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Remote vehicle monitoring system and vehicle-mounted device therefor

  • US 6,608,553 B2
  • Filed: 09/05/2001
  • Issued: 08/19/2003
  • Est. Priority Date: 09/27/2000
  • Status: Active Grant
First Claim
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1. A vehicle-mounted device for a remote vehicle monitoring system having an external monitor station, the device comprising:

  • position specifying means for specifying a present position of a vehicle;

    communication means for radio-communicating with the external monitor station by using a car phone; and

    control means for controlling radio communication of the present position between the communication means and the monitor station, wherein the control means is constructed to check an opponent of communication when receiving a call in the course of communication of the communication means, and wherein the control means is constructed to interrupt communication between the communication means and the opponent when the opponent is other than the monitor station and connect the communication means to the monitor station in response to a call from the monitor station, even when the communication means is in the course of communication with the opponent other than the monitor station.

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