Recent Patents in Signal Processing - September 2010

US 7,783,058,"System for verifying the identification of a device", by G. Stephan, F. Loeb, J. Howley, L. Leonardo and S. Patterson, filed 10 June 2004, issued 24 August 2010, assigned to Analog Devices, Inc. (Norwood, MA).

US 7,778,836,"System and method of using modular spoken-dialog components", by G. Di Fabbrizio and C. Lewis, filed 19 August 2008, issued 17 August 2010, assigned to AT&T (New York, NY).

US 7,778,718,"Frequency normalization of audio signals", by A. Janke and R. Perkofski, filed 24 May 2005, issued 17 August 2010, assigned to Rockford Corporation (Tempe, AZ).

US 7,778,591,"Radio with backchannel feedback", by A. Van Hoff and M. Ross, filed 6 April 2007, issued 17 August 2010, assigned to Dell Products (Round Rock, TX).

US 7,774,520,"Method and apparatus for maintaining synchronization of audio in a computing system", by U. Hanebutte, R. Forand, P. Sebestian, P. Diefenbaugh, J. Lees and B. Chartrand, filed 17 December 2007, issued 10 August 2010, assigned to Intel Corporation (Santa Clara, CA).

US 7,774,079,"Method and system for receiving and decoding audio signals", by J. Alderson, filed 3 October 2005, issued 10 August 2010, assigned to Sigmatel, Inc. (Austin, TX).

US 7,774,078,"Method and apparatus for audio data analysis in an audio player", by T. Booth and J. Clement, filed 16 September 2005, issued 10 August 2010, assigned to Sony Corporation (Tokyo, Japan) and Sony Electronics (Park Ridge, NJ).

US 7,774,077,"Sequence grabber for audio content", by B. Ford, filed 21 June 2005, issued 10 August 2010, assigned to Apple, Inc. (Cupertino, CA).

US 7,772,480,"Interactive music training and entertainment system and multimedia role playing game platform", by E. Brennan, filed 25 June 2008, issued 10 August 2010, assigned to SonicJam, Inc. (Cupertino, CA).

US 7,769,189,"Preserving noise during editing of a signal", by C. Moulios and N. Bhatt, filed 12 April 2005, issued 3 August 2010, assigned to Apple, Inc. (Cupertino, CA).

US 7,768,420,"Operation and control of wireless appliance networks", by R. Neogi and K. Lee, filed 29 October 2004, issued 3 August 2010, assigned to Intel Corporation (Santa Clara, CA).

Interested in sharing a recent patent you know? Please contact Associate Editor Dr. Shantanu Rane at <rane AT merl.com> with the patent information related to signal processing. We are particularly interested in patents by SPS members issued within the past six months.