Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Tadao Okazaki0
Date of Patent
November 3, 2009
0Patent Application Number
121485870
Date Filed
April 21, 2008
0Patent Primary Examiner
Patent abstract
The present invention discloses a flow measurement device that includes: a wave guide tube type resonant cavity; a penetrating space that penetrates the resonant cavity; a duct support part that is made of a dielectric substance and is in the resonant cavity and surrounds an outside of the penetrating space; a transmitting antenna that transmits a microwave in a direction along a longitudinal axial direction of the resonant cavity to provide a standing wave or a traveling wave of the microwave, with the microwave transmitted in a space that is outside of duct support part and inside of the resonant cavity; and a receiving antenna that receives the standing wave or the traveling wave.
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