| 摘要 |
textile industry. SUBSTANCE: apparatus has ac amplifier connected with its output to control unit input and to control member input. Control member is connected with its output to setter switched to bridge-type converter. Apparatus is used in textile industry for detecting and providing passage of fabric seam through working tools on shearing, calender, measuring and quality controlling machines. EFFECT: improved invulnerability to jamming, provision for self-adjustment of fabric seam passage devices in case of changing environmental conditions and fabric parameters. 1 dwg
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