Did You Know...
...that Thomas Edison's patent application on his phonograph was approved by the Patent Office in just seven weeks? In contrast, it took Gordon Gould, the inventor of the laser, 30 years to obtain his patent -- finally awarded in 1988!
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| Number | Title | Issue Date |
| 7274412 | Stereoscopic imaging assembly employing a flat panel display A stereoscopic imaging assembly for converting true visual images of a real-life subject to a stereoscopic image includes a display and an analyzer. The display is preferably a liquid crystal display, which includes first image pixels, second image pixels, and a pol... | 09/25/2007 |
| 7071927 | Resistive touch panel using removable, tensioned top layer Sunlight can damage a conventional touch screen display and cause the display to be quite difficult to read. Furthermore, conventional touch screen displays are easily damaged, and, once damaged, the entire touch screen is replaced. To address these concerns, a touc... | 07/04/2006 |
| 6692137 | Display system using a hybrid backlight reflector The present technique relates to a method and apparatus of illuminating a display, which has a display screen, a plurality of lamps and reflector containing both specular and diffuse surfaces. The technique provides a relatively small area specular reflec... | 02/17/2004 |
| 6677934 | Infrared touch panel with improved sunlight rejection Ambient light can saturate the light detectors of a touch screen and cause unreliable operation. To address this concern, one or more filters may be placed proximate the detectors. A first filter may be a spatial filter, such as a microlouvre filter. A mi... | 01/13/2004 |
| 6664950 | Resistive touch panel using removable, tensioned top layer Sunlight can damage a conventional touch screen display and cause the display to be quite difficult to read. Furthermore, conventional touch screen displays are easily damaged, and, once damaged, the entire touch screen is replaced. To address these conce... | 12/16/2003 |
| 6626562 | Low profile backlight optimized for liquid crystal displays An apparatus is disclosed that provides back light for liquid crystal displays ("LCD"). The apparatus includes an electrodeless lamp disposed in a cabinet for generating light; and a reflector disposed on one side of the electrodeless lamp for directing l... | 09/30/2003 |
| 6624593 | Dimmable ballast for electrodeless fluorescent lamps An apparatus for controlling the brightness of an electrodeless fluorescent lamp excited by power supplied to a coil disposed in closed proximity to said lamp. The apparatus includes a dimming control unit responsive to a brightness setting for the lamp t... | 09/23/2003 |
| 6512512 | Touch panel with improved optical performance Sunlight can damage a conventional touch screen display and cause the display to be quite difficult to read. Furthermore, conventional touch screen displays are easily damaged, and, once damaged, the entire touch screen is replaced. To address these conce... | 01/28/2003 |
| 5604510 | Liquid crystal display drive with voltage translation The drive voltage (VDATA -VREF) across an active matrix liquid crystal display module (24) is reversed on alternate frames or alternate lines by using a fixed voltage level (VREF) at one side of the LCD module and shifting... | 02/18/1997 |
