| Patents for G03B 13 - Viewfinders; Focusing aids for cameras; Means for focusing for cameras; Autofocus systems for cameras (11,611) |
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| 03/27/1990 | US4912496 Automatic focussing adjusting device |
| 03/27/1990 | US4912494 Camera system |
| 03/27/1990 | US4912493 Camera system |
| 03/20/1990 | US4910547 Lens driving system for automatic focusing zone focus camera |
| 03/20/1990 | US4909624 Active distance measuring apparatus |
| 03/13/1990 | US4908649 Automatic focus detection device for use in a camera |
| 03/13/1990 | US4908647 Lens driving device |
| 03/13/1990 | US4908504 Focus detecting optical system |
| 03/06/1990 | US4907025 Automatic focusing camera |
| 03/06/1990 | US4907024 Automatic focus adjusting apparatus effecting temporary high-speed focusing |
| 02/27/1990 | US4905032 Automatic focus detecting device |
| 02/27/1990 | US4904855 Method for detecting relative position of an image pair including contrast detection |
| 02/20/1990 | US4903066 Optical system for focus state detection |
| 02/20/1990 | US4903056 Camera having checking function |
| 02/20/1990 | US4902330 Method of producing gradient-index lens |
| 02/20/1990 | US4902115 Optical system for endoscopes |
| 02/20/1990 | US4902101 Automatic focusing method |
| 02/13/1990 | US4901102 Focus detecting optical system |
| 02/13/1990 | US4901101 Automatic focus control device for use in a camera system |
| 02/13/1990 | US4900911 Focus detecting system utilizing correction data on aberrations of the photographic lens |
| 02/06/1990 | EP0316341A4 Method and apparatus for reading data with ccd area arrays. |
| 01/31/1990 | CN2052127U Scene-combining comera |
| 01/30/1990 | US4897683 Focusing lens drive method |
| 01/24/1990 | EP0351855A2 Focus detecting apparatus for camera and self-scanning image sensor therefor |
| 01/23/1990 | US4896179 Lens drive apparatus for camera |
| 01/18/1990 | DE3921615A1 Fotografische kamera Photographic camera |
| 01/16/1990 | US4894676 Automatic focusing device for camera |
| 01/11/1990 | DE3921643A1 Photographic camera having automatic focusing |
| 01/11/1990 | DE3913368A1 Process and apparatus for optimum development of photographic images |
| 01/10/1990 | EP0349736A2 Automatic focusing apparatus of a camera |
| 01/09/1990 | US4893141 Open frame sight viewfinder |
| 01/02/1990 | US4891658 Open frame sight viewfinder |
| 12/20/1989 | CN2049786U Multi-characteristic camera |
| 12/12/1989 | US4887117 Camera having auto-focus device |
| 12/12/1989 | US4887109 Viewfinder for a camera with changeable focal length |
| 12/12/1989 | US4887108 Photographic camera |
| 11/28/1989 | US4883951 Method and system for detecting whether an optical system is in focus using an improved interpolation technique |
| 11/21/1989 | US4882601 Camera with an automatic focusing device |
| 11/15/1989 | CN2047800U Attachment lens for multi-image photography |
| 11/14/1989 | US4881097 Apparatus for controlling automatic focusing in cameras |
| 11/14/1989 | US4881096 Motor-driven shutter for camera |
| 11/14/1989 | US4881094 Lens interchange type single-lens reflex camera system and intermediate barrel therefor |
| 11/09/1989 | DE3900157A1 Focusing screen and method for producing a microstructure arrangement for use with said focusing screen |
| 11/08/1989 | CN2047395U Multiple partition and multiple traceless combination photographic unit |
| 11/01/1989 | CN2047033U Exchanging instrument for 120 type camera |
| 10/31/1989 | US4878080 Camera zoom lens automatic magnification apparatus |
| 10/31/1989 | US4878079 Focus detecting device |
| 10/17/1989 | US4874230 Zoom lens with a variable power lens element |
| 10/10/1989 | US4873576 Camera equipped with a television set |
| 10/10/1989 | US4873543 Automatic focusing camera |
| 10/04/1989 | EP0335656A1 Automatic focus control apparatus |
| 10/03/1989 | US4872058 Automatic focusing device |
| 10/03/1989 | US4871906 Focus detecting device using correlation |
| 09/26/1989 | US4870442 Auxiliary light projecting apparatus for a focus detecting system |
| 09/26/1989 | US4870441 Photoelectric conversion apparatus for focus detection |
| 09/26/1989 | US4870436 Close-up photographing device |
| 09/26/1989 | CA1261185A1 Photographic apparatus |
| 09/19/1989 | US4868666 Automatic focusing apparatus having an automatic offset voltage regulating device |
| 09/13/1989 | CN2044356U Camera 135 with image synthetic device |
| 09/12/1989 | US4866527 Image sensor with non-destructive readout |
| 09/05/1989 | US4864345 Distance measuring and light measuring optical system |
| 08/30/1989 | CN2043766U Camera with film and sectional structure |
| 08/29/1989 | US4862208 Information transmitting device for camera |
| 08/23/1989 | EP0328929A2 Camera and two-element viewfinder |
| 08/15/1989 | US4857951 Output device for range information for use in an interchangeable lens |
| 08/15/1989 | US4857717 Automatic focusing device using a light sensor of center-split type |
| 08/15/1989 | US4856882 Camera apparatus with means for suppressing fluctuations of the image |
| 08/08/1989 | USRE33016 Protective device for automatic focusing camera |
| 08/08/1989 | US4855837 Video cover and viewfinder accessory for a still camera |
| 08/08/1989 | US4854680 Zoom view finder |
| 08/08/1989 | US4854673 Lens photographing distance range limiting device |
| 07/27/1989 | WO1989006891A1 Demand auto focus driven by scene information only |
| 07/27/1989 | WO1989006823A1 Camera with flash responsive focus system |
| 07/25/1989 | US4851164 Method of manufacturing focal plates |
| 07/25/1989 | US4850692 Semiconductor light position detector for rangefinder |
| 07/19/1989 | EP0324423A2 Electromagnetic control device for cameras |
| 07/19/1989 | EP0324076A2 Multi-element optical detector |
| 07/13/1989 | DE3841575A1 Device for determining the viewing direction of the user of a photographic camera |
| 07/11/1989 | US4847648 For changing a focal distance |
| 07/05/1989 | EP0322569A2 Infrared wink ranging system |
| 07/04/1989 | US4845353 Focus detecting system |
| 07/04/1989 | US4844586 Adjustment apparatus for a lens barrel with built-in motor |
| 06/27/1989 | US4842395 Finder of variable magnification |
| 06/20/1989 | US4841326 Apparatus for detecting the focus adjusted state of an objective optical system |
| 06/20/1989 | US4841325 Automatic focusing device for camera |
| 06/14/1989 | CN2039433U Multiimage photographic unit |
| 06/14/1989 | CN1004515B Light sensor |
| 06/13/1989 | US4839685 Light receiving element for a rangefinder |
| 05/31/1989 | EP0317837A2 Common drive for shutter blades and objective lens assembly |
| 05/31/1989 | CN2038638U Device for taking 32 photoes with a 120 type camera |
| 05/31/1989 | CN2038637U Attachable lightmeter |
| 05/30/1989 | US4835561 Focus detecting device for camera |
| 05/30/1989 | US4834513 Albada type zoom finder |
| 05/24/1989 | EP0316341A1 Method and apparatus for reading data with ccd area arrays |
| 05/23/1989 | US4833497 Apparatus for adjusting focus in the macro-photographing mode of an automatic focus camera |
| 05/23/1989 | US4833494 Single lens reflex camera having replaceable view finder |
| 05/23/1989 | US4833313 Focus detecting apparatus having increased SNR by selectively varying or holding constant the number of signals from sensor arrays |
| 05/23/1989 | US4832470 Inverted galilean telescope type viewfinder system capable of changing over the magnification |
| 05/17/1989 | CN2037851U Multifunctional rule for x-ray examination |
| 05/17/1989 | CN2037850U Scene-compounding camera |