FR825430A - Photographic slit shutter - Google Patents

Photographic slit shutter

Info

Publication number: FR825430A
Authority: FR; France
Prior art keywords: slit shutter; photographic; photographic slit; shutter; slit
Prior art date: 1936-08-12
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

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.)

Zeiss Ikon AG

Original Assignee

Zeiss Ikon 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.)

1936-08-12

Filing date

1937-08-09

Publication date

1938-03-03

1937-08-09 Application filed by Zeiss Ikon AG filed Critical Zeiss Ikon AG

1938-03-03 Application granted granted Critical

1938-03-03 Publication of FR825430A publication Critical patent/FR825430A/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
- G03B9/00—Exposure-making shutters; Diaphragms
- G03B9/08—Shutters
- G03B9/28—Roller blind or flexible plate
- G03B9/32—Double blind

Landscapes

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

FR825430D 1936-08-12 1937-08-09 Photographic slit shutter Expired FR825430A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE825430X		1936-08-12

Publications (1)

Publication Number	Publication Date
FR825430A true FR825430A (en)	1938-03-03

Family

ID=6747535

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR825430D Expired FR825430A (en)	1936-08-12	1937-08-09	Photographic slit shutter

Country Status (1)

Country	Link
FR (1)	FR825430A (en)

1937
- 1937-08-09 FR FR825430D patent/FR825430A/en not_active Expired

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