Patents for G03B 7 - Control of exposure by setting shutters, diaphragms, or filters separately or conjointly (8,263)
01/1984
01/03/1984US4423934 Photographic camera with digital controller and method of manufacture
12/1983
12/27/1983US4423470 Lens barrel suitable for flash photography
12/27/1983US4422744 Apparatus for signal transmission and reception between camera and attachment
12/27/1983US4422743 Exposure system for a camera
12/27/1983US4422742 Photographing mode switching device for a camera
12/27/1983US4422729 Electro-optical diaphragm with radial electrodes
12/20/1983US4421397 Automatic focusing system with interchangeable lens
12/13/1983US4420252 Light measuring device for controlling exposure
12/13/1983US4420237 Exposure control system
12/13/1983US4420236 Camera for use with film having sprocket holes and/or coded perforations
12/06/1983US4419574 Focus detecting device with varying pitch cylindrical lens element
11/1983
11/29/1983US4417798 Data transmitting electrical contact means switching device in camera
11/29/1983US4417794 Automatic diaphragm control camera
11/29/1983US4417793 Camera capable of functioning in accordance with informations received from a roll of film
11/22/1983USRE31446 Manual or automatic camera and electronic flash for use therewith
11/22/1983CA1157307A1 Automatic strobe camera
11/15/1983US4415248 Exposure control apparatus
11/15/1983CA1156866A1 Photographic camera
11/08/1983US4413895 Electromagnetic actuator having a compliant armature
11/08/1983US4413892 Magnetostrictive position sensing device and photographic apparatus incorporating such device
11/01/1983US4412730 Metering device
10/1983
10/25/1983US4411505 Camera
10/19/1983EP0091605A1 Microscope photometer
10/18/1983US4410251 Integrated electromechanical camera control mechanism
10/11/1983US4409644 Battery system adapter for using film power packs
10/11/1983US4409472 Iris servo apparatus
10/11/1983US4408857 Method and circuit for controlling an electromagnetic actuator in photographic apparatus
10/11/1983US4408852 Automatic exposure controller for camera of TTL direct photometry type
10/11/1983US4408838 System for the regulation of light for a sequential picture apparatus
10/04/1983US4407574 Camera with focal plane shutter
10/04/1983US4407573 Pop up flash device control for a camera
09/1983
09/27/1983US4406533 Flash photograph system
09/20/1983US4405222 Mode setting device for camera
09/13/1983US4404595 Lens unit for a camera
09/06/1983USRE31370 System for exposure measurement and/or focus detection by means of image sensor
09/06/1983US4402587 Photometric mode switching apparatus for cameras of automatic exposure control type
08/1983
08/30/1983US4401373 Exposure control arrangement for photographic cameras
08/23/1983US4400087 Light measuring circuit
08/23/1983US4400072 Diaphragm device for a camera with interchangeable lenses
08/16/1983US4398813 Photographic camera
08/16/1983CA1151929A1 Focusing system and method with adjustment for lens depth of focus
08/10/1983EP0085132A2 Photographic system with slow burn flash bulb
08/09/1983US4397553 Photographic spot measuring apparatus
08/09/1983US4397533 Photographic light measuring device
08/09/1983EP0079889A4 Photographic camera.
08/02/1983US4396951 Solid-state imaging apparatus provided with automatic iris control means
08/02/1983US4396272 Aperture control mechanism
08/02/1983US4396271 Camera diaphragm control method
08/02/1983US4396269 Shutter release locking device
07/1983
07/26/1983US4395752 Digital control process with inverse function table memory
07/26/1983US4395106 Compensation for diaphragm control in SLR camera
07/26/1983US4395101 Apparatus for presetting photographing distance for camera
07/26/1983US4395099 Scene brightness measuring system
07/26/1983US4395098 Shutter time control circuit
07/26/1983CA1150557A1 Method and apparatus for selective positioning of spectral filter during exposure control
07/26/1983CA1150556A1 Method and apparatus for selective positioning of spectral filter during exposure control
07/26/1983CA1150555A1 Method and apparatus employing dual photocells for removing spectral filter during strobe pulse
07/20/1983EP0084014A1 Camera-responsive charging apparatus for an electronic strobe flash unit
07/19/1983US4394570 Photoelectric conversion circuit
07/19/1983US4394078 Method of controlling exposure
07/12/1983US4392728 Camera with focal-plane shutter having contrast control
07/12/1983US4392727 Camera exposure control devices with smoothing circuit
07/12/1983CA1149662A1 Method and apparatus for controlling exposure by selective use of blocking visible filter
07/05/1983US4392078 Electron discharge device with a spatially periodic focused beam
07/05/1983US4391521 Photometer having asymmetrical aperture and with compensation for direction of incidence
07/05/1983US4391500 Camera with exposure measuring system
07/05/1983US4391488 Mount device of an interchangeable lens
06/1983
06/28/1983US4390262 Electromagnetically operated diaphragm shutter
06/28/1983US4390261 Flash camera with photographic mode selector
06/28/1983US4390259 Flash output control apparatus for camera
06/28/1983US4390258 Photomeric circuit for camera
06/22/1983EP0081714A1 System for checking the status, in particular the exposure status, of a film material contained in a film pack for plate-film cameras
06/21/1983US4389111 Camera
06/21/1983US4389108 Power supply control circuit in a camera
06/14/1983US4387977 Power supply device for camera
06/01/1983EP0079889A1 Photographic camera.
05/1983
05/31/1983US4385819 Display device in automatic exposure control camera
05/24/1983US4384775 Light supply device for an endoscope
05/24/1983US4384773 Digital light-to-frequency converter with preset voltage
05/24/1983CA1147014A1 Photoflash calculator control and display apparatus
05/18/1983EP0078957A1 Endoscopic photographing apparatus
05/17/1983US4384336 Method and apparatus for lightness imaging
05/17/1983US4383749 Automatic exposure control system
05/17/1983US4383745 Camera and automatic exposure control therefor for use with various types of flash units
05/11/1983EP0078278A1 Device for adjusting the exposure of an aerial photograph camera.
05/10/1983US4382669 Disablement of shutter release in photographic camera having interchangeable objectives
05/10/1983US4382667 Exposure compensation information forming apparatus for a camera
05/10/1983US4382666 Indicating device for computer type electronic flash apparatus
05/03/1983US4381890 Incident light filter for cameras
05/03/1983US4381889 Camera diaphragm aperture control device
04/1983
04/12/1983USRE31207 Leak current suppressing printed circuit board
04/06/1983EP0075747A2 Microcomputer controlled photographic exposure system and method
04/05/1983CA1143983A1 Camera method and apparatus for recording with selected contrast
03/1983
03/29/1983CA1143599A1 Camera with proportional fill flash quench strobe
03/15/1983US4376575 Single lens reflex cameras and viewfinder display switchover devices therefor
03/09/1983EP0016122B1 Pulse modulated automatic light control
03/08/1983US4376265 Power source voltage checking device particularly for checking the voltage of a battery in a camera
03/08/1983US4375915 Shutter time control camera
03/08/1983US4375912 Electric circuits for use in camera
03/01/1983US4375322 Full range variable proportional fill flash system
1 ... 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 ... 83