For our August 2014 issue, we cover recent patents granted in the area of passive radar systems. The section below covers patents granted recently for passive radar related signal processing methods focusing on activity detection, sport monitoring, radar based surveillance, object detection and tracking. Number: 8,779,966 Title:  Remote interrogation for detection of activity or living organisms inside electronically conductive containers   Inventors: F. Mohamadi, M. Oijala, P. Strauch Issued: July 15, 2014 Assignee: Tialinx, Inc. (Irvine, CA) Number: 8,771,148 Title: Athletic performance monitoring systems and methods in a team sports environment   Inventors: S. Balakrishnan, S. Holmes and A.B.Weast Issued: July 8, 2014 Assignee: Nike Inc. (Beaverton, OR, USA) Number: 8,768,611 Title: Object detection and position determination by reflected global navigation satellite system signals Inventors: Y.G. Sosulin, D.V. Tatarnikov Issued: July 1, 2014 Assignee: Topcon Positioning Systems Inc. (Livermore, CA) Number: 8,754,811 Title: Digital beamforming phased array   Inventors: Uscinowicz; Michael (Hainesport, NJ), Tanjutco; Fred (Cherry Hill, NJ), Heruska; William (Edison, NJ) Issued: June 17, 2014 Assignee: Lockheed Martin Corporation (Bethesda, MD) Number: 8,730,087 Title: Passive radar for presence and motion detection Inventors: A. Filippi, B. Nair, S. Kumar, W.F. Pasveer, T.M.J. van Berkel Issued: May 20, 2014 Assignee: Koninklijke Philips N.V. (Eindhoven, NL) Number: 8,718,674 Title: Method for locating a source by multi-channel estimation of the TDOA and FDOA of its multipath components with or without AOA Inventors: C. Germond, A. Ferreol Issued: May 6, 2014 Assignee: THALES (Neuilly sur Seine, FR) Number: 8,712,098 Title: Method and system for detecting target objects Inventors: A. Bodenmueller Issued: April 29, 2014 Assignee: Eads Deutschland GmbH (Ottobrunn, DE) Number: 8,704,699 Title: Dipole based decoy system Inventors: C.E. Geswender Issued: April 22, 2014 Assignee: Raytheon Company (Waltham, MA) Number: 8,672,810 Title: Athletic performance monitoring systems and methods in a team sports environment   Inventors: J. Molyneux, A.B. Weast, B.S. Burroughs Issued: March 18, 2014 Assignee: NIKE, Inc. (Beaverton, OR) Number: 8,659,477 Title: Base station device and distance measuring method Inventors: T. Fukagawa, Y. Kimura, Y. Nakagawa, H. Mukai Issued: February 25, 2014 Assignee: Panasonic Corporation (Osaka, JP) Number: 8,654,007 Title: Multi-target data processing for multi-static and multi-channel passive radars   Inventors: S. Allam, E. De Gramont, W. Greverie, J-C. Deltour, M. Klein Issued: February 18, 2014 Assignee: Thales (FR) Number: 8,643,534 Title: System for sensing aircraft and other objects Inventors: J. Margolin Issued: February 4, 2014 If you have an interesting patent to share when we next feature patents related to passive radar signal processing, or if you are especially interested in a signal processing research field that you would want to be highlighted in this section, please send email to Csaba Benedek (benedek.csaba AT sztaki DOT mta DOT hu).