US PATENT SUBCLASS 320 / 121
.~.~ Switchable cells (e.g., for voltage regulation, etc.)

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

116  DF  SERIALLY CONNECTED BATTERIES OR CELLS {5}
120  DF  .~ Having variable number of cells or batteries in series {2}
121.~.~ Switchable cells (e.g., for voltage regulation, etc.)

DEFINITION

Classification: 320/121

Switchable cells (e.g., for voltage regulation, etc.):

(under subclass 120) Subject matter including means for switching a cell or cells into or out of serially-connected

relationship with another cell or cells.

SEE OR SEARCH THIS CLASS, SUBCLASS:

135, for battery discharging with the regulation of the output.

SEE OR SEARCH CLASS

307, Electrical Transmission or Interconnection Systems,

41, for sequential or alternation connections of load circuits.