Circuit arrangement for monitoring the operation of an electroni

Details Circuit arrangement for monitoring the operation of an electroni Circuit arrangement for monitoring the operation of an electroni

1975-04-21

1977-07-19

Stephan, Steven L.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

28226, 73160, 83522, B65H 6302, D01H 1322, D02J 114, G01L 504

Patent

active

040364453

ABSTRACT:
A circuit arrangement for monitoring the operation of an electronic yarn clearer on an automatic yarn winding machine and particularly for monitoring the operation of the output relays and yarn cutting device of the yarn clearer. Logic circuitry is provided for combining the output signals of the yarn clearer circuitry and produces control and/or alarm signals when the cutting device fails to sever the yarn upon appearance of a cutting pulse, i.e. when a yarn travel signal is permanently present during a predetermined time interval commencing with the start of said cutting pulse.

REFERENCES:
patent: 3043991 (1962-07-01), Schneider et al.
patent: 3122956 (1964-03-01), Tucker
patent: 3476329 (1969-11-01), Felix
patent: 3648027 (1972-03-01), Ganong et al.
patent: 3748707 (1973-07-01), Aihara et al.
patent: 3863241 (1975-01-01), Kamiyamaguchi et al.

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