US Patent Class 320
ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING-- Main Headings




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Current as of: June, 1999
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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}
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FOREIGN ART COLLECTIONS
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FOR 100  DF  CONDENSER CHARGING AND/OR DISCHARGING (320/1)
FOR 101  DF  BATTERY CHARGING AND/OR DISCHARGING (320/2) {15}
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DIGESTS
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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.)