Title:
OBSTACLE DETECTION APPARATUS
Document Type and Number:
WIPO Patent Application WO/2021/112126
Kind Code:
A1
Abstract:
This apparatus comprises: an ultrasonic sensor that is provided in a portion of a vehicle, of which height from a road surface corresponds to a predetermined position, and transmits a prospecting wave toward an outside of the vehicle, and in which a plurality of ultrasonic elements that receives, as a receiving wave, a reflected wave being a prospecting wave reflected by an obstacle; and a control unit that derives, on the basis of the receiving wave, an obstacle distance as a distance to the obstacle and an obstacle height as a height of the obstacle, to perform a predetermined processing. When deriving the obstacle distance and the obstacle height, the control unit derives the obstacle distance and the obstacle height on the basis of strength of the receiving wave received by the plurality of ultrasonic elements and a phase difference between the receiving waves received by the plurality of ultrasonic elements.
Inventors:
TANEMURA TOMOKI (JP)
MATSUDAIRA NOBUAKI (JP)
TAKAHASHI IPPEI (JP)
MATSUDAIRA NOBUAKI (JP)
TAKAHASHI IPPEI (JP)
Application Number:
PCT/JP2020/044862
Publication Date:
June 10, 2021
Filing Date:
December 02, 2020
Export Citation:
Assignee:
DENSO CORP (JP)
International Classes:
G01S15/931
Foreign References:
| JP2006343309A | 2006-12-21 | |||
| JP2014074665A | 2014-04-24 | |||
| JPH06242238A | 1994-09-02 | |||
| US20170326590A1 | 2017-11-16 | |||
| US20180153512A1 | 2018-06-07 |
Attorney, Agent or Firm:
YOU-I PATENT FIRM (JP)
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