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FR1117941A - Method and device for the automatic adjustment of the diaphragm of a camera - Google Patents

Method and device for the automatic adjustment of the diaphragm of a camera

Info

Publication number
FR1117941A
FR1117941A FR1117941DA FR1117941A FR 1117941 A FR1117941 A FR 1117941A FR 1117941D A FR1117941D A FR 1117941DA FR 1117941 A FR1117941 A FR 1117941A
Authority
FR
France
Prior art keywords
diaphragm
camera
automatic adjustment
adjustment
automatic
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)
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.)
ISK Optics GmbH
Original Assignee
Isco Optische Werke GmbH
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 Isco Optische Werke GmbH filed Critical Isco Optische Werke GmbH
Application granted granted Critical
Publication of FR1117941A publication Critical patent/FR1117941A/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
    • G03B9/02—Diaphragms
    • G03B9/07—Diaphragms with means for presetting the diaphragm

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR1117941D 1954-01-21 1955-01-18 Method and device for the automatic adjustment of the diaphragm of a camera Expired FR1117941A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1117941X 1954-01-21

Publications (1)

Publication Number Publication Date
FR1117941A true FR1117941A (en) 1956-05-29

Family

ID=7724249

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1117941D Expired FR1117941A (en) 1954-01-21 1955-01-18 Method and device for the automatic adjustment of the diaphragm of a camera

Country Status (1)

Country Link
FR (1) FR1117941A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082680B (en) * 1957-01-05 1960-06-02 Schneider Co Optische Werke Permanent magnetic system for generating movements on a circular path
US2965012A (en) * 1956-11-02 1960-12-20 Schneider Co Optische Werke Optical system with diaphragm preselector
US2981169A (en) * 1957-06-08 1961-04-25 Schneider Co Optische Werke Diaphragm preselector for photographic objectives
US3051067A (en) * 1956-08-03 1962-08-28 Canon Camera Co Automatic control mechanism for preset iris diaphragms of photographic cameras

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3051067A (en) * 1956-08-03 1962-08-28 Canon Camera Co Automatic control mechanism for preset iris diaphragms of photographic cameras
US2965012A (en) * 1956-11-02 1960-12-20 Schneider Co Optische Werke Optical system with diaphragm preselector
DE1082680B (en) * 1957-01-05 1960-06-02 Schneider Co Optische Werke Permanent magnetic system for generating movements on a circular path
US2981169A (en) * 1957-06-08 1961-04-25 Schneider Co Optische Werke Diaphragm preselector for photographic objectives

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