Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
01/1998
01/13/1998US5707684 Dropping liquid resin to a surface, coalescence and solidification to form a microlens
01/07/1998EP0815430A1 Container flange inspection system using an annular lens
01/07/1998EP0664891B1 Process and device for producing optical lenses or the like
01/02/1998DE19726284A1 Camera flash with option for altering angle of object illumination e.g. for still conventional and digital cameras
12/1997
12/31/1997CN1168983A Radiation-proof microcomputer terminal image enlarger
12/30/1997US5703862 Dual focus objective lens with two curvatures for focussing light on two different kinds of disks with different thicknesses
12/30/1997US5703723 Optical system comprising graded refractive index lens element
12/30/1997US5703722 Segmented axial gradinet array lens
12/30/1997US5703721 Optical magnifier
12/30/1997US5703351 Autofocus module having a diffractively achromatized toroidal lens
12/29/1997EP0814300A1 Surface light source device and liquid crystal display device using the same
12/29/1997EP0813697A1 Decentered noncorrective lens for eyewear
12/17/1997EP0813090A2 Optical scanning device
12/17/1997EP0813079A2 A diffractive/refractive lenslet array incorporating a second aspheric surface
12/17/1997EP0813078A2 Devices with micro-filters and micro-choppers for dynamic selection of colours and images
12/17/1997EP0647326A4 Dispersive microlens.
12/17/1997CN1167924A Long focal length projection lenses
12/16/1997US5699190 Lenticular media having spatially encoded portions
12/16/1997US5699142 Diffractive multifocal ophthalmic lens
12/10/1997EP0811221A2 Picture display device with two microlens arrays
12/10/1997EP0811178A1 Integrating lens array and image forming method for improved optical efficiency
12/10/1997CN1167264A Optical element, shaping mould for optical element and shaping method thereof
12/09/1997US5697006 Method and apparatus for recording stereoscopic images and lenticular recording material used therefor
12/09/1997US5696371 Diffractive/refractive lenslet array
12/04/1997WO1997045758A1 Method of providing diffuse risers on a fresnel lens die
12/04/1997DE19621262A1 Colour error free imaging round micro=lens for e.g. small camera
12/03/1997EP0809816A1 Lenticular optical system
12/03/1997EP0809814A1 Arbitrarily wide lens array with an image field to span the width of a substrate
12/03/1997EP0710366A4 Gradient index lens elements
12/03/1997CN1166609A Concentric annular ring lens designs for astigmatic presbyopes
12/02/1997US5694249 Three-dimensional optical memory element and method of writing information therein
12/02/1997US5694246 Method of manufacturing lens array
12/02/1997CA2103657C Optical element such as a rear projection screen for an image display device and method of producing same
11/1997
11/27/1997WO1997044689A1 Improved diffractive multifocal ophthalmic lens
11/27/1997WO1997044688A1 Method for correcting a lens optical aberration
11/27/1997DE19621263A1 Cylindrical collecting microlens for collecting light at focus line e.g. for communication optical signal processing
11/26/1997EP0809124A2 A diffractive/refractive lenslet array
11/26/1997EP0808475A1 Decentered noncorrective lens for eyewear
11/26/1997EP0808470A1 Lens structure without spherical aberration and stereoscopic camera including such lens structure
11/26/1997EP0808439A1 Prismatic toroidal lens and traffic signal light using this lens
11/26/1997CN1166153A Mold for molding a resin lens and resin lens produced by using the same mold
11/25/1997US5691834 Ultra compact scanning system for a wide range of speeds, angles and field depth
11/25/1997US5691548 Solid state imaging device having high sensitivity and exhibiting high degree of light utilization and method of manufacturing the same
11/25/1997US5691116 Pattern transfer techniques for fabrication of lenslet arrays for solid state imagers
11/25/1997US5690772 Method for mass-producing eccentric Fresnel lens sheets
11/20/1997WO1997043731A1 Beam shaping system with surface treated lens
11/20/1997DE19648063A1 Microlens patterning mask for solid state image sensor
11/19/1997EP0807842A2 Optical arrangement with diffractive optical element
11/19/1997CN1165370A Objective lens
11/19/1997CN1165309A Concentric ring single vision lens designs
11/18/1997US5689521 Semiconductor laser light source unit
11/18/1997US5689374 GRIN lens and method of manufacturing
11/18/1997US5689323 Decentered noncorrective lens for eyewear
11/18/1997US5688044 Vehicular lamp having improved light distribution pattern
11/13/1997WO1997042530A1 Refractive index gradient lens
11/13/1997WO1997042452A1 New liquid modulated lens for condensing solar energy
11/12/1997EP0806694A2 Neural network analysis for multifocal contact lens design
11/12/1997EP0806039A1 Lens device and an optical pickup apparatus using the lens device
11/12/1997CN1164918A Lens device and optical pickup apparatus using the lens device
11/12/1997CN1164652A Aspheric toric lens designs
11/11/1997US5687022 Mid-wave infrared lens system with liquid optical element
11/11/1997US5686957 For electronic imaging/manipulation of a hemispheric field of view
11/06/1997DE19617604A1 Writing implement, e.g. pen or pencil, with magnifier
11/05/1997EP0692103B1 Condensers for overhead projectors
11/04/1997US5684852 X-ray lens
11/04/1997US5684641 Objective lens and optical head apparatus using the objective lens
11/04/1997US5684637 Fluid filled and pressurized lens with flexible optical boundary having variable focal length
11/04/1997US5684636 Polymer-optical liquid matrix for use as a lens element
11/04/1997US5684560 Concentric ring single vision lens designs
11/04/1997US5683480 Silicon alcoholate
11/04/1997US5683175 Lenticulated lens
10/1997
10/30/1997WO1997040385A1 Light-controlled electrokinetic assembly of particles near surfaces
10/29/1997EP0803744A2 Transparent polyurethane lens free of optical strain and striae
10/29/1997EP0803743A2 Process for the production of polyurethane lens
10/29/1997EP0644995B1 Platform for recovering solar energy
10/28/1997US5682268 Gas lens
10/28/1997US5682263 Broad-band ultraviolet lens systems well-corrected for chromatic aberration
10/28/1997US5682223 Multifocal lens designs with intermediate optical powers
10/28/1997US5682203 For use with a substrate
10/22/1997EP0802431A2 Process for the production of polyurethane lens
10/22/1997EP0801763A2 3-d imaging system
10/22/1997EP0755526A4 Spectacles using variable focal length lenses which have an arbitrarily shaped periphery
10/22/1997CN1162748A Concentric annular ring lens designs for astigmatism
10/22/1997CN1162747A Multifocal ophthalmic lens
10/21/1997US5680261 Wide angle lens apparatus for vehicle rear window
10/21/1997US5680231 Holographic lenses with wide angular and spectral bandwidths for use in a color display device
10/16/1997WO1997038333A1 Optical components with a graded-index structure, and method of manufacturing such components
10/15/1997EP0801319A1 Outgoing efficiency control device, projection type display apparatus, infrared sensor and non-contact thermometer
10/15/1997EP0800662A2 Unifocal spectacle lens with two aspherical faces
10/14/1997US5677796 Luneberg lens and method of constructing same
10/14/1997US5677697 Millimeter wave arrays using Rotman lens and optical heterodyne
10/14/1997US5676804 Method for fabricating fresnel lenses by selective application and removal of films on lens surfaces
10/14/1997US5676453 Collimating TIR lens devices employing fluorescent light sources
10/09/1997DE19613755A1 Optical coupler for light guide structures
10/09/1997DE19613645A1 Optische Bauteile mit Gradientenstruktur und Verfahren zu deren Herstellung Optical parts with a gradient structure and process for their preparation
10/08/1997EP0800097A2 Solar protection glazing
10/08/1997EP0800096A1 Method for deciding parameters for dyeing lenses and method for producing colored lenses
10/07/1997US5675349 Durable, lightweight, radar lens antenna
10/02/1997WO1997036193A1 Opto-electronic imaging system for industrial applications
10/02/1997WO1997035811A1 A laser processing method for a glass substrate, and a diffraction grating and a microlens array obtained therefrom