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. 04, 2010
Filed:
Apr. 11, 2008
Masashi Takahashi, Yokohama, JP;
Keiichi Sasaki, Tokyo, JP;
Nobuo Yamaga, Tokyo, JP;
Norio Ahiko, Yokohama, JP;
Koichi Yoshimura, Yokohama, JP;
Masanobu Ohi, Tokyo, JP;
Yoshio Mochida, Ebina, JP;
Yuuichi Machijima, Tokyo, JP;
Takehiro Shirai, Ichihara, JP;
Masashi Takahashi, Yokohama, JP;
Keiichi Sasaki, Tokyo, JP;
Nobuo Yamaga, Tokyo, JP;
Norio Ahiko, Yokohama, JP;
Koichi Yoshimura, Yokohama, JP;
Masanobu Ohi, Tokyo, JP;
Yoshio Mochida, Ebina, JP;
Yuuichi Machijima, Tokyo, JP;
Takehiro Shirai, Ichihara, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Lazoc Incorporated, Tokyo, JP;
Abstract
An active sensoris positioned on an outside of a pipeso as to detect a thickness of the pipe. The active sensor comprises: an oscillatorcapable of inputting oscillatory waves into the pipe and sweeping a frequency of the oscillatory waves within a desired range; and an optical fiber sensor mounted on the pipe, the optical fiber sensor detecting the oscillatory waves generated in the pipe.