The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 2010
Filed:
Aug. 15, 2008
Bongyoung Ahn, Daejeon, KR;
Seung Hyun Cho, Gyeonggi-do, KR;
Seung Soo Hong, Daejeon, KR;
Yong Hyeon Shin, Daejeon, KR;
Kwang Hwa Chung, Daejeon, KR;
Bongyoung Ahn, Daejeon, KR;
Seung Hyun Cho, Gyeonggi-do, KR;
Seung Soo Hong, Daejeon, KR;
Yong Hyeon Shin, Daejeon, KR;
Kwang Hwa Chung, Daejeon, KR;
Abstract
The present invention relates to an apparatus for measuring pressure inside a predetermined vessel based on the principle that the transmitting efficiency of ultrasonic waves is changed by acoustic impedance variation according to an internal pressure. The apparatus includes an ultrasound exciting unitdisposed inside the vesseland generating predetermined ultrasonic waves, an ultrasound receiving unitdisposed inside the vesseland placed on the same axis line as that of the ultrasound exciting unit, a control unitfor controlling a frequency and a waveform of the excitation signal transmitted into the ultrasound exciting unit, and a pressure measuring unitfor measuring an internal pressure of the vesselbased on an ultrasonic signal received by the ultrasound receiving unitand the excitation signal transmitted into the ultrasound exciting unit