Title:
APPROACHING VEHICLE DETECTION DEVICE AND APPROACHING VEHICLE DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2012/115205
Kind Code:
A1
Abstract:
An approaching vehicle detection device detects an approaching vehicle on the basis of sound collected by a plurality of sound collectors (13A, 14A, 15A, 16A), and is characterized in that a sound source (particularly the running sound of a vehicle) is detected using closely spaced pairs of sound collectors (11A (13A, 14A), 12A (15A, 16A)), and the approach of the sound source is detected using a pair of sound collectors (13A, 16A) that are disposed more widely spaced apart than the pairs of sound collectors (11A, 12A).
Inventors:
SATO JUN (JP)
FUNAYAMA RYUJI (JP)
FUNAYAMA RYUJI (JP)
Application Number:
PCT/JP2012/054456
Publication Date:
August 30, 2012
Filing Date:
February 23, 2012
Export Citation:
Assignee:
TOYOTA MOTOR CO LTD (JP)
SATO JUN (JP)
FUNAYAMA RYUJI (JP)
SATO JUN (JP)
FUNAYAMA RYUJI (JP)
International Classes:
G01S3/808; B60R21/00; G01S15/931; G08G1/16; H04R1/40; H04R3/00; H04R29/00
Domestic Patent References:
| WO2010038385A1 | 2010-04-08 |
Foreign References:
| JP2009008433A | 2009-01-15 | |||
| JP2006023261A | 2006-01-26 | |||
| JP2001091616A | 2001-04-06 | |||
| JPH0592767A | 1993-04-16 | |||
| JPH0592767U | 1993-12-17 | |||
| JPH08202999A | 1996-08-09 | |||
| JPH09128697A | 1997-05-16 | |||
| JPH09136573A | 1997-05-27 |
Other References:
See also references of EP 2680023A4
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
Yoshiki Hasegawa (JP)
Yoshiki Hasegawa (JP)
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Claims: