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Title:
ENVIRONMENT CONDITION MEASUREMENT DEVICE
Document Type and Number:
WIPO Patent Application WO/2022/091887
Kind Code:
A1
Abstract:
This environment condition measurement device is provided with a control unit (60) that determines an environment condition of a target space (10) on the basis of a propagation time between when a transmitter (30) transmits a sound wave and when the receiver (40) receives the sound wave. The receiver (40) is a directivity receiver that has a directivity with respect to sound waves incident at a predetermined incident angle.

Inventors:
HIEI TAKEHIKO (JP)
KUROI KIYOSHI (JP)
SASAI YUTA (JP)
Application Number:
PCT/JP2021/038667
Publication Date:
May 05, 2022
Filing Date:
October 19, 2021
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
DAIKIN IND LTD (JP)
International Classes:
G01N29/024; G01K11/24; G01P5/24
Domestic Patent References:
WO2020110393A12020-06-04
Foreign References:
US20200072680A12020-03-05
JP2010223855A2010-10-07
JPH07280666A1995-10-27
JPH11173925A1999-07-02
Attorney, Agent or Firm:
MAEDA & PARTNERS (JP)
Download PDF:
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