Patents for G03B 7 - Control of exposure by setting shutters, diaphragms, or filters separately or conjointly (8,263)
01/1980
01/01/1980US4181415 Camera
01/01/1980US4181413 Electronic shutter control circuit
01/01/1980US4181412 Optical exposure measuring system for photographic cameras
01/01/1980US4181411 Indicator device used in camera to indicate exposure values within a finder
12/1979
12/25/1979US4180797 Digital comparator constructed of IIL
12/25/1979US4180312 Photographic camera with through the lens exposure meter
12/25/1979US4180310 Photometric circuit
12/18/1979US4179206 Single lens reflex camera with electromechanically initiated diaphragm and shutter control
12/18/1979US4179202 Diaphragm aperture control device in a camera
12/18/1979US4179201 Lens stop braking in automatic exposure cameras of stop value control type
12/11/1979US4178085 Photographic camera with a release locking device
12/11/1979US4178084 Device for measuring light incident on an image forming optical system
12/11/1979US4178083 Camera containing a movable automatic dimmer strobo
12/04/1979US4176936 Motor drive unit for a camera
12/04/1979US4176933 Indicating apparatus for camera
12/04/1979US4176930 Camera with self-contained flash device
12/04/1979US4176929 Exposure control device for a camera
12/04/1979US4176927 Apparatus for decoding information stored in containers for photographic films
11/1979
11/27/1979US4175843 Duel focal plane photocells
11/27/1979US4175842 Exposure control system for a camera
11/27/1979US4175840 Motion picture camera with multiple exposure
11/20/1979US4174896 Adapter for electronic flash unit
11/20/1979US4174894 TTL metering device in a single lens reflex camera
11/20/1979US4174893 Exposure control system for use in photographic camera apparatus
11/15/1979WO1979000962A1 Photographic flash apparatus
11/13/1979US4174165 Power supply control device for cameras
11/13/1979US4174161 Exposure control system
11/13/1979US4174160 Programmed automatic exposure control circuitry
11/13/1979US4174159 Exposure meter for photomicrography
11/06/1979US4173403 Single lens reflex camera with automatic diaphragm control mechanism
11/06/1979US4173401 Apparatus for displaying alphanumeric information coded on a film cartridge
11/06/1979US4173400 Photographic camera apparatus
11/06/1979CA1065666A1 Electronic controller of exposure time of photosensitive materials
10/1979
10/30/1979US4172651 Single lens mirror reflex camera with automated aperture and timing control
10/30/1979US4172646 Device to control introduction of diffracted beam by means of diffraction element
10/30/1979US4172644 Interrelated exposure-duration and diaphragm-setting control system
10/30/1979US4172643 Exposure measuring apparatus for photographic cameras
10/23/1979US4171889 Light metering system in a camera
10/23/1979US4171887 Lens-adjustable flash camera
10/23/1979US4171884 Electrically controlled camera device
10/23/1979CA1064752A1 Trim adjustment independent of follow-focus setting
10/23/1979CA1064751A1 Exposure control system with follow focus capability
10/16/1979US4171154 TTL Metering device in a single lens reflex camera
10/09/1979US4170411 Control circuit for a memory type electric shutter
10/09/1979US4170410 Light measuring devices for cameras with automatic exposure control
10/02/1979CA1063412A1 Exposure control system with separate flash and ambient trigger levels
09/1979
09/25/1979US4168898 Display system for camera
09/25/1979US4168893 Exposure control device for camera
09/25/1979US4168892 Lens exchangeable cameras with locking device
09/11/1979US4167313 Focal plane shutter camera having an electromagnetic diaphragm mechanism
09/11/1979US4167312 Exposure control circuit for a camera
09/04/1979US4166679 Exposure information setting circuit
09/04/1979US4166678 Light shield for photometer-equipped camera
09/04/1979CA1061625A1 Automatic exposure control system with unitary trim
08/1979
08/28/1979US4165929 Camera with exposure control device
08/28/1979CA1061152A1 Comparative control circuit for photographic exposure
08/22/1979EP0003621A1 Electronic flash apparatus /camera - combination
08/21/1979US4165166 Exposure controls for photographic apparatus
08/14/1979US4164368 Roughened shutter curtain(s) for single lens reflex camera
07/1979
07/31/1979US4162839 Dual preference camera for digitally displaying preset and computered valves
07/31/1979US4162836 Electronic flash inhibit arrangement
07/31/1979US4162832 Exposure control with piezoelectric latch control
07/31/1979US4162831 Camera and method for selectively compressing scene brightness
07/24/1979US4162123 Automatic focusing system
07/17/1979US4161764 Exposure controlling circuit for electric shutters
07/17/1979US4161355 Photographic camera control circuitry
07/17/1979US4161354 Top shutter curtain release mechanism for an automatic aperture value control camera
07/10/1979US4160588 Exposure control apparatus
07/03/1979US4159870 Exposure control apparatus including general purpose lag compensation
06/1979
06/26/1979US4159168 Exposure correction factor setting device for a camera
06/19/1979US4158492 Light responsive circuit
05/1979
05/29/1979US4156565 Control system for flash-illuminated automatic focusing camera
05/29/1979US4156564 Photometric device
05/15/1979US4155004 Photoelectric transducing unit and system for detecting the sharpness of the image of object by means of the unit -and- a focusing arrangement
05/15/1979US4154516 Digital exposure-duration control system for photographic cameras
05/08/1979US4153355 Camera incorporated with a movable flash light device
05/08/1979US4153352 Altered negative-feedback diaphragm control during implementation of image fadeover in a motion-picture camera
05/01/1979US4152055 Device for indicating light and photoflash circuit conditions in camera
05/01/1979US4152054 Light-metering system in attachment camera for observation instruments, especially microscopes
04/1979
04/24/1979US4150891 Exposure control apparatus including rate responsive lag compensation
04/24/1979US4150889 Indicating device for single lens reflex camera
04/17/1979US4149786 Camera exposure time control circuitry
04/17/1979US4149785 Diaphragm-type exposure control system having braking arrangement
04/10/1979US4148573 Camera incorporating electronic flash unit
04/03/1979US4147418 Photographic exposure control system with independent ambient and artificial illumination control modes
03/1979
03/27/1979US4146319 Single lens reflex camera with automatic exposure control circuit
03/27/1979US4146318 Automatic diaphragm control
03/27/1979US4146317 Dual priority camera
03/20/1979US4145130 Current supply release system for magnetic mechanism
03/20/1979US4145128 Device for controlling a camera timing means as a function of film speed
03/13/1979US4143955 Flash synchronization controlling means for program type electric shutters
03/13/1979US4143954 Light emitting indicator for a camera
03/13/1979US4143950 Camera
03/06/1979USRE29927 Shutter operating circuits for photographic cameras
03/06/1979US4143265 Arrangement for the visual evaluation of photographic themes and for determining the necessary exposures
03/06/1979US4142787 Automatic diaphragm control mechanism for a single lens reflex camera
03/06/1979US4142785 Exposure control circuit for camera
02/1979
02/27/1979US4141637 Electrically controlled self-timer devices for single lens reflex cameras
02/27/1979US4141633 Exposure control device
02/21/1979EP0000811A1 Camera having an automatic control mechanism and piezoelectric energy conversion means
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