CA1022789A - Electronic regulator for exposure variables in a camera - Google Patents

Electronic regulator for exposure variables in a camera

Info

Publication number
CA1022789A
CA1022789A CA175,619A CA175619A CA1022789A CA 1022789 A CA1022789 A CA 1022789A CA 175619 A CA175619 A CA 175619A CA 1022789 A CA1022789 A CA 1022789A
Authority
CA
Canada
Prior art keywords
camera
electronic regulator
exposure variables
variables
exposure
Prior art date
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
CA175,619A
Other languages
French (fr)
Other versions
CA175619S (en
Inventor
Wilhelm Koller
Karl-Peter Strauss
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.)
Rollei Werke Franke und Heidecke GmbH and Co KG
Original Assignee
Rollei Werke Franke und Heidecke GmbH and Co KG
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 Rollei Werke Franke und Heidecke GmbH and Co KG filed Critical Rollei Werke Franke und Heidecke GmbH and Co KG
Application granted granted Critical
Publication of CA1022789A publication Critical patent/CA1022789A/en
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
    • G03B7/091—Digital circuits
    • G03B7/097—Digital circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
CA175,619A 1972-08-19 1973-07-04 Electronic regulator for exposure variables in a camera Expired CA1022789A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2240920A DE2240920C3 (en) 1972-08-19 1972-08-19 Photographic camera with a program controller

Publications (1)

Publication Number Publication Date
CA1022789A true CA1022789A (en) 1977-12-20

Family

ID=5854042

Family Applications (1)

Application Number Title Priority Date Filing Date
CA175,619A Expired CA1022789A (en) 1972-08-19 1973-07-04 Electronic regulator for exposure variables in a camera

Country Status (12)

Country Link
JP (1) JPS5921005B2 (en)
AU (1) AU470135B2 (en)
BR (1) BR7306331D0 (en)
CA (1) CA1022789A (en)
CH (1) CH560396A5 (en)
DD (1) DD112840A5 (en)
DE (1) DE2240920C3 (en)
FR (1) FR2196721A5 (en)
GB (1) GB1433814A (en)
IT (1) IT994603B (en)
SE (1) SE390846B (en)
ZA (1) ZA734205B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2356523A1 (en) * 1973-11-13 1975-05-22 Rollei Werke Franke Heidecke ELECTRONICALLY CONTROLLED PHOTOGRAPHIC CAMERA
DE2434152C2 (en) 1973-07-16 1984-07-12 Canon K.K., Tokio/Tokyo Electronic program control device for a camera
DE2436019C2 (en) * 1974-07-26 1980-06-26 Agfa-Gevaert Ag, 5090 Leverkusen Cinematographic camera with an aperture control device
GB1552597A (en) * 1975-10-09 1979-09-19 Haskell R Camera controller
DE2740503A1 (en) * 1976-09-09 1978-03-30 Canon Kk FILM CAMERA
JPS5528087A (en) * 1978-08-22 1980-02-28 Konishiroku Photo Ind Co Ltd Automatic feeder of film
US4247189A (en) * 1978-09-22 1981-01-27 Canon Kabushiki Kaisha Camera with built-in electric wind-up mechanism
JPS5642216A (en) * 1979-09-14 1981-04-20 Copal Co Ltd Program exposure control unit by open photometry suited for lens interchangeable camera
DD148262A1 (en) * 1979-12-21 1981-05-13 Hans Jehmlich CONTROL UNIT FOR ADJUSTING PHOTOGRAPHIC CAMERAS
JPS6166810A (en) * 1984-09-10 1986-04-05 Yanmar Diesel Engine Co Ltd Valve rod guide for intake/exhaust valve in internal-combustion engine
KR970010763B1 (en) * 1993-03-25 1997-06-30 삼성항공산업 주식회사 Device to power on by release switch and the same method for a camera

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1177641A (en) * 1961-02-03 1970-01-14 Emi Ltd Improvements relating to Automatic Tracking Apparatus.
US3399307A (en) * 1965-05-20 1968-08-27 Bell & Howell Co Motion sensing exposure system for optical instruments
DE1284280B (en) * 1965-08-18 1968-11-28 Leitz Ernst Gmbh Arrangement for controlling a photographic shutter
JPS5211223B1 (en) * 1970-04-06 1977-03-29
US3748979A (en) * 1970-12-28 1973-07-31 Copal Co Ltd Electronic shutter apparatus for cameras

Also Published As

Publication number Publication date
AU5921773A (en) 1975-02-20
ZA734205B (en) 1974-05-29
DD112840A5 (en) 1975-05-05
IT994603B (en) 1975-10-20
AU470135B2 (en) 1976-03-04
JPS5921005B2 (en) 1984-05-17
GB1433814A (en) 1976-04-28
CH560396A5 (en) 1975-03-27
JPS4960531A (en) 1974-06-12
SE390846B (en) 1977-01-24
DE2240920C3 (en) 1980-01-03
FR2196721A5 (en) 1974-03-15
DE2240920A1 (en) 1974-03-07
BR7306331D0 (en) 1974-07-25
DE2240920B2 (en) 1977-06-02

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