Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1981-07-29
1983-10-18
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307255, 330267, H03K 19092, H03K 1760, H03F 326
Patent
active
044108141
ABSTRACT:
A buffer circuit in an integrated circuit for applying to a connecting terminal thereof an output signal the polarity of which depends on a voltage to which an external load resistor is connected, the other end of this load resistor being connected to the terminal. The circuit comprises two output transistors arranged in series with two current measuring impedances for measuring the direction of the current flowing through the load resistor and for cutting off one of the output transistors.
REFERENCES:
patent: 3332027 (1967-07-01), Suganuma
patent: 4239989 (1980-12-01), Brajder
patent: 4287435 (1981-09-01), Cavaliere et al.
Briody Thomas A.
Callahan Timothy P.
Goodman Edward W.
Heyman John S.
Streeter William J.
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