377 / | HD | ELECTRICAL PULSE COUNTERS, PULSE DIVIDERS, OR SHIFT REGISTERS: CIRCUITS AND SYSTEMS |
1 | DF | APPLICATIONS {11} |
19 | DF | .~ Measuring or testing {6} |
24 | DF | .~.~ Dimension {2} |
24.2 | .~.~.~ Distance and Human Activity (e.g., pedometer, nonpowered golf carts) |