[go: up one dir, main page]

BR9204110A - Transferencia em cilindro eletrostatico de imagens tonificadas de um membro fotocondutor a um substrato em uma folha - Google Patents

Transferencia em cilindro eletrostatico de imagens tonificadas de um membro fotocondutor a um substrato em uma folha

Info

Publication number
BR9204110A
BR9204110A BR929204110A BR9204110A BR9204110A BR 9204110 A BR9204110 A BR 9204110A BR 929204110 A BR929204110 A BR 929204110A BR 9204110 A BR9204110 A BR 9204110A BR 9204110 A BR9204110 A BR 9204110A
Authority
BR
Brazil
Prior art keywords
roller
drum
toner
machine
attracter
Prior art date
Application number
BR929204110A
Other languages
English (en)
Inventor
Gopal C Bhagat
Original Assignee
Compaq Computer 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 Compaq Computer Corp filed Critical Compaq Computer Corp
Publication of BR9204110A publication Critical patent/BR9204110A/pt

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
    • G03G15/14—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base
    • G03G15/16—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer
    • G03G15/1665—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat
    • G03G15/167—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer
    • G03G15/1675—Apparatus for electrographic processes using a charge pattern for transferring a pattern to a second base of a toner pattern, e.g. a powder pattern, e.g. magnetic transfer by introducing the second base in the nip formed by the recording member and at least one transfer member, e.g. in combination with bias or heat at least one of the recording member or the transfer member being rotatable during the transfer with means for controlling the bias applied in the transfer nip

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrostatic Charge, Transfer And Separation In Electrography (AREA)
  • Laminated Bodies (AREA)
  • Discharging, Photosensitive Material Shape In Electrophotography (AREA)
  • Electrodes Of Semiconductors (AREA)
  • Junction Field-Effect Transistors (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Photosensitive Polymer And Photoresist Processing (AREA)
  • Manufacturing Of Printed Wiring (AREA)
BR929204110A 1991-01-31 1992-01-30 Transferencia em cilindro eletrostatico de imagens tonificadas de um membro fotocondutor a um substrato em uma folha BR9204110A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US07/648,184 US5119141A (en) 1991-01-31 1991-01-31 Electrostatic roller transfer of toned images from a photoconductor member to a sheet substrate
PCT/US1992/000710 WO1992014194A1 (en) 1991-01-31 1992-01-30 Electrostatic roller transfer of toned images from a photoconductor member to a sheet substrate

Publications (1)

Publication Number Publication Date
BR9204110A true BR9204110A (pt) 1993-06-08

Family

ID=24599749

Family Applications (1)

Application Number Title Priority Date Filing Date
BR929204110A BR9204110A (pt) 1991-01-31 1992-01-30 Transferencia em cilindro eletrostatico de imagens tonificadas de um membro fotocondutor a um substrato em uma folha

Country Status (9)

Country Link
US (1) US5119141A (pt)
EP (1) EP0523234B1 (pt)
JP (1) JPH05504427A (pt)
AT (1) ATE120865T1 (pt)
AU (1) AU645185B2 (pt)
BR (1) BR9204110A (pt)
CA (1) CA2078868C (pt)
DE (1) DE69201922T2 (pt)
WO (1) WO1992014194A1 (pt)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5287152A (en) * 1991-12-18 1994-02-15 Minolta Camera Kabushiki Kaisha Electric charge supplying device and system employing the same
JP2996045B2 (ja) * 1993-03-15 1999-12-27 株式会社日立製作所 電子写真装置
JPH0772689A (ja) * 1993-09-01 1995-03-17 Konica Corp 画像形成装置
EP0737901B1 (en) * 1995-04-14 2008-12-24 Sharp Kabushiki Kaisha Image forming apparatus
US5966560A (en) * 1995-08-29 1999-10-12 Minolta Co., Ltd. Image forming apparatus with enhanced pretransfer erasing
EP0775947A1 (en) * 1995-12-07 1997-05-28 COMPUPRINT S.p.A. Electrophotographic printing apparatus having a corotron-polarised transfer roller
EP0795796A1 (en) * 1996-03-08 1997-09-17 COMPUPRINT S.p.A. An electrophotographic printing device with a charging roller
KR0174700B1 (ko) * 1996-03-28 1999-04-01 김광호 전사전압 조정장치
JPH10186899A (ja) * 1996-12-27 1998-07-14 Murata Mach Ltd 画像記録装置
US6047144A (en) * 1998-04-20 2000-04-04 Murata Kikai Kabushiki Kaisha Image forming device
US6795669B2 (en) * 2001-02-02 2004-09-21 Sharp Kabushiki Kaisha Image device with control members for rollers
KR100548203B1 (ko) * 2003-12-24 2006-02-02 삼성전자주식회사 사용환경에 따라 부품교체시기를 결정하는 화상형성장치및 이를 이용한 화상형성방법
KR100565087B1 (ko) * 2004-10-15 2006-03-30 삼성전자주식회사 기어 조립체 및 이를 구비한 화상형성장치

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3781105A (en) * 1972-11-24 1973-12-25 Xerox Corp Constant current biasing transfer system
US3877416A (en) * 1973-04-23 1975-04-15 Xerox Corp Humidity corrected transfer apparatus
US3837741A (en) * 1973-12-28 1974-09-24 Xerox Corp Control arrangement for transfer roll power supply
US3924943A (en) * 1974-06-11 1975-12-09 Xerox Corp Segmented biased transfer member
JPS56110968A (en) * 1980-02-07 1981-09-02 Olympus Optical Co Ltd Electrophotographic device
US4382673A (en) * 1980-03-25 1983-05-10 Tokyo Shibaura Denki Kabushiki Kaisha Transfer device
JPS60237475A (ja) * 1984-05-10 1985-11-26 Ricoh Co Ltd 静電記録方法
JPS63168667A (ja) * 1987-01-06 1988-07-12 Canon Inc ロ−ラ帯電装置
JPS6411279A (en) * 1987-07-03 1989-01-13 Matsushita Graphic Communic Transfer device
JP2686267B2 (ja) * 1988-01-30 1997-12-08 キヤノン株式会社 画像形成装置
JPH01265282A (ja) * 1988-04-16 1989-10-23 Nippon Telegr & Teleph Corp <Ntt> 電子写真記録における転写方法
JP2653473B2 (ja) * 1988-06-09 1997-09-17 株式会社東芝 トナー転写装置
US5168313A (en) * 1988-04-28 1992-12-01 Kabushiki Kaisha Toshiba Toner image transfer method and device for electrophotographic printing apparatus
JPH0251068A (ja) * 1988-08-12 1990-02-21 Nec San-Ei Instr Co Ltd 波形表示装置
JPH0282278A (ja) * 1988-09-20 1990-03-22 Hitachi Ltd 電子写真記録装置
US4947215A (en) * 1989-11-15 1990-08-07 Xerox Corporation Transfer apparatus

Also Published As

Publication number Publication date
WO1992014194A1 (en) 1992-08-20
EP0523234A1 (en) 1993-01-20
ATE120865T1 (de) 1995-04-15
EP0523234B1 (en) 1995-04-05
CA2078868A1 (en) 1992-08-01
AU645185B2 (en) 1994-01-06
CA2078868C (en) 1999-05-11
US5119141A (en) 1992-06-02
JPH05504427A (ja) 1993-07-08
AU1334492A (en) 1992-09-07
DE69201922T2 (de) 1995-11-02
DE69201922D1 (de) 1995-05-11

Similar Documents

Publication Publication Date Title
US3847478A (en) Segmented bias roll
BR9204110A (pt) Transferencia em cilindro eletrostatico de imagens tonificadas de um membro fotocondutor a um substrato em uma folha
KR930002894A (ko) 전자사진 기록장치
JPH01173764U (pt)
US5233396A (en) Intermediate transfer member having a low surface energy compliant structure and method of using same
KR890007196A (ko) 전자사진 인쇄장치
US4205322A (en) Electrostatic method of simultaneously transferring to a recording medium a toner image having different polarities
US6157793A (en) Image forming devices and sensors configured to monitor media, and methods of forming an image upon media
MX9605164A (es) Aparato auxiliar de transferencia, que tiene un miembro de lamina conductor.
US5144383A (en) Transfer assembly of electrophotographic printer
WO2004006024A3 (en) Modified transfer-roll system and method for electrophotographic printing or the like
KR960001929A (ko) 전자 사진 현상 장치
US5055879A (en) Apparatus for ozoneless efficient charging of a photoreceptive drum in an electrophotographic printer
ES474487A1 (es) Perfeccionamientos en los aparatos electrofotograficos
CA2105254A1 (en) Developing device for electrophotographic apparatus
JP3023168B2 (ja) 転写装置
KR0126928Y1 (ko) 정착기 장치
GB2118729A (en) Improvements in and relating to document copiers
KR940002128B1 (ko) 현상장치의 일성분 비자성 토너 도포장치
KR940010609B1 (ko) 전자사진 응용기기의 led헤드 위치 고정장치
JPS6462668A (en) Electrophotographic device
JPS6347368U (pt)
KR100285746B1 (ko) 전사롤러의눌림방지장치
JPH0224667A (ja) 画像形成装置
JPH0463460U (pt)

Legal Events

Date Code Title Description
FB19 Grant procedure suspended (art. 19)
FA9 Application deemed withdrawn - failure to comply with requirements