| Patents for G02B 13 - Optical objectives specially designed for the purposes specified below (20,651) |
|---|
| 04/15/1992 | EP0256051B1 Image processing device for controlling the transfer function of an optical system |
| 04/15/1992 | CN2101887U Photograph apparatus with view and picture combination |
| 04/14/1992 | US5105311 Zoom lens system having high zoom ratio ranging to wide field angle |
| 04/08/1992 | CN1060158A Telescop pickup and recording camera |
| 04/07/1992 | US5103342 Apochromatic lens system |
| 04/07/1992 | US5103341 Uv-capable dry lens for microscopes |
| 04/02/1992 | WO1992005462A2 Optical systems, telescopes and binoculars |
| 03/31/1992 | US5101299 Zoom lens system |
| 03/25/1992 | EP0476046A1 Stereoscopic viewing apparatus |
| 03/24/1992 | US5099361 Projection lens and projection television system using the same |
| 03/24/1992 | US5099358 Apparatus for recording image including an afocal optical system |
| 03/24/1992 | CA1297713C Scanning apparatus and support |
| 03/24/1992 | CA1297712C Scanning apparatus |
| 03/18/1992 | EP0475020A2 Field compensated lens |
| 03/17/1992 | US5097352 Optical system including liquid crystal devices |
| 03/10/1992 | US5095386 Optical system for generating lines of light using crossed cylindrical lenses |
| 03/10/1992 | US5095383 Optical unit for use in a laser beam printer or the like |
| 03/10/1992 | US5095326 Kepler-type erect image viewfinder and erecting prism |
| 03/03/1992 | US5093719 Endoscopic gradient index optical systems |
| 02/26/1992 | EP0472291A1 Method of producing lenses |
| 02/26/1992 | EP0471797A1 High definition, three-dimensional television |
| 02/25/1992 | US5091745 Full range platemaker optical system |
| 02/18/1992 | US5089913 High resolution reduction catadioptric relay lens |
| 02/18/1992 | US5089910 Infrared catadioptric zoom relay telescope with an asperic primary mirror |
| 02/11/1992 | US5087990 Collimator lens of erasable and re-recordable magneto-optical disk system |
| 02/11/1992 | US5087989 Objective optical system for endoscopes |
| 02/11/1992 | US5087988 Zoom lens |
| 02/11/1992 | US5087987 Color-corrected telecentric scan lens |
| 02/11/1992 | US5087983 Correcting deflecting surface irregularity |
| 02/11/1992 | US5087115 Aspherical glass lens element suitable for an object lens element of a disk device |
| 02/05/1992 | CN1058474A Lens design method and resulting aspheric |
| 02/04/1992 | US5086355 Focal length changeable lens system |
| 02/04/1992 | US5086350 Fθ lens |
| 01/30/1992 | DE4023192A1 Afokales optisches abbildungssystem Afocal optical system illustration |
| 01/29/1992 | EP0468370A2 Dye containing optical shaped article for crt |
| 01/28/1992 | US5084784 Copying lens system |
| 01/28/1992 | US5084723 Focus detecting device |
| 01/22/1992 | EP0467324A2 Lens for an optical disc recording and/or reproducing apparatus |
| 01/22/1992 | EP0467281A1 Anamorphic adaptor for a main lens |
| 01/22/1992 | EP0467240A1 Ultra-wideband achromatic lens |
| 01/21/1992 | WO1992001958A1 Afocal optical observing system |
| 01/21/1992 | US5083223 Objective lens system for endoscopes |
| 01/21/1992 | CA2066654A1 Afocal optic image system |
| 01/15/1992 | EP0465882A2 High resolution reduction catadioptric relay lens |
| 01/14/1992 | US5080473 Vari-focal lens system |
| 01/09/1992 | DE4109835A1 Apochromatic field lines collimator - comprises nine lenses and a max. of ten glass-air surfaces |
| 01/07/1992 | CA1293881C Electronic imaging apparatus and method |
| 12/27/1991 | EP0462750A2 Projection-type television display |
| 12/25/1991 | CN1015210B Wide vision field portable binoculars |
| 12/20/1991 | CA2044904A1 Projection-type television display |
| 12/18/1991 | EP0461856A1 Petzval objective lens system |
| 12/18/1991 | EP0461669A1 Structure of rod lens for endoscopes |
| 12/18/1991 | EP0461660A2 F-Theta lens and image forming apparatus using the same |
| 12/17/1991 | US5073017 Image deflecting device |
| 12/12/1991 | WO1991019377A1 Improvements in thermal imagers |
| 12/12/1991 | DE4030958C1 Wide angle objective lens with several partial groups - which have focal lengths, meeting specified formulae |
| 12/10/1991 | US5072126 Promixity alignment using polarized illumination and double conjugate projection lens |
| 12/10/1991 | US5071235 Small type variable focal length lens |
| 12/04/1991 | EP0459885A1 Compact multipurpose episcope |
| 12/04/1991 | EP0458788A1 Optical lenses and related devices |
| 12/03/1991 | US5069537 Image deflecting device |
| 12/03/1991 | US5069536 Zoom lens system |
| 12/02/1991 | CA2042419A1 Compact multiple-function periscope |
| 11/28/1991 | WO1991018312A1 Unit magnification optical system with improved reflective reticle |
| 11/26/1991 | US5067803 Photographic wide angle lens |
| 11/21/1991 | EP0457493A1 Zoom lens |
| 11/19/1991 | US5066113 Projecting lens |
| 11/19/1991 | CA2042132A1 Zoom lens |
| 11/14/1991 | DE4014837A1 Optical point scanning system for image original - uses rotatable deflector for scanning beam providing elliptical spot |
| 11/13/1991 | EP0456110A2 Device and method for optical scanning of a document |
| 11/12/1991 | US5064261 Fθ lens systems in optical scanner |
| 11/05/1991 | US5062679 fθ Lens system in optical scanner |
| 10/31/1991 | DE4013949A1 Catadioptric lens with mirror objective inclined at angle - has reflecting coating on forward face of biconvex lens towards cemented combination and two meniscus lenses |
| 10/30/1991 | EP0454090A1 Objective lens system for use within microscope |
| 10/30/1991 | EP0453822A1 Zoom beam expander |
| 10/29/1991 | US5061058 Opthalmic lens for use in the correction of astigmatism |
| 10/23/1991 | EP0453323A2 Optical pickup device |
| 10/23/1991 | EP0263165B1 Infrared afocal zoom telescope |
| 10/22/1991 | US5059009 Endoscope relay lens |
| 10/17/1991 | DE4009802A1 Polychromatic telescope lens arrangement - comprises four lens elements joined to each other by fluid medium |
| 10/16/1991 | EP0452203A1 Visualisation instrument comprising a bispectral objective with low dispersion in infrared region |
| 10/16/1991 | EP0452053A1 Endoscope relay lens |
| 10/16/1991 | EP0299964B1 Scanning apparatus |
| 10/15/1991 | US5056901 Wide-angle objective |
| 10/08/1991 | US5055922 Color tv projection lens system |
| 10/08/1991 | US5055663 Optical scanning system and method for adjusting thereof |
| 10/08/1991 | US5054899 Medium telephoto lens system |
| 10/08/1991 | US5054897 Plastic zoom lens |
| 10/02/1991 | EP0448668A1 F-theta lens |
| 10/01/1991 | US5053810 Reprographic lens system and a reprographic camera comprising such a system |
| 10/01/1991 | US5052787 Zoom finder |
| 10/01/1991 | US5052767 Optical beam scanning system |
| 10/01/1991 | US5052763 Optical system with two subsystems separately correcting odd aberrations and together correcting even aberrations |
| 09/25/1991 | EP0448123A1 Scanning optical device |
| 09/25/1991 | EP0448094A2 Objective lens system for use within microscope |
| 09/25/1991 | EP0447990A2 Objective lens system for use within microscope |
| 09/24/1991 | US5051770 Image processing device for controlling the transfer function of an optical system |
| 09/24/1991 | US5050981 Lens design method and resulting aspheric lens |
| 09/24/1991 | US5050973 Symmetrical lens system for use in copying machine |
| 09/24/1991 | US5050970 Lens system for use in optical information device |