Title:
PARKING DETECTION SENSOR AND PARKING DETECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/250865
Kind Code:
A1
Abstract:
A parking detection sensor (100) has a Doppler sensor (110), a magnetic sensor (120) that detects magnetism on XYZ axes, a change point detection unit (130) that detects a change point in the output of the Doppler sensor (110) and the magnetic sensor (120), a level difference detection unit (140) that detects the magnetic level difference over time in the output of the Doppler sensor (110) and the magnetic sensor (120), and a state assessment unit (150) that assesses the parking state of a vehicle on the basis of the detection results of the change point detection unit (130) and the detection results of the level difference detection unit (140).
Inventors:
TAKADA YUJI
Application Number:
PCT/JP2020/022601
Publication Date:
December 17, 2020
Filing Date:
June 09, 2020
Export Citation:
Assignee:
MITSUMI ELECTRIC CO LTD (JP)
TAKADA YUJI
TAKADA YUJI
International Classes:
E04H6/00; E04H6/14; G01S13/56; G01V3/08; G01V3/12
Domestic Patent References:
| WO2009060651A1 | 2009-05-14 |
Foreign References:
| JP2007024709A | 2007-02-01 | |||
| JP2004116173A | 2004-04-15 | |||
| JPS49125686U | 1974-10-28 | |||
| CN2731611Y | 2005-10-05 | |||
| JP2016528477A | 2016-09-15 | |||
| US20170249626A1 | 2017-08-31 | |||
| JP2018146560A | 2018-09-20 | |||
| JP2019109561A | 2019-07-04 |
Other References:
See also references of EP 3985211A4
Attorney, Agent or Firm:
WASHIDA & ASSOCIATES (JP)
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