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Method and equipment for switching option channels of projector according to sequence of degree of users' options

A conversion method, projector technology, applied in discontinuous tuning with separate pre-tuning circuit, adjustment of resonant circuit, parts of color TV, etc.

Inactive Publication Date: 2006-07-05
LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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Problems solved by technology

[0005] However, in this method of channel selection, when the number of designated option channels is large, the user needs to repeatedly press the option channel key several times in order to search for the channel he wants to watch, which is also quite complicated.

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  • Method and equipment for switching option channels of projector according to sequence of degree of users' options
  • Method and equipment for switching option channels of projector according to sequence of degree of users' options
  • Method and equipment for switching option channels of projector according to sequence of degree of users' options

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Embodiment Construction

[0014] The method and device for option channel switching of the present invention will be described in detail below with reference to the accompanying drawings.

[0015] figure 1 It is a composition diagram applicable to a TV set according to an embodiment of the present invention. It includes six parts, one is the tuner 10 that tunes the TV signal to the desired channel; the other is the i / F device 20 that converts the tuning frequency channel to the intermediate frequency section; the third is demodulating the intermediate frequency section TV signal separately Y / C processing device 30 and audio processing device 31 that output image signals and sound signals; the fourth is to receive the red line signal of the remote controller (not shown), and convert the signal into an infrared receiving device 40 for secondary signals; five It is a microcomputer 50 that decomposes the secondary signal, controls the channel, image and sound processing according to the decomposition resu...

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Abstract

The method includes: when switching TV channels, first decides if the channel currently watched by user belongs to the appointed selection channels; if yes, the variable value representing the selection frequency will be renewed; when user inputs an instruction of selection channel, the channel with highest selection frequency will be become the channel to be switched to.

Description

【Technical field】 [0001] The present invention is an invention in terms of a method and a device for switching option channels according to the set display priority of user option channels. 【Background technique】 [0002] Along with popularizing of television sets, all have one or more television sets in the family. In recent years, the demand for TV advertising has increased dramatically. In order to meet this demand, the broadcast media of cable TV and satellite TV besides wireless TV have become important supplements. Cable and satellite TV provide people with quite a lot of TV channels. [0003] As a result, TV viewers need to remember the channel numbers they often watch among a large number of channels to watch the TV programs of the option channels, and then input them through the keys on the remote controller. Or use the "selection key" or "selection key" to search until you find the channel you want to watch. [0004] But in the former method, the viewer needs to...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04N5/44H03J5/24H03J9/00
Inventor 金容载
Owner LEJIN GUANGDIAN ELECTRONIC CO LTD SHANGHAI
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