LYNCH
PULSE CODE MODULATED SYSTEMS FOR THE TRANSMISSION OF VOICE, DATA, TELETYPEWRITER, TELEX, AND COMBINATIONS THEREOF OVER CABLE AND MICROWAVE TRUNK AND SUBSCRIBER CIRCUITS, SAID SYSTEMS COMPRISING CHANNEL BANK UNITS, SPAN LINES, SPAN LINE SWITCHING UNITS, SPAN LINE TERMINATING SHELVES, REPEATERS, FAULT TERMINALS, FAULT FILTERS, CONTROL UNITS, PULSE CODE TRANSMITTERS AND RECEIVERS, POWER SUPPLIES, SOFTWARE-CONTROLLED VOICE CONCENTRATORS, ALARM UNITS, LEAD CONDITIONING UNITS, MULTIPLEXERS, AND SUB...
Cancelled · June 18, 1984 · 73485571 ·