| Patents for G03B 13 - Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras (11,611) |
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| 05/16/1989 | US4831405 Auto-focus arithmetic device |
| 05/16/1989 | US4831404 Automatic focusing camera |
| 05/16/1989 | US4831399 Finder switching apparatus for camera |
| 05/09/1989 | US4829331 Camera having auto-focussing device |
| 05/09/1989 | US4829171 Automatic camera focusing apparatus with movable position sensitive detector |
| 05/09/1989 | US4828383 Range-finding optical system |
| 05/09/1989 | US4828381 Automatic visibility correction viewfinder system for optical devices |
| 05/09/1989 | US4828374 Albada type inverted Galileo finder |
| 05/02/1989 | US4827296 Single-lens reflex camera |
| 04/25/1989 | US4825240 Camera |
| 04/25/1989 | US4825239 Distance detection method and apparatus |
| 04/25/1989 | US4825238 Focus detecting device |
| 04/18/1989 | US4823157 Camera with automatic focusing apparatus |
| 04/12/1989 | EP0311000A1 Low reflection optical reticle and method of making same |
| 04/11/1989 | US4821058 Camera with flash responsive focus system |
| 04/04/1989 | US4818921 Apparatus for controlling a motor in a camera |
| 04/04/1989 | US4818865 Focus detecting system for camera utilizing correction data on the aberration of the photographic lens |
| 03/28/1989 | US4816861 Focus condition detecting device |
| 03/28/1989 | US4816856 Automatic focus control device |
| 03/28/1989 | US4816664 Focusing detector having a scanning grating used both as a beam splitter and spatial and frequency filter |
| 03/28/1989 | US4816663 Camera system with vignetting calculation and memory means |
| 03/22/1989 | CN2034702U Accessory for expanding the 120 camera to be multifunctional |
| 03/21/1989 | US4814810 Active-type auto-focusing mechanism |
| 03/14/1989 | US4812869 Focus detecting apparatus |
| 03/14/1989 | US4812868 Detecting apparatus for focus in camera |
| 03/14/1989 | US4812864 Camera and two-element viewfinder |
| 03/14/1989 | US4812863 Lens-fitted photographic film package |
| 03/14/1989 | US4812640 Slit lens autofocus system |
| 03/14/1989 | US4812636 Automatic focal point control apparatus with correction of sequential defocus signals dependent on object contrast |
| 03/14/1989 | US4812023 Zoom finder |
| 03/08/1989 | EP0305932A2 Apparatus for suppressing optical frequencies |
| 03/07/1989 | US4811043 Data transmission system for use in a camera system |
| 03/07/1989 | US4810091 Apparatus and method for adjusting focus of a multi-element optical detector |
| 03/01/1989 | CN2033520U Pictures increasing apparatus of 135 camera |
| 02/28/1989 | US4809077 Solid state image sensor drive apparatus |
| 02/28/1989 | US4808808 Focus detecting optical system including two prisms for light refraction |
| 02/28/1989 | US4808806 Optical system for use in focus detecting apparatus |
| 02/28/1989 | CA1250472A1 Camera finder |
| 02/14/1989 | CA1249942A1 Camera for recording television, photographic or cinematographic images, comprising an automatic focusing device |
| 02/08/1989 | EP0302689A1 Camera equipped with a television set |
| 02/07/1989 | US4803506 Electromagnetic control device for cameras |
| 01/31/1989 | US4801795 Spatial frequency filter in which frequency components greater than the Niquist frequency are suppressed |
| 01/25/1989 | CN2031541U Multiple width camera accessory |
| 01/24/1989 | US4800410 Focus detecting apparatus for selecting the operating process in conformity with the contrast of an object |
| 01/24/1989 | US4800261 Apparatus for detecting focusing state of objective lens |
| 01/17/1989 | US4799077 Photographic camera |
| 01/11/1989 | EP0298486A2 Phase difference detecting apparatus |
| 01/04/1989 | CN2030335U Double-picture directly-combined stereoscope |
| 01/03/1989 | US4796044 Auto-focus camera |
| 01/03/1989 | US4795238 Liquid crystal focusing screen having different groups of electrodes |
| 12/20/1988 | US4792822 Camera with changeable focal length |
| 12/20/1988 | US4792821 Auto-focus apparatus in a camera |
| 12/20/1988 | CA1246910A1 Focussing error detecting apparatus |
| 12/07/1988 | EP0293369A1 A device for performing cinema shots in conditions of low visibility |
| 12/06/1988 | USRE32797 Pseudo format camera with exposure control |
| 12/06/1988 | US4789898 Demand auto focus driven by scene information only |
| 11/30/1988 | EP0292956A2 Autofocus system |
| 11/22/1988 | US4786934 Photographic camera having an interchangeable lens |
| 11/22/1988 | US4786933 Focus detection apparatus for camera |
| 11/22/1988 | US4786932 Camera having a focus state detection device |
| 11/17/1988 | EP0290802A2 Focusing system for camera apparatus |
| 11/16/1988 | CN87206577U High-speed image synthesizer |
| 11/15/1988 | US4785323 Exposure control |
| 11/15/1988 | US4785322 Infrared wink ranging system |
| 11/02/1988 | CN87216857U 135 camera accessory |
| 11/01/1988 | US4782356 Automatic focusing apparatus |
| 11/01/1988 | US4782224 Electrooptical presence recognition-sensor |
| 10/26/1988 | EP0287639A1 Optical device. |
| 10/25/1988 | US4779969 Finding device of variable magnification |
| 10/12/1988 | EP0285796A1 Optical range finding system |
| 10/11/1988 | US4777505 Automatic focusing control system |
| 10/11/1988 | US4777504 Camera with an automatic focusing device |
| 10/04/1988 | US4775229 Fresnel lens in a finder optical system |
| 09/28/1988 | EP0283749A2 Automatic visibility correction viewfinder system for optical devices |
| 09/27/1988 | US4774401 Light measuring device variably controlled according to focus mode selection |
| 09/20/1988 | US4772912 Temperature compensation device for focus detecting device |
| 09/20/1988 | US4772117 Focus detecting device having blur detecting function |
| 09/13/1988 | US4771308 Auxiliary light projecting apparatus for a focus detecting system |
| 09/13/1988 | US4771307 Automatic focusing system for use in camera |
| 09/13/1988 | US4771304 Focusing screen |
| 09/07/1988 | EP0281078A2 Camera with automatic focusing apparatus |
| 08/31/1988 | EP0280256A2 Focus detection apparatus for camera |
| 08/31/1988 | CN88210043U Single negative multiframe exposure accessory for common photo camera |
| 08/31/1988 | CN88200226U Photo-and photocopying camera with separate frame exposure capability |
| 08/31/1988 | CN87107905A Multipurpose camera |
| 08/30/1988 | US4768053 Distance measuring apparatus |
| 08/30/1988 | US4768052 Focus detecting device |
| 08/30/1988 | US4768047 Photographic camera |
| 08/18/1988 | DE3803331A1 Camera |
| 08/17/1988 | CN88211094U Viewfinding and zooming combined photographic lens |
| 08/16/1988 | US4764787 Automatic focus adjusting device |
| 08/16/1988 | US4764785 Viewfinder |
| 08/16/1988 | US4763997 Viewfinder optical system of inverted Galilean type with great magnification |
| 08/09/1988 | US4762987 Automatic focusing system with correlation-determined disabling |
| 08/03/1988 | CN87215554U Camera with multiple-size and multifunction of shoot |
| 07/26/1988 | US4760418 Flash photographing system |
| 07/12/1988 | US4757340 Focusing apparatus for camera |
| 07/12/1988 | US4757336 View finder of variable magnification |
| 07/05/1988 | US4755840 Reflex apparatus for the viewing of the ground-glass plate of a photographic camera |
| 06/21/1988 | US4752831 Focusing system for camera apparatus |