FR856365A - Improvements to photographic shutters - Google Patents

Improvements to photographic shutters

Info

Publication number
FR856365A
FR856365A FR856365DA FR856365A FR 856365 A FR856365 A FR 856365A FR 856365D A FR856365D A FR 856365DA FR 856365 A FR856365 A FR 856365A
Authority
FR
France
Prior art keywords
photographic shutters
shutters
photographic
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.)
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.)
Filing date
Publication date
Application filed by Kodak Pathe SA filed Critical Kodak Pathe SA
Application granted granted Critical
Publication of FR856365A publication Critical patent/FR856365A/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
    • G03B9/28—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)
FR856365D 1938-06-07 1939-06-07 Improvements to photographic shutters Expired FR856365A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US856365XA 1938-06-07 1938-06-07

Publications (1)

Publication Number Publication Date
FR856365A true FR856365A (en) 1940-06-12

Family

ID=22192946

Family Applications (1)

Application Number Title Priority Date Filing Date
FR856365D Expired FR856365A (en) 1938-06-07 1939-06-07 Improvements to photographic shutters

Country Status (1)

Country Link
FR (1) FR856365A (en)

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