Patent ID: 11884208
Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Field: Control (Instruments)
Classification: CPC B  G | IPC B  G

Claim 0:
1. A danger detection system configured to detect a danger on a road, the danger that changes with a time-series change and may become less dangerous due to the time-series change, the danger detection system comprising:
a vibration acquisition unit configured to acquire an acoustic signal collected by a microphone mounted on a vehicle when the vehicle passes through a region on a predetermined road;
a danger determination unit configured to determine whether the acoustic signal is derived from the danger;
a danger location detection unit configured to determine whether the danger is present in the region on the predetermined road based on the number of times an acoustic signal acquired from each of a plurality of the vehicles is determined to be derived from the danger; and
a danger information notification unit configured to notify a communication device with a possibility of passing through the region on the predetermined road of danger information that is information regarding a region on a road determined to have the danger.