Patents
Sitemap › G02 - Optics › G02B - Optical elements, systems, or apparatus › G02B 3 - Simple or compound lenses
Patents for G02B 3 - Simple or compound lenses (21,564)
06/1989
06/13/1989US4838673 Polarized lens and method of making the same
06/13/1989US4838665 Temperature-compensated lens system
06/13/1989CA1255527A1 Single lens having one aspherical surface
06/07/1989EP0318561A1 Multifocal ophthalmic lens.
06/06/1989US4837044 Rugate optical filter systems
06/06/1989US4836659 Lens
06/06/1989US4836202 Instrument for manipulating compressible intraocular lenses
06/06/1989CA1255129A1 Concentric bifocal contact lens
06/01/1989WO1989004979A1 Microlenses
05/1989
05/30/1989US4834805 Photovoltaic power modules and methods for making same
05/30/1989US4834512 Three-dimensional display
05/24/1989EP0317153A1 Microlenses
05/24/1989EP0316507A2 Graded index lens array
05/24/1989DE3838168A1 Optical picture transmission system
05/23/1989US4832450 Bar lens assembly for reproduction machine and method of forming same
05/23/1989CA1254420A1 Small anamorphic lenses and method
05/17/1989EP0316040A1 Method of manufacturing biconvex lens elements
05/16/1989US4830454 Spherical planoconvex lens for optically coupling a semiconductor laser to an optical waveguide
05/16/1989CA1254069A1 Ophthalmic glass/plastic laminated lens
05/16/1989CA1254008A1 Process and apparatus for casting lenses
05/09/1989US4828558 Laminate optic with interior Fresnel lens
05/09/1989US4828373 Aspherical single lens
05/03/1989EP0313618A1 Polarized lens and method of making the same
05/02/1989US4826299 Linear deiverging lens
04/1989
04/25/1989US4824227 Optimum riser angle for fresnel lenses in projection screens
04/25/1989US4824225 Illumination optical system for an endoscope
04/25/1989US4824224 Lens system for a cathode ray tube projection system
04/25/1989US4824073 Integrated, microminiature electric to fluidic valve
04/18/1989US4822122 Mixture of polymers with different refractive indexes
04/18/1989US4821997 Integrated, microminiature electric-to-fluidic valve and pressure/flow regulator
04/18/1989CA1252655A1 Analytic function optical component
04/11/1989US4820038 Hydrogel contact lens
04/11/1989US4820030 Lens arrangement
04/11/1989US4820029 Objective lens for optical pickup
04/05/1989EP0309948A2 Lenslet array and method for providing apertures on lenslet arrays
04/05/1989EP0309947A2 Method for producing apertures on a lenslet array
04/04/1989US4818096 Sunglasses; benzo or naphthopyrans with nitrogen containing substituents
04/04/1989CA1251975A1 Optical element with a varying refractive index and a method for its manufacture
03/1989
03/30/1989DE3806879C1 Optical filter lens
03/29/1989EP0308705A2 Multifocal birefringent lens system
03/28/1989US4815807 Collimator lens for optical fiber
03/23/1989DE3730198A1 Process for producing an elongate transparent article from plastic and use thereof
03/22/1989EP0308010A1 Method for making lens elements
03/22/1989EP0307487A1 Collimator lens for optical fiber
03/21/1989US4813955 Multifocal, especially bifocal, intraocular, artificial ophthalmic lens
03/14/1989US4812866 Photographic film package
03/14/1989US4812025 Optical interface for a magneto-optical current transducer
03/08/1989CN1031608A Projection screen having high resolution and good mechanical stability
03/07/1989US4811040 Numismatic detector
03/07/1989US4810070 Lens system having a good image performance for white light
03/07/1989US4810069 Collimator optical system for effecting elliptical-to-circular conversion
03/07/1989US4810056 Collimated relief display device
03/01/1989EP0185069B1 Light diffusing lens
02/1989
02/23/1989WO1989001640A1 Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry, and fabrication thereof
02/21/1989US4805998 Variable anamorphic lens system
02/21/1989US4805997 Gradient refractive index type anamorphic planar microlens and method of producing the same
02/15/1989EP0303342A1 Lens assembly for laser scanner system
02/08/1989EP0302216A2 Laminated glass lenses
02/07/1989US4802746 Variable-focus optical element and focus detecting device utilizing the same
02/01/1989EP0301659A2 Infrared lens arrays
01/1989
01/26/1989WO1989000710A1 Spectacle lens with astigmatic effect
01/25/1989EP0300415A1 Spectacle lens having an astigmatic effect
01/24/1989US4799778 Fresnel lens concentrator
01/24/1989US4799761 Plastic optical transmission medium, process for producing the same and array of lenses using the same
01/24/1989CA1249153A1 Integral optical device and method
01/18/1989EP0299393A2 Optical lens or lens system with variable servo control focusing
01/04/1989EP0297115A1 Small incision intraocular lens with adjustable power
01/04/1989EP0179925B1 Method of forming non-continuous films on rugged or wavy surface of object
01/03/1989US4795248 Liquid crystal eyeglass
12/1988
12/29/1988WO1988010446A1 Photo imaging system using two-dimensional optical lens array
12/27/1988US4794053 Optical elements having buried layers
12/27/1988US4793703 Three layer of inorganic glass, organic plastic and curable adhesive; stress and haze free
12/21/1988EP0295849A2 Improved progressive lens and manufacture thereof
12/15/1988WO1988009950A1 Multifocal ophthalmic lens
12/14/1988CN88103410A Multifocal ophthalmic lens
12/07/1988EP0294152A2 Gradient index-type optical device and process for production thereof
12/06/1988US4789219 Gradient index retroreflector
11/1988
11/30/1988EP0292764A2 Wide angle sight glass
11/30/1988EP0292475A1 Ultraviolet radiation and blue light blocking polarizing lens.
11/29/1988US4787722 Capable of transmitting infrared energy rays
11/23/1988EP0291596A1 Suspension system for a flexible optical membrane
11/23/1988CN87102834A 液体折射望远镜 Liquid refractor
11/22/1988US4786798 Used to detect light reflected from a target
11/15/1988US4785385 Traffic light lens
11/15/1988US4784479 Varifocal optical system
11/15/1988US4784478 Microscope objective
11/09/1988CN88212060U Compound mirror
11/08/1988US4783673 Holding apparatus for an image frame or objective frame of a professional camera
11/08/1988US4783155 Optical device with variably shaped optical surface and a method for varying the focal length
11/08/1988US4783154 Image-transmitting optical system
11/08/1988US4783153 Variable-focus optical device
11/08/1988US4783141 Array lens
11/03/1988WO1988008340A1 Polarized lens and method of making the same
11/01/1988USH542 Fiber optic variable focus lens
11/01/1988US4781445 Optical device having positionally changeable optical surfaces and a method of varying an image forming position
11/01/1988US4781440 Stereoscopic optical instruments utilizing liquid crystal
10/1988
10/26/1988EP0288117A2 A projection screen having high resolution and good mechanical stability
10/25/1988CA1243522A1 Microlens
10/18/1988US4778256 Impregnating porous transparent base with photo-decomposable compounds; radiation of decreasing intensity
10/18/1988CA1243270A1 Method for forming light-shield coat on lenses
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