Decoder for a pay television system

Details Decoder for a pay television system Decoder for a pay television system

H - Electricity

04

N

350/22

H04N 7/16 (2006.01) G07F 7/00 (2006.01)

Patent

CA 1261960

ABSTRACT A decoder control circuit for a pay television system having a descrambler for descrambling a selected video program transmitted from a center at a remote location, a receiver and decoder control data transmitted from the center, the control data including at least program feed data and program status data, advance money memory for storing money data transmitted from the center, a control for subtracting a, program fee from the money data stored in the advance money memory upon reception of the selected program.

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