US PATENT SUBCLASS 379 / 405
.~.~ Electronic noninductive

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}
405.~.~ Electronic noninductive

DEFINITION

Classification: 379/405

Electronic noninductive:

(under subclass 402) Subject matter which connects the bidirectional two-wire line with two unidirection two-wire lines and operated by means of an element in which signal transmission is controlled by an electron discharge device or a semiconductor component.