75634990
Feb 4, 1999
Aug 29, 2000
TELECOMMUNICATIONS DIGITAL FIBER OPTIC TRANSMISSION SYSTEM, COMPRISING OF, ENCODERS, DECODERS, OPTICAL TRANSMITTERS/RECEIVERS, REPEATERS, INTERFACE CIRCUIT CARDS, SIGNAL SYNCHRONIZERS AND SIGNAL SWITCHES WHICH ALLOW CUSTOMERS TO TRANSPORT VIDEO, AUDIO AND DATA LONG DISTANCES OVER FIBER AND FOR SUPPORTING NETWORK CONFIGURATIONS AND MULTIPLE VIDEO FORMATS
Electrical and Scientific Apparatus