Method and arrangement for transmitting characters

Details Method and arrangement for transmitting characters Method and arrangement for transmitting characters

1982-12-13

1986-12-02

Cangialosi, Salvatore

Pulse or digital communications

Repeaters

Testing

178 2203, H04L 902

Patent

active

046270744

ABSTRACT:
In order to prevent bit combinations which are assigned to specific control characters from arising when ciphering characters, transmittable characters which consist of a part of the ciphered character and fill characters are generated from the ciphered characters. When the ciphered characters respectively consists of m binary characters, respectively small n binary characters from a sequence of ciphered characters are provided with (m-n) fill characters and combined to form the transmittable characters. The binary values of the fill characters are selected in such a manner that no undesired control characters occur within the transmittable characters and given specific sequence of transmittable characters.

REFERENCES:
patent: 3773977 (1973-11-01), Guawella
patent: 3878332 (1975-04-01), Morgan et al.
patent: 3921151 (1975-11-01), Guawella
patent: 3970790 (1976-06-01), Guawella
patent: 4208545 (1980-06-01), Zenner
patent: 4262359 (1981-04-01), Cory et al.
patent: 4329545 (1982-05-01), Westermayer
patent: 4369333 (1983-01-01), Gemperle et al.

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