Source: http://www.google.com/patents/US8149221?ie=ISO-8859-1&dq=Frischling
Timestamp: 2014-08-21 13:15:44
Document Index: 775105672

Matched Legal Cases: ['Application No. 2412878', 'Application No. 02253594', 'Application No. 03257166', 'Application No. 04251392', 'Application No. 04711522', 'Application No. 04711522', 'Application No. 04711522', 'Application No. 06019268', 'Application No. 06019269', 'Application No. 07250888', 'Application No. 07701682', 'Application No. 08745663', 'Application No. 08745663', 'Application No. 2005', 'Application No. 2005', 'Application No. 2006', 'Application No. 2006', 'Application No. 2006', 'Application No. 2006', 'Application No. 2007', 'Application No. 2007', 'Application No. 2007', 'Application No. 2007', 'Application No. 10', 'Application No. 10', 'Application No. 201001122']

Patent US8149221 - Touch panel display system with illumination and detection provided from a ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign in<nobr>Advanced Patent Search</nobr>PatentsA touch panel that has a front surface, a rear surface, a plurality of edges and an interior volume. An energy source is positioned in proximity to a first edge of the touch panel and is configured to emit energy that is propagated within the interior volume of the touch panel. A diffusing reflector...http://www.google.com/patents/US8149221?utm_source=gb-gplus-sharePatent US8149221 - Touch panel display system with illumination and detection provided from a single edgeAdvanced Patent SearchPublication numberUS8149221 B2Publication typeGrantApplication numberUS 12/338,237Publication dateApr 3, 2012Filing dateDec 18, 2008Priority dateMay 7, 2004Also published asCA2566103A1, EP1759378A2, EP1759378A4, EP1759378B1, US7538759, US20050248540, US20090122027, WO2005109396A2, WO2005109396A3Publication number12338237, 338237, US 8149221 B2, US 8149221B2, US-B2-8149221, US8149221 B2, US8149221B2InventorsJohn NewtonOriginal AssigneeNext Holdings LimitedExport CitationBiBTeX, EndNote, RefManPatent Citations (101), Non-Patent Citations (116), Referenced by (11), Classifications (10), Legal Events (1) External Links: USPTO, USPTO Assignment, EspacenetTouch panel display system with illumination and detection provided from a single edgeUS 8149221 B2Abstract A touch panel that has a front surface, a rear surface, a plurality of edges and an interior volume. An energy source is positioned in proximity to a first edge of the touch panel and is configured to emit energy that is propagated within the interior volume of the touch panel. A diffusing reflector is positioned in proximity to the front surface of the touch panel for diffusively reflecting at least a portion of the energy that escapes from the interior volume. At least one detector is positioned in proximity to the first edge of the touch panel and is configured to detect intensity levels of the energy that is diffusively reflected across the front surface of the touch panel. Preferably, two detectors are spaced apart from each other in proximity to the first edge of the touch panel, to allow calculation of touch locations using simple triangulation techniques.
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