DE68910578D1 - Elektrophotographisches System. - Google Patents

Elektrophotographisches System.

Info

Publication number: DE68910578D1
Authority: DE; Germany
Prior art keywords: electrophotographic system; electrophotographic
Prior art date: 1988-05-18
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

DE89304996T

Other languages

English (en)

Other versions

DE68910578T2 (de

Inventor

Jeffrey Joseph Folkins

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.)

1988-05-18

Filing date

1989-05-17

Publication date

1993-12-16

1989-05-17 Application filed by Xerox Corp filed Critical Xerox Corp

1993-12-16 Publication of DE68910578D1 publication Critical patent/DE68910578D1/de

1994-05-19 Application granted granted Critical

1994-05-19 Publication of DE68910578T2 publication Critical patent/DE68910578T2/de

2009-05-18 Anticipated expiration legal-status Critical

Status Expired - Fee Related legal-status Critical Current

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)

DE68910578T 1988-05-18 1989-05-17 Elektrophotographisches System. Expired - Fee Related DE68910578T2 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US07/195,320 US4868907A (en)	1988-05-18	1988-05-18	Self-biased scorotron grid power supply and electrostatic voltmeter operable therefrom

Publications (2)

Publication Number	Publication Date
DE68910578D1 true DE68910578D1 (de)	1993-12-16
DE68910578T2 DE68910578T2 (de)	1994-05-19

Family

ID=22720957

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE68910578T Expired - Fee Related DE68910578T2 (de)	1988-05-18	1989-05-17	Elektrophotographisches System.

Country Status (4)

Country	Link
US (1)	US4868907A (de)
EP (1)	EP0342960B1 (de)
JP (1)	JP2866665B2 (de)
DE (1)	DE68910578T2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3815458A1 (de) *	1988-05-06	1989-11-16	Philips Patentverwaltung	Anordnung zur erzeugung von roentgenaufnahmen mittels eines photoleiters
JPH032358U (de) *	1989-05-26	1991-01-10
US5270660A (en) *	1992-05-05	1993-12-14	Xerox Corporation	Electrostatic voltmeter employing high voltage integrated circuit devices
US5323115A (en) *	1992-05-05	1994-06-21	Xerox Corporation	Electrostatic voltmeter producing a low voltage output
JPH07285230A (ja) *	1994-04-15	1995-10-31	Oki Electric Ind Co Ltd	インパクトプリンタ
US5488301A (en) *	1994-12-19	1996-01-30	Xerox Corporation	Electrostatic voltmeter employing a differential cascode
US6311027B1 (en) *	1999-01-14	2001-10-30	Sharp Kabushiki Kaisha	Image-forming apparatus which forms images by using a developer
US6411108B1 (en)	1999-11-05	2002-06-25	Sensor Technologies, Inc.	Noncontact signal analyzer
JP4639437B2 (ja) *	2000-07-12	2011-02-23	パナソニック株式会社	高圧電源装置
US6426630B1 (en) *	2000-11-29	2002-07-30	Xerox Corporation	Electrostatic voltmeter with current source load
US6545483B1 (en)	2001-08-29	2003-04-08	Sensor Technologies, Inc.	Analyzer sensor
US20120200272A1 (en) *	2011-02-07	2012-08-09	Intersil Americas Inc.	Shunt regulator for high voltage output using indirect output voltage sensing

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3370212A (en) *	1965-08-19	1968-02-20	Eastman Kodak Co	Corona charging apparatus
US3769506A (en) *	1971-01-21	1973-10-30	Xerox Corp	Corona generating methods and apparatus therefor
US3921042A (en) *	1974-11-25	1975-11-18	Xerox Corp	Electrostatic reproduction machine with improved corona generating device
JPS5252641A (en) *	1975-10-25	1977-04-27	Mita Ind Co Ltd	Corona discharge device
JPS54126032A (en) *	1978-03-24	1979-09-29	Ricoh Co Ltd	Charger
JPS5814857A (ja) *	1981-07-20	1983-01-27	Ricoh Co Ltd	コロナ帯電器
US4433298A (en) *	1981-11-12	1984-02-21	Datapoint Corporation	Calibrated apparent surface voltage measurement apparatus and method
JPS59129875A (ja) *	1983-01-17	1984-07-26	Konishiroku Photo Ind Co Ltd	記録装置の放電制御装置
JPS6088758A (ja) *	1983-10-18	1985-05-18	日本ビソー株式会社	養生足場用の連結枠体
US4603964A (en) *	1984-10-22	1986-08-05	Xerox Corporation	Photoreceptor charging scorotron
US4638397A (en) *	1984-12-21	1987-01-20	Xerox Corporation	Self-biased scorotron and control therefor
US4618249A (en) *	1985-06-10	1986-10-21	Eastman Kodak Company	Corona-charging apparatus
US4695723A (en) *	1985-06-10	1987-09-22	Eastman Kodak Company	Corona-charging apparatus
US4714978A (en) *	1986-04-17	1987-12-22	Xerox Corporation	Power supply for a.c. corotrons
US4725732A (en) *	1986-07-02	1988-02-16	Xerox Corporation	Pin corotron and scorotron assembly

1988
- 1988-05-18 US US07/195,320 patent/US4868907A/en not_active Expired - Fee Related
1989
- 1989-05-11 JP JP1118492A patent/JP2866665B2/ja not_active Expired - Lifetime
- 1989-05-17 EP EP89304996A patent/EP0342960B1/de not_active Expired - Lifetime
- 1989-05-17 DE DE68910578T patent/DE68910578T2/de not_active Expired - Fee Related

Also Published As

Publication number	Publication date
EP0342960A2 (de)	1989-11-23
US4868907A (en)	1989-09-19
JPH01319764A (ja)	1989-12-26
EP0342960A3 (en)	1990-09-26
JP2866665B2 (ja)	1999-03-08
EP0342960B1 (de)	1993-11-10
DE68910578T2 (de)	1994-05-19

Publication	Publication Date	Title
DE3885050D1 (de)	1993-11-25	Kopiersystem.
NO891204D0 (no)	1989-03-20	Premestrings-system.
NO894666L (no)	1990-01-23	Elektroakustisk system.
DE68907689D1 (de)	1993-08-26	Elektrofotografisches geraet.
DE68917210D1 (de)	1994-09-08	Belichtungssystem.
DE68910979D1 (de)	1994-01-05	Verbindungssystem.
FI891075A0 (fi)	1989-03-07	System foer fraonkoppling av funktionen av vindturbin.
FI892849L (fi)	1989-12-10	System foer tillfoerande av effekt.
DE68910141D1 (de)	1993-12-02	Fixiergerät.
DE68919013D1 (de)	1994-12-01	Entwicklungssystem.
DE69202033D1 (de)	1995-05-18	Entwicklungssystem.
FI884142L (fi)	1990-03-09	System foer maetning av ljusdispersion.
DE68910578D1 (de)	1993-12-16	Elektrophotographisches System.
DE3776010D1 (de)	1992-02-27	Kopiersystem.
DE68913846D1 (de)	1994-04-21	Expressionssystem.
FI901125A0 (fi)	1990-03-06	Smakgivande system foer fettfria livsmedel.
FI891069A0 (fi)	1989-03-07	Oralt administrerbart system foer kontrollerad frigivning av verksamt aemne.
DE68913313D1 (de)	1994-04-07	Kopiergerät.
FI885099A0 (fi)	1988-11-04	System foer tvaongsdiggering av gnistgap.
DE68913548D1 (de)	1994-04-07	Elektrophotographisches System.
DE68913100D1 (de)	1994-03-24	Photorezeptor.
DE68912096D1 (de)	1994-02-17	Kopiergerät.
FI885513A (fi)	1989-05-29	Elektrofotografiskt uppteckningselement.
DE68920870D1 (de)	1995-03-09	Tastaturbedientes system.
NO892066D0 (no)	1989-05-23	Kopieringssystem.

Legal Events

Date	Code	Title	Description
1994-12-08	8364	No opposition during term of opposition
2002-07-18	8339	Ceased/non-payment of the annual fee