JPS6269239U - - Google Patents

Info

Publication number
JPS6269239U
JPS6269239U JP16085085U JP16085085U JPS6269239U JP S6269239 U JPS6269239 U JP S6269239U JP 16085085 U JP16085085 U JP 16085085U JP 16085085 U JP16085085 U JP 16085085U JP S6269239 U JPS6269239 U JP S6269239U
Authority
JP
Japan
Prior art keywords
voltage
light bulb
charging
incandescent light
discharging circuit
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
JP16085085U
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 JP16085085U priority Critical patent/JPS6269239U/ja
Publication of JPS6269239U publication Critical patent/JPS6269239U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Control Of Exposure In Printing And Copying (AREA)

Description

【図面の簡単な説明】
第１図はこの考案の一実施例、第２図は動作波
形図、第３図は制御部の一例、第４図は動作フロ
ー図である。 １……商用電源、２……ゼロクロス検出回路、
３……制御部、４……制御整流器、５……コンデ
ンサ、６，７，８……抵抗、１２……白熱電球。

Claims (1)

    【実用新案登録請求の範囲】
  1. 露光用の光源として白熱電球を用い、該白熱電
    球への供給電圧を、制御整流器による交流電源の
    点孤時期の制御により行うようにした複写機の露
    光制御装置において、白熱電球に印加される実効
    電圧を検出するために、充電時、放電時の時定数
    を異ならせた抵抗コンデンサを含む充放電回路を
    設けると共に、この充放電回路に対し、白熱電球
    にかかる電圧を印加し、且つ交流電源のゼロクロ
    スに同期して該充放電回路のコンデンサ端子電圧
    を検出し、この検出電圧によつて制御整流器の点
    孤時期を制御することを特徴とする複写機の露光
    制御装置。
JP16085085U 1985-10-21 1985-10-21 Pending JPS6269239U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16085085U JPS6269239U (ja) 1985-10-21 1985-10-21

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16085085U JPS6269239U (ja) 1985-10-21 1985-10-21

Publications (1)

Publication Number Publication Date
JPS6269239U true JPS6269239U (ja) 1987-04-30

Family

ID=31086616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16085085U Pending JPS6269239U (ja) 1985-10-21 1985-10-21

Country Status (1)

Country Link
JP (1) JPS6269239U (ja)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5480753A (en) * 1977-12-09 1979-06-27 Canon Inc Device with exposing light source
JPS57185062A (en) * 1981-05-08 1982-11-15 Hitachi Ltd Controller of light volume
JPS5988760A (ja) * 1982-11-15 1984-05-22 Canon Inc 像形成装置の制御装置
JPS6039666A (ja) * 1983-08-13 1985-03-01 Canon Inc ランプ制御装置
JPS6214142A (ja) * 1985-07-11 1987-01-22 Toshiba Corp 露光ランプの調光装置

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5480753A (en) * 1977-12-09 1979-06-27 Canon Inc Device with exposing light source
JPS57185062A (en) * 1981-05-08 1982-11-15 Hitachi Ltd Controller of light volume
JPS5988760A (ja) * 1982-11-15 1984-05-22 Canon Inc 像形成装置の制御装置
JPS6039666A (ja) * 1983-08-13 1985-03-01 Canon Inc ランプ制御装置
JPS6214142A (ja) * 1985-07-11 1987-01-22 Toshiba Corp 露光ランプの調光装置

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