FR721504A - Appareil photographique - Google Patents

Appareil photographique

Info

Publication number
FR721504A
FR721504A FR721504DA FR721504A FR 721504 A FR721504 A FR 721504A FR 721504D A FR721504D A FR 721504DA FR 721504 A FR721504 A FR 721504A
Authority
FR
France
Prior art keywords
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
Other languages
English (en)
Inventor
Pierre Govaerts
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 filed Critical
Application granted granted Critical
Publication of FR721504A publication Critical patent/FR721504A/fr
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
    • G03B9/28—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)
FR721504D 1930-07-25 1931-07-20 Appareil photographique Expired FR721504A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE721504X 1930-07-25

Publications (1)

Publication Number Publication Date
FR721504A true FR721504A (fr) 1932-03-04

Family

ID=3878905

Family Applications (1)

Application Number Title Priority Date Filing Date
FR721504D Expired FR721504A (fr) 1930-07-25 1931-07-20 Appareil photographique

Country Status (1)

Country Link
FR (1) FR721504A (fr)

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