Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 13 - Optical objectives specially designed for the purposes specified below
Patents for G02B 13 - Optical objectives specially designed for the purposes specified below (20,651)
07/1984
07/03/1984US4457592 Optical system utilizing a transversely movable plate for focusing
07/03/1984US4457590 Spherical gradient-index lens designs for video-disk pickup lens or the like
06/1984
06/26/1984US4456345 Thin type photographic lens system
06/12/1984US4453800 Selectable field-of-view infrared lens
06/05/1984US4453178 Projection television apparatus
06/05/1984US4452512 Wide angle zoom lens system
05/1984
05/30/1984EP0063157B1 Optical system for obtaining two anamorphotic images correlated at an inter-ocular distance
05/24/1984WO1984002008A1 Improvement to optical devices for the printing of blanks intended to be stamped
05/22/1984US4449793 Inverted telephoto type wide angle lens system
05/22/1984US4449792 Large-aperture single lens with aspherical surfaces
05/15/1984US4448504 Rear end projection system employing aspherical lenses
05/15/1984US4448499 Image transmitter for copying apparatus of slit exposure scanning type
05/15/1984US4448497 Great aperture ratio lens
05/15/1984US4448495 Zoom lens system capable of very close range photography
05/10/1984WO1984001703A1 Lens for indirect ophthalmoscopy
05/09/1984EP0107893A2 Retro-focus type wide angle lens
05/09/1984EP0059193B1 An optical system for projection
05/08/1984US4447138 Objective system for video disc
05/08/1984US4447137 Large-aperture telephoto lens
05/08/1984US4447135 Zoom lens system
05/08/1984US4447112 Scanning optical system having a tilting correcting function
04/1984
04/25/1984EP0106471A2 A method of selecting optical materials
04/24/1984US4444472 Lens system having color separation optics
04/18/1984EP0105467A1 Synthetic resin lens system
04/17/1984US4443070 Camera lens system with long back focal distance and large aperture ratio
04/17/1984US4443069 Compact camera lens system with a short overall length
04/17/1984US4443068 Reflecting telephoto zoom lens system
04/17/1984US4443067 Zone focusing optical system
04/17/1984US4443055 Scanning optical system having a tilting correcting function
04/10/1984US4441792 Telecentric projection lenses
03/1984
03/21/1984EP0103301A2 Wide-angle optical device
03/20/1984US4437735 Inverted telephoto type wide angle objective of large relative aperture
03/20/1984US4437734 Lenses capable of close-up photography
03/13/1984US4436383 F-θ lens system
03/13/1984US4436382 Retrofocus type super wide angle lens system
03/06/1984US4435049 Telephoto lens system
02/1984
02/21/1984US4432596 Infra-red optical systems
02/15/1984EP0100407A1 Low dispersion infrared glass
02/14/1984US4431275 Optical recording and read-out lens system for optical recording type disks
02/14/1984US4431274 Macrolens
02/14/1984US4431273 Inverted telephoto type wide angle lens system
02/07/1984US4429958 Relatively wide angle telephoto type lens system
02/07/1984US4429957 Panoramic zoom lens assembly
01/1984
01/24/1984US4427259 Selectable field-of-view infrared lens
01/17/1984US4426696 Optical playback apparatus focusing system for producing a prescribed energy distribution along an axial focal zone
01/17/1984US4426137 Gauss type photographic lens
01/17/1984US4426136 Projection lens with long working distance
01/17/1984US4426135 Lens attchment for forming wide-ranging images
01/03/1984US4424589 Flat bed scanner system and method
12/1983
12/27/1983CA1159289A1 Reflection rejection spherical optical train composed of tipped lens elements having cylindrical components
12/20/1983US4421390 Bright wide-angle lens for compact color video cameras
11/1983
11/22/1983US4416519 Objective for video disks
11/22/1983US4416518 Objective comprising aspherical surfaces, whose focal length is variable over a wide range
11/15/1983US4415241 Tessor type lens systems for facsimile
11/15/1983US4415239 Reflection rejection spherical optical train composed of tipped lens elements
11/15/1983US4415238 Single lens having one spherical and one aspherical refractive surface
11/08/1983US4413888 Compact photographic objective
11/01/1983US4412726 Fish eye lens system
11/01/1983US4412725 Rear stop diaphragm zoom lens
10/1983
10/25/1983US4411488 Afocal zoom refractor telescopes
10/19/1983EP0091431A1 Die forming method and machine
10/11/1983US4408841 Variable power lens system for copying
09/1983
09/27/1983US4406523 Compact wide-angle zoom lens
09/14/1983EP0088671A1 Optical head in a write-read device for an information carrier
09/13/1983US4403837 Objective for endoscopes
09/13/1983US4403836 Cata-dioptric type telephoto lens system
09/07/1983EP0088001A1 Objective, especially for cameras for terrestrial or subaqueous surveillance
09/06/1983US4402572 Projection device
08/1983
08/30/1983US4401362 f-θ Lens system
08/30/1983CA1152789A1 Infrared condensing lenses
08/23/1983US4400065 Multi-purpose telescope
08/23/1983US4400064 Zoom lens
08/23/1983US4400063 F(θ) Lens system of four-group construction
08/16/1983US4398786 Collimation lens system
08/10/1983EP0085473A1 Graded-index lens
08/09/1983US4397527 Apparatus for use in correcting beam anamorphicity by vector diffraction
08/09/1983US4397520 Afocal refractor telescopes
08/09/1983EP0078323A4 Apparatus for projecting a series of images onto dies of a semiconductor wafer.
08/02/1983US4396256 Large aperture ratio, long focus lens
08/02/1983US4396255 Standard photographic lens system
08/02/1983US4396254 f·θ Lens
07/1983
07/26/1983US4395094 Large aperture ratio photographic lens with means for correcting aberrations
07/26/1983US4395093 Lens system for panoramic imagery
07/26/1983CA1150544A1 Objective comprising aspherical surfaces, whose focal length is variable over a wide range
07/19/1983US4394073 Compact wide angle lens
06/1983
06/28/1983US4390253 Pitch and roll motion optical system for wide angle display
06/28/1983US4390252 Gauss type photographic lens
06/28/1983US4390248 Wide angle zoom lens
06/28/1983US4390235 Multibeam scanning apparatus provided with a function of changing magnification
06/22/1983EP0081915A1 An objective lens for the reproduction of video discs or the like
06/21/1983US4389100 Objective system for video disc
06/14/1983US4387970 Projection lens assembly
06/14/1983US4387967 Optical system for use in single lens reflex cameras
06/14/1983CA1147999A1 Gas zoom lens
05/1983
05/31/1983US4385809 Copying lens
05/24/1983US4384766 Optical system for copying
05/17/1983US4383727 Infra-red optical systems
05/11/1983EP0078323A1 Apparatus for projecting a series of images onto dies of a semiconductor wafer.
05/10/1983US4382662 Inverted telephoto type wide angle lens system
05/03/1983US4381888 Retrofocus type large aperture wide angle objective
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