Patents for G03B 3 - Focusing arrangements of general interest for cameras, projectors or printers (2,388)
10/1989
10/31/1989US4878080 Camera zoom lens automatic magnification apparatus
10/25/1989EP0338053A1 Focus detection system for use in optical measuring systems
09/1989
09/26/1989US4870442 Auxiliary light projecting apparatus for a focus detecting system
09/26/1989US4870436 Close-up photographing device
09/26/1989CA1261460A1 Method of and apparatus for displaying alphanumeric range in camera viewfinder
09/26/1989CA1260740A1 Motion picture camera automatic focusing system
09/20/1989EP0333638A2 Macro-lens
09/19/1989US4868596 Motor driven shutter for camera
09/12/1989US4866468 Control device for driving zoom lens of a camera
09/05/1989US4864344 Power focus device in a camera
09/05/1989US4864337 Apparatus for driving a moving mirror cylinder of a camera
08/1989
08/29/1989US4862208 Information transmitting device for camera
08/29/1989US4862203 Lens driving and shutter opening and closing device for a camera
08/23/1989EP0329121A1 Control element for the remote control of cameras and related apparatuses
08/22/1989US4860040 Camera
08/15/1989US4857951 Output device for range information for use in an interchangeable lens
08/15/1989US4857947 Position controlling device in a lens driving apparatus for camera
08/08/1989USRE33016 Protective device for automatic focusing camera
07/1989
07/27/1989WO1989006823A1 Camera with flash responsive focus system
07/19/1989EP0324423A2 Electromagnetic control device for cameras
07/11/1989US4847648 For changing a focal distance
05/1989
05/16/1989US4831402 Camera with changeable focal length
05/16/1989US4831396 Objective for photographic cameras
05/09/1989US4829171 Automatic camera focusing apparatus with movable position sensitive detector
05/09/1989US4828360 Drive motor for camera lens assembly
05/05/1989WO1989004007A1 Focus detection system for use in optical measuring systems
05/02/1989US4827296 Single-lens reflex camera
04/1989
04/25/1989US4825240 Camera
04/25/1989US4825239 Distance detection method and apparatus
04/11/1989US4821058 Camera with flash responsive focus system
03/1989
03/14/1989US4812727 Stepping motor drive device
03/14/1989US4812636 Automatic focal point control apparatus with correction of sequential defocus signals dependent on object contrast
02/1989
02/14/1989CA1249942A1 Camera for recording television, photographic or cinematographic images, comprising an automatic focusing device
02/07/1989US4803506 Electromagnetic control device for cameras
01/1989
01/03/1989US4796045 Photo-taking lens assembly having an automatically and manually movable lens
12/1988
12/20/1988US4792822 Camera with changeable focal length
12/06/1988US4789875 Variable focus camera
11/1988
11/15/1988US4785320 Camera lens focusing aid
11/15/1988US4785210 Linear motor
10/1988
10/26/1988EP0287648A1 Ray scanning system.
10/18/1988US4779114 Shutter driving mechanism
10/11/1988US4777504 Camera with an automatic focusing device
09/1988
09/27/1988US4774540 Camera system capable of automatic focus control
09/20/1988US4772912 Temperature compensation device for focus detecting device
09/13/1988US4771308 Auxiliary light projecting apparatus for a focus detecting system
08/1988
08/30/1988US4768051 Electric driving device
08/16/1988US4764786 Distance measuring device for camera
07/1988
07/12/1988US4757340 Focusing apparatus for camera
06/1988
06/28/1988US4754296 Method of and apparatus for displaying alphanumeric range in camera viewfinder
05/1988
05/05/1988WO1988003309A1 Ray scanning system
05/04/1988EP0265934A1 Camera
04/1988
04/26/1988US4740676 Range finding automatic focusing system employing a rotatable transparent plate and a half-split light receiving element
04/05/1988US4735494 Zoom lens control system and method for zooming control
03/1988
03/29/1988US4734726 Apparatus for moving a lens
03/22/1988US4733262 Camera system capable of automatic focus control
03/22/1988US4733261 Automatic focusing camera
03/15/1988US4731629 Control device for exposure-with-zooming photography
03/08/1988US4730201 Automatic focus adjustment apparatus
02/1988
02/23/1988US4727389 Automatic focus and exposure controlled camera
02/02/1988US4723142 Focus detecting device
02/02/1988US4723073 Light emission quantity control device for focus detection
01/1988
01/26/1988US4721975 Focus detecting device
01/19/1988US4720724 Method and apparatus for automatic range finding
01/19/1988US4720723 Distance measuring device
01/12/1988US4719486 Focus detecting apparatus for camera
01/05/1988US4717959 Automatic focusing device for video camera or the like
01/05/1988US4717933 Exchangeable lens for use in a focus detecting device
01/05/1988US4717819 Focus detecting device
12/1987
12/29/1987US4716284 Photographic optical system having enhanced spectral transmittance characteristics
12/29/1987US4716282 Focus state detection method and apparatus with selective statistical processing
12/15/1987US4712901 Sharp focus detecting device
12/08/1987US4711528 Drive coupling device for optical instruments
12/02/1987CN87100636A Side installed monitoring camera
12/01/1987US4710013 Automatic focusing mechanism for camera
11/1987
11/10/1987US4706124 Focus detecting device which varies between a varying state and a fixed state
10/1987
10/27/1987US4702583 Drive device for lens barrel and diaphragm shutter
10/21/1987CN87100868A Releasing device for auto-camera schutter
10/06/1987US4698492 Focus detector system with a distortion compensation mask
10/06/1987US4697904 Automatic focusing system
09/1987
09/29/1987US4696559 Variable focal length, automatic focusing camera with a single motor
09/24/1987DE3706726A1 Camera
09/23/1987EP0238111A1 Camera for recording television, photographic or cinematographic images, including an automatic focus-setting device
09/15/1987US4694151 Autofocusing zoom lens system with beam splitter prism for single lens reflex cameras
09/08/1987US4692012 Automatic focus adjustment apparatus
08/1987
08/25/1987US4688920 Focus state detecting system
08/25/1987US4688919 Automatic focusing camera
08/18/1987US4687314 Shutter release mechanism for automatic cameras
08/04/1987US4684232 Method and apparatus for controlling operation of camera
07/1987
07/21/1987US4681420 Light measuring device
06/1987
06/30/1987US4676623 Solid-state imaging device
06/23/1987US4674855 Signal processing apparatus for photoelectric converting element array
06/17/1987CN86205340U Camera accessory and corresponding film
06/16/1987US4673806 Automatic focus adjusting device
06/16/1987US4673274 Automatic focusing apparatus for camera
06/03/1987EP0224336A2 Method and system for use with photographic apparatus
06/02/1987US4670645 Focus detecting device with shading reduction optical filter
05/1987
05/26/1987US4668991 Autofocus television camera with means for reading and comparing partial images to derive a focus indication
04/1987
04/28/1987US4660954 Automatic focusing device equipped with close-up range focal control
04/28/1987US4660933 Lens driving device
03/1987
03/24/1987US4652107 Distance measuring device
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