FR2249357B1 - - Google Patents

Info

Publication number
FR2249357B1
FR2249357B1 FR7433643A FR7433643A FR2249357B1 FR 2249357 B1 FR2249357 B1 FR 2249357B1 FR 7433643 A FR7433643 A FR 7433643A FR 7433643 A FR7433643 A FR 7433643A FR 2249357 B1 FR2249357 B1 FR 2249357B1
Authority
FR
France
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
FR7433643A
Other versions
FR2249357A1 (fr
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.)
Agfa Gevaert AG
Original Assignee
Agfa Gevaert AG
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 DE19732353924 external-priority patent/DE2353924C3/de
Application filed by Agfa Gevaert AG filed Critical Agfa Gevaert AG
Publication of FR2249357A1 publication Critical patent/FR2249357A1/fr
Application granted granted Critical
Publication of FR2249357B1 publication Critical patent/FR2249357B1/fr
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
    • G03B7/083—Analogue circuits for control of exposure time

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Shutter-Related Mechanisms (AREA)
  • Stroboscope Apparatuses (AREA)
  • Camera Data Copying Or Recording (AREA)
FR7433643A 1973-10-27 1974-10-07 Expired FR2249357B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732353924 DE2353924C3 (de) 1973-10-27 Fotografische Kamera

Publications (2)

Publication Number Publication Date
FR2249357A1 FR2249357A1 (fr) 1975-05-23
FR2249357B1 true FR2249357B1 (fr) 1981-05-22

Family

ID=5896606

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7433643A Expired FR2249357B1 (fr) 1973-10-27 1974-10-07

Country Status (5)

Country Link
US (1) US3958256A (fr)
JP (1) JPS5128029B2 (fr)
FR (1) FR2249357B1 (fr)
GB (1) GB1491497A (fr)
HK (1) HK42878A (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT348335B (de) * 1974-11-09 1979-02-12 Agfa Gevaert Ag Regelvorrichtung fuer fotografische geraete
US4192588A (en) * 1974-11-09 1980-03-11 Agfa-Gevaert, A.G. Control system for controlling the diaphragm in a photographic camera
DE2714149A1 (de) * 1977-03-30 1978-10-12 Agfa Gevaert Ag Fotografische kamera mit einer belichtungsanzeigevorrichtung
US4375912A (en) * 1978-01-25 1983-03-08 Ricoh Company, Ltd. Electric circuits for use in camera
DE2818606A1 (de) * 1978-04-27 1979-11-08 Agfa Gevaert Ag Belichtungssteuervorrichtung fuer fotografische kameras
DE3150889C2 (de) * 1980-12-27 1986-07-17 Canon K.K., Tokio/Tokyo Warneinrichtung für eine Kamera
US20040028164A1 (en) * 2002-08-07 2004-02-12 Hongtao Jiang System and method for data transition control in a multirate communication system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3455219A (en) * 1966-06-13 1969-07-15 Polaroid Corp Automatic aperture selection system
US3782254A (en) * 1971-09-03 1974-01-01 Olympus Optical Co Apparatus for indicating exposure conditions of cameras equipped with electric shutter mechanisms
JPS4889724A (fr) * 1972-02-25 1973-11-22
DE2230865C3 (de) * 1972-06-23 1978-10-05 Agfa-Gevaert Ag, 5090 Leverkusen Fotografische Kamera mit einer elektronischen Belichtungssteuervorrichtung
DE2242925A1 (de) * 1972-08-31 1974-03-14 Agfa Gevaert Ag Fotografische oder kinematografische kamera

Also Published As

Publication number Publication date
JPS5075431A (fr) 1975-06-20
JPS5128029B2 (fr) 1976-08-16
US3958256A (en) 1976-05-18
DE2353924A1 (de) 1975-04-30
DE2353924B2 (de) 1976-07-08
FR2249357A1 (fr) 1975-05-23
HK42878A (en) 1978-08-11
GB1491497A (en) 1977-11-09

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Legal Events

Date Code Title Description
ST Notification of lapse