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Broadcast receiving system

A broadcast receiving and audio-visual technology, applied in broadcast system control, analog security/charging system, two-way working system, etc., can solve problems such as user trouble

Inactive Publication Date: 2008-08-20
PANASONIC CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For example, if you want to watch a program with the auxiliary audio-visual terminal device located in the bedroom on the second floor, but the main audio-visual terminal device in the living room on the first floor is not powered on, go to the living room on the first floor to turn on the power of the main audio-visual terminal device, and then return to the Go to the second floor to watch the program, causing trouble for the user

Method used

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Embodiment approach 1

[0028] Hereinafter, a broadcast receiving system according to an embodiment of the present invention will be described with reference to the drawings. As shown in FIG. 1 , the broadcast receiving system CC includes a communication line 10 , a communication line 20 , a central device 100 , a main audio-visual terminal device 200 and n (n is an arbitrary natural number) secondary audio-visual terminal devices 300_1-300_n. The center device 100 is installed in a base station that distributes television broadcasts through a network such as CATV. The main audiovisual terminal device 200 and the sub audiovisual terminal devices 300_1 to 300_n are connected to the center device 100 through the communication line 10, respectively.

[0029] The main audio-visual terminal device 200 and the sub audio-visual terminal devices 300_1 to 300_n are collectively referred to as audio-visual terminal devices. Similarly, sub-audio-visual terminal devices 300_1 to 300_n are collectively referred ...

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Abstract

The present invention provides a broadcast receiving system capable of receiving programs with a secondary viewing terminal device(s) even when a primary viewing terminal device is not turned on, and detecting a secondary viewing terminal device(s) used in an unauthorized manner. When device authentication between the secondary viewing terminal device and the primary viewing terminal device is established through a communication line, viewing is allowed for the secondary viewing terminal device. When the device authentication is not established, viewing is controlled for the secondary viewing terminal device based on viewing restriction information generated by the center device based on the power status of the primary viewing terminal device.

Description

technical field [0001] The present invention relates to a broadcast receiving system. In a CATV system having a two-way communication function, etc., it is possible to detect illegal use of a subscriber's audio-visual terminal device lent to a non-subscriber, etc., and installed outside the contracted subscriber's residence. More specifically, it relates to A broadcast receiving system capable of controlling audio-visual terminal devices to prevent such unauthorized use. Background technique [0002] Conventionally, in a CATV (cable television) system, one audio-visual terminal device such as a set-top box is generally installed in a subscriber's house. However, when family members want to individually watch a distributed program, audio-visual terminal devices corresponding to the number of family members who want to watch individually are required even in the same household of contract subscribers. In the original billing system, the subscriber must pay the service provide...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04H60/21H04N7/10H04N7/16H04N7/173H04N21/24H04N21/41H04N21/4363H04N21/6334H04N21/6587
CPCH04N21/43615H04N7/17318H04N21/454H04N21/44236H04N21/4542H04N21/4516H04N21/4627H04N21/8355
Inventor 冈本祐树
Owner PANASONIC CORP