CH429433A - Automatic device for adjusting and controlling exposure of a camera - Google Patents

Automatic device for adjusting and controlling exposure of a camera

Info

Publication number
CH429433A
CH429433A CH1290262A CH1290262A CH429433A CH 429433 A CH429433 A CH 429433A CH 1290262 A CH1290262 A CH 1290262A CH 1290262 A CH1290262 A CH 1290262A CH 429433 A CH429433 A CH 429433A
Authority
CH
Switzerland
Prior art keywords
camera
adjusting
automatic device
controlling exposure
exposure
Prior art date
Application number
CH1290262A
Other languages
French (fr)
Inventor
Sumner Grey David
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
Application filed by Polaroid Corp filed Critical Polaroid Corp
Publication of CH429433A publication Critical patent/CH429433A/en

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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/08—Shutters
    • G03B9/36—Sliding rigid plate
    • G03B9/40—Double plate
    • 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
    • G03B9/00—Exposure-making shutters; Diaphragms
    • G03B9/58—Means for varying duration of "open" period of shutter
    • G03B9/62—Means for varying duration of "open" period of shutter by varying interval of time between end of opening movement and beginning of closing movement

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Shutters For Cameras (AREA)
CH1290262A 1961-11-06 1962-11-05 Automatic device for adjusting and controlling exposure of a camera CH429433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US150228A US3205795A (en) 1961-11-06 1961-11-06 Automatic exposure control device

Publications (1)

Publication Number Publication Date
CH429433A true CH429433A (en) 1967-01-31

Family

ID=22533602

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1290262A CH429433A (en) 1961-11-06 1962-11-05 Automatic device for adjusting and controlling exposure of a camera

Country Status (4)

Country Link
US (1) US3205795A (en)
BE (1) BE624439A (en)
CH (1) CH429433A (en)
GB (1) GB1019932A (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3257919A (en) * 1962-04-09 1966-06-28 Copal Co Ltd Photographic shutter with automatic control means for exposure time
GB1088915A (en) * 1964-05-15 1967-10-25 Agfa Ag Photographic camera with an exposure regulating device
DE1231546B (en) * 1964-08-27 1966-12-29 Agfa Gevaert Ag Photographic camera with an exposure control device
US3314347A (en) * 1964-10-20 1967-04-18 Agfa Ag Camera shutters
US3442190A (en) * 1965-07-21 1969-05-06 Honeywell Inc Photographic apparatus
US3435745A (en) * 1966-11-15 1969-04-01 Ricoh Kk Electric shutter for use in photographic cameras
US3482497A (en) * 1967-03-15 1969-12-09 Eastman Kodak Co Automatic exposure control for cameras
US3511145A (en) * 1967-05-30 1970-05-12 Eastman Kodak Co Photographic camera with an exposure control device
DE1597059A1 (en) * 1967-06-30 1969-10-16 Agfa Gevaert Ag Exposure control device for a photographic camera
DE1806487A1 (en) * 1968-10-31 1970-05-14 Agfa Gevaert Ag Photographic camera
US3898675A (en) * 1969-10-28 1975-08-05 Nippon Kogaku Kk Camera provided with electronic shutter of the type automatically controlling exposure time
DE2159161C3 (en) * 1971-11-29 1980-03-27 Agfa-Gevaert Ag, 5090 Leverkusen Photographic camera with automatic exposure control without a measuring mechanism
JPS4910730A (en) * 1972-05-26 1974-01-30
US4209243A (en) * 1978-12-01 1980-06-24 Polaroid Corporation Shutter and trim apparatus
DD221853A1 (en) * 1984-02-22 1985-05-02 Pentacon Dresden Veb Photographic closure with electronic control

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2179717A (en) * 1939-11-14 Automatic photographic shutter
US1939243A (en) * 1930-01-25 1933-12-12 Eastman Kodak Co Photographic printing apparatus
US1973468A (en) * 1931-05-08 1934-09-11 Eastman Kodak Co Method and means for photographic printing
US2179718A (en) * 1938-06-09 1939-11-14 Nicholas V Fedotoff Automatic camera shutter device
US2346079A (en) * 1942-09-17 1944-04-04 Honeywell Regulator Co Electrical timing apparatus
US2577774A (en) * 1946-10-09 1951-12-11 Micro Recording Company Automatic exposure timer for cameras
US2572229A (en) * 1947-09-16 1951-10-23 Gen Aniline & Film Corp Electrically operated photographic shutter
US2484299A (en) * 1947-10-20 1949-10-11 Ervin D Labrum System for timing exposure interval of photographic prints
US2856831A (en) * 1953-09-16 1958-10-21 Robert C Gipe High speed light beam shutter mechanism
US2990757A (en) * 1955-04-21 1961-07-04 Cartonnages D Echantillonnage Photographic or cinematographic apparatus and the like
US2978970A (en) * 1956-08-23 1961-04-11 Compur Werk Friedrich Deckel Photographic shutter construction
US2965814A (en) * 1957-05-21 1960-12-20 Zindler Lumoprint Kg Method of and circuit arrangement for timing photographic and other processes
US3082673A (en) * 1958-04-23 1963-03-26 Yashica Co Ltd Shutter for photographic cameras
DE1197536B (en) * 1959-02-28 1965-07-29 Netzsch Maschinenfabrik Discontinuous regulator with photoelectric switch
US3020816A (en) * 1959-02-28 1962-02-13 Ernst Leitz Ges Mit Beschrankt Shutter for photographic apparatus
US3063354A (en) * 1959-05-23 1962-11-13 Meopta Narodni Podnik Device for automatically controlling the exposure time for photographic purposes
US3027818A (en) * 1959-07-17 1962-04-03 Eastman Kodak Co Automatic exposure control for photographic cameras
US3106666A (en) * 1959-09-23 1963-10-08 Kuckens Electrical time switching apparatus
US3056332A (en) * 1960-03-18 1962-10-02 Beregowitz Louis Photoelectrically controlled switching circuit

Also Published As

Publication number Publication date
US3205795A (en) 1965-09-14
BE624439A (en) 1963-05-06
GB1019932A (en) 1966-02-09

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