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A kind of battery, communication terminal and communication system

A communication terminal and battery technology, applied in the field of communication, can solve the problem of many battery contacts

Active Publication Date: 2018-12-14
HUAWEI DEVICE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The embodiment of the present invention provides a battery, a communication terminal and a communication system to solve the problem of many battery contacts when an NFC antenna is installed on the battery

Method used

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  • A kind of battery, communication terminal and communication system
  • A kind of battery, communication terminal and communication system
  • A kind of battery, communication terminal and communication system

Examples

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Embodiment Construction

[0058] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0059] Please also refer to figure 1 and figure 2 , figure 1 It is a schematic composition diagram of the first embodiment of the battery of the present invention; figure 2 for figure 1 The schematic diagram of the connection between the battery and the communication terminal shown; in this embodiment, the battery includes:

[0060] The charging and discharging module 100 is used for receiving an external charging signal for charging or outputting a DC signal...

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Abstract

Disclosed is a battery. The battery comprises: a charging and discharging module, used for receiving an external charging signal to perform charging or outputting a direct-current signal; a first low-pass filter, used for performing low-pass filtering on a signal from a first path and transmitting the filtered signal to the charging and discharging module, or performing low-pass filtering on the direct-current signal and transmitting the filtered direct-current signal to a power management chip through the first path and a second low-pass filter; an NFC antenna, used for receiving a first NFC alternating-current signal or transmitting a second NFC alternating-current signal; a high-pass filter, used for performing high-pass filtering on the signal from the first path to form the second NFC alternating-current signal, and transmitting the second NFC alternating-current signal to the NFC antenna, or performing high-pass filtering on the first NFC alternating-current signal received by the NFC antenna, and then transmitting the filtered first NFC alternating-current signal to an NFC module through the first path. Also disclosed are a communications terminal and a communications system. By using the present invention, transmission path multiplexing of NFC alternating-current signals and direct-current signals can be implemented.

Description

technical field [0001] The invention relates to the technical field of communication, in particular to a battery, a communication terminal and a communication system. Background technique [0002] With the popularization of intelligent communication terminals such as mobile phones and tablets and the rapid development of the mobile Internet, the number of users of intelligent communication terminals is increasing. Near Field Communication (NFC for short) technology, as an emerging short-distance high-frequency and high-speed wireless communication technology, is being increasingly integrated into communication terminals. By configuring NFC chips in communication terminals and By configuring the NFC antenna on the battery of the communication terminal, the communication terminal can be used as an airport boarding verification tool, a building access key, a traffic card, etc. It brings a lot of convenience to people's life. In the prior art, the installation form of the NFC ...

Claims

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Application Information

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IPC IPC(8): H02J7/00H04B5/00
CPCH01M10/44H02J7/00036H02J7/00047Y02E60/10
Inventor 宋刚
Owner HUAWEI DEVICE CO LTD
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