| | CLASS NOTES |
| 100 | DF | PRIMARY CELL DEPOLARIZATION |
| 101 | DF | WIND, SOLAR, THERMAL, OR FUEL-CELL SOURCE {1} |
| 103 | DF | ONE CELL OR BATTERY CHARGES ANOTHER {1} |
| 106 | DF | MEANS TO IDENTIFY CELL OR BATTERY TYPE |
| 107 | DF | CELL OR BATTERY CHARGER STRUCTURE {6} |
| 116 | DF | SERIALLY CONNECTED BATTERIES OR CELLS {5} |
| 124 | DF | SEQUENTIAL CHARGING OR DISCHARGING OF BATTERIES OR CELLS |
| 125 | DF | DIVERSE CHARGING OR DISCHARGING RATES FOR PLURAL BATTERIES |
| 126 | DF | PARALLEL CONNECTED BATTERIES |
| 127 | DF | BATTERY OR CELL DISCHARGING {2} |
| 137 | DF | BATTERY OR CELL CHARGING {11} |
| 166 | DF | CAPACITOR CHARGING OR DISCHARGING {1} |
| | ********************************* |
| | FOREIGN ART COLLECTIONS |
| | ********************************* |
| FOR 100 | DF | CONDENSER CHARGING AND/OR DISCHARGING (320/1) |
| FOR 101 | DF | BATTERY CHARGING AND/OR DISCHARGING (320/2) {15} |
| | ********************************* |
| | DIGESTS |
| | ********************************* |
| DIG 10 | DF | NONBATTERY LOAD CONTROLS CHARGING |
| DIG 11 | DF | PRIORITIZED SUPPLY OF POWER OR POWER SUPPLY COMPENSATION |
| DIG 12 | DF | PRECHARGING ANALYSIS (E.G., DETERMINING PRESENCE OF BATTERY, ETC.) |
| DIG 13 | DF | FAULT DETECTION |
| DIG 14 | DF | BATTERY ACTS AS BUFFER |
| DIG 15 | DF | POLARITY CONTROL |
| DIG 16 | DF | REMOVAL OF MEMORY EFFECT IN BATTERIES |
| DIG 17 | DF | SENSING OF "GASSING" VOLTAGE |
| DIG 18 | DF | INDICATOR OR DISPLAY {3} |
| DIG 22 | DF | LINE IMPEDANCE (E.G., RESISTOR, ETC.) {2} |
| DIG 25 | DF | OPTICAL COUPLER |
| DIG 26 | DF | BUTTON OR HEARING AID TYPE |
| DIG 27 | DF | TRANSFORMERLESS |
| DIG 28 | DF | REGULATING TRANSFORMER (E.G., HIGH LEAKAGE, FERRO-RESONANT, ETC.) |
| DIG 29 | DF | TRANSFORMER HAVING PLURAL SECONDARIES |
| DIG 30 | DF | PLURAL TRANSFORMERS |
| DIG 31 | DF | PLURAL RECTIFIER SYSTEMS |
| DIG 32 | DF | VOLTAGE DIVIDER HAVING DIVERSE ELEMENTS OTHER THAN MERELY PLURAL RESISTORS |
| DIG 33 | DF | AIRCRAFT OR SPACECRAFT APPLICATION |
| DIG 34 | DF | ROBOT, HYBRID, RECREATIONAL OR EMERGENCY VEHICLE |
| DIG 35 | DF | HOME POWER STATION |
| DIG 36 | DF | DISTRIBUTION SYSTEM (E.G., RAILROAD LIGHTING, ETC.) |