JPH0252119U - - Google Patents

Info

Publication number
JPH0252119U
JPH0252119U JP13090688U JP13090688U JPH0252119U JP H0252119 U JPH0252119 U JP H0252119U JP 13090688 U JP13090688 U JP 13090688U JP 13090688 U JP13090688 U JP 13090688U JP H0252119 U JPH0252119 U JP H0252119U
Authority
JP
Japan
Prior art keywords
output transistor
collector
detection device
rotation angle
angle detection
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.)
Granted
Application number
JP13090688U
Other languages
Japanese (ja)
Other versions
JP2533246Y2 (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 JP1988130906U priority Critical patent/JP2533246Y2/en
Publication of JPH0252119U publication Critical patent/JPH0252119U/ja
Application granted granted Critical
Publication of JP2533246Y2 publication Critical patent/JP2533246Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Description

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

第１図はこの考案の一実施例による回転角度検
出装置の構成回路図、第２図は従来の回転角度検
出装置の構造図、第３図は従来の回転板の詳細図
、第４図は従来の回転転角度検出装置の構成回路
図、第５図は第４図の各部の動作波形図である。 図において、１……シヤフト、２……回転板、
３……発光ダイオード、４……フオトダイオード
、５……電子回路、１８……出力トランジスタ、
２０……ツエナーダイオード、２１……直列抵抗
である。なお、各図中同一符号は同一又は相当部
分を示す。 Fig. 1 is a configuration circuit diagram of a rotation angle detection device according to an embodiment of this invention, Fig. 2 is a structural diagram of a conventional rotation angle detection device, Fig. 3 is a detailed view of a conventional rotation plate, and Fig. 4 is a structural diagram of a conventional rotation angle detection device. FIG. 5 is a configuration circuit diagram of a conventional rotation angle detection device, and FIG. 5 is an operation waveform diagram of each part of FIG. 4. In the figure, 1...shaft, 2... rotating plate,
3... Light emitting diode, 4... Photo diode, 5... Electronic circuit, 18... Output transistor,
20... Zener diode, 21... Series resistor. 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] クランク軸と同期して回転するシヤフトと、こ
のシヤフトと一体に回転する回転板と、この回転
板に設けられた窓を介して通過する光量変化を検
知する光電式ピツクアツプと、この光電式ピツク
アツプの信号を波形整形し、矩形波に変換する電
子回路とを有する回転角度検出装置において、前
記電子回路の出力段に接続されるオープンコレク
タの出力トランジスタと、この出力トランジスタ
のベース・コレクタ間に接続され、所定電圧でブ
レークダウンする素子と、前記出力トランジスタ
のコレクタと出力端子間に接続される直列抵抗と
を備えたことを特徴とする回転角度検出装置。 A shaft that rotates in synchronization with the crankshaft, a rotating plate that rotates together with the shaft, a photoelectric pick-up that detects changes in the amount of light passing through a window provided on the rotating plate, and In a rotation angle detection device having an electronic circuit that shapes a signal into a rectangular wave, the open collector output transistor is connected to the output stage of the electronic circuit, and the output transistor is connected between the base and collector of the output transistor. A rotation angle detection device comprising: an element that breaks down at a predetermined voltage; and a series resistor connected between the collector of the output transistor and the output terminal.
JP1988130906U 1988-10-07 1988-10-07 Rotation angle detector for internal combustion engine Expired - Lifetime JP2533246Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988130906U JP2533246Y2 (en) 1988-10-07 1988-10-07 Rotation angle detector for internal combustion engine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988130906U JP2533246Y2 (en) 1988-10-07 1988-10-07 Rotation angle detector for internal combustion engine

Publications (2)

Publication Number Publication Date
JPH0252119U true JPH0252119U (en) 1990-04-13
JP2533246Y2 JP2533246Y2 (en) 1997-04-23

Family

ID=31386488

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988130906U Expired - Lifetime JP2533246Y2 (en) 1988-10-07 1988-10-07 Rotation angle detector for internal combustion engine

Country Status (1)

Country Link
JP (1) JP2533246Y2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005308434A (en) * 2004-04-19 2005-11-04 Matsushita Electric Ind Co Ltd Encoder pulse detection circuit

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56162993A (en) * 1980-05-21 1981-12-15 Nissan Motor Co Ltd Driving circuit for motor
JPS60188814A (en) * 1984-03-08 1985-09-26 Hitachi Ltd Photodetecting circuit
JPS6398228A (en) * 1986-10-14 1988-04-28 Fuji Electric Co Ltd Singnal output device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56162993A (en) * 1980-05-21 1981-12-15 Nissan Motor Co Ltd Driving circuit for motor
JPS60188814A (en) * 1984-03-08 1985-09-26 Hitachi Ltd Photodetecting circuit
JPS6398228A (en) * 1986-10-14 1988-04-28 Fuji Electric Co Ltd Singnal output device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005308434A (en) * 2004-04-19 2005-11-04 Matsushita Electric Ind Co Ltd Encoder pulse detection circuit

Also Published As

Publication number Publication date
JP2533246Y2 (en) 1997-04-23

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