DE69423156T2 - Aufladevorrichtung - Google Patents

Aufladevorrichtung

Info

Publication number
DE69423156T2
DE69423156T2 DE69423156T DE69423156T DE69423156T2 DE 69423156 T2 DE69423156 T2 DE 69423156T2 DE 69423156 T DE69423156 T DE 69423156T DE 69423156 T DE69423156 T DE 69423156T DE 69423156 T2 DE69423156 T2 DE 69423156T2
Authority
DE
Germany
Prior art keywords
charger
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 - Fee Related
Application number
DE69423156T
Other languages
English (en)
Other versions
DE69423156D1 (de
Inventor
Thomas I Yeh
Clifford K Friend
Timothy A Cole
Leo R Farnand
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.)
Xerox Corp
Original Assignee
Xerox Corp
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 Xerox Corp filed Critical Xerox Corp
Application granted granted Critical
Publication of DE69423156D1 publication Critical patent/DE69423156D1/de
Publication of DE69423156T2 publication Critical patent/DE69423156T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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
    • G03G15/0291—Apparatus for electrographic processes using a charge pattern for laying down a uniform charge, e.g. for sensitising; Corona discharge devices corona discharge devices, e.g. wires, pointed electrodes, means for cleaning the corona discharge device

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Plasma & Fusion (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Control Or Security For Electrophotography (AREA)
DE69423156T 1993-08-23 1994-08-10 Aufladevorrichtung Expired - Fee Related DE69423156T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/110,749 US5361123A (en) 1993-08-23 1993-08-23 Microcontroller based xerographic charge device power supply

Publications (2)

Publication Number Publication Date
DE69423156D1 DE69423156D1 (de) 2000-04-06
DE69423156T2 true DE69423156T2 (de) 2000-08-31

Family

ID=22334720

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69423156T Expired - Fee Related DE69423156T2 (de) 1993-08-23 1994-08-10 Aufladevorrichtung

Country Status (4)

Country Link
US (1) US5361123A (de)
EP (1) EP0640885B1 (de)
JP (1) JPH07152227A (de)
DE (1) DE69423156T2 (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5758234A (en) * 1997-04-17 1998-05-26 Hewlett-Packard Company Apparatus and method for conditioning a photoconductor
US8693048B2 (en) * 2007-01-24 2014-04-08 Xerox Corporation Sub-pixel generation for high speed color laser printers using a clamping technique for PLL (phase locked loop) circuitry
US8488186B2 (en) * 2007-01-24 2013-07-16 Xerox Corporation Gradual charge pump technique for optimizing phase locked loop (PLL) function in sub-pixel generation for high speed laser printers switching between different speeds
US7715743B2 (en) * 2007-02-16 2010-05-11 Xerox Corporation Charger with a probe and controller

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3934141A (en) * 1974-07-03 1976-01-20 Xerox Corporation Apparatus for automatically regulating the amount of charge applied to an insulating surface
DE2723673A1 (de) * 1976-05-26 1977-12-08 Canon Kk Verfahren und vorrichtung zum laden durch koronaentladung
US4248519A (en) * 1976-10-27 1981-02-03 Xerox Corporation Charge control system for xerographic machines
US4166690A (en) * 1977-11-02 1979-09-04 International Business Machines Corporation Digitally regulated power supply for use in electrostatic transfer reproduction apparatus
JPS55157756A (en) * 1979-05-29 1980-12-08 Canon Inc Surface potential control unit
US4417804A (en) * 1981-06-19 1983-11-29 Xerox Corporation High voltage comparator for photoreceptor voltage control
US4456370A (en) * 1982-11-08 1984-06-26 Xerox Corporation Charge control system
US4714978A (en) * 1986-04-17 1987-12-22 Xerox Corporation Power supply for a.c. corotrons
JPS63167383A (ja) * 1986-12-22 1988-07-11 ゼロックス　コーポレーション コロナ帯電装置
US4796064A (en) * 1988-01-11 1989-01-03 Xerox Corporation Cycle-up control scheme
JP2685814B2 (ja) * 1988-06-23 1997-12-03 株式会社リコー 画像形成装置
US5140349A (en) * 1988-09-27 1992-08-18 Canon Kabushiki Kaisha Recording apparatus
US4920266A (en) * 1989-03-27 1990-04-24 Xerox Corporation Corona generating device
US5164776A (en) * 1991-09-19 1992-11-17 Xerox Corporation Apparatus and method for correcting the voltage on a photoconductive device

Also Published As

Publication number Publication date
EP0640885B1 (de) 2000-03-01
JPH07152227A (ja) 1995-06-16
US5361123A (en) 1994-11-01
DE69423156D1 (de) 2000-04-06
EP0640885A2 (de) 1995-03-01
EP0640885A3 (de) 1995-03-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee