A bidirectional cable network having a signal distribution system that prevents undesirable energy in the bidirectional cable network's return path from adversely effecting the entire network. The signal distribution system a first signal transmitted in a forward path direction over the bidirectional...http://www.google.de/patents/US5815794?utm_source=gb-gplus-sharePatent US5815794 - Undesirable energy suppression system in the return path of a bidirectional cable network having dynamically allocated time slots 
