Authorized television operator identifying method for digital television field, involves controlling particular operator to be operator of authorized operator list by control modules, and authorizing usual functioning of digital set up box

摘要

#CMT# #/CMT# The method involves storing an authorized operator list in data memories (113) of a digital set up box (200), where the list comprises two operators. A particular operator pertaining a chip card is controlled to be the operator of the authorized operator list by access control modules (114), and usual functioning of the digital set up box is authorized. The controlling of the operator comprises provoking a triggering of identified interrogation function managed by the control modules. #CMT#USE : #/CMT# Used in a digital television field for identifying an authorized television operator within a digital set up box (claimed). #CMT#ADVANTAGE : #/CMT# The method permits a company to control two television operators for providing subscribers with the unique digital set up box to function for the television operators. #CMT#DESCRIPTION OF DRAWINGS : #/CMT# The drawing shows a schematic representation of a digital set up box. `(Drawing includes non-English language text)` 103 : Memory unit 113 : Data memories 114 : Access control modules 162 : Authorized operator list 200 : Digital set up box.