JPS57164739A - Copying apparatus - Google Patents

Copying apparatus

Info

Publication number
JPS57164739A
JPS57164739A JP56048471A JP4847181A JPS57164739A JP S57164739 A JPS57164739 A JP S57164739A JP 56048471 A JP56048471 A JP 56048471A JP 4847181 A JP4847181 A JP 4847181A JP S57164739 A JPS57164739 A JP S57164739A
Authority
JP
Japan
Prior art keywords
exposure
halftone
surface potential
photoreceptor
zone
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
JP56048471A
Other languages
English (en)
Inventor
Yukio Akita
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Canon Finetech Nisca Inc
Original Assignee
Copyer Co Ltd
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 Copyer Co Ltd filed Critical Copyer Co Ltd
Priority to JP56048471A priority Critical patent/JPS57164739A/ja
Publication of JPS57164739A publication Critical patent/JPS57164739A/ja
Pending legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G15/00—Apparatus for electrographic processes using a charge pattern
    • G03G15/02—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices
    • G03G15/0266—Arrangements for controlling the amount of charge
JP56048471A 1981-04-02 1981-04-02 Copying apparatus Pending JPS57164739A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56048471A JPS57164739A (en) 1981-04-02 1981-04-02 Copying apparatus

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56048471A JPS57164739A (en) 1981-04-02 1981-04-02 Copying apparatus

Publications (1)

Publication Number Publication Date
JPS57164739A true JPS57164739A (en) 1982-10-09

Family

ID=12804287

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56048471A Pending JPS57164739A (en) 1981-04-02 1981-04-02 Copying apparatus

Country Status (1)

Country Link
JP (1) JPS57164739A (ja)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224355A (ja) * 1982-06-24 1983-12-26 Ricoh Co Ltd 電子写真複写機の感光体表面電位補正方法
JPS60260067A (ja) * 1984-06-06 1985-12-23 Canon Inc 電子写真の制御方法
FR2613088A1 (fr) * 1987-03-25 1988-09-30 Toshiba Kk Appareil de copie electronique possedant une fonction de modification partielle de l'image reproduite a partir de l'image d'un original
JPH0240665A (ja) * 1988-07-29 1990-02-09 Mita Ind Co Ltd ハーフトーンマーキング複写方法及びその装置

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58224355A (ja) * 1982-06-24 1983-12-26 Ricoh Co Ltd 電子写真複写機の感光体表面電位補正方法
JPS60260067A (ja) * 1984-06-06 1985-12-23 Canon Inc 電子写真の制御方法
FR2613088A1 (fr) * 1987-03-25 1988-09-30 Toshiba Kk Appareil de copie electronique possedant une fonction de modification partielle de l'image reproduite a partir de l'image d'un original
JPH0240665A (ja) * 1988-07-29 1990-02-09 Mita Ind Co Ltd ハーフトーンマーキング複写方法及びその装置

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