GB1139286A - Exposure control apparatus - Google Patents

Exposure control apparatus

Info

Publication number
GB1139286A
GB1139286A GB635367A GB635367A GB1139286A GB 1139286 A GB1139286 A GB 1139286A GB 635367 A GB635367 A GB 635367A GB 635367 A GB635367 A GB 635367A GB 1139286 A GB1139286 A GB 1139286A
Authority
GB
United Kingdom
Prior art keywords
coils
photo
plate
motor
vibrator
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
GB635367A
Other languages
English (en)
Inventor
Lenard M Metzger
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 GB1139286A publication Critical patent/GB1139286A/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
    • G03B7/085—Analogue circuits for control of aperture
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/42—Photometry, e.g. photographic exposure meter using electric radiation detectors
    • G01J1/44—Electric circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Diaphragms For Cameras (AREA)
GB635367A 1966-02-14 1967-02-09 Exposure control apparatus Expired GB1139286A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US52717166A 1966-02-14 1966-02-14
US57344166A 1966-07-28 1966-07-28

Publications (1)

Publication Number Publication Date
GB1139286A true GB1139286A (en) 1969-01-08

Family

ID=27062348

Family Applications (1)

Application Number Title Priority Date Filing Date
GB635367A Expired GB1139286A (en) 1966-02-14 1967-02-09 Exposure control apparatus

Country Status (5)

Country Link
AT (1) AT293861B (US20100268047A1-20101021-C00003.png)
BE (1) BE693570A (US20100268047A1-20101021-C00003.png)
CH (1) CH453066A (US20100268047A1-20101021-C00003.png)
GB (1) GB1139286A (US20100268047A1-20101021-C00003.png)
SE (1) SE324506B (US20100268047A1-20101021-C00003.png)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297011A (en) 1979-05-10 1981-10-27 Rollei Of America, Inc. Photoflash device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4297011A (en) 1979-05-10 1981-10-27 Rollei Of America, Inc. Photoflash device

Also Published As

Publication number Publication date
SE324506B (US20100268047A1-20101021-C00003.png) 1970-06-01
CH453066A (fr) 1968-05-31
AT293861B (de) 1971-10-25
BE693570A (US20100268047A1-20101021-C00003.png) 1967-07-17

Similar Documents

Publication Publication Date Title
GB1407547A (en) Aperture setting for photographic or cinematorgraphic camera
US3419325A (en) Motion picture camera fade-in and fade-out control arrangement
US3427941A (en) Automatic exposure control
GB1293771A (en) Improvements relating to exposure control systems for photographic apparatus
US3299789A (en) Automatic exposure control system
GB1139286A (en) Exposure control apparatus
US3116673A (en) Automatic regulating device for the lighting of a photo-sensitive film during filming
US3120161A (en) Diaphragm controlling system
US3651324A (en) Electromagnetic automatic aperture control utilizing a velocity sensing winding to provide active feedback viscous damping
US3896461A (en) Camera exposure control system having a damping coil
US3580157A (en) Automatic exposure control device
US4084893A (en) Exposure control for motion picture cameras
GB1527085A (en) Method and apparatus for automatically controlling the aperture value of a camera diaphragm
US4184757A (en) Exposure servo-control device for cameras
US3809981A (en) Exposure determining device
US3825329A (en) Motion picture camera having means for simultaneously selecting the film speed and the corresponding aperture size
GB856110A (en) Improvements in or relating to photographic and cinematographic cameras
JPS6158010B2 (US20100268047A1-20101021-C00003.png)
GB1163768A (en) Improvements in or relating to Exposure Control System for Photographic Cameras
GB1123579A (en) Device for automatic regulation of a photographic exposure
GB1288548A (US20100268047A1-20101021-C00003.png)
US4206394A (en) Motor control circuit
US3446129A (en) Exposure control apparatus for photographic camera
US4192588A (en) Control system for controlling the diaphragm in a photographic camera
DE2126548A1 (de) Anordnung zur Regelung von elektrischen Antrieben