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FR701009A - Central shutter for photographic lenses - Google Patents

Central shutter for photographic lenses

Info

Publication number
FR701009A
FR701009A FR701009DA FR701009A FR 701009 A FR701009 A FR 701009A FR 701009D A FR701009D A FR 701009DA FR 701009 A FR701009 A FR 701009A
Authority
FR
France
Prior art keywords
photographic lenses
central shutter
shutter
central
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)
Inventor
Arpad Barenyi
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 FR701009A publication Critical patent/FR701009A/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)
FR701009D 1929-10-25 1930-08-23 Central shutter for photographic lenses Expired FR701009A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE701009X 1929-10-25

Publications (1)

Publication Number Publication Date
FR701009A true FR701009A (en) 1931-03-10

Family

ID=6610291

Family Applications (1)

Application Number Title Priority Date Filing Date
FR701009D Expired FR701009A (en) 1929-10-25 1930-08-23 Central shutter for photographic lenses

Country Status (1)

Country Link
FR (1) FR701009A (en)

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