DE2125649A1 - - Google Patents

Info

Publication number
DE2125649A1
DE2125649A1 DE19712125649 DE2125649A DE2125649A1 DE 2125649 A1 DE2125649 A1 DE 2125649A1 DE 19712125649 DE19712125649 DE 19712125649 DE 2125649 A DE2125649 A DE 2125649A DE 2125649 A1 DE2125649 A1 DE 2125649A1
Authority
DE
Germany
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.)
Granted
Application number
DE19712125649
Other languages
German (de)
Other versions
DE2125649C2 (de
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 filed Critical
Publication of DE2125649A1 publication Critical patent/DE2125649A1/de
Application granted granted Critical
Publication of DE2125649C2 publication Critical patent/DE2125649C2/de
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
    • G03B7/083—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
    • G03B19/00—Cameras
    • G03B19/02—Still-picture cameras
    • G03B19/12—Reflex cameras with single objective and a movable reflector or a partly-transmitting mirror

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutters For Cameras (AREA)
DE2125649A 1970-05-23 1971-05-24 Verfahren und Anordnung zur automatischen Belichtungszeitsteuerung für einäugige Spiegelreflexkameras Expired DE2125649C2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5075570 1970-05-23

Publications (2)

Publication Number Publication Date
DE2125649A1 true DE2125649A1 (enExample) 1972-10-12
DE2125649C2 DE2125649C2 (de) 1975-04-10

Family

ID=12867642

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2125649A Expired DE2125649C2 (de) 1970-05-23 1971-05-24 Verfahren und Anordnung zur automatischen Belichtungszeitsteuerung für einäugige Spiegelreflexkameras

Country Status (4)

Country Link
US (1) US3812497A (enExample)
DE (1) DE2125649C2 (enExample)
FR (1) FR2091629A5 (enExample)
GB (1) GB1335249A (enExample)

Also Published As

Publication number Publication date
FR2091629A5 (enExample) 1972-01-14
US3812497A (en) 1974-05-21
DE2125649C2 (de) 1975-04-10
GB1335249A (en) 1973-10-24

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Legal Events

Date Code Title Description
8320 Willingness to grant licences declared (paragraph 23)