FR870908A - Obturateur d'objectif photographique - Google Patents

Obturateur d'objectif photographique

Info

Publication number
FR870908A
FR870908A FR870908DA FR870908A FR 870908 A FR870908 A FR 870908A FR 870908D A FR870908D A FR 870908DA FR 870908 A FR870908 A FR 870908A
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)
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.)
FRIEDRICH DECKEL PRAZISIONS-MECHANIK ET MASCHINENBAU
Original Assignee
FRIEDRICH DECKEL PRAZISIONS-MECHANIK ET MASCHINENBAU
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 FRIEDRICH DECKEL PRAZISIONS-MECHANIK ET MASCHINENBAU filed Critical FRIEDRICH DECKEL PRAZISIONS-MECHANIK ET MASCHINENBAU
Application granted granted Critical
Publication of FR870908A publication Critical patent/FR870908A/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)
FR870908D 1940-01-19 1941-03-15 Obturateur d'objectif photographique Expired FR870908A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE870908X 1940-01-19

Publications (1)

Publication Number Publication Date
FR870908A true FR870908A (fr) 1942-03-30

Family

ID=6809615

Family Applications (1)

Application Number Title Priority Date Filing Date
FR870908D Expired FR870908A (fr) 1940-01-19 1941-03-15 Obturateur d'objectif photographique

Country Status (1)

Country Link
FR (1) FR870908A (fr)

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