Source: http://www.google.com/patents/US7898524?dq=US+6,313,853
Timestamp: 2017-09-22 08:18:03
Document Index: 456661033

Matched Legal Cases: ['Application No. 200580010487', 'Application No. 200580010487', 'Application No. 200580010487', 'Application No. 200580010487', 'Application No. 200610091123', 'Application No. 200610091123', 'Application No. 200610091123', 'Application No. 200610091123', 'Application No. 200610091123', 'Application No. 200710088276', 'Application No. 200710088276', 'Application No. 102006030260', 'Application No. 102006030260', 'Application No. 1020080587591', 'Application No. 112005000701', 'Application No. 112005000701', 'Application No. 200580010487', 'Application No. 200580010487', 'Application No. 200580010487', 'Application No. 200610091123', 'Application No. 200610091123', 'Application No. 200710088276', 'Application No. 200710088276', 'Application No. 112005000701', 'Application No. 112005000701']

Patent US7898524 - Optical displacement detection over varied surfaces - Google Patents
Embodiments of the present invention enable an optical device to track on a diffusing surface over which a transparent and/or translucent and/or optically smooth surface is placed. Some embodiments are directed towards detecting when an optical device is lifted off the surface it was resting on. Embodiments...http://www.google.com/patents/US7898524?utm_source=gb-gplus-sharePatent US7898524 - Optical displacement detection over varied surfaces
Publication number US7898524 B2
Application number US 11/471,084
Also published as CN1924774A, CN1924774B, DE102006030260A1, US7872639, US20070008286, US20070013661
Publication number 11471084, 471084, US 7898524 B2, US 7898524B2, US-B2-7898524, US7898524 B2, US7898524B2
Inventors Olivier Theytaz, Nicolas Sasselli, Boris Karamata, Nicolas Chauvin
Patent Citations (95), Non-Patent Citations (65), Referenced by (4), Classifications (6), Legal Events (4)
US 7898524 B2
US20020179823 Apr 30, 2001 Dec 5, 2002 Zachary Dietz Image filters and source of illumination for optical navigation upon arbitrary surfaces are selected according to analysis of correlation during navigation
US20070013661 Sep 18, 2006 Jan 18, 2007 Olivier Theytaz Optical displacement detection over varied surfaces
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