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Information encoder/decoder using chaotic systems

United States Patent

*** EXPIRED ***
October 21, 1997
View the Complete Patent at the US Patent & Trademark Office
Sandia National Laboratories - Visit the Intellectual Property Management and Licensing Website
The present invention discloses a chaotic system-based information encoder and decoder that operates according to a relationship defining a chaotic system. Encoder input signals modify the dynamics of the chaotic system comprising the encoder. The modifications result in chaotic, encoder output signals that contain the encoder input signals encoded within them. The encoder output signals are then capable of secure transmissions using conventional transmission techniques. A decoder receives the encoder output signals (i.e., decoder input signals) and inverts the dynamics of the encoding system to directly reconstruct the original encoder input signals.
Miller; Samuel Lee (Albuquerque, NM), Miller; William Michael (Tijeras, NM), McWhorter; Paul Jackson (Albuquerque, NM)
Sandia Corporation (Albuquerque, NM)
08/ 512,518
August 7, 1995
I. GOVERNMENT RIGHTS This invention was made with United States Government support under Contract No. DE-AC04-94AL85000 awarded by the U.S. Department of Energy. The Government has certain rights in this invention.