FR980403A - Improvement in photographic shutters - Google Patents

Improvement in photographic shutters

Info

Publication number
FR980403A
FR980403A FR980403DA FR980403A FR 980403 A FR980403 A FR 980403A FR 980403D A FR980403D A FR 980403DA FR 980403 A FR980403 A FR 980403A
Authority
FR
France
Prior art keywords
improvement
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 FR980403A publication Critical patent/FR980403A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR980403D 1947-11-22 1948-11-22 Improvement in photographic shutters Expired FR980403A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US980403XA 1947-11-22 1947-11-22

Publications (1)

Publication Number Publication Date
FR980403A true FR980403A (en) 1951-05-11

Family

ID=22266500

Family Applications (1)

Application Number Title Priority Date Filing Date
FR980403D Expired FR980403A (en) 1947-11-22 1948-11-22 Improvement in photographic shutters

Country Status (1)

Country Link
FR (1) FR980403A (en)

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