Low tension winding apparatus

Details Low tension winding apparatus Low tension winding apparatus

1983-08-01

1985-02-19

Gilreath, Stanley N.

Winding, tensioning, or guiding

Coil holder or support

Spool or core

226 45, 242 7552, B65H 5938

Patent

active

045000433

ABSTRACT:
A plurality of photo sensitive devices arranged in vertical orientation monitors the sag of a loop of optical fiber extending between a feed capstan and a take-up spool. Each detector is connected to a respective switching circuit which, when activated by the presence of the fiber adjacent to its associated detector, generates a unique voltage. The switching circuits are connected to a motor control circuit by a sample and hold circuit which supplies to the motor control circuit a voltage proportional to the voltage generated by the most recently activated switching circuit. The speed of the motor driving the take-up spool is thus adjusted to cause the fiber catenary to return to a predetermined position.

REFERENCES:
patent: 3277305 (1960-11-01), Anderman, Jr.
patent: 3908920 (1975-09-01), Hermanns
patent: 4195791 (1980-04-01), Frazee, Jr.
patent: 4297586 (1981-10-01), Rogers
patent: 4384665 (1983-05-01), Waddington

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