Demultiplexing plural data streams

Details Demultiplexing plural data streams Demultiplexing plural data streams

H - Electricity

04

J

363/10

H04J 11/00 (2006.01) H04J 99/00 (2009.01) G11B 20/10 (2006.01) H04L 5/04 (2006.01)

Patent

CA 1168391

ABSTRACT OF THE DISCLOSURE A method and apparatus is presented for demultiplexing two or more streams of data multiplexed in a phase shifted arrangement. Demultiplexing is accomplished by multiplying the composite signal by an individual correlator signal for each data stream, each correlator signal being mutually orthogonal with the other correlator signals. In the data recording art, the invention is particularly useful for reading several data tracks simultaneously, thereby reducing the need for maintaining track spacing. In the data transmission art, the invention is useful for demultiplexing a composite signal, consisting of two or more data streams.

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