US PATENT SUBCLASS 320 / FOR 156
.~ Rectifying systems for battery charging (320/57)

Current as of: June, 1999
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320 /   HD   ELECTRICITY: BATTERY OR CAPACITOR CHARGING OR DISCHARGING

FOR 101  DF  BATTERY CHARGING AND/OR DISCHARGING (320/2) {15}
FOR 156.~ Rectifying systems for battery charging (320/57) {2}
FOR 157  DF  .~.~> Dynamoelectric-type rectifier (320/58)
FOR 158  DF  .~.~> Unidirectionally conductive-type rectifier (320/59) {1}

DEFINITION

Classification: 320/FOR.156

Foreign art collection in which means are provided for receiving electric energy of alternating polarity, converting

it into electrical energy of unidirectional polarity and delivering it to a battery charging circuit.