FR1415018A - Diaphragm regulator for cameras - Google Patents

Diaphragm regulator for cameras

Info

Publication number
FR1415018A
FR1415018A FR991400A FR991400A FR1415018A FR 1415018 A FR1415018 A FR 1415018A FR 991400 A FR991400 A FR 991400A FR 991400 A FR991400 A FR 991400A FR 1415018 A FR1415018 A FR 1415018A
Authority
FR
France
Prior art keywords
cameras
diaphragm regulator
diaphragm
regulator
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
FR991400A
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.)
Pentacon GmbH Foto und Feinwerktechnik
Original Assignee
Pentacon Dresden VEB
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 Pentacon Dresden VEB filed Critical Pentacon Dresden VEB
Priority to FR991400A priority Critical patent/FR1415018A/en
Application granted granted Critical
Publication of FR1415018A publication Critical patent/FR1415018A/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
    • G03B7/00—Control of exposure by setting shutters, diaphragms or filters, separately or conjointly
    • G03B7/08—Control effected solely on the basis of the response, to the intensity of the light received by the camera, of a built-in light-sensitive device
    • G03B7/081—Analogue circuits
    • G03B7/085—Analogue circuits for control of aperture
    • 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)
FR991400A 1964-10-14 1964-10-14 Diaphragm regulator for cameras Expired FR1415018A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR991400A FR1415018A (en) 1964-10-14 1964-10-14 Diaphragm regulator for cameras

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR991400A FR1415018A (en) 1964-10-14 1964-10-14 Diaphragm regulator for cameras

Publications (1)

Publication Number Publication Date
FR1415018A true FR1415018A (en) 1965-10-22

Family

ID=8840325

Family Applications (1)

Application Number Title Priority Date Filing Date
FR991400A Expired FR1415018A (en) 1964-10-14 1964-10-14 Diaphragm regulator for cameras

Country Status (1)

Country Link
FR (1) FR1415018A (en)

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