Title:
BOBBIN WINDING DEVICE, TENSION DETECTION METHOD, AND TENSION DETECTION DEVICE
Document Type and Number:
WIPO Patent Application WO/2004/043839
Kind Code:
A1
Abstract:
A tension detection method capable of extracting a tension component from various components included in tension detection signals, a tension detection device, and a bobbin winding device having the tension detection device, the device comprising a CPU (24) capable of providing the frequency spectra of the detection signals and extracting the intensity of spectra corresponding to a traverse frequency&semi the method comprising the step of providing a tension based on the extracted intensity of spectra.
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Inventors:
NAKADE KAZUHIKO
HASEGAWA MASAKATSU
MUTA KATSUFUMI
HASEGAWA MASAKATSU
MUTA KATSUFUMI
Application Number:
PCT/JP2002/011814
Publication Date:
May 27, 2004
Filing Date:
November 13, 2002
Export Citation:
Assignee:
MURATA MACHINERY LTD (JP)
International Classes:
B65H54/02; B65H59/40; G01L5/04; G01L5/10; (IPC1-7): B65H54/02
Foreign References:
| JPH0921713A | 1997-01-21 | |||
| US5493918A | 1996-02-27 |
Attorney, Agent or Firm:
Hirai, Tamotsu (Hiranuma Nishi-k, Yokohama-shi Kanagawa, JP)
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