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TV set and its program information obtaining method, TV broadcasting receiving system

A technology of program information and television, applied in specific information broadcasting systems, broadcasting related systems, components of TV systems, etc., can solve problems such as long time

Inactive Publication Date: 2008-12-31
KK TOSHIBA
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, when the number of televisions connected to the network increases, it takes a long time for the process of causing the televisions to detect the latest program information from a plurality of pieces of program information held by the remaining televisions.

Method used

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  • TV set and its program information obtaining method, TV broadcasting receiving system
  • TV set and its program information obtaining method, TV broadcasting receiving system

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Embodiment Construction

[0011] Embodiments according to the present invention will be described below with reference to the accompanying drawings. In general, according to one embodiment of the present invention, in a system formed by connecting TV1 and STB2, during updating EPG information, TV1 determines whether the state of the TV allows acquisition of EPG information. If the state does not allow obtaining EPG information, TV1 requests STB2 to obtain EPG information. When receiving the EPG information acquisition request from TV1 and the state of the STB permits acquisition of EPG information, STB2 acquires the EPG information and transmits the acquired EPG information (the latest EPG information) to TV1. TV1 updates the EPG information held in storage unit 111 based on the latest EPG information received from STB2.

[0012] Embodiments of the present invention will be described in detail with reference to the accompanying drawings.

[0013] figure 1 is an exemplary block diagram showing an exa...

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PUM

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Abstract

According to one embodiment, in a system formed by connecting a TV and an STB, the TV determines, in updating EPG information, whether the state of the TV allows EPG information acquisition. If the state does not allow EPG information acquisition, the TV requests the STB to acquire EPG information. When the EPG information acquisition request is received from the TV, and the state of the STB allows EPG information acquisition, the STB acquires EPG information and transmits the acquired EPG information (latest EPG information) to the TV. The TV updates the EPG information saved in a memory unit on the basis of the latest EPG information received from the STB.

Description

technical field [0001] An embodiment of the present invention relates to a television set that acquires program information included in a TV broadcast wave, a TV broadcast receiving system, and a program information acquisition method used in the television set. Background technique [0002] For example, in recent terrestrial digital broadcasting, digital broadcast waves of each channel contain program information of the corresponding station. In this case, in order to acquire program information of a station, it is necessary to receive the broadcast wavelength of the channel for a predetermined time or longer. For example, in analog broadcasting, broadcast waves of a specific channel provide program information of each station in a predetermined time zone. In this case, in order to acquire program information, the television must receive the wavelength of a specific channel within a predetermined time zone for a predetermined time or longer. However, in a use case where t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/44H04N5/445H04N7/08H04B1/16H04H60/72H04H60/80H04H60/95H04N7/173
CPCH04N21/235H04N21/4122H04N21/4263H04N21/4331H04N21/4345H04N21/435H04N21/482H04N21/47H04N21/426
Inventor 中邨贤治
Owner KK TOSHIBA