EP0195655A3 - Automatic setup of electrophotographic printing machines - Google Patents

Automatic setup of electrophotographic printing machines Download PDF

Info

Publication number: EP0195655A3
Authority: EP; European Patent Office
Prior art keywords: printing machines; electrophotographic printing; automatic setup; setup; automatic
Prior art date: 1985-03-18
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.): Granted

Application number

EP86301991A

Other versions

EP0195655A2 (en

EP0195655B1 (en

Inventor

James Patrick Russell

Ralph Gordon Faull

Wayne Alan Buchar

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.)

1985-03-18

Filing date

1986-03-18

Publication date

1987-04-01

1985-03-18 Priority claimed from US06/713,530 external-priority patent/US4618248A/en

1986-03-18 Application filed by Xerox Corp filed Critical Xerox Corp

1986-09-24 Publication of EP0195655A2 publication Critical patent/EP0195655A2/en

1987-04-01 Publication of EP0195655A3 publication Critical patent/EP0195655A3/en

1991-05-08 Application granted granted Critical

1991-05-08 Publication of EP0195655B1 publication Critical patent/EP0195655B1/en

2006-03-18 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
- G03G15/50—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
- G03G15/5041—Detecting a toner image, e.g. density, toner coverage, using a test patch
- 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
- G03G2215/00025—Machine control, e.g. regulating different parts of the machine
- G03G2215/00029—Image density detection
- G03G2215/00033—Image density detection on recording member
- G03G2215/00037—Toner image detection
- G03G2215/00042—Optical detection

Landscapes

Engineering & Computer Science (AREA)
Microelectronics & Electronic Packaging (AREA)
Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Control Or Security For Electrophotography (AREA)

EP19860301991 1985-03-18 1986-03-18 Automatic setup of electrophotographic printing machines Expired - Lifetime EP0195655B1 (en)

Applications Claiming Priority (4)

Application Number	Priority Date	Filing Date	Title
US71337185A	1985-03-18	1985-03-18
US06/713,530 US4618248A (en)	1985-03-18	1985-03-18	Test patch generation utilizing system scan optics
US713371		1985-03-18
US713530		1985-03-18

Publications (3)

Publication Number	Publication Date
EP0195655A2 EP0195655A2 (en)	1986-09-24
EP0195655A3 true EP0195655A3 (en)	1987-04-01
EP0195655B1 EP0195655B1 (en)	1991-05-08

Family

ID=27108989

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP19860301991 Expired - Lifetime EP0195655B1 (en)	1985-03-18	1986-03-18	Automatic setup of electrophotographic printing machines

Country Status (3)

Country	Link
EP (1)	EP0195655B1 (en)
JP (1)	JPS61213865A (en)
DE (1)	DE3679095D1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JP2546261B2 (en) *	1987-03-13	1996-10-23	ミノルタ株式会社	Copier
JP2862545B2 (en) *	1988-10-31	1999-03-03	株式会社東芝	Image forming device
JPH02296266A (en) *	1989-05-10	1990-12-06	Canon Inc	Image forming device
US5227270A (en) *	1991-09-05	1993-07-13	Xerox Corporation	Esv readings of toner test patches for adjusting ird readings of developed test patches
US5138378A (en) *	1991-09-05	1992-08-11	Xerox Corporation	Electrostatic target recalculation in a xerographic imaging apparatus
JPH06102735A (en) *	1992-09-24	1994-04-15	Toshiba Corp	Image forming device
US5351107A (en) *	1992-09-24	1994-09-27	Kabushiki Kaisha Toshiba	Image forming apparatus and method having image density correcting function
US5477308A (en) *	1992-11-27	1995-12-19	Sharp Kabushiki Kaisha	Image forming apparatus having an image-quality correction function
US5491540A (en) *	1994-12-22	1996-02-13	Hewlett-Packard Company	Replacement part with integral memory for usage and calibration data
US5699091A (en) *	1994-12-22	1997-12-16	Hewlett-Packard Company	Replaceable part with integral memory for usage, calibration and other data
US6201936B1 (en) *	1999-12-03	2001-03-13	Xerox Corporation	Method and apparatus for adaptive black solid area estimation in a xerographic apparatus

Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2741713A1 (en) *	1976-09-17	1978-03-23	Canon Kk	METHOD AND DEVICE FOR STABILIZATION OF AN ELECTROSTATIC CHARGE
US4215930A (en) *	1977-02-23	1980-08-05	Ricoh Company, Limited	Method of maintaining the correct conditions of an electrophotographically duplicated image
DE3221618A1 (en) *	1981-06-11	1982-12-30	Canon K.K., Tokyo	IMAGE GENERATION DEVICE
DE3304966A1 (en) *	1982-02-12	1983-09-01	Ricoh Co., Ltd., Tokyo	METHOD FOR CONTROLLING AN IMAGE DENSITY LEVEL
DE3340959A1 (en) *	1982-11-11	1984-05-17	Ricoh Co., Ltd., Tokio/Tokyo	METHOD FOR CONTROLLING A DEGREENING LEVEL

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5589859A (en) *	1978-12-28	1980-07-07	Canon Inc	Method and apparatus for forming stable image
US4348099A (en) *	1980-04-07	1982-09-07	Xerox Corporation	Closed loop control of reproduction machine
JPS56161554A (en) *	1980-05-19	1981-12-11	Fuji Xerox Co Ltd	Control device for electronic copying machine
JPS5749955A (en) *	1980-09-11	1982-03-24	Canon Inc	Electrophotographic device

1986
- 1986-03-17 JP JP61059084A patent/JPS61213865A/en active Pending
- 1986-03-18 EP EP19860301991 patent/EP0195655B1/en not_active Expired - Lifetime
- 1986-03-18 DE DE8686301991T patent/DE3679095D1/en not_active Expired - Fee Related

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2741713A1 (en) *	1976-09-17	1978-03-23	Canon Kk	METHOD AND DEVICE FOR STABILIZATION OF AN ELECTROSTATIC CHARGE
US4215930A (en) *	1977-02-23	1980-08-05	Ricoh Company, Limited	Method of maintaining the correct conditions of an electrophotographically duplicated image
DE3221618A1 (en) *	1981-06-11	1982-12-30	Canon K.K., Tokyo	IMAGE GENERATION DEVICE
DE3304966A1 (en) *	1982-02-12	1983-09-01	Ricoh Co., Ltd., Tokyo	METHOD FOR CONTROLLING AN IMAGE DENSITY LEVEL
DE3340959A1 (en) *	1982-11-11	1984-05-17	Ricoh Co., Ltd., Tokio/Tokyo	METHOD FOR CONTROLLING A DEGREENING LEVEL

Also Published As

Publication number	Publication date
EP0195655A2 (en)	1986-09-24
JPS61213865A (en)	1986-09-22
DE3679095D1 (en)	1991-06-13
EP0195655B1 (en)	1991-05-08

Legal Events

Date	Code	Title	Description
1986-08-09	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
1986-09-24	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): DE FR GB NL
1987-02-12	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1987-04-01	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): DE FR GB NL
1987-11-19	17P	Request for examination filed	Effective date: 19870924
1989-04-19	17Q	First examination report despatched	Effective date: 19890307
1991-03-23	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1991-05-08	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): DE FR GB NL
1991-06-13	REF	Corresponds to:	Ref document number: 3679095 Country of ref document: DE Date of ref document: 19910613
1991-06-14	ET	Fr: translation filed
1992-03-12	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1992-03-12	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1992-04-29	26N	No opposition filed
2002-01-01	REG	Reference to a national code	Ref country code: GB Ref legal event code: IF02
2003-03-10	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 20030310 Year of fee payment: 18
2003-03-12	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 20030312 Year of fee payment: 18
2003-03-27	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 20030327 Year of fee payment: 18 Ref country code: DE Payment date: 20030327 Year of fee payment: 18
2004-03-18	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: 20040318
2004-10-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041001 Ref country code: DE Free format text: LAPSE BECAUSE OF NON-PAYMENT OF DUE FEES Effective date: 20041001
2004-11-10	GBPC	Gb: european patent ceased through non-payment of renewal fee	Effective date: 20040318
2004-11-30	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: 20041130
2004-12-01	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee	Effective date: 20041001
2005-01-07	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST

Publication	Publication Date	Title
GB2184854B (en)	1989-11-15	Copying apparatus
GB8515894D0 (en)	1985-07-24	Copying machine
GB2173665B (en)	1989-07-19	Copying apparatus
DE3663095D1 (en)	1989-06-01	Copying apparatus
GB2176620B (en)	1989-07-05	Colour copying machine
GB2168216B (en)	1988-10-12	A copying apparatus
EP0195655A3 (en)	1987-04-01	Automatic setup of electrophotographic printing machines
GB2208723B (en)	1989-08-23	Copying apparatus
GB2174819B (en)	1988-10-26	Copying apparatus
GB8507089D0 (en)	1985-04-24	Copying apparatus
GB2160669B (en)	1988-04-27	Copying apparatus
GB2185216B (en)	1990-10-03	Color copying machine
GB2168169B (en)	1989-06-01	Electrophotographic apparatus
GB2168822B (en)	1989-06-07	Copying apparatus
GB8507088D0 (en)	1985-04-24	Copying apparatus
EP0216374A3 (en)	1987-07-15	Color electrophotographic apparatus
GB2194643B (en)	1988-12-07	Copying apparatus
GB8504904D0 (en)	1985-03-27	Electrophotographic copying apparatus
GB8423338D0 (en)	1984-10-17	Copying apparatus
AU96201S (en)	1987-04-23	Copying machine
GB8522974D0 (en)	1985-10-23	Copying machine
AU93495S (en)	1986-09-25	Copying machine
GB2193950B (en)	1989-12-20	Automatic copying machine
GB2165821B (en)	1988-09-21	Copying machine
GB8407037D0 (en)	1984-04-18	Photocopying machine