Cryptography – Particular algorithmic function encoding – Nbs/des algorithm
Patent
1986-11-25
1989-01-10
Cangialosi, Salvatore
Cryptography
Particular algorithmic function encoding
Nbs/des algorithm
380 10, H04L 904
Patent
active
047979194
ABSTRACT:
A receiver having an interface arrangement for connection between a television circuit and a conditional access sub-system conveys data via a bus having a four frame bus cycle period with a bit rate corresponding to the line rate. During a first part of the bus cycle period data is conveyed from the receiver to the sub-system sequentially as follows:
REFERENCES:
patent: 4475123 (1984-10-01), Dumbould et al.
patent: 4600921 (1986-07-01), Thomas
patent: 4613901 (1986-09-01), Gilhousen
patent: 4649419 (1987-03-01), Arragon et al.
patent: 4694489 (1987-09-01), Frederiksen
Coutrot Francoise M. R.
Guillou Louis
Murray Bruce
Cangialosi Salvatore
Etablissement Public de Diffusion de France
Etat Francais
Gadson Gregory P.
U.S. Philips Corporation
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