AT345663B - Blendenregelvorrichtung mit einer licht empfindlichen brueckenschaltung - Google Patents

Blendenregelvorrichtung mit einer licht empfindlichen brueckenschaltung

Info

Publication number
AT345663B
AT345663B AT830174A AT830174A AT345663B AT 345663 B AT345663 B AT 345663B AT 830174 A AT830174 A AT 830174A AT 830174 A AT830174 A AT 830174A AT 345663 B AT345663 B AT 345663B
Authority
AT
Austria
Prior art keywords
control device
bridge circuit
light sensitive
aperture control
sensitive bridge
Prior art date
Application number
AT830174A
Other languages
English (en)
Other versions
ATA830174A (de
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
Application filed by Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Publication of ATA830174A publication Critical patent/ATA830174A/de
Application granted granted Critical
Publication of AT345663B publication Critical patent/AT345663B/de

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
    • G03B7/085—Analogue circuits for control of aperture

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Exposure Control For Cameras (AREA)
  • Details Of Cameras Including Film Mechanisms (AREA)
  • Control Of Amplification And Gain Control (AREA)
  • Studio Circuits (AREA)
AT830174A 1973-12-15 1974-10-16 Blendenregelvorrichtung mit einer licht empfindlichen brueckenschaltung AT345663B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19732362506 DE2362506B2 (de) 1973-12-15 1973-12-15 Kinematografische kamera

Publications (2)

Publication Number Publication Date
ATA830174A ATA830174A (de) 1978-01-15
AT345663B true AT345663B (de) 1978-09-25

Family

ID=5900915

Family Applications (1)

Application Number Title Priority Date Filing Date
AT830174A AT345663B (de) 1973-12-15 1974-10-16 Blendenregelvorrichtung mit einer licht empfindlichen brueckenschaltung

Country Status (8)

Country Link
US (1) US3966312A (de)
JP (1) JPS5760614B2 (de)
AT (1) AT345663B (de)
CH (1) CH572224A5 (de)
DE (1) DE2362506B2 (de)
FR (1) FR2254803B1 (de)
GB (1) GB1498182A (de)
HK (1) HK58678A (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2513374C3 (de) * 1975-03-26 1979-04-12 Agfa-Gevaert Ag, 5090 Leverkusen Kinematografische Kamera mit einer Blendenregelvorrichtung
JPS52138130A (en) * 1976-05-14 1977-11-18 Copal Co Ltd Automatic servo diaphragm fadeein and fadeeout device
JPS5538583A (en) * 1978-09-13 1980-03-18 Sankyo Seiki Mfg Co Ltd Exposure control mechanism in cine camera
FR2761074B1 (fr) 1997-03-24 1999-05-28 Exsymol Sa Composes a base de silicium biologiquement actifs sous forme solide

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1234129B (de) * 1964-09-25 1967-02-09 Agfa Gevaert Ag Auf- und Abblendvorrichtung fuer Kinokameras
DE1911772B2 (de) * 1969-03-07 1971-05-19 Auf und abblendvorrichtung fuer kinokameras
DE2147680C3 (de) * 1971-09-24 1974-08-15 Agfa-Gevaert Ag, 5090 Leverkusen Kinematografische Kamera mit einem Elektromotor
DE2209399C3 (de) * 1972-02-28 1975-09-11 Agfa-Gevaert Ag, 5090 Leverkusen Auf- und Abblendvorrichtung für Kinokameras
AT325944B (de) * 1972-03-25 1975-11-10 Agfa Gevaert Ag Photographische oder kinematographische kamera

Also Published As

Publication number Publication date
ATA830174A (de) 1978-01-15
HK58678A (en) 1978-10-13
GB1498182A (en) 1978-01-18
DE2362506A1 (de) 1975-07-03
FR2254803A1 (de) 1975-07-11
JPS5760614B2 (de) 1982-12-20
CH572224A5 (de) 1976-01-30
US3966312A (en) 1976-06-29
FR2254803B1 (de) 1979-08-03
DE2362506B2 (de) 1976-06-24
JPS5093428A (de) 1975-07-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee