Patents for G02B 3 - Simple or compound lenses (21,564) |
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01/23/1979 | CA1046823A1 Double focusing microscope for registering semiconductor wafers and masks |
01/16/1979 | US4134651 Method of making an assembly |
12/26/1978 | CA1044930A1 Multifocal lenses and method of making same |
12/19/1978 | US4130346 Super imposed fresnel lenses for channel indicators |
12/05/1978 | CA1043606A1 Single optical lens with large aperture and large field |
10/31/1978 | US4123142 Ambiguity plane optical processor incorporating magneto-optic, bubble domain histograph |
10/24/1978 | CA1040907A1 Glass clad glass lenses and method of making same |
10/03/1978 | US4118114 Low-glare overhead projector |
09/19/1978 | US4114983 Randomly spaced peaks, prisms, lenses |
09/19/1978 | CA1038954A1 optical window set up in a laser head |
09/12/1978 | US4114037 Multiple lens system for an optical imaging device |
08/22/1978 | US4108622 Method of making miniature coupling lens |
08/22/1978 | US4108540 Refractor-reflector radiation concentrator |
08/08/1978 | US4105292 Optical element to assure a minimum spacing |
07/11/1978 | US4099848 Optical correction lens |
05/30/1978 | US4092651 Device and method for exposing phosphor dots in a color television picture tube |
05/16/1978 | US4089594 Sun screen structure |
05/16/1978 | US4089592 Microscope |
05/09/1978 | US4088470 Lenses for eyeglasses |
04/04/1978 | US4082433 Louvered echelon lens |
01/24/1978 | US4069812 Solar concentrator and energy collection system |
01/17/1978 | US4068918 Eye cooler for sunbathers |
01/10/1978 | US4067937 Method for forming a light transmission glass fiber equipped with an optical lens |
01/10/1978 | US4067646 Eyeground inspecting contact lens |
01/03/1978 | US4066335 Variable density lens |
12/06/1977 | US4061415 Nutating radiation deflecting method and apparatus |
11/22/1977 | US4059345 Fixture for mounting bar lens array in electrophotographic apparatus |
10/04/1977 | US4052123 Correcting lenses utilized in the manufacture of fluorescent screen of color picture tubes |
10/04/1977 | US4052122 Correcting lenses utilized in the manufacture of fluorescent screen of color picture tubes |
08/16/1977 | US4042821 Remote control light receiver |
08/02/1977 | US4039827 Method for marking intraocular lenses |
07/26/1977 | US4037936 Correcting lens having two effective surfaces |
07/26/1977 | US4037929 Optical projection device and an optical reader incorporating this device |
06/21/1977 | US4030790 Process for fabricating lenses for manufacturing cathode ray tube screen structures |
06/14/1977 | US4029395 Method for altering the focal zone of a lens system |
06/07/1977 | US4027952 Single optical lens with large aperture and large field |
05/24/1977 | US4025157 Gradient index miniature coupling lens |
04/19/1977 | US4018587 Method for producing a curved glass die having an aspherical polished concave face |
03/15/1977 | US4012136 Projection device for photogrammetrical purposes |
03/15/1977 | US4012109 High magnification optical apparatus |
03/15/1977 | US4011857 Solar energy converter and elongated Fresnel lens element |
02/08/1977 | US4006971 Reflective imaging apparatus |
11/23/1976 | US3993401 Retroreflective material including geometric fresnel zone plates |
11/16/1976 | US3992206 Method of making lenticular surfaces |
11/09/1976 | US3990798 Method and apparatus for aligning mask and wafer |
11/02/1976 | US3989360 Optical device |
09/28/1976 | US3982822 Composite Fresnel lens assembly |
09/21/1976 | US3981709 Chamfering, grinding |
09/14/1976 | US3980399 Aspheric optical elements |
09/14/1976 | US3980391 Optical fiber transmission compensator |
08/03/1976 | US3972593 Louvered echelon lens |
07/13/1976 | US3969575 Opto-electronic focus detection system |
05/25/1976 | US3959580 Directly viewable stereoscopic projection system |
04/13/1976 | US3950074 Image-transmitting light-conducting fibre array |
04/13/1976 | US3949612 Liquid sampling |
03/30/1976 | US3947186 Eye-test lens and method |
03/30/1976 | US3947086 Device for tilting a field in an optical system |
03/16/1976 | US3944325 Semi-liquid stabilized optices |
02/24/1976 | US3940788 Color television camera optical system |
02/03/1976 | US3936163 Vision examination lens system |
02/03/1976 | US3936151 Correction lenses utilized to form fluorescent screens of colour picture tubes |
02/03/1976 | US3936149 Non-homogeneous objective lens having an aperture diaphragm |
01/20/1976 | US3933454 Method of making optical waveguides |
01/13/1976 | US3932148 Method and apparatus for making complex aspheric optical surfaces |