Electronic equipment for monitoring yarn travel on a textile mac

Details Electronic equipment for monitoring yarn travel on a textile mac Electronic equipment for monitoring yarn travel on a textile mac

1976-04-08

1977-06-28

Jaudon, Henry S.

Textiles: weaving

Stopping

139341, 1393702, 139371, 66163, D03D 5118, D03D 5134, D03D 5140

Patent

active

040319245

ABSTRACT:
The present invention relates to equipment for monitoring the yarn travel on a textile machine, particularly in the shuttle of a weaving loom, comprising a piezoelectrical yarn sensing unit mounted in the shuttle and an electronic receiving circuitry outside the shuttle. The sensing unit transmits yarn travel signals of a frequency which is determined by one of the natural frequencies of the sensing unit, and the electronic receiving circuitry comprises at least one resonant circuit tuned to that natural frequency.

REFERENCES:
patent: 3440634 (1969-04-01), Maurmann et al.
patent: 3467149 (1969-09-01), Dosch et al.
patent: 3688958 (1972-09-01), Rydborn
patent: 3757831 (1973-09-01), Loepfe et al.
patent: 3970115 (1976-07-01), Kenk et al.

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