Patents Assigned to Lazoc Incorporated
  • Active sensor, multipoint active sensor, method for diagnosing deterioration of pipe, and apparatus for diagnosing deterioration of pipe, and apparatus for diagnosis deterioration of pipe
    Patent number: 7711217
    Abstract: An active sensor 10 is positioned on an outside of a pipe 60 so as to detect a thickness of the pipe. The active sensor comprises: an oscillator 15 capable 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.
    Type: Grant
    Filed: April 11, 2008
    Date of Patent: May 4, 2010
    Assignees: Kabushiki Kaisha Toshiba, Lazoc Incorporated
    Inventors: Masashi Takahashi, Keiichi Sasaki, Nobuo Yamaga, Norio Ahiko, Koichi Yoshimura, Masanobu Ohi, Yoshio Mochida, Yuuichi Machijima, Takehiro Shirai
  • ACTIVE SENSOR, MULTIPOINT ACTIVE SENSOR, INSPECTION METHOD OF PIPE DETERIORATION AND INSPECTION APPARATUS OF PIPE DETERIORATION
    Publication number: 20080260324
    Abstract: An active sensor 10 is positioned on an outside of a pipe 60 so as to detect a thickness of the pipe. The active sensor comprises: an oscillator 15 capable 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.
    Type: Application
    Filed: April 11, 2008
    Publication date: October 23, 2008
    Applicants: KABUSHIKI KAISHA TOSHIBA, LAZOC INCORPORATED
    Inventors: Masashi TAKAHASHI, Keiichi Sasaki, Nobuo Yamaga, Norio Ahiko, Koichi Yoshimura, Masanobu Ooi, Yoshio Mochida, Yuuichi Machijima, Takehiro Shirai