Electrical transmission or interconnection systems – Nonlinear reactor systems – Parametrons
Patent
1974-10-01
1976-07-13
Heyman, John S.
Electrical transmission or interconnection systems
Nonlinear reactor systems
Parametrons
307213, 307215, 357 22, H03K 1908, H03K 1934, H03K 1912, H01L 2980
Patent
active
039696324
ABSTRACT:
A logic circuit uses a junction-type field-effect transistor.
The element comprises a transistor whose gate, by means of Zener diodes or forward-biased diodes is placed at a fixed potential so that it is blocked when one of its inputs carries the 0 level, and at another fixed potential, such that it is conductive, when all the inputs carry the 1 level.
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patent: 3623925 (1971-11-01), Jenkins et al.
patent: 3725136 (1973-04-01), Morgan
patent: 3813585 (1974-05-01), Tarui et al.
Wallmark et al, "Integrated Devices Using Direct-Coupled Unipolar Transistor Logic," IRE Transactions on Electronic Computers; pp. 98-105; 6/1959.
Sandfelder et al, "Logic Failure Simulation;" IBM Tech. Discl. Bull.; vol. 9, No. 4, pp. 422-423; 9/1966.
Schulz, "A High Speed Diode Coupled NOR Gate;" Solid/State/Design (pub.); pp. 52-53; 8/1962.
Harper, "Inverter Speed-up," IBM Tech. Discl. Bull.; vol. 12, No. 4, p. 537; 9/1969.
"Thomson-CSF"
Anagnos Larry N.
Heyman John S.
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