Variable bias logic circuit
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United States of America Patent
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-
Jul 23, 1985
Issued Date -
N/A
app pub date -
Nov 15, 1978
filing date -
Aug 20, 1974
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a logic circuit, a transistor performs the function of a binary switching device and is controlled by the currents applied to the base thereof through differently weighted resistors. The resistors are connected to inputs to which signals representing different binary variables can be applied. The base of the transistor is also connected to a source of voltage through a variable resistor. By varying the value of the variable resistor, the logical function performed by the gate can be varied.
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