| 摘要 |
PCT No. PCT/DE95/01625 Sec. 371 Date Sep. 16, 1996 Sec. 102(e) Date Sep. 16, 1996 PCT Filed Nov. 22, 1995 PCT Pub. No. WO96/15969 PCT Pub. Date May 30, 1996The invention relates to a method and an apparatus for detecting a yarn wind on a rotating roll partially looped by the yarn and associated with a yarn processing apparatus, and which includes a light source for directing to the monitoring range of the roll a light beam, which is imaged as a light strip along a surface line of the roll, and a light sensor with an evaluation device. The sensor detects the light reflected from a yarn wind, which is converted into an electric signal and may then be further processed.
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