US PATENT SUBCLASS 327 / 547
.~.~ With selectively or alternately DC or AC input

Current as of: June, 1999
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327 /   HD   MISCELLANEOUS ACTIVE ELECTRICAL NONLINEAR DEVICES, CIRCUITS, AND SYSTEMS

524  DF  SPECIFIC IDENTIFIABLE DEVICE, CIRCUIT, OR SYSTEM {22}
530  DF  .~ With specific source of supply or bias voltage {9}
547.~.~ With selectively or alternately DC or AC input

DEFINITION

Classification: 327/547

With selectively or alternately DC or AC input:

(under subclass 530) Subject matter wherein a DC or AC power is selectively or alternately supplied to the input of the circuit device.

SEE OR SEARCH CLASS

307, Electrical Transmission or Interconnection Systems,

18+, and 43+ for plural power supplies, particularly subclasses 23, 29, 64+, or 80+ for selective, substitute, or alternate sources.