| Patents for G02B 25 - Eyepieces; Magnifying glasses (3,063) |
|---|
| 12/14/1993 | US5270758 Waist level finder optical system |
| 12/07/1993 | US5267716 Mount for magnifying lens |
| 11/16/1993 | US5262901 Door viewer |
| 10/20/1993 | EP0566003A1 Focusable virtual image display |
| 10/19/1993 | US5255121 Ultra-wide field eyepiece for microscopes |
| 10/06/1993 | CN2143339Y Magnifier on head with a projector lamp |
| 08/24/1993 | US5239416 Variable power zoom stand magnifier |
| 08/24/1993 | US5239354 Method and apparatus for the positive identification of a natural pearl and for measuring the thickness of the nacre coating of cultured pearls |
| 08/19/1993 | WO1993016445A1 Credit card with magnifying lens |
| 08/11/1993 | CN1075214A Discriminating method and apparatus for fine difference of images |
| 08/05/1993 | DE4302514A1 Lens system for eyepiece of optical instrument - has positive lens group and correction lens with aspherical surface on incident side of lens group |
| 08/02/1993 | CA2088279A1 Method and device to detect small differences between two images |
| 07/13/1993 | US5227918 Wide field eyepiece lens system |
| 06/24/1993 | WO1993012451A1 Magnified mirror |
| 06/22/1993 | US5221992 Door viewer including inner tube encasing object lenses and ocular lens and including a rubberized flexible hood |
| 06/15/1993 | US5220453 Telescopic spectacles with coaxial illumination |
| 06/10/1993 | WO1993011454A1 Binocular bent-axis loupes |
| 06/08/1993 | US5217295 Light apparatus and method for illuminating a compact computer video screen |
| 06/03/1993 | DE4139685A1 Lens system for eye-piece of optical instrument - is formed from groups of lenses mounted in common optical axis |
| 05/25/1993 | US5214533 Portable monocular with high magnification |
| 05/05/1993 | EP0540307A1 A spyhole viewer |
| 05/05/1993 | EP0539699A2 Portable communications receiver with miniature virtual image display |
| 05/05/1993 | EP0345312B1 Portable monocular with high magnification |
| 05/02/1993 | CA2081845A1 Spyhole viewer |
| 04/27/1993 | US5206675 Real image mode finder optical system |
| 04/21/1993 | CN1071291A Portable communications receiver with miniature virtual image display |
| 04/20/1993 | US5204775 Device for magnifying indicia printed on a container |
| 04/13/1993 | US5202795 Eyepieces |
| 04/07/1993 | EP0535805A1 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 | CN2129015Y Multi-function implement for collecting stamps |
| 03/30/1993 | CA1315426C Miniature video display system |
| 03/24/1993 | CN1070244A Door viewer |
| 03/23/1993 | US5196964 Magnifier |
| 03/09/1993 | US5193032 Universal prescription bottle instruction label magnifier |
| 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 | US5191480 Optical accessory for digitizer cursors |
| 03/02/1993 | US5191470 Monocular optical inspection system with long eye relief and enhanced depth perception |
| 02/17/1993 | EP0527262A1 Telescope with detachable ocular lens |
| 02/17/1993 | EP0527198A1 Lens system. |
| 02/04/1993 | DE4220275A1 Magnifying glass which can be held by handle - has rings mounted to rotate relative to each other and have flaps to form handle which can be folded to form supporting legs |
| 12/23/1992 | WO1992022885A1 Improvements in viewer assemblies and in viewable material adapted thereto |
| 12/23/1992 | WO1992022843A1 Magnifier apparatus and method for hand held video display |
| 12/23/1992 | CA2111475A1 Improvements in viewer assemblies and in viewable material adapted thereto |
| 12/22/1992 | US5173721 For use by competitors in target shooting |
| 12/02/1992 | EP0491717A4 Light apparatus for use with a compact computer video screen |
| 12/01/1992 | US5168405 Optical magnifier apparatus |
| 11/24/1992 | US5165779 Compact combined light and magnifier apparatus for a hand-held computer with video screen and method |
| 11/11/1992 | CN1066030A Vehical astern running view mirror and its manufacturing method |
| 11/10/1992 | US5162945 Ocular lens system |
| 10/21/1992 | CN2119669U Magnifying door spyhole with three convex and three concave glasses |
| 09/29/1992 | US5151823 Biocular eyepiece optical system employing refractive and diffractive optical elements |
| 09/22/1992 | US5150261 Combined screwdriver and magnifying glass |
| 09/08/1992 | US5146288 For determining whether a pearl is natural |
| 09/03/1992 | WO1992015039A1 Telescopic spectacles with coaxial illumination |
| 09/02/1992 | CN2114839U Reading magnifying glass |
| 09/01/1992 | US5144349 Real image mode variable magnification finder optical system |
| 08/26/1992 | CN2114175U External magnifying glasses |
| 08/26/1992 | CN2114174U Small fluorescent screen magnifying glasses |
| 08/11/1992 | US5138487 Door viewer |
| 07/14/1992 | US5130907 Light apparatus for use with a compact computer video screen |
| 07/14/1992 | US5130853 Adjustable magnifying device for hand-held video display apparatus and the like |
| 07/01/1992 | EP0491717A1 Light apparatus for use with a compact computer video screen. |
| 06/23/1992 | US5124837 Finder of real image type |
| 06/03/1992 | CN2106376U Magnifier for reading and writing |
| 06/02/1992 | US5119239 Magnifier apparatus and method for hand held video display |
| 05/26/1992 | US5117339 Compact combined light and magnifier apparatus for a hand held computer with video screen |
| 05/06/1992 | EP0215118B1 Compact see-through night vision goggles |
| 04/29/1992 | CN2103152U Super-thin magnifying glass lens |
| 04/08/1992 | EP0478802A1 Auxiliary image-observing device for portable liquid crystal display system |
| 04/07/1992 | CA1298500C Compact see-through night vision goggles |
| 02/25/1992 | US5091832 Light apparatus for use with a compact computer video screen |
| 02/25/1992 | US5091803 Magnifying attachment for flashlight with dark field illumination |
| 02/11/1992 | US5087116 Reflective image display including a first mirror and a Fresnel mirror |
| 02/11/1992 | US5087112 Optical magnifier apparatus |
| 02/04/1992 | US5086353 Variable magnification viewfinder optical system |
| 01/12/1992 | WO1992001193A1 Light apparatus for use with a compact computer video screen |
| 01/07/1992 | US5078470 One-way peephole |
| 01/07/1992 | US5078469 Optical system which allows coincident viewing, illuminating and photographing |
| 12/25/1991 | CN1015210B Wide vision field portable binoculars |
| 12/24/1991 | US5075799 Magnifying lens attachment for information display selective call receiver |
| 11/19/1991 | US5066115 View-finding optical system capable of eyesight adjustment |
| 11/14/1991 | WO1991017465A1 Lens system |
| 11/14/1991 | CA2081329A1 Lens system |
| 10/31/1991 | WO1991016649A1 Auxiliary image-observing device for portable liquid crystal display system |
| 10/30/1991 | EP0453755A1 High-power magnifying achromatic lens system |
| 10/29/1991 | US5061052 Television picture enhancement device |
| 10/22/1991 | US5059004 Eyepiece system |
| 10/01/1991 | US5052787 Zoom finder |
| 09/25/1991 | CN2085526U Bookmark type magnifying glass |
| 09/18/1991 | CN2085069U Miniature stereo-magnifier |
| 09/18/1991 | CN2085068U Table magnifier |
| 09/17/1991 | US5048928 Computer screen magnifier |
| 09/12/1991 | DE3926442A1 Magnifying glass illumination system - uses lamps contained in annular channel in underside of housing enclosing magnifying lens |
| 08/06/1991 | US5038258 Illuminating arrangement for illuminating an object with incident light |
| 06/26/1991 | CN2079763U Multipurpose magnifying glasses with means for illuminating object viewed |
| 06/04/1991 | US5021933 Illuminated magnifying glass |
| 05/02/1991 | WO1991006025A1 Optical system which allows coincident viewing, illuminating and photographing |
| 04/17/1991 | EP0422334A1 Scientific ruler |
| 04/09/1991 | US5005955 Keplerian zoom finder optical system |