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Title:
WIRELESS FIELD APPARATUS
Document Type and Number:
Japanese Patent JP2012122842
Kind Code:
A
Abstract:

To provide a wireless field apparatus capable of dispensing with a secondary battery with the finite number of charging times.

The wireless field apparatus is incorporated with a measuring module for measuring a physical quantity of measuring object fluid flowing inside a pipe and a wireless module for performing a wireless communication to the outside. The wireless field apparatus includes: an energy storage/supply device being used as a power supply for actuating the measuring module and the wireless module using that positive/negative charges are stored in an interface between a solid and a liquid; physical quantity/electric energy converting means for converting the physical quantity of the measuring object fluid into the electric energy and outputting the electric energy; a power storage part for charging the energy storage/supply device by the electric energy output from the physical quantity/electric energy converting means.


Inventors:
Takashima, Atsushi
Application Number:
JP2010000273791
Publication Date:
June 28, 2012
Filing Date:
December 08, 2010
Export Citation:
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Assignee:
YOKOGAWA ELECTRIC CORP
International Classes:
G01F1/00; G01F1/60; H02K44/08; H02N2/18



 
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