Patents
Sitemap › 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 › G03B 7 - Control of exposure by setting shutters, diaphragms, or filters separately or conjointly
Patents for G03B 7 - Control of exposure by setting shutters, diaphragms, or filters separately or conjointly (8,263)
01/1991
01/08/1991US4984007 Exposure control apparatus for camera
01/08/1991US4984006 Brightness measuring apparatus for providing adequate object brightness and a flashlight emission apparatus providing adequate exposure, irrespective of photographing conditions
01/08/1991US4984005 Photographing mode switching device of a camera
01/03/1991DE4019847A1 Camera with flash capacitor and unit for reception of battery - has battery recess on one side in which capacitor nestles
01/01/1991US4982220 Camera with computer control
01/01/1991US4982213 Camera and printing apparatus with variable trimming magnification
01/01/1991US4982209 Camera apparatus for detecting code indicia
12/1990
12/25/1990US4980545 Photometric circuit
12/19/1990EP0402828A2 Auto-focus system for cameras
12/19/1990EP0402452A1 Camera
12/18/1990US4978991 Open-loop stepper motor controlled shutter
12/18/1990US4978990 Exposure control apparatus for camera
12/18/1990US4978982 Data rewriting apparatus
12/18/1990US4978981 Of a camera
12/11/1990US4977424 Light measuring device for camera
12/11/1990US4977423 Exposure calculating apparatus
12/06/1990DE4014539A1 Electrical information transmission system for photographic camera - provides objective identification and data exchange between camera and objective
12/05/1990EP0400605A2 Automatic gain control circuit for use in a television camera
12/05/1990EP0400528A2 Information reading apparatus, camera capable of exchanging signals with the information reading apparatus and memory medium
12/05/1990CN2066997U Frequently moving shutter flash camera
12/05/1990CN2066996U Direct disk single lense reflective camera
12/04/1990US4975725 Aperture and focus adjusting device for a camera
12/04/1990US4975721 Electronic circuitry for photographic camera
11/1990
11/27/1990US4974013 Camera having an exposure compensation information setting operation member
11/27/1990US4974011 Camera system
11/27/1990US4974007 Photographing device having plural range finding elements and plural photometric elements
11/27/1990US4974005 Light measuring and distance measuring apparatus for camera
11/27/1990US4974000 Camera system operable by carrying data from a camera accessory
11/27/1990US4973999 Film handling arrangements for sheet film view cameras and the like
11/27/1990US4973995 Camera system and attachment lens with integral lens sections
11/21/1990CN2066152U 曝光定时器 Exposure Timer
11/20/1990US4972223 Camera with automatic exposure function which is operatable in a normal photography mode and a slow photography mode
11/20/1990US4972222 Exposure controlling apparatus for camera
11/20/1990US4972217 Shutter mechanism drive having reduced mechanical noise
11/20/1990US4972216 Camera having a real-image viewfinder
11/20/1990US4972078 Pulse generating circuit for detecting aperture size of camera shutter
11/13/1990US4970541 Camera system operable by carrying data from a camera accessory to a camera body
11/13/1990US4970538 Camera system with flash device
11/13/1990US4970537 Camera permitting close-up photography
11/07/1990EP0396011A2 Preflash pseudofocus/exposure control system
11/06/1990US4969005 Backlighting detecting device
11/01/1990WO1990012694A1 Secure image production
11/01/1990CA2053229A1 Secure image production
11/01/1990CA2014018A1 Preflash pseudofocus/exposure control system
10/1990
10/30/1990US4967217 Camera system
10/24/1990EP0393623A2 Zooming control device for a camera
10/24/1990EP0393622A2 Electric drive device for camera
10/23/1990US4965620 Camera
10/23/1990US4965619 Image stabilizing device
10/23/1990US4965141 Electric cell housing device for camera
10/16/1990US4963986 Image input apparatus for resetting the amount of exposure from a correction value for a predetermined standard value
10/16/1990US4963917 Photographic camera
10/16/1990US4963915 Brightness measuring apparatus for providing adequate object brightness and a flashlight emission apparatus providing adequate exposure, irrespective of photographing conditions
10/16/1990US4963914 Flash photographing system
10/16/1990US4963912 Camera apparatus having means for setting the position of an optical grating at a desired location in the viewfinder
10/16/1990US4963909 Camera system for selectively generating new memory address when a new switching state is different from a previous switching state
10/09/1990US4962397 Data input/output device for a camera
09/1990
09/25/1990US4959680 Camera system
09/25/1990US4959679 Camera system
09/25/1990US4959675 Device for adjusting camera in the initial stage
09/18/1990US4958185 Photographing apparatus
09/18/1990US4958182 Arrangement for determining camera setting
09/18/1990US4958181 Camera system
09/18/1990US4958177 Rotational drive mechanism
09/12/1990EP0386704A2 Photographic system capable of recording therein photographing data and reading out the same and film structure for use in the photographic system
09/11/1990US4956661 Camera system
09/11/1990US4956656 Control device for use in a camera having a consecutive picture taking mode and a single picture taking mode
08/1990
08/29/1990CN2061299U Incident / reflecting type electronic light meter
08/28/1990US4952967 Timer-assisted photographing mode control device for camera
08/28/1990US4952964 Camera system
08/28/1990US4952959 Camera system
08/23/1990WO1990009618A1 Device for controlling and regulating the illumination and feed speed of a motion picture film in a motion picture camera
08/21/1990US4951082 Three-dimensional multi-pattern photo-metering apparatus
08/21/1990US4951080 Device for controlling the amount of emission of electronic flash apparatus
08/21/1990US4951077 Methods and device for measuring the brightness of an object
08/21/1990US4951074 Camera having zoom strobe device
08/21/1990US4951068 Camera system with flash device
08/16/1990EP0382226A2 Exposure control device for camera
08/16/1990EP0382143A2 Camera
08/16/1990DE4004004A1 Automatische belichtungssteuerung fuer eine fotografische kamera mit intervallaufnahme Automatic exposure control for a photographic camera with recording interval
08/16/1990DE4003976A1 Elektronisch gesteuerte kamera Electronically controlled camera
08/16/1990DE4003963A1 Electronically controlled photographic camera
08/16/1990DE3903625A1 Method and arrangement for the exposure control of a motion picture camera
08/14/1990US4949118 Indicating apparatus within finder of single-lens reflex camera
08/14/1990US4949117 Camera
08/09/1990DE4003391A1 Fotographische kamera mit belichtungsautomatik Photographic camera with automatic exposure
08/08/1990CN1009151B Breath-controled automatical exposure meter for x-ray photograph
08/07/1990US4947203 Camera system for alternately indicating exposure time data, aperture value data and override data
07/1990
07/31/1990US4945380 Program exposure calculating apparatus
07/31/1990US4945379 Camera shutter and viewfinder control apparatus
07/31/1990US4945378 Circuit for detecting back light
07/31/1990US4945366 Endoscope still photographing apparatus provided with an automatic illuminating light amount controlling function
07/31/1990US4945365 Camera capable of inputting and outputting signals between it and external deivce through film sensitivity reading materials
07/31/1990CA1272057A1 Electronic trim control for dual-photodetector exposure control system
07/24/1990US4943825 Photographic camera
07/17/1990US4942413 Camera
07/12/1990WO1990007727A1 Camera
07/10/1990US4941012 Finder optical system for cameras
07/10/1990US4941011 Single integrator system with dual photocells
07/10/1990US4941010 Camera
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