EP0039403A3 - Xerographic copier including controllable erase system - Google Patents

Xerographic copier including controllable erase system Download PDF

Info

Publication number: EP0039403A3
Authority: EP; European Patent Office
Prior art keywords: including controllable; xerographic copier; copier including; erase system; controllable erase
Prior art date: 1980-05-05
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

EP81102041A

Other versions

EP0039403A2 (en

EP0039403B1 (en

Inventor

Douglas Jarvis Conly

Bonnie Belle Baker

David Duane Larson

Stanley Thomas Riddle

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.)

International Business Machines Corp

Original Assignee

International Business Machines 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.)

1980-05-05

Filing date

1981-03-19

Publication date

1982-03-17

1981-03-19 Application filed by International Business Machines Corp filed Critical International Business Machines Corp

1981-11-11 Publication of EP0039403A2 publication Critical patent/EP0039403A2/en

1982-03-17 Publication of EP0039403A3 publication Critical patent/EP0039403A3/en

1984-03-14 Application granted granted Critical

1984-03-14 Publication of EP0039403B1 publication Critical patent/EP0039403B1/en

Status Expired 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/04018—Image composition, e.g. adding or superposing informations on the original image
- 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
- G03G15/04—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material
- G03G15/045—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas
- G03G15/047—Apparatus for electrographic processes using a charge pattern for exposing, i.e. imagewise exposure by optically projecting the original image on a photoconductive recording material with means for charging or discharging distinct portions of the charge pattern on the recording material, e.g. for contrast enhancement or discharging non-image areas for discharging non-image areas
- 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
- G03G2215/0429—Changing or enhancing the image
- G03G2215/0431—Producing a clean non-image area, i.e. avoiding show-around effects
- G03G2215/0448—Charge-erasing means for the non-image area
- G03G2215/0451—Light-emitting array or panel

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Exposure Or Original Feeding In Electrophotography (AREA)
Combination Of More Than One Step In Electrophotography (AREA)
Printers Or Recording Devices Using Electromagnetic And Radiation Means (AREA)
Control Or Security For Electrophotography (AREA)
Discharging, Photosensitive Material Shape In Electrophotography (AREA)
Fax Reproducing Arrangements (AREA)
Devices For Indicating Variable Information By Combining Individual Elements (AREA)
Accessory Devices And Overall Control Thereof (AREA)
Dot-Matrix Printers And Others (AREA)

EP81102041A 1980-05-05 1981-03-19 Xerographic copier including controllable erase system Expired EP0039403B1 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US14671480A	1980-05-05	1980-05-05
US146714		1980-05-05

Publications (3)

Publication Number	Publication Date
EP0039403A2 EP0039403A2 (en)	1981-11-11
EP0039403A3 true EP0039403A3 (en)	1982-03-17
EP0039403B1 EP0039403B1 (en)	1984-03-14

Family

ID=22518657

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
EP81102041A Expired EP0039403B1 (en)	1980-05-05	1981-03-19	Xerographic copier including controllable erase system

Country Status (8)

Country	Link
EP (1)	EP0039403B1 (en)
JP (1)	JPS572061A (en)
BR (1)	BR8102740A (en)
CA (1)	CA1176301A (en)
DE (1)	DE3162574D1 (en)
ES (1)	ES501850A0 (en)
IE (1)	IE51609B1 (en)
ZA (1)	ZA812195B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5952674A (en) *	1982-09-03	1984-03-27	Tokyo Electric Co Ltd	Printer
JPS60140287A (en) *	1983-12-28	1985-07-25	Mita Ind Co Ltd	Destaticizing lamp device
JPS6143047U (en) *	1984-08-21	1986-03-20	ジューキ株式会社	Latent image generation head
GB8426046D0 (en) *	1984-10-15	1984-11-21	Xerox Corp	Electrophotographic apparatus
JPS6295070A (en) *	1985-10-22	1987-05-01	Futaba Corp	Optical writing device
JPS62108666A (en) *	1985-11-06	1987-05-19	Canon Inc	Image forming device
JPH02201386A (en) *	1989-01-30	1990-08-09	Canon Inc	Image recording device
KR200460323Y1 (en) *	2011-06-29	2012-05-15	강학현	Final member for laminate floor board

Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2856596A1 (en) *	1977-12-29	1979-07-05	Konishiroku Photo Ind	DEVICE FOR REMOVING ELECTRIC CHARGES FOR ELECTROPHOTOGRAPHIC COPYING MACHINES
EP0016923A1 (en) *	1979-03-26	1980-10-15	International Business Machines Corporation	Electrophotographic copier incorporating a border discharge device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS5339124A (en) *	1976-09-21	1978-04-10	Mitsubishi Electric Corp	Image former

1981
- 1981-03-13 JP JP3550981A patent/JPS572061A/en active Granted
- 1981-03-19 EP EP81102041A patent/EP0039403B1/en not_active Expired
- 1981-03-19 DE DE8181102041T patent/DE3162574D1/en not_active Expired
- 1981-03-26 CA CA000373903A patent/CA1176301A/en not_active Expired
- 1981-04-01 ZA ZA00812195A patent/ZA812195B/en unknown
- 1981-05-04 ES ES501850A patent/ES501850A0/en active Granted
- 1981-05-04 IE IE980/81A patent/IE51609B1/en unknown
- 1981-05-05 BR BR8102740A patent/BR8102740A/en unknown

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2856596A1 (en) *	1977-12-29	1979-07-05	Konishiroku Photo Ind	DEVICE FOR REMOVING ELECTRIC CHARGES FOR ELECTROPHOTOGRAPHIC COPYING MACHINES
EP0016923A1 (en) *	1979-03-26	1980-10-15	International Business Machines Corporation	Electrophotographic copier incorporating a border discharge device

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
IBM Technical Disclosure Bulletin, Vol. 13, No. 12, May 1971 New York T.J. HARRIS "Optical Printer" pages 3757 to 3758 *
PATENTS ABSTRACTS OF JAPAN Vol. 2, No. 75, 14 June 1978 page 2861E78 & JP-A-53 039 124 *
Research Disclosure, No. 198, October 1980 Havant R.C. McELROY et al. "Code Printer for Photographic Paper" pages 421 to 422, article 19830 *

Also Published As

Publication number	Publication date
ES8301372A1 (en)	1982-11-16
JPS572061A (en)	1982-01-07
DE3162574D1 (en)	1984-04-19
ES501850A0 (en)	1982-11-16
CA1176301A (en)	1984-10-16
ZA812195B (en)	1982-04-28
EP0039403A2 (en)	1981-11-11
EP0039403B1 (en)	1984-03-14
JPS6119990B2 (en)	1986-05-20
BR8102740A (en)	1982-01-26
IE810980L (en)	1981-11-05
IE51609B1 (en)	1987-01-21

Legal Events

Date	Code	Title	Description
1981-09-12	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
1981-11-11	AK	Designated contracting states	Designated state(s): BE CH DE FR GB IT NL SE
1982-01-13	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1982-03-17	AK	Designated contracting states	Designated state(s): BE CH DE FR GB IT NL SE
1982-06-16	17P	Request for examination filed	Effective date: 19820407
1983-10-07	ITF	It: translation for a ep patent filed	Owner name: IBM - DR. ARRABITO MICHELANGELO
1984-01-14	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1984-03-14	AK	Designated contracting states	Designated state(s): BE CH DE FR GB IT LI NL SE
1984-04-19	REF	Corresponds to:	Ref document number: 3162574 Country of ref document: DE Date of ref document: 19840419
1984-06-08	ET	Fr: translation filed
1985-02-08	PLBE	No opposition filed within time limit	Free format text: ORIGINAL CODE: 0009261
1985-02-08	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: NO OPPOSITION FILED WITHIN TIME LIMIT
1985-04-10	26N	No opposition filed
1991-01-14	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: BE Payment date: 19910114 Year of fee payment: 11
1991-02-13	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19910213 Year of fee payment: 11
1991-02-20	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: GB Payment date: 19910220 Year of fee payment: 11
1991-02-25	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19910225 Year of fee payment: 11
1991-03-23	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19910323 Year of fee payment: 11
1991-03-31	ITTA	It: last paid annual fee
1991-03-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 19910331 Year of fee payment: 11
1991-06-25	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: CH Payment date: 19910625 Year of fee payment: 11
1992-03-19	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: GB Effective date: 19920319
1992-03-20	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: SE Effective date: 19920320
1992-03-31	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: LI Effective date: 19920331 Ref country code: CH Effective date: 19920331 Ref country code: BE Effective date: 19920331
1992-09-30	BERE	Be: lapsed	Owner name: INTERNATIONAL BUSINESS MACHINES CORP. Effective date: 19920331
1992-10-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: NL Effective date: 19921001
1992-11-16	NLV4	Nl: lapsed or anulled due to non-payment of the annual fee
1992-11-18	GBPC	Gb: european patent ceased through non-payment of renewal fee
1992-11-30	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: FR Effective date: 19921130
1992-11-30	REG	Reference to a national code	Ref country code: CH Ref legal event code: PL
1992-12-01	PG25	Lapsed in a contracting state [announced via postgrant information from national office to epo]	Ref country code: DE Effective date: 19921201
1993-01-29	REG	Reference to a national code	Ref country code: FR Ref legal event code: ST
1995-01-31	EUG	Se: european patent has lapsed	Ref document number: 81102041.1 Effective date: 19921005

Publication	Publication Date	Title
GB2078385B (en)	1984-02-01	Toner for electrophotography
GB2092320B (en)	1984-10-10	Electrophotographic photosensitive member
DE3174159D1 (en)	1986-04-24	Electrophotographic toner
DE3172873D1 (en)	1985-12-19	Electrophotographic member
GB2091434B (en)	1984-09-12	Electrophotographic photosensitive member
DE3175958D1 (en)	1987-04-09	Electrostatic copying apparatus
GB8312042D0 (en)	1983-06-08	Electrophotographic photoconductors
GB2088576B (en)	1984-02-08	Electrophotographic photosensitive member
GB2114766B (en)	1985-05-22	Electrophotographic photoreceptor
DE2962168D1 (en)	1982-03-25	Xerographic copier
DE3163563D1 (en)	1984-06-20	Electrostatic copying apparatus
GB2088074B (en)	1984-12-19	Electrophotographic photosensitive member
GB2089055B (en)	1984-05-10	Electrophotographic photosensitive materials
GB2087579B (en)	1984-04-11	Electrophotographic photosensitive member
GB2092323B (en)	1984-09-12	Electrophotographic photosensitive member
DE3171184D1 (en)	1985-08-08	Electrostatic copying apparatus
GB2103381B (en)	1985-01-30	Electrophotographic photoreceptor
JPS57164768A (en)	1982-10-09	Toner charging system
DE3161932D1 (en)	1984-02-23	Electrophotographic copier including charge erase device
GB2092321B (en)	1984-10-17	Electrophotographic photosensitive member
GB2106834B (en)	1985-08-21	Photocopying by electrophotography
DE3162574D1 (en)	1984-04-19	Xerographic copier including controllable erase system
GB2091897B (en)	1985-07-24	Xerographic developer
JPS57124364A (en)	1982-08-03	Electrophotographic system
GB2094714B (en)	1984-09-12	Electrostatic copying apparatus