PROCESS FOR THE BROADCASTING OF CONDITIONAL ACCESS PROGRAMMES PERMITTING A PROGRESSIVE ACCESS TO SUCH PROGRAMMES

摘要

Process for the broadcasting of conditional access programmes permitting a progressive access and process for the progressive access to such programmes. According to the invention transmission takes place of partial access checking messages, which can permit the descrambling and partial restoration of the programme for receivers having a partial access right. Application to the broadcasting of television pictures, radio programmes, sound and data. (No drawing)