| Patents for G02B 3 - Simple or compound lenses (21,564) |
|---|
| 08/18/1993 | EP0555262A1 Method for the fabrication of lenses with a variable refraction index. |
| 08/18/1993 | CN1021851C Multifocal optical device with novel phase zone plate |
| 08/17/1993 | US5237449 Biased lenticular sign system |
| 08/12/1993 | DE4203727A1 Light guide esp. for high-resolution optical LED-type print head - has fibre=optic cross=section converter providing required resolution and separation, arranged opposite focussing elements |
| 08/10/1993 | US5235467 Cylindrical lens and a manufacturing method for the same |
| 08/10/1993 | US5235464 Lens system |
| 08/10/1993 | US5235463 Method for the making of microlenses for optical applications |
| 08/05/1993 | WO1993015422A1 Refractive elements with graded properties and methods of making same |
| 08/05/1993 | DE4302526A1 Relatively thin lens with negative refractive power for use in spectacles - has aspherical surface which is rotationally symmetrical and visibly convex |
| 08/03/1993 | US5233470 Variable lens assembly |
| 08/03/1993 | US5233469 Imaging optical system using index distribution type optical elements |
| 07/28/1993 | EP0552862A1 Fabrication method for lenses, optical systems and focusing mirrors by micromachining |
| 07/27/1993 | US5230990 Method for producing an optical waveguide array using a resist master |
| 07/22/1993 | WO1993013699A1 Image frame |
| 07/22/1993 | CA2127788A1 Image frame |
| 07/20/1993 | US5229885 Infinitely variable focal power lens units precisely matched to varying distances by radar and electronics |
| 07/20/1993 | US5229883 Hybrid binary optics collimation fill optics |
| 07/20/1993 | US5229593 Apparatus and method for safe, free space laser communication |
| 07/20/1993 | US5228772 Solar powered lamp having a cover containing a fresnel lens structure |
| 07/15/1993 | DE4214259C1 Gradient optic mfg. - rotates crucible with molten glass or plastics to disperse heavier mols evenly and radially outwards for refractive index change |
| 07/14/1993 | CN2138304Y Vari-focal lens |
| 07/08/1993 | DE4200087A1 Cylindrical lens focussing optical system for structured exposure - is formed of quartz glass plano-convex elements with juxtaposed edges in path of laser beam |
| 07/06/1993 | US5225935 Optical device having a microlens and a process for making microlenses |
| 07/06/1993 | US5225927 Real image type finder having cemented lens with at least one resin lens element |
| 07/06/1993 | US5224773 Lantern and a lens for the same |
| 06/29/1993 | US5224184 Optical multi-chip interconnect |
| 06/24/1993 | DE4141937A1 Twin axis fresnel lens - has prismatic surface with each step contg. smaller steps running at right angles |
| 06/22/1993 | US5221839 Double bevel gradient-index rod lens optical receiver having high optical return loss |
| 06/17/1993 | DE4206056C1 Light beacon with variable output beam characteristic - determined by annular light dispersal insert fitted within main part of cylindrical lens head |
| 06/16/1993 | EP0494924B1 Method and apparatus for manufacturing aspherically shaped small lenses |
| 06/15/1993 | US5220462 Diode glazing with radiant energy trapping |
| 06/15/1993 | US5220403 Apparatus and a method for high numerical aperture microscopic examination of materials |
| 06/08/1993 | US5218471 High-efficiency, multilevel, diffractive optical elements |
| 06/08/1993 | CA1318799C Multifocals using phase shifting steps |
| 06/02/1993 | CN1072780A 哈哈透镜 Haha lens |
| 06/01/1993 | US5216543 Apparatus and method for patterning a film |
| 05/25/1993 | US5213825 Plastic lens molding apparatus |
| 05/19/1993 | EP0542581A1 Solid state image pickup apparatus having microlenses |
| 05/11/1993 | USRE34251 Multifocal, especially bifocal, intraocular, artificial ophthalmic lens |
| 05/11/1993 | US5210553 Progressive ophthalmic lens with positive distance power |
| 05/11/1993 | US5210400 Solid-state imaging device applicable to high sensitivity color camera and using diffraction gratings |
| 05/05/1993 | EP0539691A2 Nipkow disk for confocal optical scanner |
| 05/05/1993 | CN1071747A Convex solar stove |
| 05/04/1993 | US5208698 Optically-neutral laser shield |
| 05/04/1993 | US5208648 Apparatus and a method for high numerical aperture microscopic examination of materials |
| 04/29/1993 | WO1993008539A1 Electro-optical scanning system |
| 04/29/1993 | WO1993007787A1 Goods detector for checkouts |
| 04/28/1993 | EP0538864A2 Buckminsterfullerenes for optical limiters |
| 04/27/1993 | US5206677 Optical apparatus |
| 04/20/1993 | US5204781 Infinite large-aperture lens system with aspherical surfaces |
| 04/20/1993 | US5204160 Light-collimating film |
| 04/20/1993 | US5203788 Micromotor actuated adjustable focus lens |
| 04/14/1993 | CN2129936Y Multi-layer liquid light regulater between sandwich transparent plate |
| 04/13/1993 | US5202793 Three dimensional image display apparatus |
| 04/13/1993 | US5202791 Optical amplifying apparatus |
| 04/13/1993 | US5202570 Gas detection device |
| 04/13/1993 | US5202567 Optical information transmitting device and method of manufacturing same |
| 04/13/1993 | CA1316026C Method for making a smooth, uniform image of a laser diode array |
| 04/07/1993 | CN2129420Y Multi-picture image lenses |
| 04/06/1993 | US5200858 Uni-directional gradient index of refraction glasses |
| 04/06/1993 | US5200818 Video imaging system with interactive windowing capability |
| 04/06/1993 | US5200010 Method for manufacturing lens array optical system |
| 04/06/1993 | US5199779 Projection-type vehicular headlamp |
| 04/05/1993 | CA2079280A1 Compact, combined light and magnifier apparatus for a hand held computer with video screen |
| 03/31/1993 | EP0534711A1 Biocular eyepiece optical system employing refractive and diffractive optical elements |
| 03/31/1993 | EP0534426A2 Liquid crystal display panel and projector utilizing the same |
| 03/30/1993 | US5198924 Clarity |
| 03/30/1993 | US5198916 Optical pickup |
| 03/30/1993 | US5198845 Apparatus for producing an image of an object (iii) |
| 03/23/1993 | US5195407 Apparatus for making an aspherical lens and a method of making an aspherical lens |
| 03/18/1993 | WO1993005432A1 Wide angle viewing system |
| 03/18/1993 | DE4130238A1 Measuring vol., esp. interior of mouth with upper and lower dentures - projecting light into mouth via deflection device also used to deflect reflected light to evaluation device. |
| 03/16/1993 | US5195159 Optical wavelength converter device |
| 03/10/1993 | EP0530269A1 Improvements in or relating to microlens screens, photopolymerisable materials and artifacts utilising the same. |
| 03/04/1993 | DE4228962A1 Vehicle dashboard instrument magnifying lens assembly - has pref. fresnel lenses with given transverse aberration smaller than observer eye pupil dia. at eye position |
| 03/02/1993 | US5191479 Fresnel lens |
| 03/02/1993 | US5191472 Image display apparatus |
| 02/23/1993 | US5189294 Transform lens with a plurality of sliced lens segments |
| 02/18/1993 | WO1993003404A1 Solar powered lamp having a cover containing a fresnel lens structure |
| 02/18/1993 | WO1993003349A1 Device for optically scanning the surface of an object whose surface is capable of reflecting or scattering light |
| 02/17/1993 | EP0527239A1 Manufacturing method of a graded index type optical transmission element |
| 02/16/1993 | US5187360 Aspheric lens having a plurality of lenslets disposed substantially contiguously in an array |
| 02/04/1993 | DE4125360A1 Flat convex lens prodn., for e.g. laser diode-to-optical fibre coupler - making several lenses with rectangular cross=section from silicon@ wafer and with flat plane parallel or inclined to orthogonal plane |
| 02/03/1993 | CN1068661A Making method of line focus fresnel lens |
| 02/02/1993 | US5184251 Vari-focal lens system |
| 02/02/1993 | US5184224 Television projection screen having anti-static elements |
| 02/02/1993 | US5183722 Heat and solvent resistance |
| 01/26/1993 | US5182672 Finder optical system |
| 01/21/1993 | WO1992022846A3 Process for the production of lenses with a variable refraction index |
| 01/20/1993 | EP0523861A2 Optical device and method of manufacturing the same |
| 01/20/1993 | EP0523825A1 A solid-state imaging device provided with microleuses |
| 01/19/1993 | US5181224 Microoptic lenses |
| 01/12/1993 | US5178636 Tuned fresnel lens for multifocal intraocular applications including small incision surgeries |
| 01/07/1993 | EP0521624A1 Powerless field-corrective lens |
| 12/30/1992 | EP0520008A1 Multifocal bi-refringent lens with matched bi-refringence. |
| 12/29/1992 | US5175786 Distributed refractive index type optical transmission plastic article and method of manufacturing the same |
| 12/23/1992 | WO1992022846A2 Process for the production of lenses with a variable refraction index |
| 12/23/1992 | CA2109936A1 Process for the production of lenses with a variable refraction index |
| 12/22/1992 | US5173810 Light transmitting lens for use with a photoelectric sensor |
| 12/15/1992 | US5172278 Buckminsterfullerenes for optical limiters |