JPS6022798U - Photoelectric element light intensity correction circuit - Google Patents

Photoelectric element light intensity correction circuit

Info

Publication number
JPS6022798U
JPS6022798U JP11534683U JP11534683U JPS6022798U JP S6022798 U JPS6022798 U JP S6022798U JP 11534683 U JP11534683 U JP 11534683U JP 11534683 U JP11534683 U JP 11534683U JP S6022798 U JPS6022798 U JP S6022798U
Authority
JP
Japan
Prior art keywords
light
light intensity
correction circuit
intensity correction
emitting 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
JP11534683U
Other languages
Japanese (ja)
Inventor
松村　礼造
Original Assignee
株式会社東芝
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 株式会社東芝 filed Critical 株式会社東芝
Priority to JP11534683U priority Critical patent/JPS6022798U/en
Publication of JPS6022798U publication Critical patent/JPS6022798U/en
Pending legal-status Critical Current

Links

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図は従来の光電素子の光量補正回路図、第２図は本
考案の光電素子の光量補正回路の一実施例を示す回路構
成図である。 １０・・・・・・発光素子、１２．１９・・・・・・抵
抗器、１３・・・・・・受光素子、１６・・・・・・オ
ペアンプ、１８・・・・・・ダイオード、２１・・・・
・・ＦＥＴ、２３・・・・・・コンデンサ。　　。FIG. 1 is a circuit diagram showing a conventional light amount correction circuit for a photoelectric element, and FIG. 2 is a circuit diagram showing an embodiment of the light amount correction circuit for a photoelectric element according to the present invention. 10... Light emitting element, 12.19... Resistor, 13... Light receiving element, 16... Operational amplifier, 18... Diode, 21...
...FET, 23... Capacitor. .

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 発光素子から発生した光を受光素子で光電変換し、この
変換出力の大小に応じて前記発光素子に帰還して前記発
光素子に直列接続した抵抗に並列接続したインピータン
ス素子を制御することにより発光素子に流れる電流を調
整し、発光素子の光量を一定にするようにしたことを特
徴とする光電素子の光量補正回路。The light generated from the light emitting element is photoelectrically converted by the light receiving element, and depending on the magnitude of this conversion output, the light is returned to the light emitting element, and light is emitted by controlling the impedance element connected in parallel to the resistor connected in series to the light emitting element. A light intensity correction circuit for a photoelectric element, characterized in that the current flowing through the element is adjusted to keep the light intensity of the light emitting element constant.
JP11534683U 1983-07-25 1983-07-25 Photoelectric element light intensity correction circuit Pending JPS6022798U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11534683U JPS6022798U (en) 1983-07-25 1983-07-25 Photoelectric element light intensity correction circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11534683U JPS6022798U (en) 1983-07-25 1983-07-25 Photoelectric element light intensity correction circuit

Publications (1)

Publication Number Publication Date
JPS6022798U true JPS6022798U (en) 1985-02-16

Family

ID=30266292

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11534683U Pending JPS6022798U (en) 1983-07-25 1983-07-25 Photoelectric element light intensity correction circuit

Country Status (1)

Country Link
JP (1) JPS6022798U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011060679A (en) * 2009-09-14 2011-03-24 Rohm Co Ltd Lighting system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011060679A (en) * 2009-09-14 2011-03-24 Rohm Co Ltd Lighting system

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