CH545487A - Mikrofilmlesegerät - Google Patents

Mikrofilmlesegerät

Info

Publication number: CH545487A
Authority: CH; Switzerland
Prior art keywords: microfilm reader; microfilm; reader
Prior art date: 1971-04-06

Application number

CH494572A

Other languages

English (en)

Inventor

Pfeifer Josef O I

Ambraschka Kasimir

Koopmann Adolf

Hofmann Wolfried

Dietrich Karl-Heinz

Rauffer Walter

Original Assignee

Agfa Gevaert Ag

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.)

1971-04-06

Filing date

1972-04-05

Publication date

1973-12-15

1972-04-05 Application filed by Agfa Gevaert Ag filed Critical Agfa Gevaert Ag

1973-12-15 Publication of CH545487A publication Critical patent/CH545487A/de

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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/10—Projectors with built-in or built-on screen
- G03B21/11—Projectors with built-in or built-on screen for microfilm reading
- G03B21/115—Projectors with built-in or built-on screen for microfilm reading of microfiches

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)
Projection Apparatus (AREA)
Overhead Projectors And Projection Screens (AREA)

CH494572A 1971-04-06 1972-04-05 Mikrofilmlesegerät CH545487A (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE2116813A DE2116813C3 (de)	1971-04-06	1971-04-06	Mikrofilmlesegerät

Publications (1)

Publication Number	Publication Date
CH545487A true CH545487A (de)	1973-12-15

Family

ID=5804041

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
CH494572A CH545487A (de)	1971-04-06	1972-04-05	Mikrofilmlesegerät

Country Status (7)

Country	Link
US (1)	US3792923A (de)
CA (1)	CA953553A (de)
CH (1)	CH545487A (de)
DE (1)	DE2116813C3 (de)
FR (1)	FR2136151A5 (de)
GB (1)	GB1392222A (de)
IT (1)	IT960306B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2654320A1 (de) *	1976-07-22	1978-06-01	Agfa Gevaert Ag	Mikrofilmlesegeraet
DE2911090C3 (de) *	1979-03-21	1982-01-14	Agfa-Gevaert Ag, 5090 Leverkusen	Mehrfach-Objektivträger in einem Mikrofilm-Lesegerät
US4410248A (en) *	1982-04-16	1983-10-18	Realist, Inc.	Optical and focusing arrangement for microfiche reader
US4836667A (en) *	1986-05-06	1989-06-06	Slidex Corporation	Microscope
US4961641A (en) *	1989-11-29	1990-10-09	Leon Segal	Slide projector with ergonomic slide selection and access

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US1918468A (en) *	1929-03-13	1933-07-18	George L Brown Sr	Condensed cataloging and projecting machine

1971
- 1971-04-06 DE DE2116813A patent/DE2116813C3/de not_active Expired
1972
- 1972-04-04 US US00240981A patent/US3792923A/en not_active Expired - Lifetime
- 1972-04-04 FR FR7211778A patent/FR2136151A5/fr not_active Expired
- 1972-04-04 IT IT89507/72A patent/IT960306B/it active
- 1972-04-05 CH CH494572A patent/CH545487A/de not_active IP Right Cessation
- 1972-04-05 CA CA138,904A patent/CA953553A/en not_active Expired
- 1972-04-06 GB GB1597872A patent/GB1392222A/en not_active Expired

Also Published As

Publication number	Publication date
DE2116813A1 (de)	1972-10-19
DE2116813B2 (de)	1977-10-27
IT960306B (it)	1973-11-20
GB1392222A (en)	1975-04-30
CA953553A (en)	1974-08-27
DE2116813C3 (de)	1978-06-15
FR2136151A5 (de)	1972-12-22
US3792923A (en)	1974-02-19

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Legal Events

Date	Code	Title	Description
1986-12-31	PL	Patent ceased