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