Patents for G03B 3 - Focusing arrangements of general interest for cameras, projectors or printers (2,388)
03/1987
03/17/1987US4650988 Image reading apparatus with an area-type beam splitter
03/17/1987US4650309 Temperature compensation device for focus detecting device
03/10/1987US4648700 Distance detecting device for a camera
02/1987
02/17/1987US4643557 Exposure control apparatus
01/1987
01/27/1987US4639588 Automatic focusing device with range boundary setting
01/27/1987US4639083 Lens mounting
01/20/1987US4637705 Automatic focusing camera
01/17/1987CN85101136A Motor driven focal length changing device for a camera
01/13/1987US4636053 Distance detecting device
01/13/1987US4636051 Automatic focussing device
01/06/1987US4634255 Focus detection apparatus
01/06/1987US4634254 Electromagnetically actuated shutter for a camera
12/1986
12/30/1986US4633073 Data correcting device in an automatic focus detecting system
12/30/1986US4632532 Focus detecting apparatus
12/09/1986US4627700 Focus detecting and indicating device for camera
12/02/1986US4626674 Focus detecting method and apparatus
11/1986
11/18/1986US4623238 Camera system capable of automatic focus control
11/18/1986CA1214059A1 Automatic focussing camera with automatic aperture setting
11/12/1986EP0201036A2 Automatic focusing apparatus
11/11/1986US4621917 Automatic focusing adjustment device
11/04/1986US4621191 Self-scanning type photoelectric conversion element drive device responsive to different detected light intensities for focus detection
10/1986
10/21/1986US4618236 Focus detecting apparatus
10/21/1986US4618235 Focus detecting device for a camera
09/1986
09/09/1986US4611244 Auto-focus system for video camera
08/1986
08/26/1986US4608490 Focus detection method utilizing surface acoustic wave
08/26/1986US4607924 Video projector focus adjustment mechanism
08/13/1986CN85100535A Telecamera with automatic focussing controlled by microprocessor
07/1986
07/29/1986US4602860 Camera focusing means
07/23/1986CN85109454A Auto-focusing method used in optical lens of television camera
07/22/1986US4601563 Motor driven focal length changing device for a camera
07/22/1986US4601557 Motion picture camera automatic focusing system
07/01/1986US4597659 In-focus state display device for camera
06/1986
06/17/1986US4595401 Pleated paper filter in form of frustrum of cone
06/17/1986US4595271 In-focus state detection device
06/10/1986US4593988 Focus condition indicating device of an auto-focus system
05/1986
05/28/1986EP0182395A1 Camera for recording television, photographic or cinematographic images, comprising an automatic focusing device
05/27/1986US4591256 Beam splitter and light measuring device for camera
05/20/1986US4589753 Lens mounting having a reversible motor for controlling focusing and aperture setting of a camera
05/13/1986US4588278 Lens driving device of an auto-focus system
05/06/1986US4587416 Focus detecting apparatus for microscope or camera
04/1986
04/23/1986EP0178339A1 Motion picture camera automatic focusing system
04/15/1986US4582411 Automatic focusing apparatus
04/01/1986US4580043 Apparatus for detecting focus condition of imaging lens having a circular detecting array
03/1986
03/26/1986EP0175580A2 Automatic focusing apparatus for camera
03/25/1986US4578783 Ultrasonic distance measuring apparatus
03/18/1986US4576460 Photographing lens position device in automatic focusing camera
03/11/1986US4575210 Automatic focusing device
02/1986
02/25/1986US4572642 Automatic focusing device
02/25/1986US4572640 Photographing operation control device for camera
02/18/1986US4571047 TTL Focus detecting device for single-lens reflex camera
02/04/1986US4568168 Focus detecting system
01/1986
01/14/1986US4564277 Apparatus for a photographic camera with lens and film carriers which can be reset in relation to one another
01/07/1986US4563705 Automatic focus controlling apparatus and method
12/1985
12/31/1985US4562345 Method and apparatus for detecting focus conditions of a photographic optical system
12/31/1985US4561750 In-focus state detection device
12/24/1985US4560266 Camera
12/10/1985US4557573 Photosensor arrangement for encoding lens and shutter blade position
12/04/1985EP0163394A2 An automatic focussing device
11/1985
11/26/1985US4555653 Pulse motor driving apparatus
11/12/1985US4552445 Focus condition detecting device for cameras
11/05/1985US4550995 Automatic focus adjusting device
11/05/1985US4550993 Device for providing a camera system with an information for a focus adjustment
10/1985
10/29/1985US4549801 Automatic focussing camera with automatic aperture setting
10/29/1985US4549799 Focus adjusting mechanism for a camera
10/15/1985US4547663 Focus detecting apparatus with a compensation mask
09/1985
09/24/1985CA1194195A1 Device for detecting radiation and semiconductor device for use in such a device
09/10/1985US4540264 Photographing lens focusing device
09/03/1985US4538892 Automatic focus control system
08/1985
08/27/1985US4537489 Automatic focusing device
08/27/1985US4537488 Camera system
08/21/1985EP0060251B1 Photographic camera
08/20/1985US4536070 Device for adjusting the focusing detecting mechanism of a single-lens reflex camera
08/13/1985US4534629 Motion picture camera automatic focusing system
07/1985
07/16/1985US4529287 Focus condition detection device for cameras
07/09/1985US4527888 Exposure control system for photographic camera apparatus
07/02/1985US4526458 Focus condition detecting device for cameras
06/1985
06/25/1985US4525053 Motor-drivable photographing lens assembly
05/1985
05/21/1985US4518242 Automatic focus adjusting device
04/1985
04/09/1985US4510384 Automatic focusing device with frequency weighted amplification
04/09/1985US4509842 Camera system capable of focus detection through an interchangeable objective lens
04/09/1985US4509840 Lens drive for auto focus camera
04/02/1985US4508963 Detector mismatch correction apparatus
04/02/1985US4508442 Electromagnetically driven shutter camera having automatic focusing device
03/1985
03/26/1985US4506968 Photographic camera and interchangeable lens for use therewith
03/26/1985US4506966 Shutter release device for autofocusing camera
03/26/1985US4506959 Zoom lens assembly with switching mechanism from or to zooming photographing to or from macro photographing
03/19/1985US4505567 Electromagnetically driven shutter with focus adjusting function
03/12/1985US4504135 Automatic focusing device
03/12/1985US4504132 Multifunction electromagnetic actuator and camera control apparatus emloying same
02/1985
02/26/1985CA1183247A2 Active auto focus system improvement
02/19/1985US4500188 Focusing device for a camera
02/19/1985US4500187 For a camera
02/19/1985CA1182910A1 Optical device for controlling a light beam
01/1985
01/29/1985US4496832 Focusing state discriminating system
01/29/1985US4496229 Apparatus for transmitting information signals in a camera
01/01/1985US4491402 Method of focus detection
12/1984
12/25/1984US4490814 Sonic autofocus camera having variable sonic beamwidth
12/25/1984US4490031 Device for adjusting movement of photographic lens and field of viewfinder
11/1984
11/20/1984US4484080 Shape detecting device
11/13/1984US4482235 Automatic focusing device for camera
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