Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
12/1987
12/22/1987US4714656 Sheet containing contour-dependent directional image and method for forming the same
12/16/1987EP0248823A1 Optical sensing system.
12/15/1987US4712901 Sharp focus detecting device
12/15/1987US4712886 Lens doublet color-corrected for visible and near-infrared wavelengths
12/15/1987US4712882 Variable focal length lens
11/1987
11/25/1987CN87200331U Micro-groove plastic lens
11/09/1987EP0232332A4 Traffic light lens.
11/05/1987WO1987005709A3 Lens
10/1987
10/28/1987EP0242636A2 Plastic optical transmission medium, process for producing the same and array of lenses using the same
10/27/1987US4702581 Flash device for camera
10/21/1987EP0241558A1 Method of manufacturing gradient index lens
10/20/1987US4701032 Graded refractive index lens system
10/20/1987US4701020 Rear projection screen with improved luminance uniformity
10/07/1987EP0240182A2 A Lens
09/1987
09/29/1987US4696552 Projection device with refractive index distribution type lens
09/29/1987US4696547 Window for shielded enclosure
09/29/1987US4696545 Short focal length imaging device
09/24/1987WO1987005709A2 Lens
09/22/1987US4695719 Apparatus and method for opto-electronic package
09/22/1987US4695135 Information display panel
09/15/1987US4693565 Collimator lens
09/08/1987US4692015 Short focal lens array with multi-magnification properties
09/02/1987EP0234632A1 Matrix for use in a replica process
08/1987
08/25/1987US4689291 Integrated optical device, memory
08/25/1987US4688905 Viewer
08/19/1987EP0232332A1 Traffic light lens.
08/05/1987EP0231029A2 Optical system
08/04/1987US4684222 Small anamorphic lenses and method
08/04/1987US4684221 Graded refractive index single lens system
07/1987
07/30/1987DE3702188A1 Optical magnification changing system
07/21/1987US4681405 Method and lens for producing a wide angle image
07/21/1987CA1224351A1 Integral photosensitive optical device and method
07/14/1987US4679918 Lightweight
07/14/1987US4679912 Binocular eyepiece
07/08/1987EP0227784A1 Infra-red lenses and methods of fabrication
07/07/1987US4678311 Multi-magnification short focal length imaging system
07/01/1987CN86104346A Contact lenses and the mfr. method therefor
06/1987
06/30/1987US4676596 Optical device and document reader using the same
06/23/1987US4675727 Optical color document reading apparatus wherein an image is blurred on a color image sensor to minimize color moire phenomenon effects
06/23/1987US4674843 Gradient index lens
06/18/1987WO1987003681A1 Optical sensing system
06/09/1987US4671625 Optical apparatus for producing a natural, viewable and optically interactive image in free space
06/09/1987US4671623 Aspheric object lens for optical data read-out apparatus
06/03/1987CN86105194A Integral condenser
06/02/1987US4670095 Applying photosensitive material, selective illumination
05/1987
05/27/1987EP0223310A2 Fresnel lens for projection screens
05/27/1987CN86104848A Optical scanning device for electric magnetic suspension lens flat moving and angle position measuring system
05/26/1987US4668056 Single lens having one aspherical surface
05/26/1987US4668055 Lens for an optical recording/reproducing apparatus and optical recording/reproducing apparatus using same
05/26/1987US4668053 Collimator lens
05/13/1987CN86105331A Refracting solar energy concentrator and thin flexible fresnel lens
05/12/1987US4664479 Dynamic scattering, guest host, non-glaring reflector
05/05/1987US4662735 Plastic lens elements supporting structure
05/05/1987US4662728 Light guide apparatus
05/05/1987US4662717 Lens and lens holding devices
04/1987
04/29/1987EP0219647A1 Integrating optical condensor
04/28/1987US4660972 Arrangement for visualizing the cores of optical waveguides
04/28/1987US4660933 Lens driving device
04/14/1987US4657354 A molding of glass having acrylate layers of varing contractions and setting times; surface shape durability
04/14/1987US4657352 Image optical system including a non-spherical single lens
04/14/1987US4657344 Method of fabricating a light-diffracting structural component
04/09/1987WO1987002146A1 Method of manufacturing gradient index lens
04/08/1987EP0217741A2 Holding facility for an imaging or objective frame for a compartment camera
04/07/1987US4655565 Ophthalmic lenses with diffractive power
04/07/1987US4655556 Lens system for optical disks
04/01/1987EP0216626A2 Sheet containing contour-dependent directional image and method for forming the same
04/01/1987EP0216562A2 Refracting solar energy concentrator and thin flexible fresnel lens
03/1987
03/24/1987CA1219479A1 Optical system
03/24/1987CA1219413A1 Image-transmitting synthetic resin rod and process for producing the same
03/17/1987US4650292 Analytic function optical component
03/17/1987US4650275 Thin plastic corrector lenses for optical systems
03/04/1987EP0213078A2 Compartment camera
03/04/1987EP0212616A2 Intraocular lens
03/03/1987US4647519 Negative-working photoresist method of making rear-projection television screen viewing surface
03/03/1987US4647159 Gradient index type single lens
02/1987
02/24/1987US4645523 Fresnel lens fabrication
02/18/1987CN85101329A Zoom lens of reduced total length
02/17/1987US4643911 Method for forming light-shield coat on lenses
02/17/1987US4643752 Cutting, etching, and depositing concentric, alternating layers
02/17/1987US4643555 Camera with switchable focal length
02/17/1987US4643535 Optical information recording/reproducing element
02/17/1987US4643534 Optical transmission filter for far field beam correction
02/12/1987WO1987000908A1 Traffic light lens
02/10/1987US4641929 Biaspherical lens
02/10/1987US4641927 Chromatic aberration corrected gradient index lens system
02/03/1987US4640699 Process for producing glass product having gradient of refractive index
02/03/1987US4640593 Progressive multifocal ophthalmic lenses
02/03/1987US4640585 Semiconductor thin film lens
02/03/1987US4640573 Lens-on-disc type optical scanning apparatus
01/1987
01/31/1987CN85102094A Lens with one non-spherical face
01/27/1987US4639094 Gradient index lens system
01/27/1987CA1217079A1 Negative-working photoresist composition for use on a polymethyl methacrylate surface
01/20/1987US4638471 Optical scanning unit comprising a translational-position and angular-position detection system for an electro-magnetically suspended objective
01/20/1987US4638110 Methods and apparatus relating to photovoltaic semiconductor devices
01/15/1987WO1987000297A1 Infra-red lenses and methods of fabrication
01/14/1987EP0208159A2 Process for Producing an optical Transmission Medium
01/13/1987US4636049 Concentric bifocal contact lens
01/06/1987US4634233 Method of forming a light source by the use of a refractive index distribution type lens and light source device
12/1986
12/30/1986US4632522 Optical system of variable magnification and a method for varying magnification of the same
12/30/1986EP0206812A2 Cathode ray tube apparatus