| Patents for G02B 3 - Simple or compound lenses (21,564) |
|---|
| 02/27/1990 | US4904062 Collimating lens for use in optical memories |
| 02/22/1990 | WO1990001805A1 Lens arrays for light sensitive devices |
| 02/22/1990 | DE3827834A1 Fresnel lens |
| 02/21/1990 | EP0354961A1 Integrally-pressed collimator |
| 02/21/1990 | EP0354927A1 Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry, and fabrication thereof |
| 02/20/1990 | US4902330 Method of producing gradient-index lens |
| 02/20/1990 | US4902089 Solar ray-collecting device |
| 02/14/1990 | EP0354851A2 Technique of stereoscopic image display |
| 02/14/1990 | EP0354672A2 Light-collimating film |
| 02/13/1990 | US4900914 Wide-angle viewing window with a plurality of optical structures |
| 02/13/1990 | US4900138 Composite gradient index and curved surface anamorphic lens and applications |
| 02/13/1990 | US4900129 Dual grooved Fresnel lens for overhead projection |
| 01/30/1990 | US4896953 Anamorphic wide angle safety lens |
| 01/30/1990 | CA1265183A1 Cathode ray tube apparatus with coolant expansion chamber |
| 01/23/1990 | US4895790 Masking, alignment |
| 01/23/1990 | US4895585 Method of manufacturing lens elements |
| 01/23/1990 | US4895433 Visual field converting optical system |
| 01/16/1990 | US4893612 Radiant energy collector |
| 01/11/1990 | WO1990000026A1 Device for producing an image of an object |
| 01/09/1990 | US4892396 Variable-focus optical device |
| 01/09/1990 | US4892395 Collimating optical system using a spherical lens |
| 01/09/1990 | US4892375 Fiber-type light conversion device |
| 01/03/1990 | EP0349109A1 Display device |
| 01/02/1990 | US4891053 Two part holder of coaxial metal rings |
| 01/02/1990 | US4890914 Hybrid lens apparatus used for shearographic analysis |
| 01/02/1990 | US4890905 Replica lens and method of manufacturing same |
| 01/02/1990 | US4890903 Suspension system for a flexible optical membrane |
| 12/12/1989 | US4887255 Integrated optical head |
| 12/06/1989 | CN2048982U Ultrathin optical lens |
| 12/05/1989 | US4885350 Method of producing polymer particles having narrow particle size distribution |
| 12/05/1989 | US4885055 Layered devices having surface curvature and method of constructing same |
| 12/05/1989 | US4884870 Lens structure for a vehicle radio or the like |
| 12/05/1989 | US4884869 Fly's eye lens unit for illumination system |
| 12/05/1989 | CA1263747A1 Optical scanning unit with a translational- position and angular-position detection system |
| 11/28/1989 | US4883522 Fabrication of macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry |
| 11/28/1989 | US4883345 Projection optical apparatus |
| 11/28/1989 | US4883341 Non-reflective graphic surface |
| 11/21/1989 | US4882594 Method for making a smooth, uniform image of a laser diode array |
| 11/21/1989 | US4882262 Self-aligning aperture |
| 11/14/1989 | US4880298 Microscope objective |
| 11/09/1989 | DE3900157A1 Focusing screen and method for producing a microstructure arrangement for use with said focusing screen |
| 11/02/1989 | EP0340091A1 Monofocal ophthalmic lens with index gradient and without geometrical power |
| 11/02/1989 | EP0340090A1 Method for minimising the maximum thickness of monofocal ophthalmic lenses and ophthalmic lens with refractive index gradient obtained by application of this method |
| 10/24/1989 | US4875756 Fresnel lens apparatus for optically coupling a plurality of data channels |
| 10/17/1989 | US4875064 Projector apparatus with mirror means |
| 10/17/1989 | US4874230 Zoom lens with a variable power lens element |
| 10/17/1989 | CA1262310A1 Indirect ophthalmoscopy lens for use with slit lamp biomicroscope |
| 10/12/1989 | DE3809836A1 Modification of mould materials for pressing glass |
| 10/10/1989 | US4872743 Varifocal optical element |
| 10/05/1989 | WO1989009424A1 Collimator |
| 10/05/1989 | DE3809969A1 Process for producing a lens |
| 10/04/1989 | EP0335282A2 Three-dimensional photographing and three-dimensional playback device by spatial time-sharing method |
| 10/04/1989 | EP0334856A1 Retroreflecting means |
| 10/03/1989 | US4871242 Soft-focus optical element |
| 10/03/1989 | US4871233 Thin plate prism and stereoscopic system |
| 09/27/1989 | EP0334820A2 Self-focusing optical system for spectrophotometric measurements and the like, with optical fiber sensors |
| 09/26/1989 | US4869580 Immersion cartesian ovoid lens |
| 09/21/1989 | DE3906761A1 Security-sensor system (safety-sensor system) |
| 09/19/1989 | US4868391 Infrared lens arrays |
| 09/19/1989 | US4867521 Microlens manufacture |
| 09/19/1989 | US4867514 Systems for deviating and (optionally) converging radiation |
| 09/19/1989 | US4867371 Fabrication of optical devices |
| 09/13/1989 | CN1035564A Multifocus double refraction lens system |
| 09/12/1989 | US4866459 Image scanner with a non-spherical fθ lens system |
| 09/12/1989 | US4865426 Variable aberration imaging optical system |
| 09/12/1989 | US4865419 Instrument panel magnification system |
| 09/08/1989 | WO1989008304A1 A sign readable at speed |
| 09/05/1989 | US4864137 Optical sensing system |
| 09/05/1989 | US4863248 Single collimator lens |
| 09/05/1989 | US4862646 Apparatus and method for production of single element toric lenses of very small proportions |
| 08/29/1989 | US4861140 Method of making a thin lens |
| 08/29/1989 | CA1258756A1 Process and apparatus for casting lenses |
| 08/23/1989 | EP0328930A2 Zoom lens |
| 08/22/1989 | US4859041 Variable focus optical device |
| 08/22/1989 | US4859040 Optical system having gradient-index lens and method for correcting aberrations |
| 08/15/1989 | US4857718 Focus detecting device |
| 08/10/1989 | WO1989007280A1 Integrally-pressed collimator |
| 08/08/1989 | US4855877 Combination lamp assembly of monochromatic appearance capable of glowing in different colors |
| 08/01/1989 | US4852982 Resolution; acrylic resin and fluorinated alkyl acrylate |
| 08/01/1989 | US4852981 Imaging lens system comprising a distributed index lens and a plano-convex lens |
| 08/01/1989 | US4852980 Optical system |
| 08/01/1989 | US4852508 Underwater window for vessels |
| 07/27/1989 | WO1989006596A1 Method of making a thin lens |
| 07/25/1989 | US4851024 Process for producing optical glass |
| 07/25/1989 | US4851023 Method for manufacturing aluminosilicate optical glass |
| 07/18/1989 | USRE32988 Single collimator lens having one aspherical surface |
| 07/18/1989 | US4848882 Gradient index lens |
| 07/11/1989 | US4847734 Light emitting element array |
| 07/05/1989 | CN2040649U One axle cross embolus mirror |
| 07/04/1989 | US4844724 Method of adjusting refractive index distribution lenses |
| 07/04/1989 | US4844598 Light focusing lens with centrally disposed light intercepting member |
| 07/04/1989 | US4844594 Replica lens having a glass lens body |
| 07/04/1989 | US4844589 Lenses having plural contiguous refractive index distribution substrates and method of manufacture |
| 06/28/1989 | EP0322353A2 Method and apparatus for producing optical element |
| 06/27/1989 | US4842629 Method for producing buried regions of raised refractive index in a glass member by ion exchange |
| 06/27/1989 | US4842388 Single optical lense with diffraction limit converging capability and wide field angle |
| 06/20/1989 | US4841326 Apparatus for detecting the focus adjusted state of an objective optical system |
| 06/20/1989 | US4840473 Optical device |
| 06/14/1989 | EP0320090A2 Shaping silicon semiconductor wafers |
| 06/13/1989 | US4838675 Method for improving progressive lens designs and resulting article |