A host device is disclosed. The host device includes a processor and a control mechanism. The processor operates to receive primary and associated data, decode and separate the associated data from the primary data, and cause the associated data to be rendered on a separate hand held device. The processor...http://www.google.ca/patents/US6732373?utm_source=gb-gplus-sharePatent US6732373 - Host apparatus for simulating two way connectivity for one way data streams
