FR516237A - Heavy Duty Airplane Camera Lens Shutter - Google Patents

Heavy Duty Airplane Camera Lens Shutter

Info

Publication number
FR516237A
FR516237A FR516237A FR516237DA FR516237A FR 516237 A FR516237 A FR 516237A FR 516237 A FR516237 A FR 516237A FR 516237D A FR516237D A FR 516237DA FR 516237 A FR516237 A FR 516237A
Authority
FR
France
Prior art keywords
camera lens
heavy duty
lens shutter
airplane
airplane camera
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
FR516237A
Other languages
French (fr)
Inventor
Georges-Jean Poivilliers
Robert Dumont
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR516237A publication Critical patent/FR516237A/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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/10—Blade or disc rotating or pivoting about axis normal to its plane
    • G03B9/18—More than two members
    • G03B9/20—More than two members each moving in a single direction first to open and then to reclose
FR516237A 1920-06-01 1920-06-01 Heavy Duty Airplane Camera Lens Shutter Expired FR516237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR516237T 1920-06-01

Publications (1)

Publication Number Publication Date
FR516237A true FR516237A (en) 1921-04-15

Family

ID=8915161

Family Applications (1)

Application Number Title Priority Date Filing Date
FR516237A Expired FR516237A (en) 1920-06-01 1920-06-01 Heavy Duty Airplane Camera Lens Shutter

Country Status (1)

Country Link
FR (1) FR516237A (en)

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