FR837579A - Improvements to cameras - Google Patents

Improvements to cameras

Info

Publication number: FR837579A
Authority: FR; France
Prior art keywords: cameras
Prior art date: 1937-05-05
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.)

Kodak Pathe SA

Original Assignee

Kodak Pathe SA

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.)

1937-05-05

Filing date

1938-05-05

Publication date

1939-02-14

1938-05-05 Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA

1939-02-14 Application granted granted Critical

1939-02-14 Publication of FR837579A publication Critical patent/FR837579A/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
- G03B13/00—Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras
- G03B13/18—Focusing aids
- G03B13/20—Rangefinders coupled with focusing arrangements, e.g. adjustment of rangefinder automatically focusing camera

Landscapes

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

FR837579D 1937-05-05 1938-05-05 Improvements to cameras Expired FR837579A (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB837579X		1937-05-05

Publications (1)

Publication Number	Publication Date
FR837579A true FR837579A (en)	1939-02-14

Family

ID=10554300

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
FR837579D Expired FR837579A (en)	1937-05-05	1938-05-05	Improvements to cameras

Country Status (1)

Country	Link
FR (1)	FR837579A (en)

1938
- 1938-05-05 FR FR837579D patent/FR837579A/en not_active Expired

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