FR1007969A - Improvements to devices such as viewfinders for photographic or other cameras - Google Patents

Improvements to devices such as viewfinders for photographic or other cameras

Info

Publication number
FR1007969A
FR1007969A FR1007969DA FR1007969A FR 1007969 A FR1007969 A FR 1007969A FR 1007969D A FR1007969D A FR 1007969DA FR 1007969 A FR1007969 A FR 1007969A
Authority
FR
France
Prior art keywords
viewfinders
photographic
cameras
devices
Prior art date
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
French (fr)
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.)
PHOTOGRAPHIE ET D OPTIQUE SOC
Original Assignee
PHOTOGRAPHIE ET D OPTIQUE SOC
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.)
Filing date
Publication date
Application filed by PHOTOGRAPHIE ET D OPTIQUE SOC filed Critical PHOTOGRAPHIE ET D OPTIQUE SOC
Application granted granted Critical
Publication of FR1007969A publication Critical patent/FR1007969A/en
Expired legal-status Critical Current

Links

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
    • G03B13/02—Viewfinders
FR1007969D 1948-04-21 1948-04-21 Improvements to devices such as viewfinders for photographic or other cameras Expired FR1007969A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1007969T 1948-04-21

Publications (1)

Publication Number Publication Date
FR1007969A true FR1007969A (en) 1952-05-12

Family

ID=9567029

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1007969D Expired FR1007969A (en) 1948-04-21 1948-04-21 Improvements to devices such as viewfinders for photographic or other cameras

Country Status (1)

Country Link
FR (1) FR1007969A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923196A (en) * 1957-02-09 1960-02-02 Voigtlaender Ag Photographic view finder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2923196A (en) * 1957-02-09 1960-02-02 Voigtlaender Ag Photographic view finder

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