FR71917E - Obturateur d'objectif photographique - Google Patents

Obturateur d'objectif photographique

Info

Publication number
FR71917E
FR71917E FR71917DA FR71917E FR 71917 E FR71917 E FR 71917E FR 71917D A FR71917D A FR 71917DA FR 71917 E FR71917 E FR 71917E
Authority
FR
France
Prior art keywords
photographic lens
lens shutter
shutter
photographic
lens
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
Erich Burger
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 FR71917E publication Critical patent/FR71917E/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
    • G03B9/10—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)
FR71917D 1953-04-23 1953-04-23 Obturateur d'objectif photographique Expired FR71917E (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR71917T 1953-04-23

Publications (1)

Publication Number Publication Date
FR71917E true FR71917E (fr) 1960-03-14

Family

ID=8703438

Family Applications (1)

Application Number Title Priority Date Filing Date
FR71917D Expired FR71917E (fr) 1953-04-23 1953-04-23 Obturateur d'objectif photographique

Country Status (1)

Country Link
FR (1) FR71917E (fr)

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