Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
10/1997
10/02/1997DE19613745A1 Production of anamorphic micro optic arrays
10/01/1997EP0798587A2 Light spot generating device
10/01/1997EP0798586A1 Devices with micro-filters for selection of colours and images
10/01/1997CN1160853A Combined multifocal toric lens designs
09/1997
09/30/1997CA2003077C Dual grooved fresnel lens for overhead projection
09/24/1997EP0796065A1 System for corneal reprofiling
09/23/1997US5671034 Polarisation dependent refractive device exhibiting independtly varying first and second indices of refraction and methods of manufacture thereof
09/23/1997US5670096 Retroreflective article comprising a transparent base sheet and nacreous pigment coating, method for making such a base sheet, and method for making a forming master
09/18/1997DE19609735A1 Lead-free crown flint glass composition
09/17/1997EP0795913A2 Solid state imager with inorganic lens array
09/17/1997EP0795912A2 Method for forming inorganic lens array for solid state imager
09/17/1997CN1159587A Design for concentric circles non-spherical multi-focus lens
09/16/1997US5668825 Lens support structure for laser diode arrays
09/16/1997US5668620 Variable focal length lenses which have an arbitrarily shaped periphery
09/12/1997WO1997033277A1 Objective lens and scanning device using such an objective lens
09/11/1997DE19605984C1 Variable optical lens for microsystem
09/10/1997EP0794676A2 Interlaced image projection apparatus
09/10/1997EP0793624A1 Optical lenses and methods for making same
09/09/1997US5666564 Zoom flash with wave-lens
09/09/1997US5666155 Eye contact video telephony
09/09/1997US5665957 Lens device comprising light blocking means and an optical pickup apparatus using the lens device
09/09/1997US5665174 Platform for recovering solar energy
09/09/1997US5665136 Process for producing micro lenses using a laser beam
09/03/1997EP0793291A2 Millimeter wave arrays using Rotman lens and optical heterodyne system
09/02/1997US5662401 Integrating lens array and image forming method for improved optical efficiency
09/02/1997US5662400 Projection display system
08/1997
08/28/1997DE19706274A1 Optical imaging device with fluid-filled objective lens
08/27/1997CN1157928A Multifaceted lens element
08/26/1997US5661608 Light box for optical valve
08/26/1997US5661607 Lens for reading out optical recording medium
08/26/1997US5661540 Lens array and close contact type image sensor using the same
08/21/1997WO1997029903A1 Method for producing an optical rod-shaped graded-index polymer preform, preform obtained in accordance with this method and optical lens and optical fibre obtained by using same
08/20/1997EP0790517A2 Apparatus for laser-discharge imaging and focusing elements for use therewith
08/20/1997EP0789850A1 Nonfull aperture luneburg-type lens with a graded index core and a homogenous cladding, method for forming thereof, and high numerical aperture laser diode assembly
08/13/1997EP0789421A2 Durable, lightweight, radar lens antenna
08/12/1997US5657146 Optical scanning apparatus
08/12/1997US5656805 Light beam scanning pen, scan module for the device and method of utilization
08/12/1997US5656209 Process for manufacture of Fresnel lenses
08/12/1997US5655832 Radiant energy redirecting system
08/07/1997WO1997023859A3 Picture display device with two microlens arrays
08/06/1997EP0788006A2 Improvements in or relating to spatial light modulators
08/05/1997US5655043 Imaging arrangements
08/05/1997US5654831 Refractive ellipsoid optical surface without spherical aberration
08/05/1997US5654810 Liquid crystal display apparatus with a particular microlens array
07/1997
07/30/1997EP0786678A1 Devices with micro-mirrors and micro-filters for selecting colours and images
07/30/1997EP0786137A1 Optical random access memory having diffractive simplex imaging lens
07/30/1997EP0674773B1 Improved gas lens
07/29/1997US5652638 Concentric annular ring lens designs for astigmatism
07/23/1997EP0785543A2 Condenser lens for optical disks
07/23/1997EP0750574A4 Flat box system with multiple view optics
07/23/1997EP0530269B1 Microlens screens of photopolymerisable materials and methods of making the same
07/23/1997CN1155334A Zoned lends
07/22/1997US5650879 Lens apparatus
07/22/1997US5650876 Lens system with intermediate optical transmission microlens screen
07/22/1997US5650873 Micropolarization apparatus
07/17/1997WO1997025653A1 Three-dimensional etching process
07/17/1997WO1997021301A3 Image recording system
07/17/1997WO1997015857A3 Unifocal spectacle lens with two aspherical faces
07/16/1997EP0784224A2 A microlens-array, production method thereof, and liquid crystal display device using the same
07/16/1997EP0783711A1 Grin lens and method of manufacturing
07/15/1997US5648874 Optical apparatus
07/15/1997US5648832 Decentered noncorrective lens for eyewear
07/15/1997US5647151 Multi-purpose image display systems
07/09/1997EP0634024B1 Imaging system
07/09/1997CN2257609Y Non-spherical lens
07/09/1997CN1153918A Projection system comprising free form reflector and free form lens
07/08/1997US5645895 Method for painting a vehicle body
07/03/1997WO1997023859A2 Picture display device with two microlens arrays
07/03/1997WO1997023804A1 Multi prism image enhancing lens system and method of making same
07/03/1997CA2241102A1 Multi prism image enhancing lens system and method of making same
07/02/1997EP0782031A1 Multifocal artificial ocular lens with variable light transmission depending on luminous intensity
07/02/1997EP0769189A4 Optical random access memory having multiple state data spots for extended storage capacity
07/02/1997EP0769188A4 Optical random access memory having folded image
07/01/1997US5644431 Directional image transmission sheet and method of making same
07/01/1997US5644122 Grin optical system
07/01/1997US5643504 Method of making a composite glass and resin optical element with an aspheric surface
06/1997
06/26/1997WO1997022991A1 Conductive element with lateral oxidation barrier
06/26/1997WO1997022896A1 A viewing screen and maskless methods for manufacturing
06/25/1997CN1152957A Process and device for determing the refractive index of different mediums
06/25/1997CN1152771A Record reproducing device for optical information recording medium and used lens
06/24/1997US5642449 Fibre optic plate display
06/24/1997US5642228 Resin-molded lens having no sink marks and process for producing same
06/24/1997US5642226 Lenticular optical system
06/24/1997US5641964 Infrared human body detector
06/19/1997WO1997022082A1 Multi-focal vision system
06/19/1997WO1997022032A1 Integrating lens array and image forming method for improved optical efficiency
06/19/1997WO1997022022A1 Holographic optical device and method of manufacture
06/19/1997WO1997022020A1 Lens structure without spherical aberration and stereoscopic camera including such lens structure
06/18/1997CN1152136A Apparatus for projection exposure and method thereof
06/17/1997USRE35534 Fresnel lens with aspheric grooves
06/12/1997WO1997021301A2 Image recording system
06/12/1997WO1997021139A1 Decentered noncorrective lens for eyewear
06/12/1997WO1997021136A1 Decentered noncorrective lens for eyewear
06/12/1997WO1997021126A1 Microsystem module
06/12/1997DE19610881A1 Mikrosystembaustein Micro system block
06/12/1997DE19545484A1 Bildaufnahmeeinrichtung Image recording device
06/12/1997CA2239866A1 Microsystem module
06/12/1997CA2239087A1 Image recording system
06/11/1997EP0503006B1 Method for fabrication of cylindrical microlenses of selected shape and resulting product
06/10/1997US5638215 Objective lens system