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:
Sep. 12, 2017
Filed:
Sep. 27, 2013
Nec Corporation, Tokyo, JP;
Mizuho Tomiyama, Tokyo, JP;
Masatake Takahashi, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Abstract
A leak detection device is provided which comprises: in order to suppress effects of extraneous vibration and improve accuracy of leak detection, a first detection unit () which detects vibration in a first direction and output a first signal Srepresenting a magnitude of the vibration in the first direction, the first detection unit () being installed to a pipe () in which fluid () flows; a second detection unit () which detects vibration in a second direction different from the first direction and output a second signal Srepresenting a magnitude of the vibration in the second direction, the second detection unit () being installed to the pipe (); and a signal processing unit () which performs an arithmetic operation processing using the first signal Sand the second signal S