968 / | HD | HOROLOGY |
801 | DD | APPARATUS WHICH CAN BE SET AND STARTED TO MEASURE OFF PREDETERMINED OR ADJUSTABLY FIXED TIME INTERVALS WITHOUT DRIVING MECHANISMS, E.G., EGG TIMER, ETC. (electric time and time-program switches H01H 43/00) [G04F 1/00] {3} |
802 | .~ Using electronic timing, e.g., counting means, etc. (pulse time delay arrangements H03K 5/13; modifications of electronic switches for introducing a time delay before switching H03K 17/28) [G04F 1/00B] |