Security system for vehicle navigation system and method of detecting identification code

A vehicle navigation system with a security feature capable of detecting that the system has been removed from the vehicle, which uses only one memory for storing an anti-theft code. The navigation system is provided with a GPS receiver containing a clock outputting a time synchronized with present...

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Bibliographische Detailangaben
Hauptverfasser:	ENDO, FUMIHITO
Format:	Patent
Sprache:	eng
Schlagworte:	ADVERTISING ALARM SYSTEMS ANALOGOUS ARRANGEMENTS USING OTHER WAVES APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND,DEAF OR MUTE CRYPTOGRAPHY DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES DIAGRAMS DISPLAY EDUCATION EDUCATIONAL OR DEMONSTRATION APPLIANCES GLOBES GYROSCOPIC INSTRUMENTS LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION ORRERADIATION OF RADIO WAVES MEASURING MEASURING DISTANCES, LEVELS OR BEARINGS NAVIGATION ORDER TELEGRAPHS PHOTOGRAMMETRY OR VIDEOGRAMMETRY PHYSICS PLANETARIA RADIO DIRECTION-FINDING RADIO NAVIGATION SEALS SIGNALLING SIGNALLING OR CALLING SYSTEMS SURVEYING TESTING TRAFFIC CONTROL SYSTEMS
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