Reel diameter discriminator

Details Reel diameter discriminator Reel diameter discriminator

1974-11-04

1976-04-27

Shaw, Gareth D.

Registers

Platform operated

Platform actuated traffic counters

235 92PK, 235 92MP, 235 92R, 23515132, 242201, H03K 2136

Patent

active

039537137

ABSTRACT:
A web or sheet material supply reel is monitored for minimum diameter in anticipation of a continuously running splice from an exhausted supply reel to a fresh supply reel. The monitoring technique is to combine electrical pulses proportional to the passage of a linear quantity of material with pulses proportional to the number of arcuate reel degrees simultaneously rotated past a reference point. The reel arc generated pulses are accumulated by a digital counter during the interim between linear quantity pulses. When the accumulated count reaches a predetermined magnitude between linear quantity pulses, a signal is emitted to initiate the splice transfer.

REFERENCES:
patent: 3160741 (1964-12-01), Gottschall et al.
patent: 3538729 (1970-11-01), Sterrett, Jr.
patent: 3564219 (1971-02-01), Mutziger
patent: 3652832 (1972-03-01), Baumann
patent: 3659081 (1972-04-01), Piccione
patent: 3710084 (1973-01-01), Slagley et al.
patent: 3824694 (1974-07-01), Lesperance et al.
patent: 3834648 (1974-09-01), Rose et al.
patent: 3838254 (1974-09-01), Halter

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