GB1357223A - Photographic camera - Google Patents

Photographic camera

Info

Publication number
GB1357223A
GB1357223A GB2918171A GB2918171A GB1357223A GB 1357223 A GB1357223 A GB 1357223A GB 2918171 A GB2918171 A GB 2918171A GB 2918171 A GB2918171 A GB 2918171A GB 1357223 A GB1357223 A GB 1357223A
Authority
GB
United Kingdom
Prior art keywords
photo
circuit
lamp
camera
voltage
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
GB2918171A
Other languages
English (en)
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.)
Eastman Kodak Co
Original Assignee
Eastman Kodak Co
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 Eastman Kodak Co filed Critical Eastman Kodak Co
Publication of GB1357223A publication Critical patent/GB1357223A/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
    • G03B7/081—Analogue circuits
    • G03B7/087—Analogue circuits for control of both exposure time and aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Stroboscope Apparatuses (AREA)
GB2918171A 1970-06-22 1971-06-22 Photographic camera Expired GB1357223A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4836470A 1970-06-22 1970-06-22

Publications (1)

Publication Number Publication Date
GB1357223A true GB1357223A (en) 1974-06-19

Family

ID=21954185

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2918171A Expired GB1357223A (en) 1970-06-22 1971-06-22 Photographic camera

Country Status (5)

Country Link
US (1) US3664245A (enExample)
CA (1) CA961330A (enExample)
DE (1) DE2131007B2 (enExample)
FR (1) FR2099779A5 (enExample)
GB (1) GB1357223A (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3762299A (en) * 1972-04-21 1973-10-02 Polaroid Corp Exposure control mechanism
JPS4928337A (enExample) * 1972-07-04 1974-03-13
JPS5613930B2 (enExample) * 1972-07-18 1981-04-01
JPS5013038A (enExample) * 1973-06-04 1975-02-10
JPS5146944A (ja) * 1974-10-18 1976-04-22 West Electric Co Puroguramushatsuta
JPS5146941A (ja) * 1974-10-18 1976-04-22 West Electric Co Puroguramushatsuta
US4112443A (en) * 1976-01-26 1978-09-05 Ricoh Co., Ltd. Shutter and low-light indicator actuating device for a camera
JPS59228636A (ja) * 1983-06-10 1984-12-22 Konishiroku Photo Ind Co Ltd 自動焦点調節装置付カメラのプログラム自動露出制御装置
US4996551A (en) * 1989-02-20 1991-02-26 Fuji Photo Film Co., Ltd. Exposure control apparatus

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3232192A (en) * 1963-02-20 1966-02-01 Eastman Kodak Co Photographic exposure measuring device
US3292516A (en) * 1963-05-17 1966-12-20 Copal Co Ltd Photographic camera with automatic exposure control
US3464332A (en) * 1966-05-12 1969-09-02 Polaroid Corp Automatic exposure control system
US3427941A (en) * 1966-07-28 1969-02-18 Eastman Kodak Co Automatic exposure control
DE1597247A1 (de) * 1967-04-05 1970-10-01 Kodak Ag Photographische Kamera mit elektronischer Verschlusszeitsteuerung und Belichtungszeit-Anzeige
US3554104A (en) * 1967-05-05 1971-01-12 Agfa Gevaert Ag Exposure control for photographic cameras
DE1597049A1 (de) * 1967-05-05 1970-03-26 Agfa Gevaert Ag Fotografische Kamera mit einem durch einen Verzoegerungsschaltkreis gesteuerten Verschluss

Also Published As

Publication number Publication date
CA961330A (en) 1975-01-21
DE2131007A1 (de) 1971-12-23
US3664245A (en) 1972-05-23
DE2131007B2 (de) 1979-09-20
FR2099779A5 (enExample) 1972-03-17

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee