| 363 / | HD | ELECTRIC POWER CONVERSION SYSTEMS |
| 13 | DF | CURRENT CONVERSION {25} |
| 74 | DF | .~ With condition responsive means to control the output voltage or current {3} |
| 78 | DF | .~.~ Cooperating separate sensing and control means {3} |
| 79 | DF | .~.~.~ Including plural sensing or control means {2} |
| 80 | ![]() | .~.~.~.~ With transistor as control means in the line circuit |