| Patents for G03B 7 - Control of exposure by setting shutters, diaphragms, or filters separately or conjointly (8,263) |
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| 07/07/1981 | US4277155 Control device for photographic cameras |
| 06/30/1981 | US4275955 Shutter release interrupting system |
| 06/30/1981 | US4275953 Exposure parameter information generating circuit in a single lens reflex camera |
| 06/25/1981 | WO1981001751A1 Camera having an automatic control mechanism |
| 06/23/1981 | US4274730 System for inputting information into digital control circuit means of a camera |
| 06/23/1981 | US4274722 Automatic flash light control device for camera |
| 06/23/1981 | US4274721 Metering device of a camera |
| 06/16/1981 | US4273432 Motor driven camera |
| 06/16/1981 | US4273431 Adapter for coupling a photographic camera with a viewing device |
| 06/16/1981 | US4273430 Photographic camera |
| 06/16/1981 | US4273429 Electric shutter device provided with an electric self-timer |
| 06/16/1981 | US4273428 Digital exposure-duration control circuit with upper limit on exposure duration |
| 06/09/1981 | US4272186 Camera method and apparatus for recording with selected contrast |
| 06/09/1981 | US4272176 Camera having an acoustic indicator for generating sounds to indicate the status of certain operating conditions |
| 06/09/1981 | US4272174 Automatic and manual focus control lens barrel structure |
| 06/09/1981 | US4272168 Photographic camera of automatic exposure control type |
| 06/02/1981 | US4270852 Sound device incorporated camera |
| 06/02/1981 | US4270851 Automatic film sensitivity setting system for camera |
| 05/26/1981 | US4269497 Lens barrel for both priorities or shutter speed priority mode automatic exposure system |
| 05/26/1981 | US4269496 Power supply circuit for camera |
| 05/26/1981 | US4269492 Photographic camera with single selector structure performing exposure-parameter adjustment and also switching of control and monitoring circuits |
| 05/26/1981 | US4269490 Programmed shutter gamma switching circuit |
| 05/19/1981 | US4268152 Bulb photography control system for camera |
| 05/19/1981 | US4268148 Motor drive mechanism |
| 05/19/1981 | US4268140 Electrically-controlled shutter for automatic exposure camera |
| 05/19/1981 | US4268138 Follow focus flash arrangement |
| 05/19/1981 | US4268136 Camera having an automatic exposure control means |
| 05/13/1981 | EP0028301A2 Exposure control circuit for the light source of a camera |
| 05/12/1981 | US4267437 Exposure control device for a camera |
| 05/12/1981 | US4266865 Diaphragm correcting means of an objective lens mounted on a single lens reflex camera of the TTL full aperture exposure measurement type |
| 05/12/1981 | CA1100805A1 Exposure control system for use in photographic camera apparatus |
| 05/05/1981 | US4265521 Digital control camera |
| 05/05/1981 | US4265518 Variable magnification apparatus having illumination compensating ability |
| 04/28/1981 | US4264176 Exposure control device for camera |
| 04/28/1981 | US4264164 Memory holding device in a single lens reflex camera |
| 04/28/1981 | US4264163 Exposure control apparatus with compensation for film reciprocity failure |
| 04/28/1981 | US4264162 Drive system for electromagnetically driven shutter |
| 04/28/1981 | US4264161 Motion detecting device in exposure control system for optical instruments |
| 04/28/1981 | US4264159 Control system for single lens reflex camera |
| 04/22/1981 | EP0027271A1 Photographing system for endoscope |
| 04/14/1981 | US4261659 Exposure indicator control circuit |
| 04/14/1981 | US4261658 Camera |
| 04/08/1981 | EP0026273A2 Device for setting the diaphragm |
| 04/07/1981 | US4260256 Apparatus for measuring illuminance |
| 04/07/1981 | US4260230 Charge device for secondary batteries |
| 03/31/1981 | US4258999 Power source voltage checking circuit |
| 03/31/1981 | US4258993 Light discrimination apparatus |
| 03/31/1981 | US4258992 Automatic control device for a camera having an electromagnetic release device |
| 03/31/1981 | US4258990 Program type electric shutter provided with exposure warning indicating device |
| 03/24/1981 | US4257693 Cine camera |
| 03/17/1981 | US4256391 Flash responsive exposure time control system |
| 03/10/1981 | US4255030 Camera with proportional fill flash quench strobe |
| 03/10/1981 | US4255027 Exposure control device for photographic camera |
| 03/03/1981 | USRE30534 Electronic flash inhibit arrangement |
| 03/03/1981 | US4253756 Three operational mode camera |
| 03/03/1981 | US4253750 Power supply control apparatus for camera |
| 02/24/1981 | US4252441 Arrangement for measuring exposure in photography with an electronic exposure meter and adapter |
| 02/24/1981 | US4252424 Focusing optical system for single-lens reflex cameras |
| 02/17/1981 | US4251546 Process for killing internal helminths using certain 1,1-bis-(2-substituted-3-nitrophenyl)alkane or alkylene derivatives |
| 02/17/1981 | US4251151 Apparatus including battery check circuit |
| 02/17/1981 | US4251147 Electronic flash with calculator |
| 02/17/1981 | US4251142 Light totalizing system for photographic camera provided with a shutter-diaphragm |
| 02/17/1981 | US4251141 Shutter-diaphragm system with light-totalizing circuit |
| 02/10/1981 | US4250539 Supporting means for an electrical circuit |
| 02/10/1981 | US4249816 Photographic camera with a release locking device |
| 02/10/1981 | US4249809 Automatic control circuit system for cameras provided with a focal-plane shutter having front and rear screens |
| 02/03/1981 | US4249109 Light digitizing circuit for an electronic flash device |
| 01/28/1981 | EP0022903A1 Reflecting shutter blind for photographic cameras and method of production thereof |
| 01/27/1981 | US4247188 Automatic exposure camera |
| 01/27/1981 | US4247186 Photometric circuit for camera |
| 01/21/1981 | EP0022524A1 Sensor-integrator system |
| 01/20/1981 | US4246476 Automatic focusing apparatus for use with a plurality of lenses |
| 01/20/1981 | US4245901 Interchangeable-lens type TTL automatic exposure camera |
| 01/20/1981 | US4245900 Electronic exposure control apparatus |
| 01/13/1981 | US4245217 Passive infrared alarm device |
| 01/13/1981 | US4244643 Manual setting device in digital type electrical control camera |
| 01/07/1981 | EP0020918A1 Reflector for different lighting angles |
| 01/06/1981 | US4243309 Walking beam latch and lens disc actuator arrangement |
| 01/06/1981 | US4243308 Exposure computation circuit |
| 12/23/1980 | US4240726 Photographic apparatus with automatic focusing means |
| 12/16/1980 | US4239984 Signal system |
| 12/16/1980 | US4239358 Alarm device control system in a camera |
| 12/09/1980 | US4238149 Flash camera system with daylight cutout control |
| 12/02/1980 | US4237439 Release electromagnet assembly |
| 12/02/1980 | US4236804 Lens information introducing device having corrected extraneous light |
| 12/02/1980 | US4236803 Lens for a camera provided with code patterns |
| 12/02/1980 | US4236802 Safety device for camera |
| 12/02/1980 | US4236801 Exposure factor switching circuit |
| 12/02/1980 | US4236796 Photographic camera provided with flash means |
| 11/25/1980 | US4235539 Photographic exposure control system utilizing a single photocell for three distinct purposes |
| 11/25/1980 | US4235538 Digital control camera |
| 11/11/1980 | US4232955 Memory locking means of an exposure control circuit for a camera |
| 10/28/1980 | US4230402 Flash exposure control system |
| 10/28/1980 | US4230400 Photographic camera with exposure-control and focussing means |
| 10/21/1980 | US4229088 Exposure time controlling system |
| 10/21/1980 | US4229087 Focusing optical system for single-lens reflex |
| 10/21/1980 | CA1087894A1 Light discrimination apparatus measuring flicker ratios |
| 10/14/1980 | US4227808 Digital light measuring device |
| 10/14/1980 | US4227791 Lens barrel for flash photography |
| 10/14/1980 | US4227787 Bulb photographing control system for an electric shutter camera |