, Figs. 2 and 3 are light emitting element drive circuits in the conventional rotation angle detection device, and Fig. 4 shows an embodiment of this invention. The circuit diagram, FIG. 5, shows the operating waveforms of each part of the embodiment of this invention. In the figure, 1 is a light emitting element, 2 is a light receiving element, and 3 is a light emitting element.
4 is a light emitting element drive circuit, and 4 is a waveform shaping circuit. Note that the same reference numerals in each figure indicate the same or corresponding parts.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] クランク軸の回転に同期して回転するシャフト、該シャ
フトにとりつけられた所定のスリットを有する回転板、
該回転板をはさみ対向するよう設置された発光素子と受
光素子、及び該受光素子の出力を矩形波に変換する波形
整形回路とを具備してなる回転角度検出装置において、
前記受光素子の出力を整流・平滑し直流電圧に変換する
回路と、該直流電圧により発光素子の駆動電流を制御す
る回路とを備えた事を特徴とする回転角度検出装置。A shaft that rotates in synchronization with the rotation of the crankshaft, a rotating plate having a predetermined slit attached to the shaft;
A rotation angle detection device comprising a light emitting element and a light receiving element disposed to face each other across the rotary plate, and a waveform shaping circuit that converts the output of the light receiving element into a rectangular wave,
A rotation angle detection device comprising: a circuit that rectifies and smoothes the output of the light-receiving element and converts it into a DC voltage; and a circuit that controls a driving current of a light-emitting element using the DC voltage.
JP14829381U 1981-10-05 1981-10-05 Rotation angle detection device Pending JPS5851211U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14829381U JPS5851211U (en) 1981-10-05 1981-10-05 Rotation angle detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14829381U JPS5851211U (en) 1981-10-05 1981-10-05 Rotation angle detection device

Publications (1)

Publication Number Publication Date
JPS5851211U true JPS5851211U (en) 1983-04-07

Family

ID=29941117

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14829381U Pending JPS5851211U (en) 1981-10-05 1981-10-05 Rotation angle detection device

Country Status (1)

Country Link
JP (1) JPS5851211U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60144611A (en) * 1984-01-06 1985-07-31 Mitsutoyo Mfg Co Ltd Photoelectric displacement detector
JPS60190811A (en) * 1984-03-12 1985-09-28 Mitsutoyo Mfg Co Ltd Photoelectric type displacement detector

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825762B1 (en) * 1970-06-02 1973-07-31
JPS5355053A (en) * 1976-10-29 1978-05-19 Olympus Optical Co Ltd Photoelectric encoder

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4825762B1 (en) * 1970-06-02 1973-07-31
JPS5355053A (en) * 1976-10-29 1978-05-19 Olympus Optical Co Ltd Photoelectric encoder

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60144611A (en) * 1984-01-06 1985-07-31 Mitsutoyo Mfg Co Ltd Photoelectric displacement detector
JPS60190811A (en) * 1984-03-12 1985-09-28 Mitsutoyo Mfg Co Ltd Photoelectric type displacement detector

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