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Portable electronic device

An electronic device and portable technology, applied in broadcasting devices, electrical components, transmission systems, etc., can solve the problems of inability to use FM radio function, inconvenient use, etc., and achieve better radio effect and convenient use.

Inactive Publication Date: 2012-07-11
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, when the user forgets to carry the earphone, the FM radio function will not be available, which is inconvenient to use

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0012] See figure 1 and figure 2 , The portable electronic device 100 with radio function according to the first embodiment of the present invention includes a frequency modulation (FM) chip 10, an earphone interface 20, a charging interface 30, and a data interface 40, an earphone interface 20, a charging interface 30, and a data interface. The interfaces 40 are all connected to the FM chip 10, and the earphone interface 20, the charging interface 30, and the data interface 40 are respectively connected to the earphone 50, the charger 60 and the transmission line 70 to receive FM signals through the earphone 50, the charger 60 and the transmission line 70 and Transfer to the FM chip 10.

[0013] The FM chip 10 is an integrated FM radio receiving circuit for searching FM channels, selecting and receiving FM signals, and outputting the received audio signals to a playback device (such as a player or earphones) of a portable electronic device. The FM chip 10 has a signal input pin...

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PUM

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Abstract

The invention relates to a portable electronic device, which comprises an FM (Frequency Modulation) chip, an earphone interface, a charger interface and a data interface, wherein the FM chip is used for selectively receiving an FM signal and converting the FM signal into an audio signal; the earphone interface, the charger interface and the data interface are respectively used for accessing an earphone, a charger and a transmission wire into the portable electronic device; and the earphone interface, the charger interface and the data interface are respectively connected to the FM chip. The portable electronic device has the capabilities of receiving the FM signal by simultaneously taking one or more of the earphone, the charge and the transmitting wire as an antenna and transmitting the received signal to the FM chip through the earphone interface, the charger interface and the data interface.

Description

Technical field [0001] The invention relates to a portable electronic device, in particular to a portable portable electronic device with a radio function. Background technique [0002] At present, many consumer portable electronic devices, such as mobile phones, portable media players (Moving Picture Experts Group Audio Layer III, MP3), personal digital assistants, and radios, have FM radio functions. [0003] Generally, the integration level of the FM receiving circuit in the portable electronic device with the FM radio function in the prior art has been very high, and it can be realized by only using a single chip and a number of passive components. However, for the FM antenna, since the antenna needs a long length, it is not easy to integrate into a portable electronic device. Therefore, consider using a headset as the FM antenna. When using the FM radio function, you need to insert the earphone into the jack, and use a certain length of earphone wire as an FM antenna to recei...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/06H04H40/00
Inventor 王朝
Owner SHENZHEN FUTAIHONG PRECISION IND CO LTD
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