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Mobile station monitoring system

  • US 5,548,822 A
  • Filed: 06/15/1994
  • Issued: 08/20/1996
  • Est. Priority Date: 06/15/1993
  • Status: Expired due to Fees
First Claim
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1. A mobile station monitoring system comprising:

  • an order station which is a fixed station having communicating means for periodically transmitting a reply demand to a plurality of mobile stations; and

    a plurality of mobile stations each of which hasposition detecting means for detecting its current position,communicating means for transmitting information regarding its current position and operation condition when the reply demand is received and for receiving the current condition and operation condition of other mobile stations,memory means for storing the current position and operation condition of other mobile stations, anddisplaying means for displaying the current position and operation condition of other mobile stations in such a manner that the current position and operation condition of other mobile stations are read from the memory means and imposed on a map corresponding to the vicinity of the current position of other mobile stations.

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