FR1147765A - epidiascope - Google Patents

epidiascope

Info

Publication number: FR1147765A
Authority: FR; France
Prior art keywords: epidiascope
Prior art date: 1955-05-11
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

Other languages

Inventor

Carl Butscher

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.)

1955-05-11

Filing date

1956-04-18

Publication date

1957-11-29

1956-04-18 Application filed filed Critical

1957-11-29 Application granted granted Critical

1957-11-29 Publication of FR1147765A publication Critical patent/FR1147765A/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
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/08—Projectors or projection-type viewers; Accessories therefor affording epidiascopic projection

Landscapes

Physics & Mathematics (AREA)
General Physics & Mathematics (AREA)

FR1147765D 1955-05-11 1956-04-18 epidiascope Expired FR1147765A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
CH1147765X		1955-05-11

Publications (1)

Publication Number	Publication Date
FR1147765A true FR1147765A (en)	1957-11-29

Family

ID=4560005

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR1147765D Expired FR1147765A (en)	1955-05-11	1956-04-18	epidiascope

Country Status (1)

Country	Link
FR (1)	FR1147765A (en)

1956
- 1956-04-18 FR FR1147765D patent/FR1147765A/en not_active Expired

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FR1147765A (en)	1957-11-29	epidiascope