Title:
糸の走行/停止状態を監視する方法および糸検知器
Document Type and Number:
Japanese Patent JP4651821
Kind Code:
B2
Abstract:
A method and apparatus for monitoring run/stop conditions of a yarn, particularly in a knitting or warping machine utilizing a yarn feeler. The yarn feeler includes an electronic, yarn actuated transducer operating with variable gain amplification of run input signals which are further processed to final output signals representing the run/stop conditions. The amplification gain for the run input signal is automatically electronically controlled with a time delay and is adjusted towards a floating minimum which is just sufficient to derive stable final output signals. The, reaction time delay allows compensation for naturally occurring parametric fluctuations of the run input signal, while a sudden drop of the run input signal due to yarn breakage is processed to a final output stop signal.
Inventors:
Stefano Lamprillo
Application Number:
JP2000602162A
Publication Date:
March 16, 2011
Filing Date:
March 01, 2000
Export Citation:
Assignee:
Eropa Akchen Gesell Shaft
International Classes:
B65H63/028; B65H63/032; D02H13/08; D04B35/12; D04B35/14
Domestic Patent References:
| JP63127987U | ||||
| JP824460A | ||||
| JP599245A | ||||
| JP2191728A | ||||
| JP5230744A | ||||
| JP5155040U | ||||
| JP5245038U | ||||
| JP5231139A | ||||
| JP5772579A | ||||
| JP56173562U | ||||
| JP5867849U | ||||
| JP5796145U |
Attorney, Agent or Firm:
Yoshikazu Tani
Kazuo Abe
Kazuo Abe