Data transmission system capable of carrying out a data transmis

Details Data transmission system capable of carrying out a data transmis Data transmission system capable of carrying out a data transmis

1996-01-16

1998-02-10

Tarcza, Thomas H.

Cryptography

Key management

Having particular key generator

380 49, 370509, 370514, 375365, H04L 900, H04J 306

Patent

active

057177619

ABSTRACT:
A transmission section is responsive to first through K-th data signals to transmit a transmission signal through a transmission path to a reception section. The transmission signal has first through K-th frames which carry said first through said K-th data signals and first through K-th transmission unique words, respectively, where K represents a positive integer which is greater than one. The transmission section comprises a first producing section for producing the first through the K-th transmission unique words in accordance with a predetermined unique word and each of first through K-th specific patterns and a second producing section for producing the transmission signal in accordance with the first through the K-th transmission unique words and the first through the K-th data signals. The first through the K-th transmission unique words are different from one another. The reception section is responsive to a recetion signal based on the transmission signal to produce the transmission signal to produce the first through the K-th data signal after establishing a frame synchroniza-tion in accordance with the first through the K-th transmission unique words.

REFERENCES:
patent: 5007088 (1991-04-01), Ooi et al.
patent: 5229997 (1993-07-01), Hirata et al.

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