Title:
MEDIUM SENSOR DEVICE AND MONITORING SYSTEM
Document Type and Number:
WIPO Patent Application WO/2019/130632
Kind Code:
A1
Abstract:
The present invention makes it possible to more simply specify a medium. This medium sensor device is characterized by comprising an antenna, a storage unit for storing a medium identification table in which mediums corresponding to antenna impedances have been determined beforehand, and a medium specification unit for specifying the impedance of the antenna and specifying a medium in the vicinity of the antenna by referring to the medium identification table.
Inventors:
IKEDA KAZUKI (JP)
MAKUUCHI MASAMI (JP)
MURAKAMI SHINICHI (JP)
KADOI RYO (JP)
NAGASHIMA TOMOHARU (JP)
MAKUUCHI MASAMI (JP)
MURAKAMI SHINICHI (JP)
KADOI RYO (JP)
NAGASHIMA TOMOHARU (JP)
Application Number:
PCT/JP2018/027246
Publication Date:
July 04, 2019
Filing Date:
July 20, 2018
Export Citation:
Assignee:
HITACHI LTD (JP)
International Classes:
G01N22/00; G01W1/00; G01R27/02; G01V3/12
Domestic Patent References:
WO2016195113A1 | 2016-12-08 |
Foreign References:
JPH1114434A | 1999-01-22 | |||
JP2001305239A | 2001-10-31 | |||
JP2005098934A | 2005-04-14 | |||
US20160178802A1 | 2016-06-23 | |||
JP2017248590A | 2017-12-26 | |||
JP2017110983A | 2017-06-22 |
Attorney, Agent or Firm:
SHOYO INTELLECTUAL PROPERTY FIRM (JP)
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