Patent ID: 6377690
Filing Date: 2002-04-23
Classification: H04L,H04N

Abstract:
Apparatus for transmitting data comprising:a non-secure connection for transmitting the bulk of the data; a secure connection for transmitting the residue of the data; means for splitting a data signal into a first signal representing the bulk of the data, and a second signal representing the residue of the data; means for combining the first signal and the second signal into a combined signal representing all of the data; wherein said means for splitting the data, transmits the bulk of the data over said non-secure connection, and transmits the residue of the data over said secure connection; characterized in that: the means for splitting the data signal performs a split that is dependent on the contents of the data transmitted by the second signal; wherein neither the first signal nor the second signal contains information that is independently interpretable; wherein said second signal transmits information to complete information transmitted by said first signal.