US PATENT SUBCLASS 379 / 345
.~.~ Including two-to-four wire conversion or hybrid circuit

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


379 /   HD   TELEPHONIC COMMUNICATIONS

338  DF  REPEATER (E.G., VOICE FREQUENCY) {9}
344  DF  .~ Component processes bidirectional signals {1}
345.~.~ Including two-to-four wire conversion or hybrid circuit

DEFINITION

Classification: 379/345

Including two-to-four wire conversion or hybrid circuit:

(under subclass 344) Subject matter including a component for coupling two physically separate line pairs each conducting a signal in opposite directions to a single two-wire line carrying signals in opposite directions.

SEE OR SEARCH THIS CLASS, SUBCLASS:

391+, and 402, for other hybrid circuits in telephone equipment.