Invention Grant
US08156808B2 Stiffness detector, stiffness detection method, and paper sheet processor including stiffness detector
有权
刚度检测器，刚度检测方法和包括刚度检测器的纸张处理器
- Patent Title: Stiffness detector, stiffness detection method, and paper sheet processor including stiffness detector
- Patent Title (中): 刚度检测器，刚度检测方法和包括刚度检测器的纸张处理器
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Application No.: US12717383Application Date: 2010-03-04
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Publication No.: US08156808B2Publication Date: 2012-04-17
- Inventor: Kazuhiro Itsumi , Takahiro Yamamoto , Takahisa Nakano , Seiji Ikari , Junji Miura , Tsutomu Saito , Takanobu Nishimura
- Applicant: Kazuhiro Itsumi , Takahiro Yamamoto , Takahisa Nakano , Seiji Ikari , Junji Miura , Tsutomu Saito , Takanobu Nishimura
- Applicant Address: JP Tokyo
- Assignee: Kabushiki Kaisha Toshiba
- Current Assignee: Kabushiki Kaisha Toshiba
- Current Assignee Address: JP Tokyo
- Agency: Pillsbury Winthrop Shaw Pittman, LLP
- Priority: JP2009-140375 20090611
- Main IPC: G01N3/40
- IPC: G01N3/40
Abstract:
A stiffness detector transmits acoustic waves to a paper sheet at a predetermined angle to excite Lamb waves. The stiffness detector receives leaky waves of the Lamb waves propagated through the paper sheet at different angles with respect to the paper sheet by a plurality of reception sensors. The stiffness detector is configured to specify a maximum leak angle at which a leak amount of the acoustic waves from the paper sheet becomes maximum based on outputs from the plurality of reception sensors in the reception module and to judge a degree of fatigue of the paper sheet based on the specified maximum leak angle.
Public/Granted literature
- US20100314300A1 STIFFNESS DETECTOR, STIFFNESS DETECTION METHOD, AND PAPER SHEET PROCESSOR INCLUDING STIFFNESS DETECTOR Public/Granted day:2010-12-16
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