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Remote control method enabling a user to control the operation of a receiving unit

A receiving device and remote control technology, applied to color TV parts, TV system parts, analog security/charging systems, etc., can solve problems such as non-corresponding time, syntax errors, etc.

Inactive Publication Date: 2007-07-11
VIACCESS SA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

A disadvantage of these mechanisms is that since they are only able to detect fixed base cases, such as syntax errors in messages or electrical or time-based behaviors that do not correspond to predetermined templates

Method used

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  • Remote control method enabling a user to control the operation of a receiving unit

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Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0032] The following description refers to the specific application of the method in a system for broadcasting audiovisual programs, said system comprising a central management site at the operator and a set of receiving devices, each containing a screen, a decoder device and a security processor consisting of a smart card.

[0033] The central management site contains a programmable module, a set of actions, a list of test / action relationships, and a time sequence involving each test / action relationship. In case of abnormal or unauthorized use of the decoder or smart card, the operator can trigger the set of actions at any time depending on the tests performed.

[0034] The central management site is also configured to transmit to each decoder a description of the determined test, a description of the determined action, a description of the list of test / action relationships and the time involved in each test / action relationship. Device for sequence description.

[0035] The...

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PUM

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Abstract

A remote control method enabling a user to control the operation of a receiving unit in a digital data distribution network. The method comprises the steps of (a) defining a set of remotely actuatable tests in said receiving unit, such that the respective results of said tests enable at least one special use of at least one portion of the receiving unit to be identified; (b) defining a set of actions executable in said receiving unit, which actions are intended to control the operation of said unit; (c) combining at least one action defined in step (b) with each of the tests defined in step (a); and (d) remotely actuating at least one test among the tests defined in step (a).

Description

technical field [0001] The present invention is intended to prevent the theft of digital data broadcast by an operator in scrambled form to some users who have access. [0002] More specifically, the present invention relates to a method for remotely controlling the use of receiving equipment by an operator in a digital data broadcasting network. [0003] In particular, the purpose of said control is to detect any fraudulent attempts to scramble said data. [0004] The invention also relates to a receiving device comprising a decoder and a security processor adapted to implement said method. For example the security processor may be a smart card. Background technique [0005] In a conventional conditional access control system, access rights are checked by considering the conditions to be satisfied by the user receiving device in terms of the access control technology used, the operator providing the data, or the operator's business policy. The operator transmits to the r...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N7/16H04N5/00H04N7/167
CPCH04N21/4623H04N7/167H04N21/4405H04N21/4181H04N21/44236H04N21/266
Inventor F·比恩L·鲍迪尔
Owner VIACCESS SA