Patents for G02B 3 - Simple or compound lenses (21,564) |
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12/22/1987 | US4714656 Sheet containing contour-dependent directional image and method for forming the same |
12/16/1987 | EP0248823A1 Optical sensing system. |
12/15/1987 | US4712901 Sharp focus detecting device |
12/15/1987 | US4712886 Lens doublet color-corrected for visible and near-infrared wavelengths |
12/15/1987 | US4712882 Variable focal length lens |
11/25/1987 | CN87200331U Micro-groove plastic lens |
11/09/1987 | EP0232332A4 Traffic light lens. |
11/05/1987 | WO1987005709A3 Lens |
10/28/1987 | EP0242636A2 Plastic optical transmission medium, process for producing the same and array of lenses using the same |
10/27/1987 | US4702581 Flash device for camera |
10/21/1987 | EP0241558A1 Method of manufacturing gradient index lens |
10/20/1987 | US4701032 Graded refractive index lens system |
10/20/1987 | US4701020 Rear projection screen with improved luminance uniformity |
10/07/1987 | EP0240182A2 A Lens |
09/29/1987 | US4696552 Projection device with refractive index distribution type lens |
09/29/1987 | US4696547 Window for shielded enclosure |
09/29/1987 | US4696545 Short focal length imaging device |
09/24/1987 | WO1987005709A2 Lens |
09/22/1987 | US4695719 Apparatus and method for opto-electronic package |
09/22/1987 | US4695135 Information display panel |
09/15/1987 | US4693565 Collimator lens |
09/08/1987 | US4692015 Short focal lens array with multi-magnification properties |
09/02/1987 | EP0234632A1 Matrix for use in a replica process |
08/25/1987 | US4689291 Integrated optical device, memory |
08/25/1987 | US4688905 Viewer |
08/19/1987 | EP0232332A1 Traffic light lens. |
08/05/1987 | EP0231029A2 Optical system |
08/04/1987 | US4684222 Small anamorphic lenses and method |
08/04/1987 | US4684221 Graded refractive index single lens system |
07/30/1987 | DE3702188A1 Optical magnification changing system |
07/21/1987 | US4681405 Method and lens for producing a wide angle image |
07/21/1987 | CA1224351A1 Integral photosensitive optical device and method |
07/14/1987 | US4679918 Lightweight |
07/14/1987 | US4679912 Binocular eyepiece |
07/08/1987 | EP0227784A1 Infra-red lenses and methods of fabrication |
07/07/1987 | US4678311 Multi-magnification short focal length imaging system |
07/01/1987 | CN86104346A Contact lenses and the mfr. method therefor |
06/30/1987 | US4676596 Optical device and document reader using the same |
06/23/1987 | US4675727 Optical color document reading apparatus wherein an image is blurred on a color image sensor to minimize color moire phenomenon effects |
06/23/1987 | US4674843 Gradient index lens |
06/18/1987 | WO1987003681A1 Optical sensing system |
06/09/1987 | US4671625 Optical apparatus for producing a natural, viewable and optically interactive image in free space |
06/09/1987 | US4671623 Aspheric object lens for optical data read-out apparatus |
06/03/1987 | CN86105194A Integral condenser |
06/02/1987 | US4670095 Applying photosensitive material, selective illumination |
05/27/1987 | EP0223310A2 Fresnel lens for projection screens |
05/27/1987 | CN86104848A Optical scanning device for electric magnetic suspension lens flat moving and angle position measuring system |
05/26/1987 | US4668056 Single lens having one aspherical surface |
05/26/1987 | US4668055 Lens for an optical recording/reproducing apparatus and optical recording/reproducing apparatus using same |
05/26/1987 | US4668053 Collimator lens |
05/13/1987 | CN86105331A Refracting solar energy concentrator and thin flexible fresnel lens |
05/12/1987 | US4664479 Dynamic scattering, guest host, non-glaring reflector |
05/05/1987 | US4662735 Plastic lens elements supporting structure |
05/05/1987 | US4662728 Light guide apparatus |
05/05/1987 | US4662717 Lens and lens holding devices |
04/29/1987 | EP0219647A1 Integrating optical condensor |
04/28/1987 | US4660972 Arrangement for visualizing the cores of optical waveguides |
04/28/1987 | US4660933 Lens driving device |
04/14/1987 | US4657354 A molding of glass having acrylate layers of varing contractions and setting times; surface shape durability |
04/14/1987 | US4657352 Image optical system including a non-spherical single lens |
04/14/1987 | US4657344 Method of fabricating a light-diffracting structural component |
04/09/1987 | WO1987002146A1 Method of manufacturing gradient index lens |
04/08/1987 | EP0217741A2 Holding facility for an imaging or objective frame for a compartment camera |
04/07/1987 | US4655565 Ophthalmic lenses with diffractive power |
04/07/1987 | US4655556 Lens system for optical disks |
04/01/1987 | EP0216626A2 Sheet containing contour-dependent directional image and method for forming the same |
04/01/1987 | EP0216562A2 Refracting solar energy concentrator and thin flexible fresnel lens |
03/24/1987 | CA1219479A1 Optical system |
03/24/1987 | CA1219413A1 Image-transmitting synthetic resin rod and process for producing the same |
03/17/1987 | US4650292 Analytic function optical component |
03/17/1987 | US4650275 Thin plastic corrector lenses for optical systems |
03/04/1987 | EP0213078A2 Compartment camera |
03/04/1987 | EP0212616A2 Intraocular lens |
03/03/1987 | US4647519 Negative-working photoresist method of making rear-projection television screen viewing surface |
03/03/1987 | US4647159 Gradient index type single lens |
02/24/1987 | US4645523 Fresnel lens fabrication |
02/18/1987 | CN85101329A Zoom lens of reduced total length |
02/17/1987 | US4643911 Method for forming light-shield coat on lenses |
02/17/1987 | US4643752 Cutting, etching, and depositing concentric, alternating layers |
02/17/1987 | US4643555 Camera with switchable focal length |
02/17/1987 | US4643535 Optical information recording/reproducing element |
02/17/1987 | US4643534 Optical transmission filter for far field beam correction |
02/12/1987 | WO1987000908A1 Traffic light lens |
02/10/1987 | US4641929 Biaspherical lens |
02/10/1987 | US4641927 Chromatic aberration corrected gradient index lens system |
02/03/1987 | US4640699 Process for producing glass product having gradient of refractive index |
02/03/1987 | US4640593 Progressive multifocal ophthalmic lenses |
02/03/1987 | US4640585 Semiconductor thin film lens |
02/03/1987 | US4640573 Lens-on-disc type optical scanning apparatus |
01/31/1987 | CN85102094A Lens with one non-spherical face |
01/27/1987 | US4639094 Gradient index lens system |
01/27/1987 | CA1217079A1 Negative-working photoresist composition for use on a polymethyl methacrylate surface |
01/20/1987 | US4638471 Optical scanning unit comprising a translational-position and angular-position detection system for an electro-magnetically suspended objective |
01/20/1987 | US4638110 Methods and apparatus relating to photovoltaic semiconductor devices |
01/15/1987 | WO1987000297A1 Infra-red lenses and methods of fabrication |
01/14/1987 | EP0208159A2 Process for Producing an optical Transmission Medium |
01/13/1987 | US4636049 Concentric bifocal contact lens |
01/06/1987 | US4634233 Method of forming a light source by the use of a refractive index distribution type lens and light source device |
12/30/1986 | US4632522 Optical system of variable magnification and a method for varying magnification of the same |
12/30/1986 | EP0206812A2 Cathode ray tube apparatus |