×

Location of missing vehicles

  • US 5,418,537 A
  • Filed: 11/18/1992
  • Issued: 05/23/1995
  • Est. Priority Date: 11/18/1992
  • Status: Expired due to Fees
First Claim
Patent Images

1. Apparatus for determining the present location of a missing vehicle, the apparatus comprising:

  • a GPS signal antenna and receiver/processor, connected to the antenna, attached to a vehicle, to receive and process GPS signals to determine the present location of the vehicle to which the antenna and receiver/processor are attached;

    an event sensor that determines when a selected trigger event involving the vehicle has occurred and issuing a sensor output signal when that event occurs;

    controller means, connected to the GPS receiver/processor and to the event sensor, for receiving the event sensor output signal and, in response thereto, for issuing a first output signal that is received by the GPS receiver/processor that commands the receiver/processor to determine and issue as an output signal the present location of the receiver/processor, and for receiving the receiver/processor output signal representing present location of the receiver/processor and issuing this present location information as a second output signal;

    a cellular telephone, connected to the controller means, for receiving the controller means second output signal and, in response thereto, for transmitting the controller means second output signal to a selected telephone number; and

    a power supply to deliver electrical power to at least one of the receiver/processor, the event sensor, the controller means and the cellular transmitter,where the receiver/processor, the event sensor, the controller means, and the cellular telephone are all carried on the vehicle whose present location is to be determined.

View all claims
  • 3 Assignments
Timeline View
Assignment View
    ×
    ×