US PATENT SUBCLASS 257 / 252
.~ Responsive to non-optical, non-electrical signal

Current as of: June, 1999
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257 /   HD   ACTIVE SOLID-STATE DEVICES (E.G., TRANSISTORS, SOLID-STATE DIODES)

213  DF  FIELD EFFECT DEVICE {6}
252.~ Responsive to non-optical, non-electrical signal {2}
253  DF  .~.~> Chemical (e.g., ISFET, CHEMFET)
254  DF  .~.~> Physical deformation (e.g., strain sensor, acoustic wave detector)

DEFINITION

Classification: 257/252

Responsive to non-optical, non-electrical signal:

(under subclass 213) Subject matter which produces an electrical output in response to an input which is other than optical or electrical.