Granted Patents
File Date Appl #  Priority Data  Patent # Grant Date  Title
Jan 14, 2004 10/757902 2005/0151543 6,982,559 Jan 3, 2006 Accurate and efficient sensing circuit and method for bi-directional signals
Jan 20, 2005 11/041137 ----- 7,060,924  Jun 13, 2006 Dual tactility keypad switch
Dec 12, 2005 11/301963 2006/0097731 7,071,677 Jul 4, 2006 Accurate and efficient sensing method for bi-directional signals
Jul 30, 2004 10/903984 2006/0023381 7,139,157 Nov 21, 2006 System and method for protecting a load from a voltage source
Feb 8, 2006 11/350597 2007/0182449 7,288,962 Oct 30, 2007 Level shifting multiplexing circuit for connecting a two conductor full duplex bus to a bidirectional single conductor bus
Aug 25, 2005 11/212834 ----- 7,409,236 Aug 5, 2008 Portable communication device with extendable visual display
Sep 16, 2005 11/228864 2007/0064768 7,413,343 Aug 19, 2008 Apparatus for determining a temperature sensing element
Aug 2, 2006 11/498457 2008/0030381 7,420,477 Sep 2. 2008 Method for an enhanced absolute position sensor system
Sep 7, 2006 11/470747 2008/0079446 7,508,225 Mar 24, 2009 Apparatus, system and method for identification with temperature dependent resistive device
Apr 1, 2008 12/060540 2009/0248932 7,752,365 Jul 6, 2010 Bi-directional single conductor interrupt line for communication bus
Open Applications
File Date Appl #  Priority Data  Patent # Grant Date  Title
Sep 27, 2007 11/682840 2007/0226497 ----- ----- Communication protocol for device authentication
Aug 21, 2008 11/677480 2008/0198898 ----- ----- Apparatus, system and method for high resolution identification with temperature dependent resistive device
Jan 8, 2009 11/773188 2009/0009919 ----- ----- Resettable short-circuit protection circuit
Nov 12, 2009 12/119209 2009/0281760 ----- ----- Apparatus and method for determining a temperature of a temperature sensing element
Withdrawn / Abandoned
File Date Appl #  Priority Data  Patent # Grant Date  Title
Feb 8, 2006 11/350597 ----- 7,248,074 Jul 24, 2007 Level shifting multiplexing circuit for connecting a two conductor full duplex bus to a bidirectional single conductor bus
Jun 14, 2007  11/297077  2007/0135092 ----- ----- Method and apparatus for authenticating a mobile phone accessory
Dec 4, 2008 11/755674 2008/0297205 ----- ----- Switch de-bouncing device and method
 
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 This page last updated on July 21, 2010