| 327 / | HD | MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS |
| 365 | DF | GATING (I.E., SWITCHING INPUT TO OUTPUT) {12} |
| 419 | DF | .~ Utilizing three or more electrode solid-state device {7} |
| 438 | DF | .~.~ Four or more layer device (e.g., thyristor, etc.) {6} |
| 447 | | .~.~.~ AC supply {6} |
| 448 | DF | .~.~.~.~> Device in bridge |
| 449 | DF | .~.~.~.~> PUT (i.e., programmable unijunction transistor) |
| 450 | DF | .~.~.~.~> Four electrodes |
| 451 | DF | .~.~.~.~> Zero point switching {1} |
| 453 | DF | .~.~.~.~> Silicon controlled rectifier (SCR) {4} |
| 464 | DF | .~.~.~.~> Having plural four or more layer devices |