Portable computer and noise filtering method thereof

A computer and portable technology, applied in the field of noise filtering, can solve problems such as power loss, achieve the effect of reducing interference and maintaining power efficiency

Active Publication Date: 2013-04-03
ACER INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the long-term operation of the noise filter circuit will cause a large loss of power

Method used

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  • Portable computer and noise filtering method thereof
  • Portable computer and noise filtering method thereof
  • Portable computer and noise filtering method thereof

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Experimental program
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Embodiment Construction

[0038] The known portable computer has the shortcoming that the receiving quality is susceptible to noise interference, and if a noise filtering circuit is used, a large amount of power consumption will be caused.

[0039] On the contrary, in the embodiment of the present invention, the portable computer can detect the receiving quality of the wireless communication module, so as to decide whether to activate the noise filtering circuit (such as a low-pass filter). More specifically, if the strength of the wireless signal is poor, the noise filter circuit can be activated to filter out the high-frequency noise of the power signal, reducing the interference of the high-frequency noise of the power signal to the wireless signal, thereby improving the strength of the wireless signal. If the strength of the wireless signal is good, it means that the wireless signal is not easily disturbed by noise. At this time, the noise filter circuit can be turned off to prolong the battery life...

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Abstract

The invention relates to a portable computer and a noise filtering method thereof. The portable computer comprises a main board, a wireless communication module and a control module, wherein the main board comprises a power supply input end, a low-pass filter and a noise-filtering switch; the power supply input end is used for receiving a power supply signal; the low-pass filter is used for filtering the high-frequency noise of the power supply signal; the noise-filtering switch can enable the low-pass filter according to a control signal; the wireless communication module is used for wirelessly transmitting a wireless signal; and the control module is used for detecting if the strength of the wireless signal is lower than a preset strength, so as to generate the control signal. In such amanner, the power consumption can be reduced and the interference of the power supply signal to the wireless signal also can be reduced.

Description

technical field [0001] The invention relates to a noise filtering technology for a power supply signal, and in particular to a noise filtering technology suitable for a portable computer with a wireless communication module. Background technique [0002] With the advancement of technology, computers are becoming more and more popular. In particular, portable computers are highly convenient, and almost all of them are equipped with wireless communication modules, which can meet the diverse needs of people and are favored by people. It is worth mentioning that portable computers use batteries to provide power, and there is still considerable room for improvement in battery life. How to prolong the battery life of portable computers has become one of the important issues of various manufacturers. [0003] In addition, in places where there are many obstacles, the receiving quality of the wireless communication module needs to be improved. Not only that, when the portable com...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G06F1/16H04B1/10
CPCY02B60/50
Inventor 陈逸群林永森
Owner ACER INC
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