FR50267E - Photographic slit shutter - Google Patents

Photographic slit shutter

Info

Publication number: FR50267E
Authority: FR; France
Prior art keywords: slit shutter; photographic; photographic slit; shutter; slit
Prior art date: 1939-03-07
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.)

Ernst Leitz Wetzlar GmbH

Original Assignee

Ernst Leitz Wetzlar GmbH

Ernst Leitz GmbH

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.)

1939-03-07

Filing date

1939-03-07

Publication date

1940-01-29

1939-03-07 Application filed by Ernst Leitz Wetzlar GmbH, Ernst Leitz GmbH filed Critical Ernst Leitz Wetzlar GmbH

1940-01-29 Application granted granted Critical

1940-01-29 Publication of FR50267E publication Critical patent/FR50267E/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)

FR50267D 1939-03-07 1939-03-07 Photographic slit shutter Expired FR50267E (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR50267T		1939-03-07

Publications (1)

Publication Number	Publication Date
FR50267E true FR50267E (en)	1940-01-29

Family

ID=8685294

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR50267D Expired FR50267E (en)	1939-03-07	1939-03-07	Photographic slit shutter

Country Status (1)

Country	Link
FR (1)	FR50267E (en)

1939
- 1939-03-07 FR FR50267D patent/FR50267E/en not_active Expired

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