(under subclass 65.05) Subject matter including means whose electron flow or electron storage characteristic changes in response to the determination being made.
SEE OR SEARCH THIS CLASS, SUBCLASS:
65.09, for an electric sensor, per se, for determining the center of gravity, a turning moment, or a metacentric height.
866.5, for a probe or probe mounting, per se.
SEE OR SEARCH CLASS
250, Radiant Energy, appropriate subclasses for a light responsive sensor, per se.
310, Electrical Generator or Motor Structure,
311+, for a piezoelectric sensor, per se. 338, Electrical Resistors,
2+, for a strain gauge, per se, and subclasses 13+ for a condition responsive resistor, per se.