Patents
Patents for G02B 3 - Simple or compound lenses (21,564)
02/1994
02/15/1994US5287222 Graded index type plastic optical transmission mediums and the manufacturing method thereof
02/15/1994US5286338 Methods for making microlens arrays
02/15/1994US5286305 Photovoltaic power plant
02/08/1994US5285318 Illumination system having an aspherical lens
02/01/1994US5283694 Line projector lens
01/1994
01/26/1994EP0580112A1 Manufacturing method of glass optical elements having a fine concave and convex pattern and press-molding die therefor
01/25/1994US5282088 Aplanatic microlens and method for making same
01/25/1994CA1326389C Multifocal ophthalmic lens
01/20/1994WO1994001848A1 Device for preventing pseudo lighting phenomenon of signal lamp
01/19/1994EP0579427A1 Single aspheric lens camera
01/18/1994US5280386 Windsheild deflector sheild with lens and/or rearview mirrors
01/11/1994US5278597 Camera with a positive meniscus lens
01/11/1994US5278425 Lens system for moisture sensor device
01/11/1994US5278028 Process for fabricating multi-discrete-phase fresnel lenses
01/06/1994WO1994000781A1 Dispersive microlens
01/06/1994WO1994000780A1 Illumination system having an aspherical lens
01/05/1994EP0577331A2 Gradient index mirror for liquid crystal displays and the like
01/05/1994DE4220705A1 Light beam dividing apparatus forming homogeneous part-beams - has multiple lenses with convex input side and prism-shaped output side followed by collecting lens
01/04/1994US5276538 Display device with micro lens array
01/04/1994US5276478 Method and apparatus for optimizing depth images by adjusting print spacing
12/1993
12/29/1993EP0575993A2 Optical fiber functional device
12/29/1993EP0575885A1 Process for producing polymerization or crosslinking rate-distributed article and process for producing lens, lens array or waveguide using the process
12/28/1993US5274732 Mount for linear lens array
12/28/1993US5274420 Beamsplitter type lens elements with pupil-plane stops for lithographic systems
12/28/1993US5274405 Wide angle viewing system
12/23/1993WO1993025856A1 Platform for recovering solar energy
12/22/1993CN2150565Y 偏光玻璃透镜 Polarized glass lenses
12/22/1993CN1023260C Optical illumination system and projection apparatus comprising such a system
12/22/1993CN1023259C Small aperture multifocal lens
12/21/1993US5272540 Temperature compensating lens system for projection television
12/15/1993EP0574269A1 Projecting type color image display device
12/14/1993US5271075 Fiber optic switch with remote optical powering
12/14/1993US5270859 Optical instrument with micro-lenses
12/14/1993US5269978 Method of manufacturing optical element
12/14/1993US5269867 Method for producing optical device
12/14/1993CA1325304C Casting polymerization process for preparing sulfur-containing urethane resin lens
12/08/1993EP0573219A1 A solid-state imaging device and a method of producing the same
12/07/1993US5268791 Lens system using graded refractive index lens component
12/02/1993DE4217853A1 Device to determine subjective refraction of patient - has lens frame fixed to curve refraction index meter, having patient known optimal refraction set before final adjustment
11/1993
11/30/1993US5267077 Spherical multicomponent optical isolator
11/30/1993US5267063 Gradient index mirror for providing a collimated beam for liquid crystal displays and the like
11/25/1993WO1993023244A1 Lenticular optical system
11/24/1993EP0571320A1 Soft toric contact lens
11/24/1993EP0571088A2 A lighting device and a projection type image display system using the same
11/24/1993EP0570806A2 Method and apparatus for optimizing depth images by adjusting print spacing
11/18/1993EP0569530A1 Biased lenticular sign system
11/16/1993US5262896 Refractive elements with graded properties and methods of making same
11/09/1993US5260828 Methods and means for reducing temperature-induced variations in lenses and lens devices
11/04/1993DE4214654A1 Intensity compensation of optical system, e.g. rotation sensing system, - measuring intensity distribution in plane, associating distribution with that of lens and altering lens characteristics at corresp. points using e.g. pulsed laser.
11/03/1993EP0567896A1 Die for forming a micro-optical element, manufacturing method therefor, micro-optical element and manufacturing method therefor
11/02/1993US5258873 Image-reading device
11/02/1993US5258144 Method of manufacturing a transparent polymer material article with a refractive index gradient
11/02/1993US5258024 Method of manufacture of a lens of transparent polymer having a modulated refractive index
10/1993
10/28/1993WO1993021484A1 Faceted totally internally reflecting lens with curved faces
10/24/1993CA2094560A1 Soft toric contact lens
10/20/1993CN2144314Y Deformed lens for camera
10/19/1993US5255122 Projection lens system for projection type television
10/19/1993US5255113 Pos-objective type optical scanner
10/19/1993US5254390 Plano-convex base sheet for retroreflective articles and method for making same
10/19/1993CA1323229C Diffractive optical imaging lens systems
10/19/1993CA1323221C Multifocal birefringent lens system
10/14/1993WO1993020473A1 Imaging system
10/14/1993WO1993020464A1 Methods and means for reducing temperature-induced variations in lenses and lens devices
10/13/1993EP0564730A1 Image-reading device with plastic lens array
10/13/1993CN1077289A Fluid lens and its making method
10/12/1993US5253323 Method of manufacturing a graded optical transmission medium made of synthetic resin
10/12/1993US5253111 Cemented plastic lens
10/06/1993EP0563874A1 Optical illumination system and projection display apparatus using the same
10/06/1993CN2143337Y 液体透镜 Liquid lens
10/05/1993US5251117 Structure of a diffusing lens for a light emitting diode
10/05/1993US5251067 Fly-eye lens device and lighting system including same
10/05/1993US5250798 Solid state image sensor device with microlenses
09/1993
09/28/1993US5248379 Method to manufacture lenses, optical systems and focusing mirrors by micromachining
09/23/1993DE4307570A1 Semiconductor laser source emitting beam with circular cross-section - produces beam using cylindrical rod lens at right angles to axis of elliptical beam emerging from diode chip
09/21/1993US5247392 Objective lens for producing a radiation focus in the inside of a specimen
09/15/1993EP0560511A2 Free-space optical interconnection arrangement
09/15/1993EP0560180A2 Method and apparatus for recording stereoscopic images and lenticular recording material used therefor
09/14/1993US5245515 Headlight
09/14/1993US5244845 Multipurpose photochromic brown glasses
09/14/1993US5244844 Making sol from silicon alkoxide, aqueous metal salt solution for refractive index-modifying cations; gelling sol to wet gel; eluting salt from gel by solvent immersion yielding salt concentration gradient in gel; immersing wet gel in solvent
09/08/1993EP0559118A1 Fiber optic storage phosphor imaging plate scanner
09/08/1993EP0559110A1 Infrared-sensor with Fresnel lens
09/08/1993CN2141902Y Changeable lens
09/07/1993US5243619 Process wherein several radiation sources, arranged in one row or several rows, are imaged, and apparatus for this purpose
09/07/1993CA1321913C Suspension system for a flexible optical membrane
09/04/1993CA2090717A1 Fiber optic storage phosphor imaging plate scanner
09/01/1993EP0558164A1 Procedure for cutting with laser radiation
09/01/1993EP0557411A1 Base sheet for retroreflective articles and method for making same
09/01/1993EP0221145B1 Indirect ophthalmoscopy lens for use with slit lamp biomicroscope
09/01/1993CN1021990C Multifocals using phase shifting steps
08/1993
08/31/1993CA1321725C Zoom lens
08/31/1993CA1321714C Anamorphic wide angle safety lens
08/25/1993EP0556646A1 Composite ophthalmic lenses and their manufacture
08/24/1993US5239413 Objective lens system for microscopes
08/24/1993US5239412 Solid image pickup device having microlenses
08/24/1993US5239172 Light converging filter and method for manufacturing the same
08/24/1993US5238880 Gelling sol of silicon alkoxide doped with metal alkoxide, immersing in solvent to elute dopant and produce concentration gradient, washing, repeating elution and washing, drying, sintering
08/24/1993US5238856 Method of manufacturing solid-state image pick-up device
08/19/1993WO1993016445A1 Credit card with magnifying lens
08/18/1993EP0556069A1 Liquid crystal display and manufacturing method thereof