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

Claim 3:
4. The danger detection system according to claim 1,
wherein the danger location detection unit includes the danger determination unit,
the danger location detection unit includes an information reception unit configured to receive, from a plurality of vehicles, acoustic signals and pieces of location information on a road,
the danger determination unit determines whether each of the acoustic signals that is received is derived from the danger when each of the acoustic signals that is received is determined to be abnormal, and
the danger location detection unit further includes (i) a histogram creation unit configured to create, in units of predetermined regions, a histogram by counting the number of locations corresponding to pieces of location information on a road on which an acoustic signal is determined to be derived from a danger, and (ii) a determination unit configured to judge a location with a danger based on the histogram that is created.