US PATENT SUBCLASS 455 / 15
.~ Two separate way transmission

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

Internet Version by PATENTEC © 1999      Terms of Use


455 /   HD   TELECOMMUNICATIONS

7  DF  CARRIER WAVE REPEATER OR RELAY SYSTEM (I.E., RETRANSMISSION OF SAME INFORMATION) {12}
15.~ Two separate way transmission {1}
16  DF  .~.~> Simultaneous using plural repeaters at each location

DEFINITION

Classification: 455/15

Two separate way transmission:

(under subclass 7) Subject matter where the relay or repeater operates in at least two directions.

SEE OR SEARCH CLASS

178, Telegraphy,

71.1+, for automatic two-way repeaters specific to telegraphy.

370, Multiplex Communications,

276+, for duplex communications.