US PATENT SUBCLASS 326 / 129
.~.~.~ Complementary transistor logic (CTL)
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June, 1999
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326 /
HD
ELECTRONIC DIGITAL LOGIC CIRCUITRY
104
DF
FUNCTION OF AND, OR, NAND, NOR, or NOT
{7}
124
DF
.~ Bipolar transistor (e.g., RTL, DCTL, etc.) {5}
128
DF
.~.~ Transistor-transistor logic (TTL) {1}
129
.~.~.~ Complementary transistor logic (CTL)
DEFINITION
Classification: 326/129
Complementary transistor logic (CTL):
(under subclass 128) Subject matter wherein the logic function unit includes transistors of opposite conductivity type (e.g., npn and pnp type, etc.).