Title:
LIQUID LEVEL MEASURING DEVICE AND METHOD
Document Type and Number:
Japanese Patent JP2013156194
Kind Code:
A
Abstract:
To provide a technique which enhances the resistance to disturbance and which measures a level of liquid stored in a container with high accuracy in a simple configuration.
A liquid level measuring device 10 includes: vibration propagation members 12 immersed in a liquid 32 in such a manner that a part of the members is exposed from a liquid surface 31; a piezoelectric element 11 which is provided on ends of the vibration propagation members 12 and which propagates a vibration 33 in a longitudinal direction of the members; and a signal processor 20 guiding a liquid level on the basis of a propagation time of the vibration 33 reflected on the liquid surface 31.
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Inventors:
YAMASHITA YOSHIHIRO
TAKADA YUKA
WATABE KAZUMI
OCHIAI MAKOTO
TAKADA YUKA
WATABE KAZUMI
OCHIAI MAKOTO
Application Number:
JP2012017903A
Publication Date:
August 15, 2013
Filing Date:
January 31, 2012
Export Citation:
Assignee:
TOSHIBA CORP
International Classes:
G01F23/22
Attorney, Agent or Firm:
Patent business corporation Tokyo International Patent Office
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