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CH451691A - Automatische Belichtungs-Regelvorrichtung für photographische Apparate - Google Patents

Automatische Belichtungs-Regelvorrichtung für photographische Apparate

Info

Publication number
CH451691A
CH451691A CH399964A CH399964A CH451691A CH 451691 A CH451691 A CH 451691A CH 399964 A CH399964 A CH 399964A CH 399964 A CH399964 A CH 399964A CH 451691 A CH451691 A CH 451691A
Authority
CH
Switzerland
Prior art keywords
control device
exposure control
automatic exposure
photographic apparatus
photographic
Prior art date
Application number
CH399964A
Other languages
English (en)
Inventor
Paul Burgarella John
Myles Topaz Jeremy
Original Assignee
Polaroid Corp
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 US268881A external-priority patent/US3205803A/en
Priority claimed from US269000A external-priority patent/US3200723A/en
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of CH451691A publication Critical patent/CH451691A/de

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
CH399964A 1963-03-29 1964-03-26 Automatische Belichtungs-Regelvorrichtung für photographische Apparate CH451691A (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US268881A US3205803A (en) 1963-03-29 1963-03-29 Shutter timing apparatus
US269000A US3200723A (en) 1963-03-29 1963-03-29 Shutter timing apparatus

Publications (1)

Publication Number Publication Date
CH451691A true CH451691A (de) 1968-05-15

Family

ID=26953382

Family Applications (1)

Application Number Title Priority Date Filing Date
CH399964A CH451691A (de) 1963-03-29 1964-03-26 Automatische Belichtungs-Regelvorrichtung für photographische Apparate

Country Status (3)

Country Link
CH (1) CH451691A (de)
DE (1) DE1299218B (de)
NL (1) NL140987B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347700A1 (fr) * 1976-04-08 1977-11-04 Polaroid Corp Appareil de prise de vues photographiques comportant un flash electronique a extinction a retard fixe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2347700A1 (fr) * 1976-04-08 1977-11-04 Polaroid Corp Appareil de prise de vues photographiques comportant un flash electronique a extinction a retard fixe

Also Published As

Publication number Publication date
NL140987B (nl) 1974-01-15
DE1299218B (de) 1969-07-10
NL6403303A (de) 1964-09-30

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