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Near field communication (NFC) and frequency modulation (FM) antenna system

A frequency modulation and near-field communication technology, applied in near-field transmission systems, transmission systems, electrical components, etc., to solve problems such as inconvenience for users

Inactive Publication Date: 2014-06-11
SHENZHEN FUTAIHONG PRECISION IND CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this will make the user of the electronic device have to plug in the earphone when using the frequency modulation function, which may bring inconvenience to the user

Method used

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  • Near field communication (NFC) and frequency modulation (FM) antenna system
  • Near field communication (NFC) and frequency modulation (FM) antenna system

Examples

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Embodiment Construction

[0011] The NFC and frequency modulation antenna system of the preferred implementation mode of this embodiment can be applied to a portable electronic device. The portable electronic device can be a mobile phone, a personal digital assistant (Personal Digital Assistance, PDA) and a handheld computer, etc., and has both a near field communication (Near Field Communication, NFC) function and a frequency modulation (Frequency Modulation, FM) function.

[0012] see figure 1 , the near-field communication and frequency modulation antenna system 100 of the preferred embodiment of this example includes an antenna 10, a common matching module 20, a gating module 30, an NFC matching module 40, an FM matching module 50, an NFC chip 60, an FM chip 70 and a main control chip 80. The antenna 10 can be a planar coil installed in a portable electronic device. The shared matching module 20 is electrically connected to the antenna 10 for matching the antenna 10 to be shared by multiple frequ...

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PUM

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Abstract

Disclosed is a near field communication (NFC) and frequency modulation (FM) antenna system which is applied to a portable electronic apparatus. The system comprises an antenna, an NFC chip, an FM chip, a master control chip, a common coupling module electrically connected with the antenna, a gating module electrically connected with the common coupling module and the master control chip, an NFC coupling module electrically connected between the gating module and the NFC chip, and an FM coupling module electrically connected between the gating module and the FM chip. The common coupling module is used for coupling the antenna to multiple frequency bands for sharing, the master control chip is used for sending a control signal to the gating module and controlling the gating module to conduct the antenna to the NFC coupling module and the NFC chip or conduct the antenna to the FM coupling module and the FM chip, when the antenna is conducted and connected to the NFC chip, the NFC coupling module is used for tuning to the work frequency of the NFC chip, and when the antenna is conducted and connected to the FM chip, the FM coupling module is used for tuning to the work frequency of the FM chip.

Description

technical field [0001] The invention relates to an antenna system for a portable electronic device, in particular to an antenna system that can be shared by near-field communication and frequency modulation. Background technique [0002] Portable electronic devices are usually designed with a frequency modulation function. In the prior art, when implementing the frequency modulation function, an earphone connected externally to the portable electronic device is usually used as an antenna for frequency modulation. However, this will make the user of the electronic device have to plug in the earphone when using the frequency modulation function, which may bring inconvenience to the user. Contents of the invention [0003] In view of this, it is necessary to provide a near-field communication and frequency modulation antenna system that can avoid the use of an external headset. [0004] A near-field communication and frequency modulation antenna system applied to portable e...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/40H04B5/00H04B1/3827
Inventor 高愈昌
Owner SHENZHEN FUTAIHONG PRECISION IND CO LTD
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