CH611411A5 - - Google Patents

Info

Publication number: CH611411A5
Authority: CH; Switzerland

Application number

CH805176A

Inventor

David K Shogren

Edward C Bock

Edwin Zucker

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.)

1975-06-27

Filing date

1976-06-23

Publication date

1979-05-31

1976-06-23 Application filed by Xerox Corp filed Critical Xerox Corp

1979-05-31 Publication of CH611411A5 publication Critical patent/CH611411A5/xx

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
- G03G15/041—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 variable magnification

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Variable Magnification In Projection-Type Copying Machines (AREA)
Exposure Or Original Feeding In Electrophotography (AREA)
Facsimile Scanning Arrangements (AREA)
Control Or Security For Electrophotography (AREA)
Optical Systems Of Projection Type Copiers (AREA)

CH805176A 1975-06-27 1976-06-23 CH611411A5 (no)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US05/590,906 US4095880A (en)	1975-06-27	1975-06-27	Extended range variable magnification reproduction machine

Publications (1)

Publication Number	Publication Date
CH611411A5 true CH611411A5 (no)	1979-05-31

Family

ID=24364219

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH805176A CH611411A5 (no)	1975-06-27	1976-06-23

Country Status (11)

Country	Link
US (1)	US4095880A (no)
JP (1)	JPS525529A (no)
BE (1)	BE843419A (no)
CA (1)	CA1097723A (no)
CH (1)	CH611411A5 (no)
DE (1)	DE2626521A1 (no)
ES (1)	ES449267A1 (no)
FR (1)	FR2317690A1 (no)
GB (1)	GB1500877A (no)
IT (1)	IT1067588B (no)
NL (1)	NL7607079A (no)

Families Citing this family (33)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4120578A (en) *	1976-09-07	1978-10-17	International Business Machines Corporation	Continuously variable reduction scanning optics drive
GB1525218A (en) *	1976-09-07	1978-09-20	Ibm	Electrophotographic copying machine
US4243312A (en) *	1977-10-11	1981-01-06	Minolta Camera Kabushiki Kaisha	Electrophotographic copying apparatus
JPS54126044A (en) *	1978-03-23	1979-09-29	Canon Inc	Recorder
JPS54133143A (en) *	1978-04-05	1979-10-16	Minolta Camera Co Ltd	Scanning system control device in electrophotographic copier
JPS55124168A (en) *	1979-03-19	1980-09-25	Ricoh Co Ltd	Scanning method in variable power type copying machine and its device
JPS56133756A (en) *	1980-03-25	1981-10-20	Asahi Optical Co Ltd	Optical device for variable magnification copying capable of size enlarging and reducing
US4353643A (en) *	1980-06-02	1982-10-12	Xerox Corporation	Multimagnification mode optical system with rotating and translating lens
US5008712B1 (en) *	1980-10-17	1995-04-18	Canon Kk	Variable magnification copying apparatus and automatic shutdown therefor
GB2087577B (en) *	1980-10-17	1985-05-09	Canon Kk	Variable magnification photocopying
JPS6018971B2 (ja) *	1980-11-26	1985-05-14	株式会社リコー	複写機における照明結像系の駆動装置
US4368976A (en) *	1981-03-09	1983-01-18	Xerox Corporation	Variable speed scanning system
JPS57169772A (en) *	1981-04-13	1982-10-19	Fuji Xerox Co Ltd	Magnification varying mechanism for optical system of copying machine
JPS5835563A (ja) *	1981-08-26	1983-03-02	Canon Inc	複写装置
JPS5854358A (ja) *	1981-09-26	1983-03-31	Canon Inc	変倍複写装置
JPS5870250A (ja) *	1981-10-22	1983-04-26	Canon Inc	複写機
JPS57164762A (en) *	1982-01-22	1982-10-09	Canon Inc	Optical device of copying machine
US4407581A (en) *	1982-05-17	1983-10-04	Xerox Corporation	Compact optical scanning system
JPS5999459A (ja) *	1982-11-29	1984-06-08	Minolta Camera Co Ltd	複写倍率設定装置
JPS58208758A (ja) *	1982-05-28	1983-12-05	Minolta Camera Co Ltd	複写倍率設定装置
US5369733A (en) *	1982-10-01	1994-11-29	Canon Kabushiki Kaisha	Image processing apparatus with apparatus for adjusting a magnification setting
JPS59100426A (ja) *	1982-12-01	1984-06-09	Fuji Xerox Co Ltd	複写機の倍率変換機構
JPS59220722A (ja) *	1983-05-31	1984-12-12	Toshiba Corp	像形成装置
JPS6011829A (ja) *	1983-06-30	1985-01-22	Matsushita Electric Ind Co Ltd	複写倍率変換装置
JPS60105363A (ja) *	1984-06-11	1985-06-10	Canon Inc	画像記録装置
JPS62161161A (ja) *	1986-12-05	1987-07-17	Minolta Camera Co Ltd	複写倍率設定装置
JPS62161163A (ja) *	1986-12-05	1987-07-17	Minolta Camera Co Ltd	複写倍率設定装置
JP2666328B2 (ja) *	1988-02-29	1997-10-22	富士ゼロックス株式会社	複写機
JPH02306266A (ja) *	1989-11-28	1990-12-19	Minolta Camera Co Ltd	画像形成装置
JPH02306267A (ja) *	1989-11-28	1990-12-19	Minolta Camera Co Ltd	画像形成装置
JP2552390B2 (ja) *	1990-10-29	1996-11-13	シャープ株式会社	光学ユニット
JP3483381B2 (ja) *	1996-01-06	2004-01-06	キヤノン株式会社	画像形成装置及びそれを用いた倍率補正方法
US8259366B2 (en) *	2006-07-28	2012-09-04	Canon Kabushiki Kaisha	Image reading apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3640615A (en) *	1967-11-14	1972-02-08	Xerox Corp	Xerographic reproducing apparatus
US3542467A (en) *	1968-04-15	1970-11-24	Xerox Corp	Xerographic reproducing apparatus
US3614222A (en) *	1970-04-24	1971-10-19	Olivetti & Co Spa	Optical drive system for reproducing machine
US3829209A (en) *	1971-06-11	1974-08-13	Xerox Corp	Image registration in a multiple magnification photocopying system
JPS573067B2 (no) *	1973-01-27	1982-01-20
US3897148A (en) *	1973-11-29	1975-07-29	Ibm	Optical scanning system

1975
- 1975-06-27 US US05/590,906 patent/US4095880A/en not_active Expired - Lifetime
1976
- 1976-05-10 CA CA252,084A patent/CA1097723A/en not_active Expired
- 1976-06-14 DE DE19762626521 patent/DE2626521A1/de not_active Ceased
- 1976-06-21 JP JP51073066A patent/JPS525529A/ja active Pending
- 1976-06-22 GB GB25993/76A patent/GB1500877A/en not_active Expired
- 1976-06-23 CH CH805176A patent/CH611411A5/xx not_active IP Right Cessation
- 1976-06-25 ES ES449267A patent/ES449267A1/es not_active Expired
- 1976-06-25 BE BE168321A patent/BE843419A/xx not_active IP Right Cessation
- 1976-06-25 IT IT24761/76A patent/IT1067588B/it active
- 1976-06-25 FR FR7619464A patent/FR2317690A1/fr active Granted
- 1976-06-28 NL NL7607079A patent/NL7607079A/xx not_active Application Discontinuation

Also Published As

Publication number	Publication date
FR2317690A1 (fr)	1977-02-04
IT1067588B (it)	1985-03-16
NL7607079A (nl)	1976-12-29
GB1500877A (en)	1978-02-15
DE2626521A1 (de)	1977-01-20
BE843419A (fr)	1976-12-27
AU1526676A (en)	1978-01-05
FR2317690B1 (no)	1982-10-22
JPS525529A (en)	1977-01-17
CA1097723A (en)	1981-03-17
ES449267A1 (es)	1977-12-01
US4095880A (en)	1978-06-20

Publication	Publication Date	Title
FR2317690B1 (no)	1982-10-22
CS174607B1 (no)	1977-04-29
CS173490B1 (no)	1977-02-28
CS173486B1 (no)	1977-02-28
CS173372B1 (no)	1977-02-28
CS172805B1 (no)	1977-01-28
CS171619B1 (no)	1976-10-29
CS171141B1 (no)	1976-10-29
CS170787B1 (no)	1976-09-15
CH598909A5 (no)	1978-05-12
CH603821A5 (no)	1978-08-31
CH594296A5 (no)	1978-01-13
CH594398A5 (no)	1978-01-13
CH594419A5 (no)	1978-01-13
CH595154A5 (no)	1978-01-31
CH595478A5 (no)	1978-02-15
CH610772A5 (no)	1979-05-15
CH596029A5 (no)	1978-02-28
CH596706A5 (no)	1978-03-15
CH597224A5 (no)	1978-03-31
CH598408A5 (no)	1978-04-28
CH598421A5 (no)	1978-04-28
CH598501A5 (no)	1978-04-28
CH611184A5 (no)	1979-05-31
CH593798A5 (no)	1977-12-15

Legal Events

Date	Code	Title	Description
1982-02-26	PL	Patent ceased
2024-10-31	PL	Patent ceased