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 9 - Exposure-making shutters; Diaphragms
Patents for G03B 9 - Exposure-making shutters; Diaphragms (4,836)
06/1982
06/29/1982US4336990 Diaphragm control system
06/29/1982US4336988 Camera with lens disc drive system
06/29/1982CA1126561A1 Range synchronized flash photographic apparatus and method for achieving optimum flash exposure
06/22/1982US4335947 Camera shutter assembly
06/15/1982US4334749 Camera having an electromagnetically driven shutter
06/15/1982US4334748 Photographic camera light controlling apparatus
06/15/1982US4334747 Device for preventing spring-back of shutter blade
06/15/1982US4334746 Photographic lens barrel
06/08/1982US4333722 Method of controlling electromagnetic actuator in a camera, and actuator controllable thereby
06/08/1982US4333721 Electromagnetically driven shutter
06/08/1982US4333720 Stop control device
06/01/1982US4332452 Electric shutter for camera
06/01/1982US4332450 Magnetic actuation methods and apparatus
06/01/1982US4332447 Electromagnetic shutter apparatus for camera
05/1982
05/18/1982US4330192 Interchangeable lens assembly for a camera
05/18/1982US4330187 Self-timer for automatic focusing camera
05/11/1982US4329040 Signal transmitting device of an intermediate lens barrel of a camera
05/11/1982US4329039 Shutter release apparatus
05/11/1982US4329038 Automatic focusing camera equipped with self-timer
05/11/1982US4328711 Reduction gear
05/04/1982US4327978 Camera diaphragm control device for flash photography
05/04/1982US4327977 Frictionally controlled photographic camera apparatus such as a reflex camera
04/1982
04/27/1982USRE30915 Aperture interlocking device for a single lens reflex camera of the interchangeable viewfinder type
04/27/1982US4326789 Interchangeable lens assembly for a camera
04/27/1982US4326788 Information transmission means in an intermediate lens tube for camera
04/27/1982US4326787 Magnetized shutter blades
04/27/1982US4326786 Electromagnetically driven shutter
04/27/1982CA1122456A1 Auto/manual focus control mode selector
04/27/1982CA1122454A1 Auto/manual focus control inhibit/override
04/21/1982EP0049973A1 Apparatus for photographic exposure control
04/20/1982US4325619 Camera
04/13/1982US4324471 Electromagnetic drive device for camera
04/13/1982US4324463 Photographic camera
03/1982
03/30/1982US4322152 Electromagnetic release mechanism
03/30/1982US4322145 Shutter device for camera
03/30/1982US4322144 Aperture stop-down confirmation device for camera
03/30/1982US4322140 Shutter opening angle control device for a motion picture camera
03/23/1982US4320951 Extension tube for camera
03/23/1982US4320950 Electromagnetically driven shutter
03/17/1982EP0047495A2 Cinematographic apparatus
03/16/1982US4319824 Rebound damping means for fast-closing photographic diaphragms
03/16/1982US4319823 Electromagnetic driving device
03/16/1982US4319822 Electromagnetically operated shutter
03/16/1982US4319821 Shutter blades for camera
03/16/1982US4319819 Reflex shutter
03/09/1982US4319211 Electromagnetically driven device
02/1982
02/24/1982EP0046265A1 Photographic camera with synchronisation contact
02/23/1982US4316662 Brake device for shutter
02/23/1982US4316661 Electromagnetically operated shutter
02/16/1982US4315681 Camera with lens disc stopping system
02/16/1982US4315678 Electrical shutter of electromagnetic release type for camera having adjustable delay circuit for adjusting the precision of the electrical shutter
02/02/1982US4313663 Electrooptic diaphragm and circuit operative for causing the diaphragm to open up stepwise and then close to terminate exposure
02/02/1982US4313662 Self-timer device
02/02/1982US4313661 Electromagnetic release device for camera
02/02/1982US4313660 Release device for a camera
02/02/1982US4313659 Electromagnetically driven slit exposure shutter
02/02/1982US4313658 Camera having electromagnetic drive source
01/1982
01/26/1982US4312583 Electromagnetically driven shutter device
01/19/1982US4311373 Photographic camera with driving and stopping mechanism
01/19/1982US4311371 Exposure control system for camera
01/19/1982CA1116454A1 Photographic exposure control system with independent ambient and artificial illumination control modes
01/12/1982US4310230 Apparatus for preventing malfunction of an electric shutter device
12/1981
12/29/1981CA1115107A1 Electromagnet controlled scanning shutter blade arrangement
12/22/1981US4306798 Electromagnetically driven slit exposure shutter
12/22/1981US4306797 Electromagnetically driven shutter
12/22/1981US4306796 Shutter assembly for photographing devices with precision timing facility
12/22/1981US4306793 Camera provided with electromagnetic drive source
12/22/1981US4306788 Electromagnetically controlled shutter
12/22/1981US4306784 Photographic camera with an operation mode display device
12/08/1981US4304475 Warning system for automatic focusing camera
12/01/1981US4303328 Device for photographic cameras with focal plane shutter
12/01/1981US4303326 Electromagnetically driven shutter device for camera
11/1981
11/24/1981US4302091 Bound preventing device for focal plane shutters
11/24/1981US4302090 Antibounce device for electromagnetically driven shutter
11/24/1981CA1112927A1 Photographic camera system and a focal plane photographic camera shutter system
11/17/1981US4300823 Auto-focus camera having a rangefinder
11/10/1981US4299461 Exposure and flash fire control system
11/10/1981US4299459 Diaphragm control circuit for camera
11/04/1981EP0039246A2 Aperture control mechanism
11/03/1981US4298266 Interchangeable lens for cameras, such as reflex cameras
11/03/1981US4298265 Light-intercepting device in a camera
11/03/1981US4298264 Single-pivot type focal-plane shutter drum mechanism
11/03/1981US4298263 Electromagnetic release device in a camera
11/03/1981US4298262 Aperture device of a lens capable of close proximity flash photography
11/03/1981US4298256 Exposure control device for camera
10/1981
10/27/1981US4297016 Scanning shutter blade arrangement with dynamic apertures for ambient and flash exposures
10/27/1981US4297015 Camera automatic focus apparatus
10/20/1981US4295726 Blade type focal plane shutter
10/20/1981US4295725 Photographic shutter
10/20/1981US4295724 Electric self-timer device for cameras
10/20/1981US4295722 Camera for daylight and flash photography
10/20/1981US4295720 Apparatus for determining light reflection from a focal plane shutter
10/13/1981US4294532 Shutter blade device for focal plane shutter
10/13/1981US4294526 Automatic focusing camera combined with manual focusing system
09/1981
09/22/1981US4290682 Electromagnetically operated shutter
09/22/1981US4290681 Programmed shutter device
09/15/1981US4289388 Automatic focus adjusting device of a camera having a self-timer
09/01/1981US4287549 Circuit for charging a release magnet energizing capacitor in a camera
09/01/1981US4286856 Electromagnetic shutter for lens
09/01/1981US4286855 Electromagnetic releasing device
1 ... 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49