FIELD: information technology.
SUBSTANCE: decoder and subscription television data control system proposed contain at least two decoders, each of those is connected to at least one removable protective module. The protection is realised using identification data, contained in the decoder and protective module indicated. Besides, each of the decoders contains a descrambler and subscription television data processing deactivation units. Each decoder also contains a counter, which influences the deactivation units mentioned. Besides, at least one of the removable protective modules is assigned as primary and therefore contains decoder counter reinitialisation units.
EFFECT: provision of capability to regulate decoder operation time and to adjust operation parameters at any time using protective module.
19 cl, 13 dwg
