Parallel transmission through plurality of optical fibers

Details Parallel transmission through plurality of optical fibers Parallel transmission through plurality of optical fibers

1995-10-31

1997-05-13

Barron, Jr., Gilberto

Cryptography

Key management

Having particular key generator

359158, 359173, 370506, 370515, H04B 1012, H04J 306

Patent

active

056299834

ABSTRACT:
In one aspect of the present invention, a coding part of a transmitter side codes N series of input data into N+1 series of transmission data so that each of N+1 series of transmission data have frames and have the same transmission rates as those of the input data. For example, a bit transfer unit comprised in the coding part moves i-th bits of series i to the additional series N+1 where i=1 to N and a complement bit insertion unit inserts complements of an (N+1)-th bit of series 1 and (j-1)-th bits of series j into a first bit position of series 1 and j-th bit positions of series j, respectively, wherein J=2 to N. A frame signal insertion unit units alternate frame signal into the series N+1. BSI is secured by this simple construction.

REFERENCES:
patent: 5056120 (1991-10-01), Taniguchi et al.
patent: 5165077 (1992-11-01), Rokugawa et al.
patent: 5185799 (1993-02-01), McNesby et al.
patent: 5274487 (1993-12-01), Fujimoto et al.

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