Emergency reporting apparatus with self-diagnostic function
First Claim
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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.
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Abstract
A emergency communication device which performs self diagnosing by repeatedly transmitting a weak signal, which can only be received by an antenna, among a plurality of antennas in a fixed time interval. When the weak signal is not received due to the occurrence of an accident, theft or the like, the occurrence of the emergency is communicated to an emergency data receiving center.
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Citations
12 Claims
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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:
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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 Dependent Claims (2, 3, 4, 5, 6, 9, 10)
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7. An emergency communication device provided with a self diagnosing function which transmits emergency data to an emergency data receiving center when a vehicle has encountered an emergency, wherein said emergency communication device comprises
a GPS receiver which detects a vehicle position, a plurality of antennas which are disposed 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 communicating emergency data and vehicle positional data to an emergency data receiving center as a strong signal based on a received signal in said GPS receiver when the weak signal is not received.
Specification