FR647970A - Shutter for cameras - Google Patents

Shutter for cameras

Info

Publication number
FR647970A
FR647970A FR647970DA FR647970A FR 647970 A FR647970 A FR 647970A FR 647970D A FR647970D A FR 647970DA FR 647970 A FR647970 A FR 647970A
Authority
FR
France
Prior art keywords
shutter
cameras
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)
Inventor
Jacques Wolf
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 FR647970A publication Critical patent/FR647970A/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)
FR647970D 1927-01-25 1928-01-27 Shutter for cameras Expired FR647970A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH647970X 1927-01-25

Publications (1)

Publication Number Publication Date
FR647970A true FR647970A (en) 1928-12-04

Family

ID=4525903

Family Applications (1)

Application Number Title Priority Date Filing Date
FR647970D Expired FR647970A (en) 1927-01-25 1928-01-27 Shutter for cameras

Country Status (1)

Country Link
FR (1) FR647970A (en)

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