An exciting command is transmitted from a center of a CATV system to a plurality of terminals in a block at the same time for exciting circuits in each terminal. A command to request each of the terminals to send response data is transmitted from the center to the terminals in sequence after...http://www.google.fr/patents/US5714945?utm_source=gb-gplus-shareBrevet US5714945 - Bidirectional communication method for CATV system
Bidirectional communication method for CATV system
