BE759091A - Appareil photographique a reglage automatique de la vitesse desfilms - Google Patents

Appareil photographique a reglage automatique de la vitesse desfilms

Info

Publication number
BE759091A
BE759091A BE759091DA BE759091A BE 759091 A BE759091 A BE 759091A BE 759091D A BE759091D A BE 759091DA BE 759091 A BE759091 A BE 759091A
Authority
BE
Belgium
Prior art keywords
automatically adjusted
speed camera
film speed
adjusted film
camera
Prior art date
Application number
Other languages
English (en)
Inventor
C H Biber
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.)
Publication date
Publication of BE759091A publication Critical patent/BE759091A/fr

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
    • G03B7/087—Analogue circuits for control of both exposure time and 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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Exposure Control For Cameras (AREA)
BE759091D 1969-11-19 Appareil photographique a reglage automatique de la vitesse desfilms BE759091A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US87790269A 1969-11-19 1969-11-19

Publications (1)

Publication Number Publication Date
BE759091A true BE759091A (fr) 1971-05-18

Family

ID=25370949

Family Applications (1)

Application Number Title Priority Date Filing Date
BE759091D BE759091A (fr) 1969-11-19 Appareil photographique a reglage automatique de la vitesse desfilms

Country Status (6)

Country Link
AU (1) AU2183570A (fr)
BE (1) BE759091A (fr)
DE (1) DE2056794A1 (fr)
FR (1) FR2069607A5 (fr)
GB (1) GB1314610A (fr)
NL (1) NL7016954A (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3750551A (en) * 1971-12-29 1973-08-07 Polaroid Corp Photographic apparatus and system with automatic film cover ejection

Also Published As

Publication number Publication date
GB1314610A (en) 1973-04-26
AU2183570A (en) 1972-05-04
NL7016954A (fr) 1971-05-24
FR2069607A5 (fr) 1971-09-03
DE2056794A1 (de) 1971-05-27

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