HK44576A - Aperture setting for photographic or cinematographic camera - Google Patents

Aperture setting for photographic or cinematographic camera

Info

Publication number
HK44576A
HK44576A HK445/76*UA HK44576A HK44576A HK 44576 A HK44576 A HK 44576A HK 44576 A HK44576 A HK 44576A HK 44576 A HK44576 A HK 44576A
Authority
HK
Hong Kong
Prior art keywords
photographic
aperture setting
cinematographic camera
cinematographic
camera
Prior art date
Application number
HK445/76*UA
Other languages
English (en)
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 DE19722214725 external-priority patent/DE2214725C3/de
Application filed by Agfa Gevaert Ag filed Critical Agfa Gevaert Ag
Publication of HK44576A publication Critical patent/HK44576A/xx

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)
  • Diaphragms For Cameras (AREA)
  • Control Of Stepping Motors (AREA)
HK445/76*UA 1972-03-25 1976-07-15 Aperture setting for photographic or cinematographic camera HK44576A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722214725 DE2214725C3 (de) 1972-03-25 Fotografische oder kinematografische Kamera mit einer Blendenregelvorrlchtung

Publications (1)

Publication Number Publication Date
HK44576A true HK44576A (en) 1976-07-23

Family

ID=5840210

Family Applications (1)

Application Number Title Priority Date Filing Date
HK445/76*UA HK44576A (en) 1972-03-25 1976-07-15 Aperture setting for photographic or cinematographic camera

Country Status (8)

Country Link
US (1) US3813680A (fr)
JP (1) JPS5315373B2 (fr)
AT (1) AT325944B (fr)
CH (1) CH562455A5 (fr)
FR (1) FR2178626A5 (fr)
GB (1) GB1407547A (fr)
HK (1) HK44576A (fr)
IT (1) IT979976B (fr)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4104656A (en) * 1973-05-05 1978-08-01 Rollei-Werke Franke & Heidecke Control means for a diaphragm of a single lens reflex camera
US3903528A (en) * 1973-05-22 1975-09-02 Polaroid Corp Exposure control system for photographic apparatus
US3882522A (en) * 1973-05-22 1975-05-06 Polaroid Corp Non-cocking springless shutter developing two parameter exposure regulation
GB1476144A (en) * 1973-11-05 1977-06-10 West Electric Co Programmed shutters
US3945025A (en) * 1973-11-12 1976-03-16 Polaroid Corporation Exposure control system
DE2362506B2 (de) * 1973-12-15 1976-06-24 Agfa-Gevaert Ag, 5090 Leverkusen Kinematografische kamera
JPS50115822A (fr) * 1974-02-22 1975-09-10
US3969735A (en) * 1974-03-11 1976-07-13 Asahi Kogaku Kogyo Kabushiki Kaisha Camera with automatic exposure-determining structure
JPS5321857B2 (fr) * 1974-04-18 1978-07-05
JPS50138829A (fr) * 1974-04-23 1975-11-06
GB1514953A (en) * 1974-08-20 1978-06-21 West Electric Co Exposure control systems
JPS5847688B2 (ja) * 1974-10-18 1983-10-24 ウエストデンキ カブシキガイシヤ 露出制御装置
JPS5146939A (en) * 1974-10-18 1976-04-22 West Electric Co Roshutsuseigyosochi
US3987462A (en) * 1974-10-26 1976-10-19 Agfa-Gevaert, A.G. Equipment for minimizing the power loss in a step motor in a camera
US4192588A (en) * 1974-11-09 1980-03-11 Agfa-Gevaert, A.G. Control system for controlling the diaphragm in a photographic camera
AT348335B (de) * 1974-11-09 1979-02-12 Agfa Gevaert Ag Regelvorrichtung fuer fotografische geraete
US3950766A (en) * 1974-11-22 1976-04-13 Polaroid Corporation Exposure control system employing blade sensing follow focus arrangement
DE2460675C3 (de) * 1974-12-20 1981-06-11 Agfa-Gevaert Ag, 5090 Leverkusen Kinematografische Kamera
US4058819A (en) * 1974-12-30 1977-11-15 Agfa-Gevaert, A.G. Analog/digital control arrangement for photographic apparatus
JPS5643629A (en) * 1979-09-18 1981-04-22 Olympus Optical Co Ltd Diaphragm control unit
JPH0786630B2 (ja) * 1986-12-26 1995-09-20 富士写真フイルム株式会社 電子スチルカメラの絞り駆動制御方法
JPH02239782A (ja) * 1989-03-14 1990-09-21 Canon Electron Inc 光量制御装置
JP3434595B2 (ja) * 1994-11-12 2003-08-11 株式会社リコー 測距装置
AR102942A1 (es) 2014-12-11 2017-04-05 Bayer Cropscience Ag Derivados de arilsulfuro y arilsulfóxido de cinco miembros c-n-conectados, como plaguicidas

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3143054A (en) * 1960-06-18 1964-08-04 Zeiss Ikon Ag Device for adjusting light measuring instruments, particularly for photographic cameras with automatic diaphragm adjustment
FR1275487A (fr) * 1960-09-29 1961-11-10 Asservisseur de lumière pour lunettes d'astronomie, objectifs photographiques et cinématographiques
US3426662A (en) * 1966-06-30 1969-02-11 Texas Instruments Inc Movie camera iris control device
US3628110A (en) * 1969-09-26 1971-12-14 Sperry Rand Corp Braking circuit for brushless dc motor
US3709137A (en) * 1970-04-09 1973-01-09 Prontor Werk Gauthier Gmbh Automatic shutter controlling device particularly for photographic and moving picture apparatus

Also Published As

Publication number Publication date
FR2178626A5 (fr) 1973-11-09
IT979976B (it) 1974-09-30
GB1407547A (en) 1975-09-24
DE2214725A1 (de) 1973-09-27
JPS5315373B2 (fr) 1978-05-24
DE2214725B2 (de) 1975-09-25
CH562455A5 (fr) 1975-05-30
JPS4916426A (fr) 1974-02-13
ATA1083172A (de) 1975-01-15
AT325944B (de) 1975-11-10
US3813680A (en) 1974-05-28

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