CA2107190C - Conservation d'un controle electrostatique precis au moyen de deux voltmetres electrostatiques - Google Patents

Conservation d'un controle electrostatique precis au moyen de deux voltmetres electrostatiques

Info

Publication number: CA2107190C
Authority: CA; Canada
Prior art keywords: voltage; retentive surface; charge retentive; level; signal representative
Prior art date: 1992-12-07
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

CA 2107190

Other languages

English (en)

Other versions

CA2107190A1 (fr

Inventor

Mark A. Scheuer

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.)

1992-12-07

Filing date

1993-09-28

Publication date

1996-10-01

1993-09-28 Application filed by Xerox Corp filed Critical Xerox Corp

1994-06-08 Publication of CA2107190A1 publication Critical patent/CA2107190A1/fr

1996-10-01 Application granted granted Critical

1996-10-01 Publication of CA2107190C publication Critical patent/CA2107190C/fr

2013-09-28 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

Links

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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)

CA 2107190 1992-12-07 1993-09-28 Conservation d'un controle electrostatique precis au moyen de deux voltmetres electrostatiques Expired - Fee Related CA2107190C (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US98640092A	1992-12-07	1992-12-07
US986400		1992-12-07

Publications (2)

Publication Number	Publication Date
CA2107190A1 CA2107190A1 (fr)	1994-06-08
CA2107190C true CA2107190C (fr)	1996-10-01

Family

ID=25532376

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA 2107190 Expired - Fee Related CA2107190C (fr)	1992-12-07	1993-09-28	Conservation d'un controle electrostatique precis au moyen de deux voltmetres electrostatiques

Country Status (6)

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

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
US5119131A (en) *	1991-09-05	1992-06-02	Xerox Corporation	Electrostatic voltmeter (ESV) zero offset adjustment
US5138378A (en) *	1991-09-05	1992-08-11	Xerox Corporation	Electrostatic target recalculation in a xerographic imaging apparatus

1993
- 1993-09-28 CA CA 2107190 patent/CA2107190C/fr not_active Expired - Fee Related
- 1993-11-12 JP JP5283247A patent/JP2778906B2/ja not_active Expired - Fee Related
- 1993-11-30 MX MX9307527A patent/MX9307527A/es not_active IP Right Cessation
- 1993-12-03 EP EP19930309687 patent/EP0601801B1/fr not_active Expired - Lifetime
- 1993-12-03 DE DE1993607111 patent/DE69307111T2/de not_active Expired - Fee Related
- 1993-12-06 BR BR9304957A patent/BR9304957A/pt not_active IP Right Cessation

Also Published As

Publication number	Publication date
DE69307111D1 (de)	1997-02-13
JP2778906B2 (ja)	1998-07-23
BR9304957A (pt)	1994-06-21
EP0601801A3 (en)	1995-09-13
EP0601801B1 (fr)	1997-01-02
CA2107190A1 (fr)	1994-06-08
EP0601801A2 (fr)	1994-06-15
MX9307527A (es)	1994-06-30
JPH06208275A (ja)	1994-07-26
DE69307111T2 (de)	1997-07-03

Legal Events

Date	Code	Title	Description
1993-09-28	EEER	Examination request
2010-09-28	MKLA	Lapsed

Publication	Publication Date	Title
EP0531167B1 (fr)	1996-12-04	Lectures d'images de test de toner par des voltmètres électrostatiques pour corriger les valeurs d'images de test développées fournies par un pensitomètre à infrarouge
EP0531160B1 (fr)	1997-01-22	Réglage de la vitesse de distribution du toner
EP0531161B1 (fr)	1996-11-20	Réglage de la dérive du zéro d'un voltmètre électrostatique
EP0531171B1 (fr)	1996-12-04	Recalcul des paramètres électrostatiques dans un appareil xérographique de formation d'images
US5285241A (en)	1994-02-08	Maintaining precise electrostatic control using two ESVs
EP0531145B1 (fr)	1997-01-22	ContrÔle de l'unité de développement en couleur d'un appareil de formation d'images à accentuation de couleur à trois niveaux
US5541721A (en)	1996-07-30	System for controlling electrostatic voltmeters in a tri-level highlight color xerographic printer
EP0531057B1 (fr)	1996-11-20	Méthode et appareil de formation d'images à trois niveaux
EP0531063B1 (fr)	1996-11-20	ContrÔle de la perte de charge d'une zone image dans un appareil de formation d'images à trois niveaux
EP0531065B1 (fr)	1997-08-13	Accomodation de valeurs électrostatiques en cours de la période de démarrage dans un appareil xérographique de formation d'images
EP0531053B1 (fr)	1996-11-20	Appareil de formation d'images à trois niveaux
CA2107190C (fr)	1996-10-01	Conservation d'un controle electrostatique precis au moyen de deux voltmetres electrostatiques
US5236795A (en)	1993-08-17	Method of using an infra-red densitometer to insure two-pass cleaning
EP0531064B1 (fr)	1996-11-20	Dispositif de production d'un échantillon de toner assisté par un dispositif de balayage de trame pour l'utilisation dans un appareil de formation d'images à trois niveaux