A telemetry system for transferring blocks of pulsed data signals to and from daisy chains of addressable data ports. The telemetry system includes a daisy chain of input data ports and a parallel daisy chain of output data ports; an output data line and an input data line each serially-connecting the...http://www.google.se/patents/US4617566?utm_source=gb-gplus-sharePatent US4617566 - Addressable-port, daisy chain telemetry system with self-test capability
