Patents for G02B 13 - Optical objectives specially designed for the purposes specified below (20,651) |
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01/31/1989 | US4801196 Wide angle projection lens |
01/31/1989 | US4801183 Infra-red optical systems |
01/26/1989 | WO1989000710A1 Spectacle lens with astigmatic effect |
01/25/1989 | EP0300415A1 Spectacle lens having an astigmatic effect |
01/25/1989 | EP0299964A1 Scanning apparatus. |
01/25/1989 | CN2031534U Camera special attached lens for taking cartoon |
01/24/1989 | US4799747 Tilt error corrective scanning optical system |
01/18/1989 | EP0299475A2 Optical system for effecting increased irradiance in peripheral area of object |
01/18/1989 | EP0299474A2 Telecentric image-forming optical system for large image size |
01/18/1989 | CN1030483A Composite process video and motion picture photography system and method |
01/11/1989 | EP0298119A1 Coma-control plate in relay lens. |
01/10/1989 | US4796963 Scanning apparatus using a rotary polygon mirror |
01/04/1989 | EP0297361A2 Telecentric image-forming system having variable magnifications |
01/03/1989 | CA1247906A1 Color-corrected optical systems |
01/03/1989 | CA1247898A1 Scanner optics with no cross scan field curvature |
12/27/1988 | US4793698 Telephoto lens system |
12/21/1988 | EP0295728A1 Picture pick-up and display system and picture pick-up device suitable for said system |
12/20/1988 | US4792695 Contact-free measuring apparatus having an F-theta-corrected, catadioptric objective and method for using the same |
12/20/1988 | US4792219 Large aperture long focus macro lens system |
12/20/1988 | US4792218 Projection lens for high definition TV |
12/20/1988 | US4792217 Projection lens system |
12/20/1988 | US4792216 Photographic lens system |
12/20/1988 | US4792215 Zoom lens |
12/13/1988 | US4790642 Integrated metrology for microlithographic objective reducing lens |
12/13/1988 | US4790638 Lens system for projecting images of microfilm |
12/13/1988 | US4790637 Color-corrected catadioptric systems |
12/07/1988 | EP0294005A1 Varifocal optical system and associated electromechanical control means |
12/06/1988 | US4789230 f-θ Lens for use in a light beam scanning device |
12/06/1988 | CA1245892A1 Holographic scanning system utilizing a scan linearization lens |
11/30/1988 | EP0292764A2 Wide angle sight glass |
11/30/1988 | CN88201908U Picture display device |
11/29/1988 | US4787724 Triplet type objective with a diaphragm arranged behind the lens system |
11/29/1988 | US4787723 Ultra-wide angle F-θ lens system |
11/29/1988 | US4787721 Photographic lens system |
11/23/1988 | EP0292111A1 Optical device for panoramic viewing |
11/22/1988 | US4786152 Telephoto lens system |
11/22/1988 | US4786151 Scanning lens system for a light beam scanning device |
11/22/1988 | US4786150 Zoom lens with beam splitter |
11/03/1988 | WO1988008549A1 Composite process video and motion picture photography system and method |
11/02/1988 | EP0288970A2 Optical system for flyingspot scanning system |
11/01/1988 | US4781449 Wide angle reading lens system |
11/01/1988 | US4781445 Optical device having positionally changeable optical surfaces and a method of varying an image forming position |
10/18/1988 | US4778264 Refraction-type projection lens |
10/12/1988 | EP0286066A2 Optical scanning apparatus |
10/11/1988 | US4776682 Projection lens system with variable air space |
10/11/1988 | US4776681 Projection lens |
10/05/1988 | EP0285097A2 Apparatus for recording information with light beam |
10/04/1988 | US4775228 Zoom lens |
10/04/1988 | US4775217 Night vision viewing system |
09/28/1988 | EP0284414A2 Exposure apparatus |
09/28/1988 | EP0140923B1 Multifocal objective |
09/27/1988 | US4773746 Reading lens system |
09/27/1988 | US4773745 Compact wide-angle objective |
09/27/1988 | CA1242342A1 In-line optical anamorphic beam expander/contractor |
09/22/1988 | WO1988007218A1 Relay lens system |
09/20/1988 | US4772108 Macro lens system |
09/20/1988 | US4772107 Wide angle lens with improved flat field characteristics |
09/20/1988 | US4772106 Compact zoom lens system |
09/20/1988 | US4772105 Graded refractive index lens system |
09/14/1988 | EP0281750A2 Optical scanning device with telecentric line camera |
09/13/1988 | US4770517 Two-lens fθ lens |
09/13/1988 | US4770516 Telephoto lens system capable of closeup shooting |
09/13/1988 | US4770513 Projection lens |
09/13/1988 | US4770512 Large aperture ratio wide-angle photographic lens system |
09/13/1988 | US4770508 Conversion lens releasably attached behind master lens |
09/13/1988 | US4770477 Lens usable in the ultraviolet |
09/07/1988 | WO1988006744A1 Device for deflecting a beam of rays |
09/06/1988 | US4768875 Arrangement for making contactless section-like measurements of the form of curved optically effective surfaces |
09/06/1988 | US4768874 Scanning optical apparatus and method |
09/06/1988 | US4768867 Aspherical single lens |
08/30/1988 | US4767202 Objective lens system for optical recording type disks |
08/30/1988 | US4767201 Wide angle lens |
08/30/1988 | US4767199 Projection lens |
08/30/1988 | CA1241375A1 Weighted random pattern testing apparatus and method |
08/30/1988 | CA1241221A1 Projection lens system |
08/23/1988 | US4766498 Image projection system |
08/23/1988 | US4765727 Color-corrected lens systems |
08/23/1988 | US4765725 Imaging single lens |
08/23/1988 | US4765723 Objective lens system for optical reading device |
08/17/1988 | EP0278777A2 Dual magnification infra-red telescope |
08/16/1988 | US4764001 Retrofocus-type objective for an endoscope |
08/16/1988 | US4764000 Telephoto lens system with three relatively shiftable lens groups |
08/16/1988 | US4763997 Viewfinder optical system of inverted Galilean type with great magnification |
08/09/1988 | US4762404 Color-corrected lens systems |
08/09/1988 | US4762403 Imaging optical system having a distributed index lens |
08/04/1988 | DE3249662C2 Scanning lens |
08/03/1988 | EP0276896A2 Optical information recording/reproducing apparatus |
08/03/1988 | EP0276865A2 Lens system for a copier |
08/02/1988 | US4761064 Color-corrected lens systems |
08/02/1988 | US4761063 Projection lens system |
07/28/1988 | WO1988005553A1 Coma-control plate in relay lens |
07/27/1988 | EP0275673A1 Optical communication systems |
07/26/1988 | US4759619 Inverted telephoto type wide angle lens system with a rear focusing unit |
07/26/1988 | US4759616 Method and apparatus for anamorphically shaping and deflecting electromagnetic beams |
07/19/1988 | US4758074 Video projector lens system |
07/19/1988 | US4758073 Zoom lens |
07/19/1988 | US4758072 Gas zoom lens assembly |
07/19/1988 | US4758059 Post-objective type optical deflector |
07/12/1988 | US4756972 Support with radiation cured lacquer comprising aromatic diacrylate compound |
07/12/1988 | US4756584 Scanning optical system with irregular deflecting surface correction |