1
Eliezer A Sheffer, Marco J Thompson: Vehicle tracking system. Trackmobile, Brown Martin Haller & McClain, June 8, 1993: US05218367 (441 worldwide citation)

A vehicle tracking system makes use of a conventional cellular telephone network including a plurality of fixed cellular transmitter sites each covering a predetermined area. The system includes a plurality of cellular signal processing units for installation at hidden locations in vehicles to be mo ...


2
Alison K Brown, Mark A Sturza: Vehicle tracking system employing global positioning system (GPS) satellites. NAVSYS Corporation, William E Hein, July 6, 1993: US05225842 (435 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 ...


3
Russell R Barton: Vehicle tracking system. Standard Telephones & Cables Public Company, Kerkam Stowell Kondracki & Clarke, December 16, 1986: US04630109 (238 worldwide citation)

A vehicle tracking system for determining the lateral position of a moving vehicle relative to an optically distinct line extending along the roadway on which the vehicle travels. A camera periodically scans the roadway including the optically distinct line thereon. Signals representing successive s ...


4
Kenneth B Welles II, Jerome J Tiemann, Harold W Tomlinson Jr: Mobile tracking units employing motion sensors for reducing power consumption therein. General Electric Company, Marvin Snyder, February 13, 1996: US05491486 (176 worldwide citation)

A mobile tracking unit capable of operating in a power-starved environment for a vehicle tracking system includes a navigation set for generating data corresponding to a respective vehicle position. The navigation set is periodically energized at a selected activation rate F.sub.G while the vehicle ...


5
Martin Kelly Jones: Apparatus and method for monitoring travel of a mobile vehicle. Global Research Systems, Thomas Kayden Horstemeyer & Risley, March 26, 2002: US06363323 (171 worldwide citation)

A vehicle tracking system includes a sensor (e.g., a GPS sensor) and a vehicle control unit (VCU) attached to a vehicle. The sensor determines the vehicle's location based on positioning signals received from a plurality of satellites. The VCU compares the vehicle's location to a predefine ...


6
Martin Kelly Jones: System and method for activation of an advance notification system for monitoring and reporting status of vehicle travel. ArrivalStar, October 4, 2005: US06952645 (153 worldwide citation)

Generally, the present invention automatically monitors the travel of vehicles in response to requests from users at remote locations. In this regard, a user at a remote location submits a vehicle indicator (such as a bus number, for example) and a location indicator (such as a bus stop number, for ...


7
Jeffrey D Haagenstad, Steven M Hamer, Ronald A Hagen, Edmund J Ring, Kim K Christopher, Theodore B Keyes: Vehicle tracking system incorporating traffic signal preemption. Minnesota Mining and Manufacturing Company, Gary L Griswold, Walter N Kirn, Kari H Bartingale, February 11, 1997: US05602739 (115 worldwide citation)

An embedded system controller-based vehicle tracking system using vehicle positioning. An embedded system controller controls a traffic intersection using an optical system. The embedded system controller receives a vehicle location and a vehicle schedule. The embedded system controller calculates w ...


8
James Jefferies, D Scott Christie: Vehicle tracking system. Morrison Law Firm, April 27, 1999: US05898391 (112 worldwide citation)

A vehicle alarm system includes a receiver transmitter subsystem, a G.P.S. subsystem for locating a position and a control CPU. The CPU performs a log and locate function in which it logs a first position of the vehicle once during an armed state of an alarm system and then, in response to the passa ...


9
Paul Andre Roland Savoie, Andre Eric Boulay: Vehicle tracking system using cellular network. Swabey Ogilvy Renault, April 20, 1999: US05895436 (106 worldwide citation)

A vehicle tracking method and system using the cellular network infrastructure is disclosed. A cellular transceiver which is installed in a vehicle that requires tracking, operates on a continuous standby mode to remain constantly accessible to the cellular security provider. The cellular transceive ...


10
Gary D Good: Vehicle service status tracking system and method. U Haul International, Jeffer Mangels Butler & Marmaro, October 23, 2001: US06308120 (77 worldwide citation)

A system and methods to allow multiple stations in geographically dispersed locations to monitor and track vehicle repair record and service status information in a coordinated fashion. In a service area comprised of a number of geographically-bounded service regions, at least one regional communica ...