×

Emergency reporting apparatus with self-diagnostic function

  • US 6,426,693 B1
  • Filed: 11/18/1999
  • Issued: 07/30/2002
  • Est. Priority Date: 07/30/1998
  • Status: Expired due to Fees
First Claim
Patent Images

1. An emergency communication device which performs emergency communication when a vehicle has encountered an emergency situation, said emergency communication device being provided with a self diagnosing function and comprising:

  • a plurality of antennas which are provided in said vehicle, and communication means for repeatedly transmitting and receiving a weak signal between selected ones of said plurality of antennas without communicating with a remote device, and reporting the occurrence of an emergency to an emergency communication receiving center as a strong signal when transmission and reception of the weak signal is not achieved.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×