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Patent Searching and Data


Title:
WEFT YARN FEELER DEVICE FOR LOOM
Document Type and Number:
Japanese Patent JP3021827
Kind Code:
B2
Abstract:

PURPOSE: To prevent an output signal (St) from being outputted in mistake even if a noise signal composed of successive pulses is superimposed on feeler signals (Sf) and (Sf1).
CONSTITUTION: A waveform shaping circuit 12 and a timer circuit 20 are connected to the output side of a feeler 11 to provide an output signal (St). The timer circuit 20 is reset for each disappearance or issuance of a feeler signal (Sf1) to measure the time width of the feeler signal (Sf1). Thereby, the output signal (St) can be outputted corresponding to only a yarn signal having a time width of a prescribed time or above among noise signals and the yarn signal contained in the feeler signal (Sf1).


Inventors:
Fujii, Akio
Application Number:
JP22795391A
Publication Date:
March 15, 2000
Filing Date:
September 09, 1991
Export Citation:
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Assignee:
TSUDAKOMA CORP
International Classes:
D03D51/34; (IPC1-7): D03D51/34
Attorney, Agent or Firm:
松田 忠秋