Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
12/1992
12/15/1992US5172272 Imaging lens system
12/15/1992US5172206 Solid state image pickup device with mirrors
12/15/1992US5171344 Method for manufacturing a gradient index optical element
12/15/1992US5171266 Variable power intraocular lens with astigmatism correction
12/10/1992DE4118161A1 Black-edged lens - has sheet material e.g. of soft PVC for absorbing distorting light glued to edges
12/10/1992DE4118160A1 Darkening edge of lens to absorb stray light - by wrapping strip of plastics around edge and then sintering plastics
12/09/1992EP0517500A2 Transmissive image display device
12/09/1992EP0517163A1 Microlens forming method
12/02/1992EP0515697A1 Lens forming composition, fresnel lens prepared therefrom, and transmission screen
12/01/1992US5168404 Optical element and glass blank for producing the optical element
12/01/1992US5168401 Brightness conserving optical system for modifying beam symmetry
11/1992
11/25/1992EP0514745A2 Lens for creation of focus within a sample
11/24/1992USRE34132 Progressive power ophthalmic lens
11/24/1992US5166999 High resolution print bar system
11/24/1992US5166827 Gradient index optical element
11/24/1992US5165186 Sign readable at speed
11/18/1992CN2122400U Stageless variable glasses
11/17/1992US5164584 Optical scanner with power efficient lens
11/12/1992WO1992020004A1 Optical concentrator matrix, optical assembly containing same, and method for producing said matrix
11/11/1992EP0512893A1 Illuminator for projector
11/10/1992US5163117 Image transmitting element comprising an array of photo-transmissible holes
11/10/1992US5162949 Lens for an optical disc recording and/or reproducing apparatus
11/10/1992US5162844 Image projection apparatus
11/10/1992US5162825 Cemented lens and process for production thereof
11/04/1992EP0511404A1 Solid-state imaging device and method of manufacturing the same
11/03/1992US5161061 Compound aspherical lens
11/03/1992US5161059 High-efficiency, multilevel, diffractive optical elements
10/1992
10/28/1992EP0510532A2 Combination lamp for automobile
10/27/1992US5159495 Graded index optical elements and catadioptric optical systems
10/27/1992US5159491 Combination collimating lens and correcting prism
10/21/1992EP0509679A2 Vehicle Lamp
10/20/1992US5157554 Projecting lens unit
10/20/1992CA1308944C Multifocal optical device with novel phase zone plate
10/14/1992EP0507900A1 Variable focus lens
10/08/1992DE4110614A1 Rugged lens e.g. for spectacles - has main body with diffractive focussing features on side covered with protective e.g. polysiloxane coating of lower refractive index
10/07/1992EP0507599A2 Apparatus for assembling an optical device
10/07/1992EP0507456A2 Solid-state imaging device and method of manufacturing the same
10/07/1992EP0507344A1 Post-objective type optical scanner
10/06/1992US5153778 Powerless field-corrective lens
10/06/1992US5153773 Illumination device including amplitude-division and beam movements
10/01/1992DE4210079A1 Shaped glass body with straight strips - uses masking plate with shaped openings for deposition on substrate
09/1992
09/30/1992EP0505655A1 Fiber optic switch with remote optical powering
09/29/1992US5151826 Fresnel lens
09/29/1992US5151823 Biocular eyepiece optical system employing refractive and diffractive optical elements
09/29/1992US5151790 Image pickup device for stabilizing optical aberrations
09/29/1992US5150966 Light fixture
09/22/1992US5150234 Imaging apparatus having electrooptic devices comprising a variable focal length lens
09/17/1992WO1992015901A1 Optical transmitter made of graded index type plastic, and method of producing the same
09/17/1992WO1992009914A3 Three-dimensional image display method and apparatus
09/16/1992EP0504011A1 Procedure for obtaining an article in a transparent polymer with a refractive index gradient
09/16/1992EP0503911A1 System for rapidly drying parts
09/16/1992EP0503236A2 Apparatus and a method for high numerical aperture microscopic examination of materials
09/15/1992US5148322 Micro aspherical lens and fabricating method therefor and optical device
09/15/1992US5148304 Optical beam scanning system
09/09/1992EP0502462A1 A method of manufacturing optical element
09/09/1992EP0502150A1 Optical apparatus
09/08/1992US5146071 Optical lens system-driving control apparatus for microscopically driving a plurality of lens groups
09/08/1992CA1307146C Photo imaging system using two-dimensional optical lens array
09/02/1992EP0500922A1 Variable power intraocular lens with astigmatism correction
09/01/1992US5144603 Optical head incorporating refractive index distribution changeable lens
09/01/1992US5144484 Binary optic lens design using flip-flop optimization
08/1992
08/27/1992DE4105213A1 Collimating lens arrangement suppressing phantom-reflection of signal lamp - comprises plate with opposed pref. square patterns of convex lenses having unequal indices and coincident foci
08/26/1992EP0500331A1 Structure of a diffusing lens for a light emitting diode
08/25/1992US5142416 Reflection-type photoelectric switch, fresnel lens and method of manufacturing said lens
08/25/1992US5142411 Multifocal birefringent lens system
08/25/1992CA1306643C Photoreactive lenses
08/12/1992EP0497984A1 Method of manufacturing optical transmission medium from synthetic resin
08/12/1992CN2112845U Multi-function separating camera
08/12/1992CN1017830B Multifocus double refraction lens system
08/11/1992US5138495 Diffractive optical lens
08/11/1992US5138494 Variable focal length lens
08/11/1992US5138359 Focus detecting apparatus in which matching with the image performance of an objective lens is achieved
08/06/1992WO1992013287A1 Biased lenticular sign system
08/05/1992EP0496893A1 Method of manufacturing optical transmission medium from synthetic resin
08/04/1992CA1305882C Macro-gradient optical density transmissive light concentrators, lenses and compound lenses of large geometry, and fabrication thereof
07/1992
07/28/1992US5134520 Double directional image development head-up display optical system
07/22/1992EP0494924A1 Method and apparatus for manufacturing aspherically shaped small lenses.
07/21/1992US5132843 Grating lens and focusing grating coupler
07/21/1992CA1305296C Fountain solutions
07/14/1992US5130852 Plate with lens array
07/14/1992US5130839 Scanning optical apparatus
07/09/1992WO1992011320A1 Lens forming composition, fresnel lens prepared therefrom, and transmission screen
07/08/1992EP0493562A1 Afocal optical observing system
07/07/1992US5128783 Diffusing/collimating lens array for a liquid crystal display
07/07/1992CA1304628C Underwater window for vessels
07/02/1992DE4041769A1 Optical sensor for evaluating incident light - has lens body with mutually relatively adjustable concave and convex ellipsoidal surfaces
07/01/1992EP0492352A2 Sun sensor for internal temperature control systems in vehicles
06/1992
06/25/1992WO1992010774A1 Graded index optical elements and catadioptric optical systems
06/25/1992WO1992010769A1 Gradient index lenses with at least one aspherical surface
06/23/1992US5124734 Opthalmic lens
06/17/1992EP0490291A1 Light source device
06/17/1992EP0490171A2 Scattering type liquid crystal device
06/16/1992US5122903 Optical device and optical pickup device using the same
06/16/1992US5122819 Exposure device for color CRT manufacture and a compound corrective lens therefor
06/16/1992US5121980 Small aperture multifocal
06/11/1992WO1992009914A2 Three-dimensional image display method and apparatus
06/10/1992EP0489650A1 Method of production of microlenses for optical applications
06/10/1992EP0489399A2 Displacement detector
06/10/1992EP0489378A1 Achromatic lens
06/09/1992US5121254 Image transmitting element and process for producing photo-shield spacer plate used therein