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)
09/1991
09/18/1991EP0446949A1 System for correcting an aberration in an optical system
09/17/1991US5048940 Projection lens for projector
09/11/1991EP0445513A1 Improved color TV projection lens system
09/10/1991USRE33689 Objective lens system for endoscopes
09/06/1991WO1991014338A1 Multisensor high-resolution camera
09/06/1991CA2077676A1 Multisensor high-resolution camera
09/04/1991EP0444603A2 Optical beam scanning system
09/03/1991US5044737 Double axial gradient lens and process for fabrication thereof
09/03/1991US5044706 Optical element employing aspherical and binary grating optical surfaces
08/1991
08/27/1991US5043566 Monitor mechanism for use with a scanning optical apparatus with composite drawing a monitoring beams
08/27/1991US5042929 Projection lens and projection system
08/27/1991US5042914 Lens focusing mechanism
08/20/1991US5040884 Reading lens system for use in scanner
08/20/1991US5040882 Unit magnification optical system with improved reflective reticle
08/14/1991EP0441350A2 Optical system for light beam scanning
08/14/1991EP0441206A1 Optical element employing aspherical and binary grating optical surfaces
08/13/1991US5039212 Zoom lens for variable magnification copying machine
08/13/1991US5039183 Holographic laser scanner
07/1991
07/30/1991US5035492 Compact and high-speed wide-angle zoom lens system
07/24/1991EP0437572A1 Double axial gradient lens and process for fabrication thereof
07/23/1991US5034763 Viewfinder optical system
07/23/1991US5033833 Omni-directional optical antenna element
07/16/1991US5032013 Zoom lens
07/16/1991US5031979 f θ Lens system in optical scanner
07/16/1991US5031977 Deep ultraviolet (UV) lens for use in a photolighography system
07/16/1991US5031976 Catadioptric imaging system
07/09/1991US5029994 Large-aperture quasi-telephoto lens system
07/09/1991US5029993 Lens system for projection television receivers
07/02/1991US5029010 Imaging system with optical low-pass filter
07/02/1991US5028967 Achromatic lens for ultraviolet rays
07/02/1991US5028103 Optical scanning apparatus
06/1991
06/26/1991EP0433953A2 F-theta lens and scanning optical system using the same
06/25/1991US5026149 Projection lens system
06/19/1991CN2079302U Camera lens for under deep water
06/18/1991US5025268 Optical scanning apparatus and asymmetrical aspheric scanning lens
06/18/1991US5024530 Multichannel telecentric filtered imager
06/18/1991US5024493 Compact infrared lens arrangement including at least three reflections
06/11/1991US5022724 Zoom system
06/05/1991EP0430339A2 A projection lens system
06/04/1991US5020889 Color-corrected optical systems
06/04/1991US5020888 Aspherical glass lens element suitable for a collimator lens
06/04/1991US5020887 Conformally doped optical elements
05/1991
05/29/1991EP0429243A2 Beam shaping system using diffraction
05/28/1991US5018845 Photographic system for stabilizing an image including two positive lens groups, each group including a positive lens and a negative lens
05/28/1991US5018807 Lens system for optical beam scanner
05/21/1991US5016994 Projection-lens system
05/21/1991US5016980 Systems for deviating and (optionally) converging radiation
05/18/1991CA2029805A1 Beam shaping system using diffraction
05/14/1991US5015079 Copying lens system
05/14/1991US5015078 Aspherical single lens
05/14/1991US5015077 Zoom lens system for use in a microfilm projection apparatus
05/14/1991US5015076 Projection lens for a projector
05/14/1991US5015050 Fθ lens system in optical scanner
05/14/1991CA1284046C Wobble correction by two reflections on a facet without bow
05/07/1991US5013143 Lens
05/07/1991US5013136 Method and apparatus for anamorphically shaping and achromatically deflecting electromagnetic beams
05/02/1991WO1991006028A1 F-υ lens
05/02/1991WO1991006019A1 Gradient index optical systems
05/02/1991EP0425126A2 Afocal telescope with automatic focus and temperature compensation
05/02/1991EP0424520A1 Method for fabricating a transparent polymer lens with modulated refraction index.
05/02/1991DE4033979A1 Sound image viewfinder for camera - uses multiple lenses of plastics materials to compensate for optical aberrations
04/1991
04/26/1991CA2026114A1 Afocal telescope with automatic focus and temperature compensation
04/25/1991DE4032051A1 Zoom lens system for camera - has fixed front group of lenses and rear group which is moved to focus object
04/24/1991EP0423409A1 Optical system
04/18/1991WO1991005270A1 Telecentric scanning for transparent storage phosphors
04/17/1991EP0422169A1 Optical system for imaging the light from light sources.
04/16/1991US5008743 Telecentric imaging system optical inspection machine using the same and method for correcting optical distortion produced thereby
04/16/1991US5007720 Lens system enabling close distance photographing
04/16/1991US5007719 Varifocal imaging optical system having moire eliminating function
04/09/1991US5005960 For endoscopes
04/09/1991US5005957 Objective lens system for endoscopes
04/09/1991US5005955 Keplerian zoom finder optical system
04/03/1991EP0420124A2 Optical unit for use in laser beam printer or the like
04/02/1991US5004331 Catadioptric projector, catadioptric projection system and process
04/02/1991US5004330 Aspherical glass lens element formed by a low dispersion glass material
04/02/1991US5004329 Vari-focal lens system
03/1991
03/28/1991DE3930736A1 Image pick=up arrangement - uses anamorphotic optical system forming rectangular image of square object via detector matrix
03/26/1991US5003300 Head mounted display for miniature video display system
03/26/1991US5002374 Finite conjugation large-aperture lens with aspherical surfaces
03/26/1991US5002372 Optical system for amphibious camera and a moving device using the same
03/21/1991WO1991003749A1 Holographic laser scanner
03/19/1991US5001510 Taking system for TV image
03/19/1991US5000552 Optical system for use in photographic devices
03/19/1991US5000549 Zoom lens for stabilizing the image
03/13/1991EP0416651A2 Apochromatic lens system
03/12/1991US4999005 Wide band color correcting infrared lens system
03/07/1991WO1991001012A3 Double axial gradient lens and process for fabrication thereof
02/1991
02/26/1991US4995710 Objective lens for optical disk
02/26/1991US4995707 Vari-focal lens system
02/19/1991US4993817 Endoscope relay optics
02/19/1991US4993816 Six-element
02/19/1991US4993792 Scanning optical system in which a ghost image is eliminated
02/13/1991EP0412314A2 Infrared imaging system with a device for compensating the temperature effect on the focussing.
02/12/1991US4991946 Gaussian-type
02/05/1991US4989962 Dual band/dual FOV infrared telescope
02/05/1991US4989961 Projection lens systems for use in projection television
02/05/1991US4989928 Compact infrared lens arrangement including at least three reflections
01/1991
01/30/1991EP0409825A1 Lens for receiving and/or transmitting infrared radiation
01/29/1991US4988176 Projection lens
01/24/1991WO1991001012A2 Double axial gradient lens and process for fabrication thereof
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