FR835213A - Improvements to photographic shutters - Google Patents

Improvements to photographic shutters

Info

Publication number
FR835213A
FR835213A FR835213DA FR835213A FR 835213 A FR835213 A FR 835213A FR 835213D A FR835213D A FR 835213DA FR 835213 A FR835213 A FR 835213A
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 FR835213A publication Critical patent/FR835213A/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
    • G03B9/22—More than two members each moving in one direction to open and then in opposite direction to close, e.g. iris type

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR835213D 1936-10-30 1937-10-30 Improvements to photographic shutters Expired FR835213A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US835213XA 1936-10-30 1936-10-30

Publications (1)

Publication Number Publication Date
FR835213A true FR835213A (en) 1938-12-15

Family

ID=22178866

Family Applications (1)

Application Number Title Priority Date Filing Date
FR835213D Expired FR835213A (en) 1936-10-30 1937-10-30 Improvements to photographic shutters

Country Status (1)

Country Link
FR (1) FR835213A (en)

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