FR1323777A - Diaphragm for cameras or cinematography - Google Patents

Diaphragm for cameras or cinematography

Info

Publication number
FR1323777A
FR1323777A FR890669A FR890669A FR1323777A FR 1323777 A FR1323777 A FR 1323777A FR 890669 A FR890669 A FR 890669A FR 890669 A FR890669 A FR 890669A FR 1323777 A FR1323777 A FR 1323777A
Authority
FR
France
Prior art keywords
cinematography
cameras
diaphragm
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
FR890669A
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.)
Agfa Gevaert NV
Original Assignee
Agfa AG
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 Agfa AG filed Critical Agfa AG
Priority to FR890669A priority Critical patent/FR1323777A/en
Application granted granted Critical
Publication of FR1323777A publication Critical patent/FR1323777A/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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR890669A 1962-03-10 1962-03-10 Diaphragm for cameras or cinematography Expired FR1323777A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR890669A FR1323777A (en) 1962-03-10 1962-03-10 Diaphragm for cameras or cinematography

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR890669A FR1323777A (en) 1962-03-10 1962-03-10 Diaphragm for cameras or cinematography

Publications (1)

Publication Number Publication Date
FR1323777A true FR1323777A (en) 1963-04-12

Family

ID=8774483

Family Applications (1)

Application Number Title Priority Date Filing Date
FR890669A Expired FR1323777A (en) 1962-03-10 1962-03-10 Diaphragm for cameras or cinematography

Country Status (1)

Country Link
FR (1) FR1323777A (en)

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