EP0552745A3 - Electrophotographic printing machine - Google Patents

Electrophotographic printing machine Download PDF

Info

Publication number: EP0552745A3
Authority: EP; European Patent Office
Prior art keywords: printing machine; electrophotographic printing; electrophotographic; machine; printing
Prior art date: 1992-01-21
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.): Granted

Application number

EP19930100821

Other versions

EP0552745A2 (en

EP0552745B1 (en

Inventor

Tomohiro Oikawa

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.)

Sharp Corp

Original Assignee

Sharp 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.)

1992-01-21

Filing date

1993-01-20

Publication date

1993-10-27

1993-01-20 Application filed by Sharp Corp filed Critical Sharp Corp

1993-07-28 Publication of EP0552745A2 publication Critical patent/EP0552745A2/en

1993-10-27 Publication of EP0552745A3 publication Critical patent/EP0552745A3/en

1997-05-14 Application granted granted Critical

1997-05-14 Publication of EP0552745B1 publication Critical patent/EP0552745B1/en

2013-01-20 Anticipated expiration legal-status Critical

Status Expired - Lifetime 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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/34—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner
- G03G15/344—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 in which the powder image is formed directly on the recording material, e.g. by using a liquid toner by selectively transferring the powder to the recording medium, e.g. by using a LED array
- 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
- G03G15/1605—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 using at least one intermediate support
- 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
- G03G15/22—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20
- G03G15/24—Apparatus for electrographic processes using a charge pattern involving the combination of more than one step according to groups G03G13/02 - G03G13/20 whereby at least two steps are performed simultaneously

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Electrostatic Charge, Transfer And Separation In Electrography (AREA)
Dot-Matrix Printers And Others (AREA)
Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Electrophotography Using Other Than Carlson'S Method (AREA)
Fixing For Electrophotography (AREA)
Combination Of More Than One Step In Electrophotography (AREA)

EP19930100821 1992-01-21 1993-01-20 Electrophotographic printing machine Expired - Lifetime EP0552745B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
JP8489/92		1992-01-21
JP848992A JPH05197241A (en)	1992-01-21	1992-01-21	Electrophotographic device

Publications (3)

Publication Number	Publication Date
EP0552745A2 EP0552745A2 (en)	1993-07-28
EP0552745A3 true EP0552745A3 (en)	1993-10-27
EP0552745B1 EP0552745B1 (en)	1997-05-14

Family

ID=11694533

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19930100821 Expired - Lifetime EP0552745B1 (en)	1992-01-21	1993-01-20	Electrophotographic printing machine

Country Status (3)

Country	Link
EP (1)	EP0552745B1 (en)
JP (1)	JPH05197241A (en)
DE (1)	DE69310556T2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA2974246C (en)	2006-09-01	2020-02-25	Senhwa Biosciences, Inc.	Tricyclic heteroaryl compounds and their use as protein modulators

Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4439462A (en) *	1981-04-03	1984-03-27	Konishiroku Photo Industry Co., Ltd.	Method for transferring and fixing a toner image
EP0364855A1 (en) *	1988-10-13	1990-04-25	Océ-Nederland B.V.	Method of and apparatus for transferring a powder image, consisting of electrostatically charged developing powder, from an image forming medium to an image receiving medium
EP0482654A2 (en) *	1990-10-24	1992-04-29	Seiko Epson Corporation	Image forming apparatus
DE4204470A1 (en) *	1991-02-15	1992-08-20	Toshiba Kawasaki Kk	ELECTROSTATOGRAPHIC DEVICE
EP0510680A2 (en) *	1991-04-26	1992-10-28	Nec Corporation	Electrophotographic printing apparatus having an endless belt for primary and secondary transfer
DE4213236A1 (en) *	1991-04-22	1992-11-05	Hitachi Ltd	Electrostatic photocopier with endless band image transfer mechanism - has image forming developing transfer and fixing units built as combined space-saving assembly
EP0523631A2 (en) *	1991-07-15	1993-01-20	Sharp Kabushiki Kaisha	Electrophotographic printing machine
EP0533176A2 (en) *	1991-09-20	1993-03-24	Sharp Kabushiki Kaisha	Electrophotographic printing machine

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS56149076A (en) *	1980-04-21	1981-11-18	Konishiroku Photo Ind Co Ltd	Copying apparatus
JPS63223678A (en) *	1987-03-13	1988-09-19	Canon Inc	Image forming device

1992
- 1992-01-21 JP JP848992A patent/JPH05197241A/en active Pending
1993
- 1993-01-20 EP EP19930100821 patent/EP0552745B1/en not_active Expired - Lifetime
- 1993-01-20 DE DE1993610556 patent/DE69310556T2/en not_active Expired - Fee Related

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4439462A (en) *	1981-04-03	1984-03-27	Konishiroku Photo Industry Co., Ltd.	Method for transferring and fixing a toner image
EP0364855A1 (en) *	1988-10-13	1990-04-25	Océ-Nederland B.V.	Method of and apparatus for transferring a powder image, consisting of electrostatically charged developing powder, from an image forming medium to an image receiving medium
EP0482654A2 (en) *	1990-10-24	1992-04-29	Seiko Epson Corporation	Image forming apparatus
DE4204470A1 (en) *	1991-02-15	1992-08-20	Toshiba Kawasaki Kk	ELECTROSTATOGRAPHIC DEVICE
DE4213236A1 (en) *	1991-04-22	1992-11-05	Hitachi Ltd	Electrostatic photocopier with endless band image transfer mechanism - has image forming developing transfer and fixing units built as combined space-saving assembly
EP0510680A2 (en) *	1991-04-26	1992-10-28	Nec Corporation	Electrophotographic printing apparatus having an endless belt for primary and secondary transfer
EP0523631A2 (en) *	1991-07-15	1993-01-20	Sharp Kabushiki Kaisha	Electrophotographic printing machine
EP0533176A2 (en) *	1991-09-20	1993-03-24	Sharp Kabushiki Kaisha	Electrophotographic printing machine

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
JOURNAL OF APPLIED PHYSICS vol. 63, no. 11, 1 June 1988, NEW YORK US pages 5589 - 5593 TETSUTANI ET AL. 'PHOTORECEPTOR CHARGING MECHANISM BY CONDUCTIVE PARTICLE RUBBING AND APPLICATION TO A NOVEL ELECTROGRAPHIC PRINTING TECHNOLOGY' *
PATENT ABSTRACTS OF JAPAN vol. 13, no. 19 (P-814)18 January 1989 & JP-A-63 223 678 ( CANON K.K. ) 19 September 1988 *
PATENT ABSTRACTS OF JAPAN vol. 6, no. 30 (P-103)(908) 23 February 1982 & JP-A-56 149 076 ( KONISHIROKU SHASHIN KOGYO K.K. ) 18 November 1981 *

Also Published As

Publication number	Publication date
DE69310556D1 (en)	1997-06-19
JPH05197241A (en)	1993-08-06
DE69310556T2 (en)	1997-12-18
EP0552745A2 (en)	1993-07-28
EP0552745B1 (en)	1997-05-14

Legal Events

Date	Code	Title	Description
1993-06-10	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1993-07-28	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB
1993-09-03	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1993-10-27	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB
1994-03-02	17P	Request for examination filed	Effective date: 19931227
1995-11-08	17Q	First examination report despatched	Effective date: 19950921
1996-07-25	GRAG	Despatch of communication of intention to grant	Free format text: ORIGINAL CODE: EPIDOS AGRA
1996-11-08	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-02-22	GRAH	Despatch of communication of intention to grant a patent	Free format text: ORIGINAL CODE: EPIDOS IGRA
1997-03-27	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1997-05-14	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB
1997-06-19	REF	Corresponds to:	Ref document number: 69310556 Country of ref document: DE Date of ref document: 19970619
1997-07-04	ET	Fr: translation filed
1998-03-20	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1998-03-20	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1998-05-06	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2007-01-17	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20070117 Year of fee payment: 15
2007-01-18	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 20070118 Year of fee payment: 15
2008-04-30	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20070109 Year of fee payment: 15
2008-09-24	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20080120
2008-10-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080801
2008-12-05	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST Effective date: 20081029
2008-12-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080120
2009-04-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20080131

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