Patent ID: 9507023
Filing Date: 2016-11-29
CPC Classification: G01S,G08G

Claim Text:
1. An obstacle detection system for vehicle, comprising: a first ultrasonic sensor that comprises a first microphone to be disposed on an outer surface of a vehicle, and is configured to measure a first distance from the vehicle to an obstacle by the first microphone transmitting/receiving an ultrasonic wave; a second ultrasonic sensor that comprises a second microphone to be disposed on the outer surface of the vehicle, and is configured to measure a second distance from the vehicle to the obstacle by the second microphone transmitting/receiving an ultrasonic wave; and an operation unit realized by a processor and configured to calculate a position of the obstacle with respect to the vehicle at a second timing, which is later than a first timing, using first distance information that indicates the first distance measured by the first ultrasonic sensor at the first timing, and second distance information that indicates the second distance measured by the second ultrasonic sensor at the second timing, wherein the operation unit comprises: