| Patents for G02B 3 - Simple or compound lenses (21,564) |
|---|
| 01/26/1982 | US4312330 Focusing device for concentrating radiation |
| 01/05/1982 | US4309074 Novel viewing screen |
| 01/05/1982 | CA1115569A1 Multi-axial optical objective for an optical read head in a facsimile system |
| 12/22/1981 | US4306777 Ellipticized optical lens providing balanced astigmatism |
| 12/22/1981 | US4306772 Photochromic light lens |
| 11/25/1981 | EP0040548A1 Gradient index lens array |
| 11/11/1981 | EP0039544A2 Progressive multi-focal lenses |
| 11/11/1981 | EP0039498A2 Spectacle glass with astigmatism effect |
| 11/11/1981 | EP0039497A2 Multifocal spectacle glass with progressive power fields |
| 11/03/1981 | US4298247 Thick optical element having a variable curvature |
| 10/28/1981 | EP0038693A2 Optical imaging system |
| 10/27/1981 | US4297007 Optical apparatus and method for changing a zoom camera to a fixed focus camera |
| 10/20/1981 | US4296143 Method of producing microlenses |
| 10/13/1981 | US4294511 Connecting optical system for light guides |
| 10/06/1981 | US4293196 Objective lens system with aspheric Fresnel elements |
| 09/15/1981 | US4289497 Gradient photochromic lens and method selectively reducing photochromic activity |
| 09/15/1981 | US4289379 Optical system having a variable focal length |
| 09/02/1981 | EP0034947A1 Multi-element lens system |
| 09/01/1981 | US4286839 Light directing control system, particularly for medical operating and diagnostic use |
| 08/18/1981 | US4284839 Internal refractor focusing solar energy collector apparatus and method |
| 08/11/1981 | CA1106668A1 Microstructured transmission and reflectance modifying coating |
| 07/21/1981 | US4279480 Ophthalmic lens having an aspheric surface |
| 06/30/1981 | US4275962 Projection device |
| 06/30/1981 | US4275950 Light-guide lens |
| 06/23/1981 | CA1103499A1 Polymeric optical element having antireflecting surface |
| 06/16/1981 | CA1103075A1 Aspheric lens series |
| 06/09/1981 | CA1102601A2 Optical air lens system |
| 05/26/1981 | US4270047 Information detecting apparatus |
| 05/20/1981 | EP0028974A1 Method of making a composite glass, and composite glass, especially ophthalmic lens, so obtained |
| 04/28/1981 | US4264130 Self-focusing fiber array |
| 04/22/1981 | EP0027339A2 Progressive power ophthalmic lenses |
| 04/21/1981 | CA1099561A1 Method for marking intraocular lenses using a mask of opaques forming the configuration of coding characters |
| 04/14/1981 | US4261655 Biomechanically focused eyeglasses |
| 04/14/1981 | US4261645 Reflection preventive film having an aspherical layer |
| 03/17/1981 | US4256370 Cored lens for large refracting telescopes |
| 03/10/1981 | CA1097169A1 Refractor-reflector radiation concentrator |
| 03/03/1981 | US4253747 Method of preparing a refractive surface of a progressively variable focal power ophthalmic lens |
| 03/03/1981 | US4253735 Image forming optical system for semiconductor laser |
| 03/03/1981 | US4253724 Recording optical system |
| 02/24/1981 | US4252843 Oxidation of aluminum, magnesium |
| 02/24/1981 | US4252423 Image projector |
| 02/03/1981 | US4249205 Aspheric projection lens system utilizing concave image |
| 02/03/1981 | CA1094850A1 Method of preparing a refractive surface of a progressively variable focal power ophthalmic lens |
| 01/27/1981 | US4247179 Multifocal spectacle lens |
| 01/27/1981 | CA1094371A2 Remote control light transmitting lens system |
| 01/20/1981 | US4245892 Optical system having an optical surface containing aspherical terms with real number powers |
| 01/13/1981 | CA1093360A1 Rod lens assembly and method of making the same |
| 12/30/1980 | CA1092400A2 Remote control light receiver |
| 12/23/1980 | US4240719 Progressive ophthalmic lens |
| 12/09/1980 | US4238246 Solar energy system with composite concentrating lenses |
| 12/02/1980 | US4237183 High-vacuum electric-field vapor deposition of glass |
| 12/02/1980 | US4236824 Method for correction of forged optical elements |
| 11/11/1980 | CA1089269A1 Optical air lens system |
| 11/04/1980 | CA1088829A1 Solar concentrator and energy collection system |
| 10/28/1980 | US4230942 Crossed cylindrical lens |
| 10/15/1980 | EP0017296A2 Process for making microlenses and coupling element comprising a microlens prepared by this process |
| 10/14/1980 | US4227673 Gasket for casting lenses |
| 10/07/1980 | US4227091 Optical monitoring apparatus |
| 10/07/1980 | US4226500 Scanning optical system with reflective lens |
| 09/23/1980 | US4224626 Ellipticized lens providing balanced astigmatism |
| 09/23/1980 | US4224362 Method of enhancing an embossed translucent flexible sheet material |
| 09/03/1980 | EP0014783A1 Method of producing aspherical elements and products obtained thereby |
| 08/05/1980 | US4215914 Optical system having a radial difference in refractive index |
| 06/17/1980 | US4208088 Multi-axial optical objective for an optical read head in a facsimile system |
| 04/15/1980 | US4198571 Scanning microscopes |
| 04/15/1980 | CA1075510A1 Solar collector |
| 03/18/1980 | US4193675 Photographic camera |
| 02/26/1980 | US4190330 Variable focus liquid crystal lens system |
| 02/26/1980 | US4190321 Microstructured transmission and reflectance modifying coating |
| 02/26/1980 | CA1072381A1 Remote control light receiving lens system |
| 02/12/1980 | CA1071449A1 Multiple lens system for an optical imaging device |
| 01/29/1980 | US4185897 Prosthetic aspheric spectacle lens for aphakia |
| 01/29/1980 | CA1070810A1 Optical projection device and an optical reader incorporating this device |
| 01/23/1980 | EP0006919A1 Lenticulated lens |
| 01/22/1980 | US4185191 Range determination system |
| 01/22/1980 | US4184749 Wide angle narrow bandpass optical filter system |
| 01/22/1980 | US4184748 Device for expanding practically parallel light rays |
| 01/08/1980 | CA1069359A1 Lens type optical equalizer for signal transmissions via multimode optical waveguides |
| 01/01/1980 | US4181409 Aspheric lens series |
| 01/01/1980 | US4181408 Vision compensation |
| 11/27/1979 | US4175844 Optical imaging system |
| 11/13/1979 | US4174156 Optical lens for differential correction |
| 09/25/1979 | US4168900 Compact erect optical imaging copier system and method |
| 07/31/1979 | US4162833 Photographic camera |
| 07/17/1979 | CA1058436A1 Elongated rod lens optical system |
| 06/26/1979 | CA1057099A1 Lens assembly and method of making |
| 06/26/1979 | CA1057098A1 Louvered echelon lens |
| 06/05/1979 | US4157213 Multifocal length lens |
| 05/15/1979 | US4154506 Projection lens plate for microfiche |
| 05/08/1979 | US4153654 Polymeric optical element having antireflecting surface |
| 05/01/1979 | US4152047 Projection screen means |
| 04/18/1979 | EP0001393A2 A system for the distribution, transmission, detection, collection or modulation of propagating energy and/or energy fields |
| 04/10/1979 | US4148550 Rod lens assembly and method of making the same |
| 04/05/1979 | WO1979000173A1 Lenticulated lens |
| 04/03/1979 | US4147561 Fresnel lens positioned in region to receive high intensity radiation during periods of direct sunlight |
| 04/03/1979 | US4147412 Fixture for mounting bar lens array in electrophotographic apparatus |
| 03/27/1979 | US4146407 Solar photoelectric module |
| 03/27/1979 | US4146306 Optical lens |
| 03/13/1979 | CA1050314A1 Projection lens system |
| 02/06/1979 | CA1047849A1 Method of making optical waveguides |