Communications: electrical – Digital comparator systems
Patent
1975-11-03
1977-08-30
Pitts, Harold I.
Communications: electrical
Digital comparator systems
358194, H04N 912
Patent
active
040457753
ABSTRACT:
A continuous DC control circuit includes a memory capacitor coupled to a sampling means providing an output signal representative of the charge thereon and to a charge and discharge circuit means connected to a switching means coupled to a potential source and to a control circuit means for selectively altering the operation of the switching means to effect application of different potential levels to cause different rates of charging and discharging of the memory capacitor.
REFERENCES:
patent: 3713028 (1973-01-01), Boyd
patent: 3798362 (1974-03-01), Salto
patent: 3820027 (1974-06-01), Maier
Buffton Thomas H.
GTE Sylvania Incorporated
O'Malley Norman J.
Orner Robert T.
Pitts Harold I.
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