Title:
SENSOR DEVICE AND OCCUPANT DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2023/157445
Kind Code:
A1
Abstract:
Provided are a sensor device capable of detecting the movement and condition of people in a specific area, and an occupant detection device. This sensor device comprises: an antenna that transmits radio waves as transmission waves and receives reflected waves; and a reflector having a first reflective section that reflects a first transmission wave of the transmission waves and a first reflected wave of the reflected waves. The sensor device has a first detection area where a direct transmission wave of the transmission waves that is directly transmitted without being reflected by the reflector reaches and a second detection area where the first transmission wave reflected by the first reflective section reaches.
Inventors:
TAKAOKA HIROYUKI (JP)
MURAI ATSUSHI (JP)
OTAKI YUKIO (JP)
MURAI ATSUSHI (JP)
OTAKI YUKIO (JP)
Application Number:
PCT/JP2022/046267
Publication Date:
August 24, 2023
Filing Date:
December 15, 2022
Export Citation:
Assignee:
ALPS ALPINE CO LTD (JP)
International Classes:
G01S7/03; G01S13/56; G01V3/12
Foreign References:
| JP2020148757A | 2020-09-17 | |||
| JP2018151326A | 2018-09-27 | |||
| JP2007232407A | 2007-09-13 | |||
| CN209342946U | 2019-09-03 | |||
| JP2016151519A | 2016-08-22 | |||
| JP2001295547A | 2001-10-26 | |||
| JPH08136649A | 1996-05-31 |
Attorney, Agent or Firm:
ITOH, Tadashige et al. (JP)
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