Recent Patents in Signal Processing - April 2011

US 7,912,652, "System and method for mutation detection and identification using mixed-base frequencies", by J. Sorenson, filed 13 November 2002, issued 22 March 2011, assigned to Applied Biosystems, LLC. (Carlsbad, CA).

US 7,903,824, "Compact side information for parametric coding of spatial audio", by C. Faller and J. Herre, filed 10 January 2005, issued 8 March 2011, assigned to Agere Systems Inc. (Allentown, PA).

US 7,917,935, "Mechanical pan, tilt and zoom in a webcam", by P. McAlpine, O. Lechnenne, V. Krishnan, P. Miauton, R. Zimmerman and Y-L. Chang filed 1 October 2004, issued 29 March 2011, assigned to Logitech Europe S.A. (CH).

US 7,917,946, "Method and network for securely delivering streaming data", by F. Lindhom, R. Blom, K. Norrman, G. Selander, and M. Natslund filed 10 April 2002, issued 29 March 2011, assigned to Telefonaktiebolaget LM Ericsson. (Stockholm, Sweden).

US 7,917,766, "Stegotext encoder and decoder", by R. Sewell, M. Owen, S. Barlow, and S. Long, filed 9 October 2007, issued 29 March 2011, assigned to Activated Content Corporation. (Seattle, WA).

US 7,917,540, "Nonlinear set to set pattern recognition", by M. Kirby and C. Peterson, filed 22 February 2008, issued 29 March 2011, assigned to Colorado State University Research Foundation. (Fort Collins, CO).

US 7,916,907, "System and methods for transforming biometric image data to a consistent angle of inclination", by R. Beatson and M. Kelty, filed 30 November 2009, issued 29 March 2011, assigned to the authors.

US 7,917,827, "Method of encoding and decoding using LDPC code and apparatus thereof", by K. Chung, and M. Oh, filed 14 September 2005, issued 29 March 2011, assigned to LG Electronics Inc. (Seoul, Korea).

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