FR835558A - Photographic slit shutter - Google Patents

Photographic slit shutter

Info

Publication number: FR835558A
Authority: FR; France
Prior art keywords: slit shutter; photographic; photographic slit; shutter; slit
Prior art date: 1937-06-10
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.)

1937-06-10

Filing date

1938-03-21

Publication date

1938-12-26

1938-03-21 Application filed by Zeiss Ikon AG filed Critical Zeiss Ikon AG

1938-12-26 Application granted granted Critical

1938-12-26 Publication of FR835558A publication Critical patent/FR835558A/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
- G03B9/34—Double blind with adjustable slot; with mechanism controlling relative movement of blinds to form slot

Landscapes

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

FR835558D 1937-06-10 1938-03-21 Photographic slit shutter Expired FR835558A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE835558X		1937-06-10

Publications (1)

Publication Number	Publication Date
FR835558A true FR835558A (en)	1938-12-26

Family

ID=6760947

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR835558D Expired FR835558A (en)	1937-06-10	1938-03-21	Photographic slit shutter

Country Status (1)

Country	Link
FR (1)	FR835558A (en)

1938
- 1938-03-21 FR FR835558D patent/FR835558A/en not_active Expired

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