CA937797A - Microfilm projection apparatus - Google Patents

Microfilm projection apparatus

Info

Publication number: CA937797A
Authority: CA; Canada
Prior art keywords: projection apparatus; microfilm projection; microfilm; projection
Prior art date: 1969-08-13
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.): Expired

Application number

CA083466A

Other languages

English (en)

Inventor

E. Blackert John

S. Towers Harvey

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.)

1969-08-13

Filing date

1970-05-22

Publication date

1973-12-04

1970-05-22 Application filed by Xerox Corp filed Critical Xerox Corp

1973-12-04 Application granted granted Critical

1973-12-04 Publication of CA937797A publication Critical patent/CA937797A/en

Status Expired legal-status Critical Current

Classifications

- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/522—Projection optics
- G03B27/525—Projection optics for slit exposure
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/50—Projection printing apparatus, e.g. enlarger, copying camera with slit or like diaphragm moving over original for progressive exposure
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B27/00—Photographic printing apparatus
- G03B27/32—Projection printing apparatus, e.g. enlarger, copying camera
- G03B27/52—Details
- G03B27/62—Holders for the original

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Optics & Photonics (AREA)
Projection-Type Copiers In General (AREA)
Combination Of More Than One Step In Electrophotography (AREA)

CA083466A 1969-08-13 1970-05-22 Microfilm projection apparatus Expired CA937797A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US84967469A	1969-08-13	1969-08-13

Publications (1)

Publication Number	Publication Date
CA937797A true CA937797A (en)	1973-12-04

Family

ID=25306254

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CA083466A Expired CA937797A (en)	1969-08-13	1970-05-22	Microfilm projection apparatus

Country Status (5)

Country	Link
US (1)	US3652157A (de)
CA (1)	CA937797A (de)
DE (1)	DE2040399A1 (de)
GB (1)	GB1324097A (de)
NL (1)	NL7011690A (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2312185A1 (de) *	1972-04-11	1973-10-18	Johann Dr Rotter	Projektionsgeraet
US4011011A (en) *	1973-03-09	1977-03-08	The Perkin-Elmer Corporation	Optical projection apparatus
CA1029431A (en) *	1973-08-31	1978-04-11	Lawrence R. Sohm	Dual mode control logic for a multi-mode copier/duplicator
US3909128A (en) *	1973-08-31	1975-09-30	Xerox Corp	Control logic for changing a multi-mode copier/duplicator from one mode to another
US3957368A (en) *	1973-09-27	1976-05-18	Canon Kabushiki Kaisha	Optical system for copying sheet originals and thick orginals
GB1516670A (en) *	1975-12-17	1978-07-05	Vinten Ltd	Line-by-line reduced size photocopiers
US4059355A (en) *	1976-11-08	1977-11-22	Micro-Copy, Inc.	Micro-composing reduction printer
US4678320A (en) *	1985-06-06	1987-07-07	Sharp Kabushiki Kaisha	Copying machine
US5058820A (en) *	1987-01-30	1991-10-22	Canon Kabushiki Kaisha	Strip-like member take-up device
US5021833A (en) *	1988-12-13	1991-06-04	Sharp Kabushiki Kaisha	Copying machine with multiple light sources
US5140442A (en) *	1989-08-18	1992-08-18	Mita Industrial Co., Ltd.	Image forming apparatus having an additional data recording means
US5228856A (en) *	1991-02-11	1993-07-20	Hughes Aircraft Company	Optics approach to low side compliance simulation

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US2130562A (en) *	1936-03-11	1938-09-20	Plant Liquidation Corp	Selecting and indicating device
US2347938A (en) *	1940-02-23	1944-05-02	Rca Corp	Sound film printer
US2532542A (en) *	1947-12-23	1950-12-05	D Avit Raymond Fernan Valentin	Means for the driving of motion-picture film
US2939362A (en) *	1959-02-16	1960-06-07	American Optical Corp	Optical image transfer devices

1969
- 1969-08-13 US US849674A patent/US3652157A/en not_active Expired - Lifetime
1970
- 1970-05-22 CA CA083466A patent/CA937797A/en not_active Expired
- 1970-08-07 NL NL7011690A patent/NL7011690A/xx unknown
- 1970-08-12 GB GB3877270A patent/GB1324097A/en not_active Expired
- 1970-08-13 DE DE19702040399 patent/DE2040399A1/de active Pending

Also Published As

Publication number	Publication date
US3652157A (en)	1972-03-28
NL7011690A (de)	1971-02-16
DE2040399A1 (de)	1971-02-25
GB1324097A (en)	1973-07-18

Publication	Publication Date	Title
CA925927A (en)	1973-05-08	Copying apparatus
CA937797A (en)	1973-12-04	Microfilm projection apparatus
IL34062A0 (en)	1970-05-21	Film projection system
CA948842A (en)	1974-06-11	Image developing apparatus
CA976225A (en)	1975-10-14	Photocopying apparatus
CA929585A (en)	1973-07-03	Photoelectrostatic copying apparatus
CA936730A (en)	1973-11-13	Photographic apparatus
CA938653A (en)	1973-12-18	Photocopying apparatus
CA946665A (en)	1974-05-07	Photographic apparatus
CA928552A (en)	1973-06-19	Photographic apparatus
CA930225A (en)	1973-07-17	Photographic developer apparatus
CA814165A (en)	1969-06-03	Character projection unit
CA830320A (en)	1969-12-23	Projection stage apparatus
CA808936A (en)	1969-03-25	Photographic apparatus
AU439637B2 (en)	1972-05-25	Photographic apparatus
CA929011A (en)	1973-06-26	Photographic apparatus
CA819432A (en)	1969-08-05	Photographic apparatus
CA805426A (en)	1969-02-04	Photographic apparatus
CA803764A (en)	1969-01-14	Photographic apparatus
CA803216A (en)	1969-01-07	Photographic apparatus
AU454800B2 (en)	1972-02-17	Photographic apparatus
AU419402B2 (en)	1971-02-04	Photographic apparatus
CA807929A (en)	1969-03-11	Photographic apparatus
CA817785A (en)	1969-07-15	Kinematographic apparatus
CA807045A (en)	1969-02-25	Sprocketless projector