US PATENT SUBCLASS 379 / 404
.~.~.~ Automatic adjustment

Current as of: June, 1999
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379 /   HD   TELEPHONIC COMMUNICATIONS

399  DF  SUBSCRIBER LINE OR TRANSMISSION LINE INTERFACE {5}
402  DF  .~ Hybrid circuit {2}
403  DF  .~.~ With adjustable balance circuit {1}
404.~.~.~ Automatic adjustment

DEFINITION

Classification: 379/404

Automatic adjustment:

(under subclass 403) Subject matter which varies the impedance of the balance circuit in accordance with a sensed unbalanced condition.