| Class 320 | ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING |
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![[List of Pre Grant Publications for class 320 subclass 100]](../as.gif) | ![[List of Patents for class 320 subclass 100]](../ps.gif) | 100 | PRIMARY CELL DEPOLARIZATION |
| | 101 | WIND, SOLAR, THERMAL, OR FUEL-CELL SOURCE |
| | 103 | ONE CELL OR BATTERY CHARGES ANOTHER |
| | 106 | MEANS TO IDENTIFY CELL OR BATTERY TYPE |
| | 107 | CELL OR BATTERY CHARGER STRUCTURE |
| | 108 |  Charger inductively coupled to cell or battery |
| | 109 | Charging station for electrically powered vehicle |
| | 110 | For diverse sizes of cells, batteries, or battery packs |
| | 111 | Having plug for A-C receptacle |
| | 112 | For battery pack |
| | 114 | For handheld device |
| | 116 | SERIALLY CONNECTED BATTERIES OR CELLS |
| | 117 | Switchable to parallel connection |
| | 118 | With discharge of cells or batteries |
| | 119 | With individual charging of plural batteries or cells |
| | 120 | Having variable number of cells or batteries in series |
| | 123 | With generator charging source |
| | 124 | SEQUENTIAL CHARGING OR DISCHARGING OF BATTERIES OR CELLS |
| | 125 | DIVERSE CHARGING OR DISCHARGING RATES FOR PLURAL BATTERIES |
| | 126 | PARALLEL CONNECTED BATTERIES |
| | 127 | BATTERY OR CELL DISCHARGING |
| | 128 | With charging |
| | 129 |  Pulsed discharge |
| | 130 | Cycling (e.g., discharge/charge cycle, etc.) |
| | 134 | With battery or cell condition monitoring (e.g., for protection from overcharging, heating, etc.) |
| | 135 | Regulated discharging |
| | 137 | BATTERY OR CELL CHARGING |
| | 138 | Plural charging sources |
| | 139 | Pulsed |
| | 140 | With DC-DC converter (e.g., flyback supply, etc.) |
| | 141 | Pulse modulation |
| | 146 | Hysteresis type (e.g., antichattering, etc.) |
| | 147 | Gas controlled |
| | 148 | With peak detection of current or voltage (e.g., delta-V or delta-I utilized, etc.) |
| | 149 | With detection of current or voltage integral (e.g., total charge, etc.) |
| | 150 | With thermal condition detection |
| | 151 | Detection of current or voltage differential (e.g., slope, etc.) |
| | 152 | Detection of current or voltage amplitude |
| | 154 | Thermal switch (e.g., thermostat, bimetallic switch, etc.) |
| | 155 | Time control |
| | 156 | Detection of current or voltage differential (e.g., slope, etc.) |
| | 157 | Detection of current or voltage amplitude |
| | 160 | Multi-rate charging (e.g., plural charge rates before a maintenance charge, etc.) |
| | 161 | With detection of current or voltage differential (e.g., slope, etc.) |
| | 162 | With detection of current or voltage amplitude |
| | 165 | With current sensing to detect proper battery connection (e.g., polarity, ripple, reverse current, etc.) |
| | 166 | CAPACITOR CHARGING OR DISCHARGING |
| FOREIGN ART COLLECTIONS | ||
| FOR000 | CLASS-RELATED FOREIGN DOCUMENTS |
| Any foreign patents or non-patent literature from subclasses that have been reclassified have been transferred directly to FOR Collections listed below. These Collections contain ONLY foreign patents or non-patent literature. The parenthetical references in the Collection titles refer to the abolished subclasses from which these Collections were derived. | ||
| FOR100 | CONDENSER CHARGING AND/OR DISCHARGING (320/1) |
| FOR101 | BATTERY CHARGING AND/OR DISCHARGING (320/2) |
| FOR102 | Including dry cells or primary batteries (320/3) |
| FOR104 | Combined charging and discharging (320/5) |
| FOR105 | Plural, diversely treated batteries (320/6) |
| FOR106 |  Series-parallel connections thereof (320/7) |
| FOR107 | Transposition between charging and discharging circuits (320/8) |
| FOR108 | Combined regulation of charging source or circuit and discharging circuit (320/9) |
| FOR109 | Charging source and/or circuit controlled by discharging circuit (320/10) |
| FOR110 | Starting and/or stopping of battery charging (320/11) |
| FOR111 | Charging generator control (320/12) |
| FOR112 | Discharging circuit regulation (320/13) |
| FOR113 | Alternately charging and discharging (320/14) |
| FOR114 | Plural, diversely treated, batteries (320/15) |
| FOR115 | Series-parallel connections thereof (320/16) |
| FOR116 | Series-connected batteries (320/17) |
| FOR118 | Periodic or intermittent charging or discharging (320/19) |
| FOR119 | High-rate, short-time charging systems (320/20) |
| FOR120 | Periodic or intermittent charging or discharging (320/21) |
| FOR121 | Plural rates of charging or discharging (320/22) |
| FOR124 | With polarity control (320/25) |
| FOR126 | Combined control of source and charging circuit (320/27) |
| FOR128 | Combined circuit regulation and circuit-making and/or breaking (320/29) |
| FOR129 | Control responsive to predetermined conditions (320/30) |
| FOR130 | Plural, diverse conditions and/or with time-delay means (320/31) |
| FOR131 | Including voltage and current magnitudes (320/32) |
| FOR133 | For battery circuit-making and/or breaking (320/34) |
| FOR134 | Thermal condition (320/35) |
| FOR136 | Instant of, or period of time (320/37) |
| FOR138 | Voltage or current magnitude (320/39) |
| FOR140 | Speed or centrifugal forces (320/41) |
| FOR142 | Condition of battery charge (320/43) |
| FOR143 | Control by ampere-hour or watt-hour type of device (320/44) |
| FOR145 | Control by gas pressure-responsive means (320/46) |
| FOR146 | For battery circuit-making and/or breaking (320/47) |
| FOR147 | With indicating, signaling and/or testing means (320/48) |
| FOR148 | Battery circuit control (320/49) |
| FOR149 | With bucking and/or boosting e.m.f. in charging circuit (320/50) |
| FOR150 | By impedance in charging or discharging circuit (320/51) |
| FOR152 | Unidirectionally conductive devices in battery circuit (320/53) |
| FOR153 | Battery circuit-making and/or breaking (320/54) |
| FOR155 | Plural, diverse or diversely treated sources of supply for charging (320/56) |
| FOR156 | Rectifying systems for battery charging (320/57) |
| FOR157 | Dynamoelectric-type rectifier (320/58) |
| FOR158 | Unidirectionally conductive-type rectifier (320/59) |
| FOR160 | Generation systems for battery charging (320/61) |
| FOR161 | Physical starting and/or stopping of generator (320/62) |
| FOR163 | Generator field-winding circuit control (320/64) |
| FOR164 | Plural, diversely treated field windings (320/65) |
| FOR166 | Auxiliary source or field circuit e.m.f. (320/67) |
| FOR167 | Field-winding circuit impedance (320/68) |
| FOR170 | Armature or generating circuit shorted or grounded (320/71) |
| FOR171 | Generator structure control (320/72) |
| DIGESTS | ||
| | DIG10 | NONBATTERY LOAD CONTROLS CHARGING |
| | DIG11 | PRIORITIZED SUPPLY OF POWER OR POWER SUPPLY COMPENSATION |
| | DIG12 | PRECHARGING ANALYSIS (E.G., DETERMINING PRESENCE OF BATTERY, ETC.) |
| | DIG13 | FAULT DETECTION |
| | DIG14 | BATTERY ACTS AS BUFFER |
| | DIG15 | POLARITY CONTROL |
| | DIG16 | REMOVAL OF MEMORY EFFECT IN BATTERIES |
| | DIG17 | SENSING OF "GASSING" VOLTAGE |
| | DIG18 | INDICATOR OR DISPLAY |
| | DIG22 | LINE IMPEDANCE (E.G., RESISTOR, ETC.) |
| | DIG25 | OPTICAL COUPLER |
| | DIG26 | BUTTON OR HEARING AID TYPE |
| | DIG27 | TRANSFORMERLESS |
| | DIG28 | REGULATING TRANSFORMER (E.G., HIGH LEAKAGE, FERRO-RESONANT, ETC.) |
| | DIG29 | TRANSFORMER HAVING PLURAL SECONDARIES |
| | DIG30 | PLURAL TRANSFORMERS |
| | DIG31 | PLURAL RECTIFIER SYSTEMS |
| | DIG32 | VOLTAGE DIVIDER HAVING DIVERSE ELEMENTS OTHER THAN MERELY PLURAL RESISTORS |
| | DIG33 | AIRCRAFT OR SPACECRAFT APPLICATION |
| | DIG34 | ROBOT, HYBRID, RECREATIONAL OR EMERGENCY VEHICLE |
| | DIG35 | HOME POWER STATION |
| | DIG36 | DISTRIBUTION SYSTEM (E.G., RAILROAD LIGHTING, ETC.) |