Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
05/1992
05/29/1992WO1992009105A1 Solid-state imaging device and method of manufacturing the same
05/29/1992WO1992008998A1 Plano-convex base sheet for retroreflective articles and method for making same
05/27/1992DE4038639C1 Large aperture achromatic lens - has radii of curvature of two aspherical refractive surfaces related to lens thickness, refractive coefficient and spacing by given equation
05/26/1992US5117308 Lens system using unhomogenous media
05/26/1992US5116684 Composite ophthalmic lens
05/26/1992CA1301842C2 Optical interface for a magneto-optical current transducer
05/20/1992EP0485818A1 Headlight
05/19/1992US5114629 Consistent quality
05/19/1992US5114513 Optical device and manufacturing method thereof
05/13/1992EP0485109A2 Multicomponent optical devices and method of making the same
05/06/1992EP0484276A1 Method for imaging several radiation sources arranged in one or more rows, and device for implementing the method
05/06/1992EP0458788A4 Optical lenses and related devices
05/05/1992US5111219 Fθ lens and image apparatus using the same
04/1992
04/29/1992CN1060595A Variable forcus lens
04/28/1992US5109298 Graded-index lens
04/28/1992US5108429 Micromotor actuated adjustable focus lens
04/21/1992US5107371 Cemented lens and process for producing the same
04/21/1992US5106403 Curve surface containing projections
04/21/1992US5105557 System for rapidly drying parts
04/16/1992WO1992006399A1 Lens for spectacles and method of manufacturing the lens
04/16/1992WO1992006046A1 Method for fabrication of cylindrical microlenses of selected shape and resulting product
04/15/1992EP0480392A2 Device for signalling status of machines or processes
04/14/1992US5104435 Method of making a plate microlens
04/10/1992WO1992005750A1 Variable focus lens
04/10/1992CA2072635A1 Variable focus lens
04/07/1992US5103215 Device for signalling status of machines or processes
04/01/1992EP0477658A2 Composite opthalmic lens
04/01/1992CN2100640U Scanning wide-angle spyhole lens
03/1992
03/31/1992US5101279 Liquid crystal display apparatus having lenticular elements oriented in relation to LC pixel aperture dimensions
03/31/1992CA1298128C Distributed aperture autofocus sensor
03/31/1992CA1298082C Fibre optic display device
03/29/1992CA2050515A1 Composite ophthalmic lens
03/25/1992EP0477036A2 Optical information transmitting device
03/25/1992EP0476893A1 Uniform intensity profile catadioptric lens
03/24/1992US5098184 Optical illumination system and projection apparatus comprising such a system
03/20/1992CA2049504A1 Uniform intensity profile catadioptric lens
03/18/1992WO1992005455A1 Optical apparatus
03/18/1992CA2068998A1 Optical apparatus
03/17/1992US5097354 Beam scanner
03/10/1992US5095415 Light fixture for externally illuminated sign
03/10/1992US5095386 Optical system for generating lines of light using crossed cylindrical lenses
03/05/1992WO1992003989A1 Variable power intraocular lens with astigmatism correction
03/05/1992WO1992003751A1 Method of manufacturing optical transmission medium from synthetic resin
03/05/1992WO1992003750A1 Method of manufacturing optical transmission medium from synthetic resin
03/05/1992CA2067247A1 Variable power intraocular lens with astigmatism correction
03/03/1992US5093719 Endoscopic gradient index optical systems
02/1992
02/26/1992EP0472291A1 Method of producing lenses
02/26/1992EP0471797A1 High definition, three-dimensional television
02/25/1992US5091801 Method and apparatus for adjusting the focal length of a optical system
02/11/1992US5087983 Correcting deflecting surface irregularity
02/11/1992US5087116 Reflective image display including a first mirror and a Fresnel mirror
02/11/1992US5087115 Aspherical glass lens element suitable for an object lens element of a disk device
02/05/1992EP0469313A2 Transmission-type screen for a projection television device
02/05/1992CN1058474A Lens design method and resulting aspheric
02/04/1992US5085977 Focusing screen and a method of forming a microstructure array for use with a focusing screen
01/1992
01/30/1992DE4023192A1 Afokales optisches abbildungssystem Afocal optical system illustration
01/29/1992EP0468410A1 A diffractive optical lens
01/28/1992US5084805 Vehicular lamp having a light shielding layer
01/22/1992EP0467324A2 Lens for an optical disc recording and/or reproducing apparatus
01/21/1992WO1992001958A1 Afocal optical observing system
01/21/1992US5083245 Lamp assembly
01/21/1992US5083199 Autostereoscopic viewing device for creating three-dimensional perception of images
01/21/1992US5083023 Composite light source unit and scanning device
01/21/1992CA2066654A1 Afocal optic image system
01/16/1992DE4022123A1 Prodn. of optically limiting plates - by giving acrylic] sheet suitable surface texture, coating it with light-sensitive material and illuminating it so that parts are blackened
01/14/1992US5081545 Focusing screen
01/14/1992US5080706 Method for fabrication of cylindrical microlenses of selected shape
01/09/1992WO1991018304A3 Improvements in or relating to microlens screens, photopolymerisable materials and artifacts utilising the same
01/08/1992EP0464647A2 Multibeam optical and electromagnetic hemispherical/spherical sensor
01/07/1992US5079130 Partially or fully recessed microlens fabrication
01/07/1992CA1293880C Lens
12/1991
12/31/1991US5076678 Laser diode light imaging optics
12/28/1991CA2044401A1 Multibeam optical and electromagnetic hemispherical/spherical sensor
12/27/1991EP0462750A2 Projection-type television display
12/24/1991US5074649 Plate with lens array
12/24/1991US5074629 Integrated variable focal length lens and its applications
12/20/1991CA2044904A1 Projection-type television display
12/18/1991EP0461660A2 F-Theta lens and image forming apparatus using the same
12/11/1991CN1056937A Liquid series amplification screen and amplification vision-protecting screem for television
12/10/1991US5071236 Replica plate, process for producing the same and projection type television using the same
12/10/1991US5071229 Imaging apparatus having electrooptic devices which comprise a variable focal length lens
12/10/1991US5071224 Lenticular lens for use in back projection type television receiver
12/04/1991EP0458788A1 Optical lenses and related devices
12/03/1991US5069813 Electrically controlled polarization-independent liquid crystal fresnel lens
12/03/1991US5069700 method of manufacturing gradient-index glass
12/03/1991CA1292669C Laminated glass lenses
11/1991
11/28/1991WO1991018304A2 Improvements in or relating to microlens screens, photopolymerisable materials and artifacts utilising the same
11/28/1991DE4042055A1 Plastics lens support for camera - has sprue for moulding also used as gate projecting from lens periphery
11/27/1991EP0458514A2 Partially or fully recessed microlens fabrication
11/27/1991EP0458508A2 A tuned fresnel lens for multifocal intraocular applications including small incision surgeries
11/27/1991EP0457881A1 A lens attachment
11/26/1991US5067801 Transverse flow aerodynamic lens
11/26/1991US5067800 Composite optical article and method of manufacture thereof
11/21/1991EP0457280A2 Screen and projector using said screen
11/19/1991US5066301 Variable focus lens
11/19/1991US5066114 High refraction index enveloping medium lens system
11/19/1991US5066099 Rear projection screen and method of producing the same
11/14/1991WO1991017464A1 Uni-directional gradient index of refraction glasses
11/14/1991WO1991017463A1 Variable focal length lens
11/14/1991DE4014837A1 Optical point scanning system for image original - uses rotatable deflector for scanning beam providing elliptical spot