JP2778906B2 - ３レベル像形成方法および装置 - Google Patents

３レベル像形成方法および装置

Info

Publication number
JP2778906B2
JP2778906B2 JP5283247A JP28324793A JP2778906B2 JP 2778906 B2 JP2778906 B2 JP 2778906B2 JP 5283247 A JP5283247 A JP 5283247A JP 28324793 A JP28324793 A JP 28324793A JP 2778906 B2 JP2778906 B2 JP 2778906B2
Authority
JP
Japan
Prior art keywords
voltage
charge
developing
applying
reference voltage
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
JP5283247A
Other languages
English (en)
Japanese (ja)
Other versions
JPH06208275A (ja
Inventor
エイ ショイアー マーク
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
Publication of JPH06208275A publication Critical patent/JPH06208275A/ja
Application granted granted Critical
Publication of JP2778906B2 publication Critical patent/JP2778906B2/ja
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
    • G03G15/50—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control
    • G03G15/5033—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor
    • G03G15/5037—Machine control of apparatus for electrographic processes using a charge pattern, e.g. regulating differents parts of the machine, multimode copiers, microprocessor control by measuring the photoconductor characteristics, e.g. temperature, or the characteristics of an image on the photoconductor the characteristics being an electrical parameter, e.g. voltage
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • 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
    • G03G15/01—Apparatus for electrographic processes using a charge pattern for producing multicoloured copies
    • G03G15/0105—Details of unit
    • G03G15/0121—Details of unit for developing
    • G—PHYSICS
    • G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
    • G03G—ELECTROGRAPHY; ELECTROPHOTOGRAPHY; MAGNETOGRAPHY
    • G03G2215/00—Apparatus for electrophotographic processes
    • G03G2215/04—Arrangements for exposing and producing an image
    • G03G2215/0495—Plural charge levels of latent image produced, e.g. trilevel

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Color Electrophotography (AREA)
  • Control Or Security For Electrophotography (AREA)
  • Other Investigation Or Analysis Of Materials By Electrical Means (AREA)
  • Developing For Electrophotography (AREA)
  • Dry Development In Electrophotography (AREA)
JP5283247A 1992-12-07 1993-11-12 ３レベル像形成方法および装置 Expired - Fee Related JP2778906B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US98640092A 1992-12-07 1992-12-07
US07/986400 1992-12-07
US7/986400 1992-12-07

Publications (2)

Publication Number Publication Date
JPH06208275A JPH06208275A (ja) 1994-07-26
JP2778906B2 true JP2778906B2 (ja) 1998-07-23

Family

ID=25532376

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5283247A Expired - Fee Related JP2778906B2 (ja) 1992-12-07 1993-11-12 ３レベル像形成方法および装置

Country Status (6)

Country Link
EP (1) EP0601801B1 (de)
JP (1) JP2778906B2 (de)
BR (1) BR9304957A (de)
CA (1) CA2107190C (de)
DE (1) DE69307111T2 (de)
MX (1) MX9307527A (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1078688A (ja) * 1996-09-05 1998-03-24 Hitachi Ltd カラー画像形成装置

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS58107555A (ja) * 1981-12-22 1983-06-27 Canon Inc カラ−複写装置
JP2927808B2 (ja) * 1988-03-22 1999-07-28 株式会社日立製作所 静電記録装置とその感光体寿命評価方法
US4879577A (en) * 1988-04-19 1989-11-07 International Business Machines Corporation Method and apparatus for controlling the electrostatic parameters of an electrophotographic reproduction device
US5138378A (en) * 1991-09-05 1992-08-11 Xerox Corporation Electrostatic target recalculation in a xerographic imaging apparatus
US5119131A (en) * 1991-09-05 1992-06-02 Xerox Corporation Electrostatic voltmeter (ESV) zero offset adjustment

Also Published As

Publication number Publication date
CA2107190A1 (en) 1994-06-08
DE69307111D1 (de) 1997-02-13
CA2107190C (en) 1996-10-01
DE69307111T2 (de) 1997-07-03
EP0601801B1 (de) 1997-01-02
EP0601801A3 (en) 1995-09-13
MX9307527A (es) 1994-06-30
JPH06208275A (ja) 1994-07-26
EP0601801A2 (de) 1994-06-15
BR9304957A (pt) 1994-06-21

Similar Documents

Publication Publication Date Title
CN100498580C (zh) 成像装置
JP2695583B2 (ja) 電荷保持表面上に３レベル像を形成する方法及び装置
JP3035397B2 (ja) 画像形成装置
US4632537A (en) Electrophotographic apparatus
JP2544067B2 (ja) ３レベル画像を電荷保持面に作成する方法及び装置
EP0531160B1 (de) Regulierung der Tonerzufuhrgeschwindigkeit
JP2793444B2 (ja) ３レベル結像装置のサイクルダウンを開始する方法及び装置
JPH05281822A (ja) 複写結像装置における静電目標再計算
JPH08179615A (ja) トナーパターン形成方法、トナーパターン形成装置及びトナー補充装置
US5285241A (en) Maintaining precise electrostatic control using two ESVs
JP2544066B2 (ja) ２つの静電電圧計を利用した暗減衰制御システム
US6201936B1 (en) Method and apparatus for adaptive black solid area estimation in a xerographic apparatus
US5541721A (en) System for controlling electrostatic voltmeters in a tri-level highlight color xerographic printer
JP2778906B2 (ja) ３レベル像形成方法および装置
JP2728831B2 (ja) ３レベル像形成装置の作動中に電荷保持表面上に３レベル像を形成する方法及び装置
JPH05281821A (ja) ３レベル像形成装置における静電気のサイクル開始収束
JP2851755B2 (ja) ３レベル像形成装置における３レベル像の形成方法
US5236795A (en) Method of using an infra-red densitometer to insure two-pass cleaning
US5669049A (en) Multi-roll developer housing with converging belt to roll spacing
JPH075734A (ja) 画像形成装置
JPH05273826A (ja) ３レベル像形成に使用されるｒｏｓ援用トナーパッチの形成

Legal Events

Date Code Title Description
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 19980406

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20090508

Year of fee payment: 11

LAPS Cancellation because of no payment of annual fees