Mobile phone, and method and device for dynamically tuning television internal antenna thereof

A technology with a built-in antenna and mobile phone TV, applied in TV, antenna, color TV, etc., can solve the problems of large size, low receiving sensitivity, different receiving sensitivity, etc., to solve the problem of narrowing antenna bandwidth, improving receiving sensitivity, and stable performance Effect
CN101873382AActive Publication Date: 2010-10-27深圳市经纬科技有限公司
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
深圳市经纬科技有限公司
Publication Date
2010-10-27

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Abstract

The invention relates to a mobile phone, and a method and a device for dynamically tuning a television internal antenna thereof. The method for dynamically tuning the television internal antenna of the mobile phone comprises the following steps that: a mobile phone baseband circuit receives a frequency band selection signal and a frequency channel selection signal, controls a television receiving chip to be tuned to the selected frequency band and frequency channel, connects the internal antenna to a corresponding tuning network of a plurality of tuning networks in an electronic tuning circuit through the frequency band selection switch based on the selected frequency band so as to set the electronic tuning circuit in the selected frequency band, and regulates the electronic tuning circuit based on the selected frequency channel to make the electronic tuning circuit reach the tuning point of the selected frequency channel. In the invention, an optimal receiving frequency point can be dynamically changed to be synchronous with a television channel to be watched so as to realize the dynamical tuning matching with an optimal sensitivity and improve the receiving sensitivity of an antenna system. Moreover, the invention has the advantages of stable performance, low cost and small volume.
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Description

technical field

[0001] The present invention relates to communication equipment, more specifically, to a dynamic tuning method and device for a television built-in antenna of a television receiver built in a portable communication equipment. Background technique

[0002] With the development of communication networks and continuous expansion of services, mobile communication terminal devices such as mobile phones have become necessities for people's daily work and life. Users also have more and more functional requirements for mobile phones. For example, many users want their mobile phones to be equipped with TV functions so that they can watch programs they are interested in in their spare time. As a result, mobile phone manufacturers have developed mobile phones with TV functions. At present, the antennas of mobile TV can be divided into two types: built-in antennas and external antennas.

[0003] The receiving frequency range of mobile TV is from 150MHz-870MHz. In order...

Claims

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