Vehicle tracking

A vehicle tracking system (1) comprises a Global Positioning System (GPS) receiver (2) operative to generate first, GPS, data identifying the vehicle's current position from GPS signals; an On Board Diagnostics (OBD) Hardware Interface (3) operative to generate second, OBD, data identifying the...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	CARY PAUL KNAPTON, PAUL ANTHONY COLLINS
Format:	Patent
Sprache:	eng
Schlagworte:	ANALOGOUS ARRANGEMENTS USING OTHER WAVES DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS RADIO DIRECTION-FINDING RADIO NAVIGATION SURVEYING TESTING
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Beschreibung
Zusammenfassung:	A vehicle tracking system (1) comprises a Global Positioning System (GPS) receiver (2) operative to generate first, GPS, data identifying the vehicle's current position from GPS signals; an On Board Diagnostics (OBD) Hardware Interface (3) operative to generate second, OBD, data identifying the vehicle's current position by using dead reckoning techniques; and arbitration means (4) to arbitrate between the first and second data by performing integrity checks thereon to generate data giving an improved identification of the vehicle's current position. The on board diagnostics unit may also receive data transmitted via the internet. The system may be used to print an expenses form.