| Patents for G02B 3 - Simple or compound lenses (21,564) |
|---|
| 10/16/1990 | US4963009 Optical element for use as a transparent viewing window |
| 10/16/1990 | US4963008 Correction lens system used in production of fluorescent screen of color picture tube and method of manufacturing correction lens system |
| 10/16/1990 | US4962983 Laser optical apparatus |
| 10/09/1990 | US4961802 Method of manufacturing a lens array for reading information |
| 10/09/1990 | US4961642 Projection type display device for monitoring at short distance |
| 10/09/1990 | US4961622 Optical coupler and refractive lamp |
| 10/03/1990 | EP0390757A2 Lens for traffic lights and method of making same |
| 10/02/1990 | US4960972 Light-beam-operated heating machine |
| 09/26/1990 | EP0388719A2 Laminated lens structure |
| 09/26/1990 | EP0354927A4 Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry, and fabrication thereof |
| 09/25/1990 | US4958919 Color-corrected optical systems with liquid lens elements |
| 09/25/1990 | US4958907 Computer screen magnifier |
| 09/20/1990 | CA2010002A1 Laminated lens structure |
| 09/19/1990 | EP0388356A2 Ultraviolet absorbing lenses and methods of making the same |
| 09/19/1990 | EP0387719A2 Compound aspherical lens |
| 09/18/1990 | US4957663 Cured epoxy resin on preform |
| 09/18/1990 | US4957341 Integral type lens |
| 09/12/1990 | EP0386944A2 Molding apparatus and method |
| 09/11/1990 | US4956000 Gradient lens fabrication |
| 09/11/1990 | US4955682 Scanning optical system |
| 09/08/1990 | CA2010925A1 Molding apparatus and method |
| 09/05/1990 | EP0292475A4 Ultraviolet radiation and blue light blocking polarizing lens |
| 09/04/1990 | US4953956 Apparatus for producing an effect on light passing through portions |
| 08/29/1990 | EP0384377A2 Optical sensing system |
| 08/29/1990 | EP0384353A2 Reflective-type photoelectric sensor |
| 08/28/1990 | US4953171 Semiconductor laser source unit |
| 08/28/1990 | US4952040 Illumination optical system for an endoscope |
| 08/28/1990 | US4952037 Plate microlens and method for manufacturing the same |
| 08/28/1990 | US4952026 Integral optical element and method |
| 08/23/1990 | WO1990009607A1 Optical lenses and related devices |
| 08/22/1990 | EP0382808A1 Device for producing an image of an object. |
| 08/21/1990 | US4950289 Small incision intraocular lens with adjustable refractive power |
| 08/21/1990 | US4950057 Progressive multi-focal ophthalmic lens |
| 08/21/1990 | US4950041 Lens systems comprising plastic and liquid lens elements |
| 08/16/1990 | EP0382620A1 Ophtalmic diffractive lens for the correction of astigmatism |
| 08/14/1990 | US4948214 Step-index light guide and gradient index microlens device for LED imaging |
| 08/08/1990 | EP0380663A1 Collimator |
| 08/08/1990 | EP0380654A1 Lens arrays for light sensitive devices |
| 07/31/1990 | US4945407 High definition, three-dimensional television |
| 07/31/1990 | US4944899 Process and apparatus for casting lenses |
| 07/31/1990 | US4944584 Plastic multifocal point spherical lens |
| 07/31/1990 | US4944574 Stand magnifier and lens |
| 07/24/1990 | US4943860 Three-dimensional photographing and three-dimensional playback device by spatial time-sharing method |
| 07/24/1990 | US4943032 Integrated, microminiature electric to fluidic valve and pressure/flow regulator |
| 07/17/1990 | US4941732 For observing a light image |
| 07/11/1990 | EP0377454A2 Image reading apparatus |
| 07/10/1990 | US4940311 Adjustable magnifying device |
| 07/04/1990 | EP0376254A2 Lens sheet |
| 07/03/1990 | US4939630 Illumination optical apparatus |
| 07/03/1990 | CA1271140A1 Integrated, microminiature electric-to-fluidic valve and pressure/flow regulator |
| 06/27/1990 | EP0375152A2 Double-sided grooved Fresnel lens for overhead projector |
| 06/26/1990 | US4936666 Diffractive lens |
| 06/26/1990 | US4936657 Projection type liquid-crystal video display device using a fresnel lens |
| 06/21/1990 | DE3842199A1 Refractor (refracting telescope) having variable refractive behaviour |
| 06/19/1990 | US4935630 Lens-sphere optical sensing system |
| 06/19/1990 | US4934798 Lens deflection system |
| 06/19/1990 | CA1270398A1 Projection-lens system |
| 06/12/1990 | US4932763 Aspherical single lens system for use with optical cards |
| 06/12/1990 | US4932762 Lens triplets |
| 06/12/1990 | US4932732 Optical scanning apparatus |
| 06/06/1990 | EP0371795A2 Optical coupling circuit element |
| 06/05/1990 | US4930880 Graded refractive index lens |
| 05/30/1990 | CN1042613A Multifocals using phase shifting steps |
| 05/29/1990 | US4929065 Glass plate fusion for macro-gradient refractive index materials |
| 05/22/1990 | US4927262 Multiple pupil projection display |
| 05/22/1990 | US4927241 Optical imaging system having an electronically variable focal length and optical image sensor provided with such a system |
| 05/17/1990 | WO1990005316A1 Glass plate fusion for macro-gradient refractive index materials |
| 05/16/1990 | EP0368482A1 Method of making a product with a feature having a multiplicity of fine lines |
| 05/16/1990 | EP0367878A1 Multifocals using phase shifting steps |
| 05/16/1990 | EP0367837A2 Spherical plano-convex lens for optically coupling a semiconductor laser to an optical wave-guide |
| 05/15/1990 | US4925281 Zoom lens |
| 05/09/1990 | EP0367241A2 Diffractive optical imaging lens systems |
| 04/25/1990 | EP0365386A1 Method to make a plastic glass abrasion-resistant, and plastic glass made abrasion-resistant |
| 04/24/1990 | US4919520 Liquid crystal eyeglass |
| 04/24/1990 | CA1268065A1 Fresnel lens for projection screens |
| 04/17/1990 | US4918583 Illuminating optical device |
| 04/17/1990 | US4917824 Fluid light controlling medium for a vehicle rearview mirror |
| 04/11/1990 | EP0363347A2 Method for making a smooth, uniform image of a laser diode array |
| 04/10/1990 | US4915484 Anamorphic single lens |
| 04/10/1990 | US4915483 Apochromatic lens triplets with aspherical lens elements |
| 04/03/1990 | US4913536 Variable power lens and method |
| 04/03/1990 | US4913535 Apochromatic lens systems |
| 04/03/1990 | US4913526 Optical LED printhead with lens locator bar |
| 03/29/1990 | DE3832406A1 Plane-parallel refracting lens, also used as supplementary unit for a display device and method for their production |
| 03/27/1990 | US4912497 Device for detecting the focal value for the focusing of optical apparatus |
| 03/27/1990 | US4912331 Security sensors |
| 03/27/1990 | US4911538 Lens system comprising plastic and liquid lens elements with aspherical surfaces |
| 03/27/1990 | CA1267173A1 Sheet containing contour-dependent directional image and method for forming the same |
| 03/27/1990 | CA1267014A1 Single bi-aspherical lens |
| 03/21/1990 | CN1040685A Multifocal optical device with novel phase zone plate |
| 03/20/1990 | US4909626 Electrically-controllable thin film Fresnel zone device |
| 03/15/1990 | DE3830149A1 Optical lens for closing off housings in a hermetically tight manner |
| 03/14/1990 | EP0232332B1 Traffic light lens |
| 03/13/1990 | US4907864 Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry |
| 03/07/1990 | EP0357396A2 Microlens arrays and methods of producing the same |
| 03/06/1990 | US4906076 Hand-held collapsible magnifying lens |
| 02/28/1990 | EP0356204A2 Laminated lens |
| 02/28/1990 | EP0355933A2 Lenticular arrays for front projection screens and contrast improving method and device |
| 02/28/1990 | EP0355230A2 Method of producing a multifocal diffractive optical element |
| 02/27/1990 | US4904063 Liquid crystal lenses having a Fresnel lens |