.~ Phase controlled switching using electronic tube or a three or more terminal semiconductive device {8}
246
.~.~ With plural condition sensing
DEFINITION
Classification: 323/246
With plural condition sensing:
(under subclass 237) Subject matter including means for sensing a condition of the system or its load, such means being in addition to the means responsive to deviation in the output of the system.
(1) Note. This subclass includes sensing combinations of voltage, current, power factor, etc.
SEE OR SEARCH THIS CLASS, SUBCLASS:
275, for devices of this type wherein the final control device is a linearly acting three or more terminal semiconductive device.
