| Patents for G03B 13 - Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras (11,611) |
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| 05/29/1992 | WO1992009000A1 Device for sensing in-focus position |
| 05/26/1992 | US5117251 Reflex camera |
| 05/26/1992 | US5117247 Viewfinder optical system compensated in macrophotographic or parallox diopter |
| 05/26/1992 | US5117137 Stepping motor for use in a camera with multiple shutters |
| 05/19/1992 | US5115269 Camera having luminance difference mode control |
| 05/12/1992 | US5113215 Image position detecting device |
| 05/12/1992 | US5113214 Zoom lens system |
| 05/05/1992 | US5111228 Horizontal/vertical frame viewfinder |
| 05/05/1992 | US5111227 Zoom camera |
| 04/28/1992 | US5109245 Electric focusing device |
| 04/28/1992 | US5109161 Light emitter and optical system for a distance measuring device |
| 04/28/1992 | US5109154 Focus detection device having a plurality of means for forming light patterns provided at different distances from the optical axis |
| 04/21/1992 | US5107449 Distance measuring device |
| 04/15/1992 | EP0480774A1 Camera control system |
| 04/14/1992 | US5105213 Self-timer device |
| 04/07/1992 | US5103251 Camera capable of providing a pseudo print format |
| 04/01/1992 | EP0477847A2 Focusing-error detecting apparatus |
| 03/31/1992 | CA1298129C Infrared wink ranging system |
| 03/31/1992 | CA1298128C Distributed aperture autofocus sensor |
| 03/24/1992 | US5099266 Range meter for camera |
| 03/24/1992 | US5099265 Combination optical and electronical viewfinder |
| 03/18/1992 | EP0475741A2 Focusing screen and method of manufacturing the same |
| 03/18/1992 | CN2099324U Camera offside viewer |
| 03/17/1992 | US5097262 Analog-to-digital converter for camera |
| 03/17/1992 | US5096289 Arithmetic operating means |
| 03/10/1992 | US5095326 Kepler-type erect image viewfinder and erecting prism |
| 03/10/1992 | CA1296934C Slit lens autofocus system |
| 03/10/1992 | CA1296933C Focusing system for camera apparatus |
| 03/04/1992 | EP0473199A2 Zoom lens drive system for lens shutter type of camera |
| 03/03/1992 | US5093562 Focus detecting apparatus with improved precision in detecting phase difference |
| 02/25/1992 | USRE33830 Auto-focus system for video camera |
| 02/25/1992 | US5091742 Camera having an auto focusing device |
| 02/25/1992 | US5091739 Real image mode finder |
| 02/24/1992 | WO1992003758A1 Automatic optimization of photographic exposure parameters through determination and utilization of extra system speed |
| 02/24/1992 | CA2087956A1 Automatic optimization of photographic exposure parameters through determination and utilization of extra system speed |
| 02/18/1992 | US5089841 Device for automatically changing magnification of camera zoom lens |
| 02/18/1992 | US5089835 Phase-type diffusing plate |
| 02/12/1992 | EP0470307A1 Fiber optically coupled video viewfinder |
| 02/04/1992 | US5086353 Variable magnification viewfinder optical system |
| 02/04/1992 | US5085977 Focusing screen and a method of forming a microstructure array for use with a focusing screen |
| 01/28/1992 | US5084723 Focus detecting device |
| 01/23/1992 | WO1992001238A1 Constrat-based autofocus mechanism |
| 01/23/1992 | DE4121145A1 Subjects detection system for auto focus camera - selectively detects objects in field of view using two image sensors and correlation tester to indicated selected subjects |
| 01/22/1992 | EP0467161A2 Focus detecting device |
| 01/21/1992 | US5083146 Zoom lens camera |
| 01/15/1992 | EP0466393A1 Auto focus apparatus |
| 01/15/1992 | EP0466277A1 Passive ranging and rapid autofocusing |
| 01/14/1992 | US5081545 Focusing screen |
| 01/14/1992 | US5081480 Finder of camera having macro-photographing function |
| 01/14/1992 | US5081479 Automatic focusing device |
| 01/14/1992 | US5081344 Distance measuring device using both active and passive distance detection modes |
| 01/02/1992 | DE4020632A1 Camera viewfinder with image field marking - has beam splitter reflecting light from source onto field of view limiter of display plate |
| 12/31/1991 | US5077571 Electric focusing apparatus |
| 12/31/1991 | US5076686 Automatic focusing system for use with a motion picture camera |
| 12/24/1991 | US5075713 Focus control system for camera device |
| 12/17/1991 | CA1293144C Zoom lens drive system for camera |
| 12/04/1991 | EP0459484A2 Automatic focusing system with phase difference detecting unit employing correlation operating circuit |
| 12/03/1991 | US5070353 Automatic focusing apparatus |
| 12/03/1991 | US5069543 Apparatus for measuring distances at many points |
| 11/26/1991 | US5068738 Phase-difference detector using an analog arithmetic correlation device |
| 11/26/1991 | US5068682 Focus adjuster |
| 11/26/1991 | US5068678 Device for driving photographing lens and finder device of camera having zoom lens |
| 11/19/1991 | US5066971 Camera |
| 11/19/1991 | US5066970 Swinging type camera |
| 11/19/1991 | US5066115 View-finding optical system capable of eyesight adjustment |
| 11/19/1991 | CA1292136C Shutter release mechanism for automatic cameras |
| 11/13/1991 | EP0456320A2 Automatic focus control device |
| 11/13/1991 | CN2088705U Multi-size negative camera |
| 11/12/1991 | US5065177 SLR camera with auxiliary light emitter |
| 11/05/1991 | US5063402 Apparatus for retracting a photo-taking lens |
| 11/05/1991 | US5062696 Camera apparatus |
| 10/31/1991 | DE4113571A1 Camera view finder with viewing field visual display - uses liquid crystal cell with electrodes supplied to define different fields of view |
| 10/29/1991 | US5061953 Focus adjusting apparatus for use in a camera or the like |
| 10/29/1991 | US5061951 Auto focus device |
| 10/29/1991 | US5061054 Keplerian finder optical system |
| 10/22/1991 | US5060001 Optical apparatus |
| 10/22/1991 | US5059999 Autofocus apparatus for a camera |
| 10/22/1991 | US5059994 Two magnification three mask viewfinder |
| 10/22/1991 | US5059993 View finder mode selector and shutter release means |
| 10/22/1991 | US5059992 Drive device for motor |
| 10/16/1991 | EP0452226A2 Autofocus unit motor control circuit |
| 10/08/1991 | US5055933 Automatic focusing apparatus and automatic focusing method for automatically matching focus in response to video signal |
| 10/08/1991 | US5055932 Zoom lens apparatus with auto-focusing |
| 10/08/1991 | US5054886 Lens frame |
| 10/01/1991 | US5053801 Device for automatically adjusting focus or detecting object distance or camera having such function |
| 10/01/1991 | US5053798 Automatic focusing device |
| 10/01/1991 | US5052791 Variable magnification viewfinder optical system with variable magnification based on polarization |
| 10/01/1991 | US5052787 Zoom finder |
| 09/24/1991 | US5051767 Distance measuring device |
| 09/24/1991 | US5051766 Automatic focusing camera with multiple distance measuring function |
| 09/17/1991 | US5049916 Automatic optimization of photographic exposure parameters through determination and utilization of extra system speed |
| 09/10/1991 | US5047796 Automatic focusing device for camera |
| 09/03/1991 | US5045873 Motor driven shutter |
| 08/28/1991 | EP0443527A2 Backlighted display panel device |
| 08/28/1991 | EP0443497A2 Rear light detecting apparatus in a camera |
| 08/28/1991 | EP0443463A1 Camera |
| 08/28/1991 | EP0443358A1 Optical finder for camera with flip-up flash unit |
| 08/27/1991 | US5043564 Dual integration type electro-optical distance measuring device wherein the first integration time is reverse integrated |
| 08/22/1991 | WO1991012558A1 Camera with flip-up flash unit |
| 08/22/1991 | DE4104532A1 Camera having macro photographing function |