Patents for G03B 13 - Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras (11,611)
12/1990
12/04/1990US4975727 Focus detecting device
12/04/1990US4975725 Aperture and focus adjusting device for a camera
11/1990
11/27/1990US4974009 Focus detecting device and photographing apparatus provided with the same
11/27/1990US4974007 Photographing device having plural range finding elements and plural photometric elements
11/27/1990US4974006 Camera lens driving device
11/27/1990US4974005 Light measuring and distance measuring apparatus for camera
11/27/1990US4974003 Camera having an autofocus device
11/27/1990US4974002 Automatic focus adjusting device
11/27/1990US4973995 Camera system and attachment lens with integral lens sections
11/20/1990US4972221 Camera having an automatic focus adjusting apparatus
11/20/1990US4972216 Camera having a real-image viewfinder
11/20/1990US4972215 Lens driving apparatus for a camera
11/20/1990US4971429 Fixed focus and fixed pupilar distance binocular with head band
11/13/1990US4969723 Parallax adjusting mechanism for a finder device
11/06/1990US4969003 Autofocus device
10/1990
10/31/1990DE4013592A1 Opto-electronic view finder for video camera-recorder - has optical view finder with ocular and objective lenses in housing, and electronic view finder with reflex minor
10/31/1990CN2064896U Credential colour picture photographic device
10/30/1990US4967226 Re-imaging lens for focus state detecting device
10/30/1990US4967219 Camera with zoom lens
10/30/1990US4967218 Lens driving motor control apparatus
10/23/1990US4965615 Variable focus camera
10/23/1990US4965443 Focus detection apparatus using neural network means
10/16/1990US4963987 Video camera apparatus with grip axis and viewfinder optical axis in parallel relation
10/16/1990US4963913 Automatic focusing camera
10/16/1990US4963910 Camera system and intermediate accessory
10/16/1990US4963909 Camera system for selectively generating new memory address when a new switching state is different from a previous switching state
10/16/1990US4963906 Fiber-optically coupled video viewfinder
10/02/1990US4960986 Device and method for detecting a focusing state with reliability checking
09/1990
09/25/1990US4959678 Automatic focusing camera
09/18/1990US4957356 Finder device
09/12/1990EP0387088A2 Focus detection apparatus
09/11/1990US4956657 Photographic camera
09/11/1990US4956546 Method and apparatus for aligning image sensors with an optical system in an optical apparatus
09/06/1990DE3906707A1 Still frame camera
09/04/1990US4954861 Method of driving multiple flash rangefinder
09/04/1990US4954701 Focus detecting apparatus provided with a plurality of detecting fields
08/1990
08/29/1990CN1044993A Auto focus display for camera
08/29/1990CN1044992A Electronic camera viewfinder
08/28/1990US4952964 Camera system
08/28/1990US4952956 Finder optical system
08/23/1990DE4005041A1 Active auto-focussing photographic camera with remote controller - uses receiver common with range-measuring device and changeover switch for remotely setting off camera release
08/21/1990US4951082 Three-dimensional multi-pattern photo-metering apparatus
08/21/1990US4951077 Methods and device for measuring the brightness of an object
08/21/1990US4951074 Camera having zoom strobe device
08/16/1990EP0382564A2 Focus state detecting device
08/14/1990US4949118 Indicating apparatus within finder of single-lens reflex camera
08/14/1990US4949117 Camera
08/14/1990US4949110 Photographic camera
08/14/1990US4949107 Camera having telescopic capability
08/07/1990US4947202 Distance measuring apparatus of a camera
08/07/1990US4947198 Finder optical system for single reflex cameras
08/07/1990US4946252 Focusing screen
08/01/1990EP0379808A1 Focus detecting device
07/1990
07/31/1990US4945377 Phase difference detecting apparatus
07/31/1990US4945372 Camera
07/26/1990DE4002159A1 Auto-focussing attachment for photographic camera - enables auto-focus module to be positively mounted on camera body in light-proof and dust-proof housing
07/24/1990USRE33277 Automatic focusing device for use in a camera
07/24/1990US4944030 Lens shutter camera including zoom lens
07/17/1990US4942414 Front conversion adapter for lens shutter type of zoom lens camera
07/12/1990WO1990007727A1 Camera
07/12/1990DE4000448A1 Optical system with view finder - and penta-mirror has two plastic lenses of specified parameters
07/11/1990CN1043796A 伸缩式取景器 Telescopic viewfinder
07/10/1990US4941012 Finder optical system for cameras
07/03/1990US4939533 Auto-focusing device storing predetermined calibration information
06/1990
06/27/1990CN2058762U Retro-viewfinder of camera
06/26/1990US4936664 Zoom lens drive system for camera
06/19/1990US4935762 Auto/manual switching circuit
06/19/1990US4935613 Light projecting type distance measuring apparatus
06/13/1990EP0372772A1 Auto focus controlling system
06/13/1990EP0372022A1 Demand auto focus driven by scene information only
06/12/1990US4933702 Camera with night photography apparatus
06/12/1990US4933701 Camera and lens system capable of automatic focusing and manual focusing
06/12/1990US4933694 Camera view finder
06/12/1990CA1270320A1 Camera apparatus
06/05/1990US4931822 Focus detecting apparatus
06/05/1990US4931818 Camera view finder
05/1990
05/30/1990CN1042612A Camera view finder
05/23/1990EP0369806A2 Focus adjuster
05/15/1990US4926204 Photometric apparatus for a camera
05/15/1990US4926201 Finder optical system
05/08/1990US4924253 Drive apparatus for a focusing lens
05/02/1990EP0366413A2 Focus detecting apparatus
05/02/1990CN2056765U Type 135 build-in fm camara
05/01/1990US4922282 Optical apparatus for leading light fluxes transmitted through light dividing surface which is obliquely provided to focus detecting apparatus
05/01/1990US4921342 Device for performing cinema shots in conditions of low visibility
04/1990
04/26/1990DE3835547A1 Method for setting a camera during retakes
04/19/1990WO1990004199A1 Camera view finder
04/19/1990WO1990004197A1 Camera view finder
04/18/1990EP0364148A2 Camera with a pre-exposure correction possibility comprising a display
04/18/1990EP0363851A1 Camera view finder
04/18/1990EP0363850A1 Camera view finder
04/17/1990US4918479 Camera
04/11/1990CN2055946U Double pattern automatic focusing system of camera
04/11/1990CN2055945U Indirect multi-azimuth view-finder for horizon camera
04/10/1990US4916472 Automatic focus control device for camera
04/05/1990DE3933191A1 Elektronische einzelbildkamera Single electronic imaging camera
04/04/1990EP0361523A2 Autofocusing system for a camera
04/04/1990EP0361355A1 Camera apparatus
04/03/1990US4914461 Camera having variable illumination angle strobe device and zoom lens
03/1990
03/27/1990US4912497 Device for detecting the focal value for the focusing of optical apparatus