US PATENT SUBCLASS 365 / 181
.~.~ Complementary conductivity
Current as of:
June, 1999
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365 /
HD
STATIC INFORMATION STORAGE AND RETRIEVAL
129
DF
SYSTEMS USING PARTICULAR ELEMENT
{26}
174
DF
.~ Semiconductive {11}
181
.~.~ Complementary conductivity
DEFINITION
Classification: 365/181
Complementary conductivity:
(under subclass 174) Subject matter in which the storage elements are of complementary conductivity (e.g., pnp plus npn).
SEE OR SEARCH THIS CLASS, SUBCLASS:
156, for flip-flop storage devices which use complementary elements.
SEE OR SEARCH CLASS
257, Active Solid-State Devices (e.g., Transistors, Solid-State Diodes), appropriate subclasses, including regenerative type devices in
107, 181, bipolar devices in subclasses 565+, and field effect devices in subclasses 213+.
326, Electronic Digital Logic Circuitry, appropriate subclasses for logic circuits which utilize complementary transistors.
327, Miscellaneous Active Electrical Nonlinear Devices, Circuits, and Systems, particularly 576, for miscellaneous circuits utilizing complementary transistors.
