FR1296609A - Obturateur à ouverture concentrique progressive - Google Patents

Obturateur à ouverture concentrique progressive

Info

Publication number
FR1296609A
FR1296609A FR858231A FR858231A FR1296609A FR 1296609 A FR1296609 A FR 1296609A FR 858231 A FR858231 A FR 858231A FR 858231 A FR858231 A FR 858231A FR 1296609 A FR1296609 A FR 1296609A
Authority
FR
France
Prior art keywords
progressive
opening shutter
concentric opening
concentric
shutter
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
FR858231A
Other languages
English (en)
Inventor
Henry Jean Werner
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
Priority to FR858231A priority Critical patent/FR1296609A/fr
Application granted granted Critical
Publication of FR1296609A publication Critical patent/FR1296609A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR858231A 1961-04-10 1961-04-10 Obturateur à ouverture concentrique progressive Expired FR1296609A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR858231A FR1296609A (fr) 1961-04-10 1961-04-10 Obturateur à ouverture concentrique progressive

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR858231A FR1296609A (fr) 1961-04-10 1961-04-10 Obturateur à ouverture concentrique progressive

Publications (1)

Publication Number Publication Date
FR1296609A true FR1296609A (fr) 1962-06-22

Family

ID=8752704

Family Applications (1)

Application Number Title Priority Date Filing Date
FR858231A Expired FR1296609A (fr) 1961-04-10 1961-04-10 Obturateur à ouverture concentrique progressive

Country Status (1)

Country Link
FR (1) FR1296609A (fr)

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