FR2037880A5 - - Google Patents

Info

Publication number
FR2037880A5
FR2037880A5 FR7008511A FR7008511A FR2037880A5 FR 2037880 A5 FR2037880 A5 FR 2037880A5 FR 7008511 A FR7008511 A FR 7008511A FR 7008511 A FR7008511 A FR 7008511A FR 2037880 A5 FR2037880 A5 FR 2037880A5
Authority
FR
France
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
FR7008511A
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 AG
Original Assignee
Agfa Gevaert 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
Priority claimed from DE19691914945 external-priority patent/DE1914945C3/de
Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG
Application granted granted Critical
Publication of FR2037880A5 publication Critical patent/FR2037880A5/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
    • 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
    • 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
    • G03B7/083—Analogue circuits for control of exposure time
    • 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
    • G03B7/087—Analogue circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Diaphragms For Cameras (AREA)
FR7008511A 1969-03-24 1970-03-10 Expired FR2037880A5 (cg-RX-API-DMAC7.html)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691914945 DE1914945C3 (de) 1969-03-24 Meßwerklose gleichstromgespeiste automatische Belichtungssteuereinrichtung

Publications (1)

Publication Number Publication Date
FR2037880A5 true FR2037880A5 (cg-RX-API-DMAC7.html) 1970-12-31

Family

ID=5729139

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7008511A Expired FR2037880A5 (cg-RX-API-DMAC7.html) 1969-03-24 1970-03-10

Country Status (3)

Country Link
US (1) US3641888A (cg-RX-API-DMAC7.html)
FR (1) FR2037880A5 (cg-RX-API-DMAC7.html)
GB (1) GB1309801A (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5406348A (en) * 1993-11-24 1995-04-11 Eastman Kodak Company Camera control/autofocusing system
EP1571487A2 (en) * 2001-06-12 2005-09-07 Fuji Photo Film Co., Ltd. Camera and shutter device

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1231546B (de) * 1964-08-27 1966-12-29 Agfa Gevaert Ag Fotografische Kamera mit einer Belichtungssteuereinrichtung
DE1276437B (de) * 1965-02-09 1968-08-29 Agfa Gevaert Ag Messwerksloser automatischer Verschluss fuer eine fotografische Kamera
DE1472635A1 (de) * 1965-03-26 1969-07-10 Gossen & Co Gmbh P Schaltungsanordnung fuer elektronische Verschluesse
DE1497892A1 (de) * 1966-02-04 1969-06-12 Agfa Gevaert Ag Fotografische Kamera mit einer Belichtungssteuervorrichtung
DE1497894A1 (de) * 1966-02-09 1969-07-03 Agfa Gevaert Ag Fotografische Kamera mit einem lichtgesteuerten Verzoegerungsschaltkreis
US3464332A (en) * 1966-05-12 1969-09-02 Polaroid Corp Automatic exposure control system

Also Published As

Publication number Publication date
GB1309801A (en) 1973-03-14
US3641888A (en) 1972-02-15
DE1914945A1 (de) 1970-10-08
DE1914945B2 (de) 1975-08-28

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Legal Events

Date Code Title Description
ST Notification of lapse