1
Alison K Brown, Mark A Sturza: Vehicle tracking system employing global positioning system (GPS) satellites. NAVSYS Corporation, William E Hein, July 6, 1993: US05225842 (444 worldwide citation)

A tracking system employing global positioning system (GPS) satellites provides extremely accurate position, velocity, and time information for vehicles or any other animate or inanimate object within any mobile radio communication system or information system, including those operating in high rise ...


2
Alison K Brown, Mark A Sturza: GPS tracking system. NAVSYS Corporation, William E Hein, January 3, 1995: US05379224 (304 worldwide citation)

A low cost tracking system employing satellites of the global positioning system (GPS) is suitable for applications involving radiosondes, sonobuoys, and other objects. The tracking system includes a sensor mounted on each object which digitally samples the GPS satellite signals and records them in ...


3
Alison K Brown: GPS precision approach and landing system for aircraft. NAVSYS Corporation, William E Hein, May 10, 1994: US05311194 (130 worldwide citation)

A GPS precision approach and landing system for aircraft employs a fixed ground facility and a single satellite navigation receiver on board the aircraft. The fixed ground facility includes a reference receiver that measures differential corrections to the satellite code and carrier measurements and ...


4
Alison K Brown: Apparatus and method for minimizing multipath signal errors during tracking of GPS satellite signals. Navsys Corporation, William E Hein, April 27, 2004: US06727846 (21 worldwide citation)

A digital GPS receiver includes electronics to detect the presence of multipath GPS signals, determine the direction from which they are received at a multi-element GPS phased array antenna, adaptively generate an antenna pattern to provide gain in the direction of the desired GPS satellite signal, ...


5
Alison K Brown, Peter K Brown, Amir H Matini, John D Norgard: Miniature phased array antenna system. NAVSYS Corporation, William E Hein, June 12, 2001: US06246369 (12 worldwide citation)

A miniature phased array antenna system employs a substrate having a high dielectric constant. A plurality of antenna elements are located on a surface of the substrate, and a superstrate having a high dielectric constant covers the antenna elements. The dielectric constant, thickness, and shape of ...


6
Brown Alison K, Sturza Mark A: Systeme de poursuite de vehicules, utilisant des satellites de positionnement global (gps), (gps) Satellites. Navsys Corporation, Navsys Corporation, SIM & MCBURNEY, December 16, 2003: CA2066831

A tracking system employing global positioning system (GPS) satellites provides extremely accurate position, velocity, and time information for vehicles or any other animate or inanimate object within any mobile radio communication system or information system, including those operating in high rise ...


7
Brown Alison K, Sturza Mark A: Systeme de reperage gps, Gps tracking system. Rexnord Corporation, Navsys Corporation, SIM & MCBURNEY, November 18, 2003: CA2083343

A low cost tracking system employing satellites of the global positioning system (GPS) is suitable for applications involving radiosondes, sonobuoys, and other objects. The tracking system includes a sensor mounted on each object which digitally samples the GPS satellite signals and records them in ...


8
Brown Alison K: Systeme de positionnement de precision et daide a latterrissage pour aeronefs, Gps precision approach and landing system for aircraft. Navsys Corporation, SIM & MCBURNEY, November 19, 2002: CA2105846

A GPS precision approach and landing system for aircraft employs a fixed ground facility and a single satellite navigation receiver on board the aircraft. The fixed ground facility includes a reference receiver that measures differential corrections to the satellite code and carrier measurements and ...