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Duplex battery power line for mobile communication terminal

A mobile communication terminal, battery power supply technology, applied in the direction of battery disconnection circuit, battery circuit device, telephone communication, etc., can solve the problem of limited charging capacity and so on

Inactive Publication Date: 2006-03-29
LG ELECTRONICS (CHINA) R&D CENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Recently launched mobile terminals consume a large amount of power with the addition of multimedia functions. Even if the battery capacity installed on the terminal is increased, the charging capacity is limited, so the problem is that it is consumed during calls or additional functions. When all the power is lost, you have to interrupt the call or interrupt the additional function in use to replace the battery

Method used

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  • Duplex battery power line for mobile communication terminal
  • Duplex battery power line for mobile communication terminal
  • Duplex battery power line for mobile communication terminal

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Embodiment Construction

[0022] Embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0023] First, with respect to the reference symbols attached to the constituent elements in each figure, the same constituent elements are also denoted by the same symbols in other drawings.

[0024] Moreover, in the following description, in order to provide a more comprehensive understanding of the present invention, many specific details such as specific processing procedures are proposed. The present invention can also be implemented without these specific details. In this technical field This is clear to those of ordinary knowledge.

[0025] In addition, well-known functions and configurations that unnecessarily obscure the gist of the present invention are considered, and detailed descriptions thereof are omitted in the present invention.

[0026] figure 1 It is a structural frame diagram of the dual battery power supply circuit of the mobile c...

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Abstract

The present invention relates to a duplex battery power line for mobile communication terminal which includes voltage regulation part, the first voltage comparison part, the second voltage comparison part, switch (SW1~SW11) and controlling part. The voltage regulation part adjusts the voltage grades to make them inosculate nearly when the power of the first battery and the second battery exchange; the first voltage comparison part compares the voltage of the first battery and the voltage grade of the second battery adjusted by the voltage regulation; the second voltage comparison part compares the voltage of the second battery and the voltage grade of the first battery adjusted by the voltage regulation part; the controlling part controls all switches to complete the automatic alternation of the battery. This invention transforms the power automatically under the status of keeping the power connection and without using the big capacity capacitor.

Description

technical field [0001] The present invention relates to a dual-battery power supply circuit for a mobile communication terminal, and more particularly to a circuit that can prevent sudden changes in voltage without using a large-capacity capacitor and keeping the power supply connected when one battery is discharged and its voltage becomes low. And the double battery power circuit of the mobile communication terminal of automatic power conversion. Background technique [0002] Recently launched mobile terminals consume a large amount of power with the addition of multimedia functions. Even if the battery capacity installed on the terminal is increased, the charging capacity is limited, so the problem is that it is consumed during calls or additional functions. When all the power is lost, the battery has to be replaced after interrupting the call or interrupting the additional function in use. Contents of the invention [0003] In order to solve the above problems, the obj...

Claims

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Application Information

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IPC IPC(8): H02J7/00H02J9/06
CPCH02J7/0031H04B1/40H04M1/0262H04M2201/34
Inventor 元钟文
Owner LG ELECTRONICS (CHINA) R&D CENT CO LTD
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