Title:
WIRELESS SENSOR TERMINAL, WIRELESS SENSOR SYSTEM, AND SENSOR DATA COLLECTION METHOD
Document Type and Number:
WIPO Patent Application WO/2018/003166
Kind Code:
A1
Abstract:
The present invention discloses a wireless sensor terminal provided with a sensor that converts a physical quantity into an electrical signal and performs measurement thereof, a filter that extracts a signal having a predetermined frequency from the electrical signal, a transmitter that wirelessly transmits data based on the predetermined-frequency signal extracted by the filter, a receiver that receives a command wirelessly transmitted from the outside, and a control unit that controls the frequency that is to be extracted by the filter on the basis of the command.
Inventors:
FUJIMORI TSUKASA (JP)
KURIYAMA AKIRA (JP)
FUKAMACHI TOSHIHIKO (JP)
OSHIMA TAKASHI (JP)
KURIYAMA AKIRA (JP)
FUKAMACHI TOSHIHIKO (JP)
OSHIMA TAKASHI (JP)
Application Number:
PCT/JP2017/006589
Publication Date:
January 04, 2018
Filing Date:
February 22, 2017
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G08C15/00; G08C17/00; G08C17/02; H04M11/00; H04Q9/00
Domestic Patent References:
| WO2013190973A1 | 2013-12-27 |
Foreign References:
| JP2007241583A | 2007-09-20 | |||
| JP2016038275A | 2016-03-22 | |||
| JP2002010983A | 2002-01-15 |
Attorney, Agent or Firm:
SEIRYO I.P.C. (JP)
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