Communications: electrical – Digital comparator systems
Patent
1974-09-12
1976-09-14
Pitts, Harold I.
Communications: electrical
Digital comparator systems
340149A, 235 6111K, H04Q 300
Patent
active
039809900
ABSTRACT:
An improved ferromagnetic currency validator which permits hand held operation. Means in the hand held device detect speed of movement across the bill being validated and open a gate of variable length in response thereto to measure proper positioning and ferromagnetic content of lines on the bill.
REFERENCES:
patent: 2992408 (1961-07-01), Eldredge
patent: 3391388 (1968-07-01), Riddle
patent: 3509535 (1970-04-01), Berube
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