DE3463859D1 - Automatic developing bias control device - Google Patents

Automatic developing bias control device

Info

Publication number
DE3463859D1
DE3463859D1 DE8484101902T DE3463859T DE3463859D1 DE 3463859 D1 DE3463859 D1 DE 3463859D1 DE 8484101902 T DE8484101902 T DE 8484101902T DE 3463859 T DE3463859 T DE 3463859T DE 3463859 D1 DE3463859 D1 DE 3463859D1
Authority
DE
Germany
Prior art keywords
developing bias
control device
bias control
automatic developing
image
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.)
Expired
Application number
DE8484101902T
Other languages
English (en)
Inventor
Haruya Osaka
Hiroshi Kimura
Masahiko Hisajima
Yutaka Shigemura
Seiji Kaminaga
Shinobu Satonaka
Mitsuya Ishito
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.)
Kyocera Mita Industrial Co Ltd
Original Assignee
Mita Industrial 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=12325737&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE3463859(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mita Industrial Co Ltd filed Critical Mita Industrial Co Ltd
Application granted granted Critical
Publication of DE3463859D1 publication Critical patent/DE3463859D1/de
Expired 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
    • G03G15/06—Apparatus for electrographic processes using a charge pattern for developing
    • G03G15/065—Arrangements for controlling the potential of the developing electrode

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Developing For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
DE8484101902T 1983-02-26 1984-02-23 Automatic developing bias control device Expired DE3463859D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58031235A JPS59157669A (ja) 1983-02-26 1983-02-26 自動現像バイアス制御装置

Publications (1)

Publication Number Publication Date
DE3463859D1 true DE3463859D1 (en) 1987-06-25

Family

ID=12325737

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8484101902T Expired DE3463859D1 (en) 1983-02-26 1984-02-23 Automatic developing bias control device

Country Status (5)

Country Link
US (1) US4607954A (de)
EP (1) EP0117533B1 (de)
JP (1) JPS59157669A (de)
AT (1) ATE27375T1 (de)
DE (1) DE3463859D1 (de)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59180570A (ja) * 1983-03-30 1984-10-13 Sharp Corp 現像装置
KR860008234A (ko) * 1985-04-17 1986-11-14 티모디 엔 비숍 폴리카프로락톤폴리올과 환지방족에폭시드의 혼합물- 함유 경화성 조성물
US4912508A (en) * 1988-03-14 1990-03-27 Xerox Corporation Automatic background control for an electrostatic copier
US5003327A (en) * 1989-11-15 1991-03-26 Delphax Systems Printer autocontrast control
JPH05257356A (ja) * 1991-03-29 1993-10-08 Canon Inc 画像形成装置
US5402210A (en) * 1993-10-22 1995-03-28 Xerox Corporation Dynamic developer bias control for use in an electrostatographic printing machine
US7225984B2 (en) * 2003-02-20 2007-06-05 Harris Rodney C Systems and methods for providing multiple object planes in an optical image scanning environment
JP2007163771A (ja) * 2005-12-13 2007-06-28 Kyocera Mita Corp 現像装置およびそれを有する画像形成装置
JP5117211B2 (ja) * 2008-02-05 2013-01-16 株式会社リコー 画像形成装置
JP4775467B2 (ja) * 2009-03-19 2011-09-21 ブラザー工業株式会社 高圧電源

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3877413A (en) * 1973-06-18 1975-04-15 Eastman Kodak Co Auto bias control apparatus
US3918395A (en) * 1974-03-04 1975-11-11 Eastman Kodak Co Continuous bias control for electrographic development apparatus
US4153364A (en) * 1977-01-28 1979-05-08 Ricoh Company, Ltd. Exposure and development control apparatus for electrostatic copying machine
JPS5492742A (en) * 1977-12-29 1979-07-23 Ricoh Co Ltd Control method for copier image quality
JPS5776562A (en) * 1980-10-31 1982-05-13 Ricoh Co Ltd Electrophotographic cpier
JPS57172365A (en) * 1981-04-17 1982-10-23 Ricoh Co Ltd Detection method for original density of copying machine

Also Published As

Publication number Publication date
US4607954A (en) 1986-08-26
ATE27375T1 (de) 1987-06-15
JPS59157669A (ja) 1984-09-07
EP0117533B1 (de) 1987-05-20
EP0117533A1 (de) 1984-09-05

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation