Multi-television channel selection method

A TV and channel selection technology, applied in the field of multi-TV channel selection, can solve the problems of high digital image signal transmission rate, inconvenient TV remote control channel selection, etc., and achieve the effect of simple lines

Active Publication Date: 2012-06-06
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the set-top box is generally placed in the same room as the TV set, you can use the remote control to control the set-top box to select TV programs, and the home gateway may not be placed in the same room as the TV set because it needs to connect multiple devices. Remote control brings inconvenience. More importantly, if the home gateway directly outputs the decompressed SD or HD TV signal to the TV, it cannot be effectively transmitted on the channel due to the high transmission rate required by the digital image signal.

Method used

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with the accompanying drawings.

[0015] Such as figure 1 As shown, the present invention is a home digital TV system based on power carrier, including a home gateway 1 and a digital TV 2 based on a power carrier. The home gateway 1 and the digital TV 2 are connected to each other through a home power line 16 .

[0016] The home gateway 1 includes a CPU main processor 3, a storage module 4 connected to the CPU main processor 3, a smart card module 5 and a remote control module 6, a tuner 7 connected in turn, a channel demodulator 8, and a demultiplexer 9. Descrambling module 10 and power modulation and demodulation module 11; the tuner 7 receives a digital television signal, and the signal is decoded by a channel demodulator 8 to output a transport stream; the transport stream is passed through a demultiplexer 9 The corresponding program stream is extracted, and after being descrambled by the descra...

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Abstract

The invention provides a power carrier-based home digital television system, which comprises a power carrier-based home gateway and digital televisions, wherein the home gateway is interconnected with the digital televisions through power lines. The invention also provides a multi-television channel selection method, which comprises the following steps of: connecting the home gateway and a plurality of digital televisions through the home power lines, and sending remote control signals emitted by a remote controller of any digital television to the home gateway through the digital television so as to remotely control the home gateway to select television programs. The method realizes centralized control of the home gateway on the digital televisions, supports multiple digital televisions to freely select different programs, and solves the problems of more connecting loops between the home gateway and the digital televisions and high transmission rate requirement. In addition, the method can support standard-definition and high-definition televisions.

Description

technical field [0001] The invention relates to a method for multi-television channel selection. Background technique [0002] At present, most residents use analog TV to watch broadcast TV programs. Even if they watch cable digital TV programs, they convert digital TV signals into analog signals through digital set-top boxes and then transmit them to analog TV. With the continuous promotion of smart homes, home gateways have begun to be widely used. The home gateway can integrate the functions of the set-top box, and can realize centralized control of all TVs in the home, but there are still some problems that need to be solved urgently. Since the set-top box is generally placed in the same room as the TV set, you can use the remote control to control the set-top box to select TV programs, and the home gateway may not be placed in the same room as the TV set because it needs to connect multiple devices. The remote control channel selection brings inconvenience. More impor...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/434H04N21/63
Inventor 王召福高怀恩陈永鹏
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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