WO2019184938A1 - 一种播放fm广播节目的电路、方法及电子设备 - Google Patents

一种播放fm广播节目的电路、方法及电子设备 Download PDF

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Publication number
WO2019184938A1
WO2019184938A1 PCT/CN2019/079819 CN2019079819W WO2019184938A1 WO 2019184938 A1 WO2019184938 A1 WO 2019184938A1 CN 2019079819 W CN2019079819 W CN 2019079819W WO 2019184938 A1 WO2019184938 A1 WO 2019184938A1
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Prior art keywords
circuit
playing
broadcast program
speaker
antenna
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PCT/CN2019/079819
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English (en)
French (fr)
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王朝
马雷
罗伟
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华为技术有限公司
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Publication of WO2019184938A1 publication Critical patent/WO2019184938A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H04B1/16—Circuits
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H20/00—Arrangements for broadcast or for distribution combined with broadcast
    • H04H20/44—Arrangements characterised by circuits or components specially adapted for broadcast
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04H—BROADCAST COMMUNICATION
    • H04H40/00—Arrangements specially adapted for receiving broadcast information
    • H04H40/18—Arrangements characterised by circuits or components specially adapted for receiving

Definitions

  • Embodiments of the present invention relate to the field of electronic technologies, and in particular, to a circuit, a method, and an electronic device for playing an FM broadcast program.
  • FM frequency modulation
  • the present application provides a circuit, method and electronic device for playing an FM broadcast program, which can realize listening to an FM broadcast program without an external earphone.
  • an embodiment of the present invention provides a circuit for playing an FM broadcast program, including: a communication antenna, a speaker, and an FM processing circuit, where the speaker includes a coil, where
  • the communication antenna and the coil of the speaker serve as an FM antenna for receiving a wireless signal
  • the FM processing circuit is configured to process the wireless signal received by the FM antenna to obtain an audio signal corresponding to a play instruction.
  • the communication antenna and the coil of the speaker as the FM antenna, when the FM broadcast program needs to be played, the corresponding wireless signal can be listened to without using the earphone, which is convenient for the user to use.
  • the circuit further includes: a trigger circuit, a processor, an audio amplification circuit, and a low pass filter; wherein
  • the trigger circuit is configured to trigger a play instruction for playing an FM broadcast program
  • the processor is configured to acquire the play instruction and send the play instruction to the FM processing circuit.
  • the audio amplifying circuit and the low pass filter sequentially process an audio signal corresponding to the play instruction, and send the processed audio signal to the speaker for playing.
  • one end of the coil of the speaker is coupled to the communication antenna and the other end of the coil of the speaker is coupled to the FM processing circuit.
  • the FM processing circuit is coupled to the communication antenna and one end of the coil of the speaker, respectively.
  • the FM processing circuit includes: a band pass filter and an FM chip, and the wireless signal received by the FM antenna is filtered by the band pass filter and transmitted to the FM chip.
  • an embodiment of the present invention provides a method for playing an FM broadcast program, which is applied to an electronic device including a communication antenna, a speaker, and an FM processing circuit, the speaker including a coil, the communication antenna, and a coil of the speaker As an FM antenna, for receiving a wireless signal; the method includes:
  • the FM processing circuit processes the wireless signal received by the FM antenna to obtain an audio signal corresponding to the playback command.
  • the communication antenna and the coil of the speaker as the FM antenna, when the FM broadcast program needs to be played, the corresponding wireless signal can be listened to without using the earphone, which is convenient for the user to use.
  • the method further includes:
  • the FM processing circuit acquires, by the processor, a play instruction for playing an FM broadcast program triggered by the trigger circuit;
  • the audio amplifying circuit and the low pass filter sequentially process the audio signal corresponding to the play command, and send the processed audio signal to the speaker for playing.
  • one end of the coil of the speaker is coupled to the communication antenna and the other end of the coil of the speaker is coupled to the FM processing circuit.
  • the FM processing circuit is coupled to one end of the communication antenna and the coil of the speaker, respectively.
  • the FM processing circuit includes a band pass filter and an FM chip, and the wireless signal received by the FM antenna is filtered by the band pass filter and transmitted to the FM chip.
  • an embodiment of the present invention provides an electronic device, where the electronic device includes the circuit for playing an FM broadcast program described in the first aspect or any alternative embodiment of the first aspect.
  • an embodiment of the present invention provides a circuit for playing an FM broadcast program, including: an FM processing circuit, and a fingerprint identification circuit including a flexible printed circuit (FPC); wherein, in the fingerprint identification circuit
  • the FPC receives the wireless signal as an FM antenna, and the FM processing circuit processes the wireless signal received by the FM antenna to obtain an audio signal corresponding to the playback command.
  • the circuit further includes: a trigger circuit and a processor; wherein
  • the trigger circuit is configured to trigger a play instruction for playing an FM broadcast program
  • the processor is configured to acquire the play instruction and send the play instruction to the FM processing circuit.
  • FIG. 1 is a schematic structural diagram of a circuit for playing an FM broadcast program according to an embodiment of the present invention.
  • FIG. 2 is a schematic structural diagram of another circuit for playing an FM broadcast program according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of another circuit for playing an FM broadcast program according to an embodiment of the present invention.
  • FIG. 3 is a schematic structural diagram of another circuit for playing an FM broadcast program according to an embodiment of the present invention.
  • Embodiments of the present invention provide a circuit, a method, and an electronic device for playing an FM broadcast program, which can implement an FM broadcast program without using an external headset.
  • the communication antenna and the coil of the speaker receive the wireless signal as an FM antenna.
  • the communication antenna is coupled to the FM processing circuitry through a coil of the speaker; in another embodiment, the communication antenna and the speaker coil are coupled to the FM processing circuitry, respectively.
  • the processor acquires a trigger instruction for playing the FM broadcast program through the trigger circuit, and the processor sends the acquired trigger instruction to the FM processing circuit, and the FM processing circuit processes the wireless signal received by the FM antenna to obtain The audio signal corresponding to the playback command.
  • the communication antenna and the coil of the speaker as the FM antenna, when the FM broadcast program needs to be played, the corresponding wireless signal can be received without inserting the earphone, which is convenient for the user to use and improves the user experience.
  • FIG. 1 is a schematic structural diagram of a circuit for playing an FM broadcast program according to an embodiment of the present invention.
  • the circuit 100 for playing an FM broadcast program includes: a communication antenna 1011, a speaker 107, an FM processing circuit 102, a trigger circuit 103, a processor 104, an audio amplifier circuit 105, and a low pass filter 106, wherein the speaker 107 Including the coil, the FM processing circuit 102 includes an electrically coupled bandpass filter 1021 and an FM chip 1022.
  • one end of the coil 1012 of the speaker is connected to the communication antenna 1011, and the other end of the coil 1012 of the speaker is connected to the FM processing circuit 102.
  • the FM chip 1022 is connected to the trigger circuit 103 through the processor 104, and the FM chip 1022 is processed.
  • the device 104 acquires a play instruction for playing an FM broadcast program triggered by the trigger circuit 103.
  • the communication antenna 1011 and the coil 1012 of the speaker function as an FM antenna 101 for receiving a wireless signal.
  • the communication antenna 1011 is connected to the band pass filter 1021 of the FM processing circuit 102 through the coil 1012 of the speaker, the band pass filter 1021 filters the wireless signal received by the FM antenna 101, and the FM chip 1022 filters the band pass filter 1021.
  • the wireless signal is processed to obtain an audio signal corresponding to the playback command.
  • the user operation trigger circuit 103 triggers a play instruction requesting to play the FM broadcast program.
  • the play command can be used to request the play channel X corresponding.
  • the FM broadcast program wherein the channel X is any one of the plurality of FM broadcast channels corresponding to the wireless signal received by the FM antenna 101, and the trigger circuit may include a display screen or a shortcut key, etc., in a specific operation, the user
  • the FM radio function can be triggered by operating the display interface in the display screen or by operating a shortcut key, and the playback command of the broadcast program corresponding to the channel X can be requested.
  • the processor 104 acquires the play command and sends the play command to the FM chip 1022.
  • the communication antenna 1011 and the coil 1012 of the speaker are electrically connected to receive the wireless signal as the FM antenna 101.
  • the wireless signal received by the FM antenna 101 is filtered by the band pass filter 1021 in the FM processing circuit 102, and then transmitted to the FM chip 1022, and the FM chip 1022.
  • the received wireless signal is processed according to the play command to obtain an audio signal corresponding to the play command.
  • the audio signal corresponding to the playback command output by the FM chip 1022 is sequentially amplified by the audio amplification circuit 105 and filtered by the low-pass filter 106, and then transmitted to the speaker 107 for playback.
  • the communication antenna and the coil of the speaker as the FM antenna, when the FM broadcast program needs to be played, the corresponding wireless signal can be listened to without using the earphone, which is convenient for the user to use.
  • FIG. 1 can be applied to an electronic device having an FM radio function, such as a smart phone, a music player, a personal digital assistant, a radio, and the like.
  • two sets of test data are obtained, which are (10, 22) and (2, 8), and each set of data corresponds to: only the communication antenna is used as the FM antenna, And the coil of the communication antenna and the speaker is connected according to the connection manner shown in FIG. 1 as the FM antenna receives the wireless signal, and the number of the FM broadcast stations that the smart phone can search for, and the technical solution provided by the embodiment is verified through actual testing.
  • the effect of receiving wireless signals is better.
  • FIG. 2 is a schematic structural diagram of another circuit for playing an FM broadcast program according to an embodiment of the present invention.
  • the circuit 200 for playing an FM broadcast program includes: a communication antenna 2011, a speaker 207, an FM processing circuit 202, a trigger circuit 203, a processor 204, an audio amplifying circuit 205, and a low pass filter 206, wherein the speaker 207 Including the coil, the FM processing circuit 202 includes an electrically coupled bandpass filter 2021 and an FM chip 2022.
  • the FM processing circuit 202 is respectively connected to the communication antenna 2011 and one end of the coil 2012 of the speaker.
  • the FM chip 2022 is connected to the trigger circuit 203 through the processor 204, and the FM chip 2022 acquires the trigger circuit 203 through the processor 204.
  • the communication antenna 2011 and the coil 2012 of the speaker serve as an FM antenna 201 for receiving a wireless signal.
  • the communication antenna 2011 is connected to the band pass filter 2021 of the FM processing circuit 202 through the coil 2012 of the speaker, the band pass filter 2021 filters the wireless signal received by the FM antenna 201, and the FM chip 2022 filters the band pass filter 2021.
  • the wireless signal is processed to obtain an audio signal corresponding to the playback command.
  • the working principle of the above-mentioned circuit for playing an FM broadcast program is as follows: when the user wishes to listen to the FM broadcast program, the user operates the trigger circuit 203 to trigger a play command requesting to play the FM broadcast program.
  • the play command can be used to request the play channel X correspondingly.
  • the FM broadcast program wherein the channel X is any one of the plurality of FM broadcast channels corresponding to the wireless signal received by the FM antenna 201, and the trigger circuit may include a display screen or a shortcut key, etc., in a specific operation, the user
  • the FM radio function can be triggered by operating the display interface in the display screen or by operating a shortcut key, and the playback command of the broadcast program corresponding to the channel X can be requested.
  • the processor 204 acquires the play command and sends the play command to the FM chip 2022.
  • the communication antenna 2011 and the coil 2012 of the speaker are electrically connected to receive the wireless signal as the FM antenna 201.
  • the wireless signal received by the FM antenna 201 is filtered by the band pass filter 1021 in the FM processing circuit 202, and then transmitted to the FM chip 2022, and the FM chip 2022.
  • the received wireless signal is processed according to the play command to obtain an audio signal corresponding to the play command.
  • the audio signal corresponding to the playback command output by the FM chip 2022 is sequentially amplified by the audio amplification circuit 205 and filtered by the low pass filter 206, and then transmitted to the speaker 207 for playback.
  • the communication antenna and the coil of the speaker as the FM antenna, when the FM broadcast program needs to be played, the corresponding wireless signal can be listened to without using the earphone, which is convenient for the user to use.
  • FIG. 2 can be applied to an electronic device having an FM radio function, such as a smart phone, a music player, a personal digital assistant, a radio, or the like.
  • two sets of test data are obtained, which are (10, 21) and (2, 6), and each set of data respectively corresponds to only using the communication antenna as the FM antenna, and
  • the coils of the communication antenna and the speaker are connected according to the connection manner shown in FIG. 2, and the number of FM broadcast stations that can be searched by the smart phone when the wireless antenna receives the wireless signal, and the technical solution provided by the embodiment is verified through actual testing.
  • the reception effect is better.
  • FIG. 3-a is a schematic structural diagram of another circuit for playing an FM broadcast program according to an embodiment of the present invention.
  • the circuit 300 for playing an FM broadcast program includes: a communication antenna 3011, a fingerprint identification circuit 308, an FM processing circuit 302, a trigger circuit 303, a processor 304, an audio amplification circuit 305, and a low-pass filter 306. And speaker 307.
  • the fingerprint identification circuit 308 includes an FPC
  • the FM processing circuit 302 includes an electrically connected band pass filter 3021 and an FM chip 3022.
  • one end of the FPC 3012 in the fingerprint identification circuit is connected to the communication antenna 3011
  • the other end of the FPC 3012 in the fingerprint identification circuit is connected to the FM processing circuit 302
  • the FM chip 3022 is connected to the trigger circuit 303 through the processor 304
  • FM The chip 3022 acquires a play instruction for playing the FM broadcast program triggered by the trigger circuit 303 through the processor 304.
  • the communication antenna 3011 and the FPC 3012 in the fingerprint recognition circuit function as an FM antenna 301 for receiving a wireless signal.
  • the communication antenna 3011 is connected to the band pass filter 3021 of the FM processing circuit 302 through the FPC 3012 in the fingerprint identification circuit, the band pass filter 3021 filters the wireless signal received by the FM antenna 301, and the FM chip 3022 filters the band pass filter 3021.
  • the subsequent wireless signal is processed to obtain an audio signal corresponding to the playback command.
  • the working principle of the above-mentioned circuit for playing an FM broadcast program is as follows: when the user wishes to listen to the FM broadcast program, the user operation trigger circuit 303 triggers a play instruction requesting to play the FM broadcast program.
  • the play command can be used to request the play channel X correspondingly.
  • the FM broadcast program wherein the channel X is any one of a plurality of FM broadcast channels corresponding to the wireless signal received by the FM antenna 301, and the trigger circuit may include a display screen or a shortcut key, etc., in a specific operation, the user
  • the FM radio function can be triggered by operating the display interface in the display screen or by operating a shortcut key, and the playback command of the broadcast program corresponding to the channel X can be requested.
  • the processor 304 acquires the play command and sends the play command to the FM chip 3022.
  • the communication antenna 3011 and the FPC 3012 in the fingerprint identification circuit are electrically connected to receive the wireless signal as the FM antenna 301.
  • the wireless signal received by the FM antenna 301 is filtered by the band pass filter 3021 in the FM processing circuit 302, and then transmitted to the FM chip 3022, FM.
  • the chip 3022 processes the received wireless signal according to the playback command to obtain an audio signal corresponding to the playback command.
  • the audio signal corresponding to the playback command output by the FM chip 3022 is sequentially amplified by the audio amplification circuit 305 and filtered by the low pass filter 306, and then transmitted to the speaker 307 for playback.
  • the communication antenna and the FPC in the fingerprint identification circuit as the FM antenna, when the FM broadcast program needs to be played, the corresponding wireless signal can be listened to without using the earphone, which is convenient for the user to use.
  • FIG. 3-a can be applied to an electronic device with an FM radio function, such as a smart phone, a music player, a personal digital assistant, a radio, and the like.
  • an FM radio function such as a smart phone, a music player, a personal digital assistant, a radio, and the like.
  • FIG. 3-b is a schematic structural diagram of another circuit for playing an FM broadcast program according to an embodiment of the present invention.
  • the difference from the embodiment shown in FIG. 3-a is that the FM processing circuit 302 is connected to the communication antenna 3011 and one end of the FPC 3012 in the fingerprint recognition circuit, respectively.
  • the working principle is described with reference to the description in the embodiment shown in FIG. 3-a, and details are not described herein again.
  • the communication antenna and the FPC in the fingerprint identification circuit as the FM antenna, when the FM broadcast program needs to be played, the corresponding wireless signal can be listened to without using the earphone, which is convenient for the user to use.
  • FIG. 3-a can be applied to an electronic device with an FM radio function, such as a smart phone, a music player, a personal digital assistant, a radio, and the like.
  • an FM radio function such as a smart phone, a music player, a personal digital assistant, a radio, and the like.
  • FIG. 3-a and FIG. 3-b have better reception effects when playing FM broadcast programs.
  • the functions described in the embodiments of the present invention may be implemented in hardware, software, firmware, or any combination thereof.
  • the functions may be stored in a computer readable medium or transmitted as one or more instructions or code on a computer readable medium.
  • Computer readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one location to another.
  • a storage medium may be any available media that can be accessed by a general purpose or special purpose computer.

Abstract

本发明实施例公开了一种播放FM广播节目的电路、方法及电子设备，其中，所述播放FM广播节目的电路包括：通讯天线、扬声器，和FM处理电路，所述扬声器包括线圈，其中，所述通讯天线与所述扬声器的线圈作为FM天线，用于接收无线信号；所述FM处理电路，用于对所述FM天线接收到的所述无线信号进行处理，得到与播放指令对应的音频信号。实施本发明实施例，利用通讯天线与扬声器的线圈作为FM天线，在需要播放FM广播节目时，不用插入耳机就可以收听相应的无线信号，方便了用户使用。

Description

一种播放FM广播节目的电路、方法及电子设备
本申请要求于2018年03月29日提交中国国家知识产权局、申请号为201810273063.2、申请名称为“一种播放FM广播节目的电路、方法及电子设备”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明实施例涉及电子技术领域，尤其涉及一种播放FM广播节目的电路、方法及电子设备。
背景技术
为了满足用户播放调频(frequency modulation，FM)广播节目的需求，目前手机、个人数字助理等电子设备设置了FM收音机功能。
使用FM收音机功能时，需要借助FM天线接收FM信号。目前，通常使用插入耳机插孔的耳机的耳机线作为FM天线。为了收听FM信号，需要携带耳机，若用户忘记携带耳机，则无法收听FM电台节目。
发明内容
本申请提供了一种播放FM广播节目的电路、方法及电子设备，能够实现不用外接耳机就收听到FM广播节目。
第一方面，本发明实施例提供了一种播放FM广播节目的电路，包括：通讯天线、扬声器，和FM处理电路，所述扬声器包括线圈，其中，
所述通讯天线与所述扬声器的线圈作为FM天线，用于接收无线信号；
所述FM处理电路，用于对所述FM天线接收到的所述无线信号进行处理，得到与播放指令对应的音频信号。
采用本发明实施例提供的技术方案，通过利用通讯天线与扬声器的线圈作为FM天线，在需要播放FM广播节目时，不用插入耳机就可以收听相应的无线信号，方便了用户使用。
结合第一方面，在一些可选实施例中，所述电路还包括：触发电路、处理器、音频放大电路、和低通滤波器；其中，
所述触发电路，用于触发播放FM广播节目的播放指令；
所述处理器，用于获取所述播放指令、并将所述播放指令发送给所述FM处理电路。
所述音频放大电路和所述低通滤波器依次对与所述播放指令对应的音频信号进行处理，并将处理后的音频信号发送给所述扬声器播放出来。
结合第一方面，在一些可选实施例中，所述扬声器的线圈的一端与所述通讯天线相连、所述扬声器的线圈的另一端与所述FM处理电路相连。
结合第一方面，在一些可选实施例中，所述FM处理电路分别与所述通讯天线以 及所述扬声器的线圈的一端相连。
结合第一方面，在一些可选实施例中，所述FM处理电路包括：带通滤波器和FM芯片，所述FM天线接收到的无线信号经所述带通滤波器滤波后传到所述FM芯片。
第二方面，本发明实施例提供了一种播放FM广播节目的方法，应用于包括通讯天线、扬声器和FM处理电路的电子设备，所述扬声器包括线圈，所述通讯天线和所述扬声器的线圈作为FM天线，用于接收无线信号；所述方法包括：
FM处理电路对所述FM天线接收的无线信号进行处理，得到与播放指令对应的音频信号。
采用本发明实施例提供的技术方案，通过利用通讯天线与扬声器的线圈作为FM天线，在需要播放FM广播节目时，不用插入耳机就可以收听相应的无线信号，方便了用户使用。
结合第二方面，在一些可选实施例中，所述方法还包括：
所述FM处理电路通过处理器获取触发电路触发的播放FM广播节目的播放指令；
音频放大电路和低通滤波器依次对与所述播放指令对应的音频信号进行处理，并将处理后的音频信号发送给所述扬声器播放出来。
结合第二方面，在一些可选实施例中，所述扬声器的线圈的一端与所述通讯天线相连、所述扬声器的线圈的另一端与所述FM处理电路相连。
结合第二方面，在一些可选实施例中，所述FM处理电路分别与所述通讯天线以及所述扬声器的线圈的一端相连。
结合第二方面，在一些可选实施例中，所述FM处理电路包括带通滤波器和FM芯片，所述FM天线接收到的无线信号经所述带通滤波器滤波后传到所述FM芯片。
第三方面，本发明实施例提供了一种电子设备，所述电子设备包括第一方面或第一方面任一可选实施例描述的播放FM广播节目的电路。
第四方面，本发明实施例提供了一种播放FM广播节目的电路，包括：FM处理电路、包括柔性电路板(flexible printed circuit，FPC)的指纹识别电路；其中，所述指纹识别电路中的FPC作为FM天线接收无线信号，FM处理电路对所述FM天线接收的无线信号进行处理，得到与播放指令对应的音频信号。
结合第四方面，在一些可选实施例中，所述电路还包括：触发电路和处理器；其中，
所述触发电路，用于触发播放FM广播节目的播放指令；
所述处理器，用于获取所述播放指令、并将所述播放指令发送给所述FM处理电路。
附图说明
图1是本发明实施例提供的一种播放FM广播节目的电路的结构示意图。
图2是本发明实施例提供的另一种播放FM广播节目的电路的结构示意图。
图3-a是本发明实施例提供的另一种播放FM广播节目的电路的结构示意图。
图3-b是本发明实施例提供的另一种播放FM广播节目的电路的结构示意图。
具体实施方式
本发明实施例提供了一种播放FM广播节目的电路、方法及电子设备，可以实现不用外接耳机就能播放FM广播节目。
本发明的实施例，将通讯天线和扬声器的线圈作为FM天线接收无线信号。具体地，在一种实施例中，通讯天线通过扬声器的线圈与FM处理电路相连；在另一实施例中，通讯天线和扬声器线圈分别与FM处理电路相连。
在本发明实施例中，处理器通过触发电路获取播放FM广播节目的触发指令，处理器将获取的触发指令发送给FM处理电路，FM处理电路对FM天线接收到的无线信号进行处理，得到与播放指令对应的音频信号。
本发明实施例中，通过利用通讯天线与扬声器的线圈作为FM天线，在需要播放FM广播节目时，不用插入耳机就可接收相应的无线信号，方便了用户使用，提升了用户体验。
请参阅图1，图1为本发明实施例提供的一种播放FM广播节目的电路的结构示意图。如图1所示，播放FM广播节目的电路100包括：通讯天线1011、扬声器107、FM处理电路102、触发电路103、处理器104、音频放大电路105、和低通滤波器106，其中扬声器107包括线圈，FM处理电路102包括电连接的带通滤波器1021和FM芯片1022。
在该实施例中，扬声器的线圈1012的一端与通讯天线1011相连、扬声器的线圈1012的另一端与FM处理电路102相连，FM芯片1022通过处理器104与触发电路103相连，FM芯片1022通过处理器104获取触发电路103触发的播放FM广播节目的播放指令。通讯天线1011和扬声器的线圈1012作为FM天线101，FM天线101用于接收无线信号。通讯天线1011通过扬声器的线圈1012与FM处理电路102的带通滤波器1021相连，带通滤波器1021对FM天线101接收到的无线信号进行滤波，FM芯片1022对带通滤波器1021滤波后的无线信号进行处理，得到与播放指令对应的音频信号。
上述播放FM广播节目的电路的工作原理如下：在用户希望收听FM广播节目时，用户操作触发电路103触发请求播放FM广播节目的播放指令，举例来说，播放指令可以用于请求播放频道X对应的FM广播节目，其中，频道X为FM天线101接收到的无线信号对应的多个FM广播频道中的任一FM广播频道，触发电路可以包括显示屏或者快捷键等，在具体操作时，用户可以通过操作显示屏中的显示界面或者操作快捷键的方式触发启动FM收音功能、以及请求播放频道X对应的广播节目的播放指令，处理器104获取播放指令并将播放指令发送给FM芯片1022。通讯天线1011和扬声器的线圈1012电连接作为FM天线101接收无线信号，FM天线101接收到的无线信号经过FM处理电路102中的带通滤波器1021滤波后，传给FM芯片1022，FM芯片1022根据播放指令对接收的无线信号进行处理，得到与播放指令对应的音频信号。FM芯片1022输出的与播放指令对应的音频信号依次经音频放大电路105放大和低通滤波器106滤波后传给扬声器107进行播放。
采用本实施例提供的技术方案，通过利用通讯天线与扬声器的线圈作为FM天线， 在需要播放FM广播节目时，不用插入耳机就可以收听相应的无线信号，方便了用户使用。
可以理解的，图1对应的实施例可以应用在智能手机、音乐播放器、个人数字助理、收音机等具有FM收音功能的电子设备。
通过在无线信号强弱不同的两个地方分别进行实际测试，得到两组测试数据，分别是(10、22)和(2、8)，每组数据分别对应：只采用通讯天线作为FM天线、以及采用通讯天线和扬声器的线圈按照图一所示连接方式连接作为FM天线接收无线信号时，智能手机能搜索到的FM广播台的数量，通过实际测试，验证了采用本实施例提供的技术方案播放FM广播节目时，接收无线信号的效果较好。
请参阅图2，图2为本发明实施例提供的另一种播放FM广播节目的电路的结构示意图。如图2所示，播放FM广播节目的电路200包括：通讯天线2011、扬声器207、FM处理电路202、触发电路203、处理器204、音频放大电路205、和低通滤波器206，其中扬声器207包括线圈，FM处理电路202包括电连接的带通滤波器2021和FM芯片2022。
在该实施例中，FM处理电路202分别与通讯天线2011以及所述扬声器的线圈2012的一端相连，FM芯片2022通过处理器204与触发电路203相连，FM芯片2022通过处理器204获取触发电路203触发的播放FM广播节目的播放指令。通讯天线2011和扬声器的线圈2012作为FM天线201，FM天线201用于接收无线信号。通讯天线2011通过扬声器的线圈2012与FM处理电路202的带通滤波器2021相连，带通滤波器2021对FM天线201接收到的无线信号进行滤波，FM芯片2022对带通滤波器2021滤波后的无线信号进行处理，得到与播放指令对应的音频信号。
上述播放FM广播节目的电路的工作原理如下：在用户希望收听FM广播节目时，用户操作触发电路203触发请求播放FM广播节目的播放指令，举例来说，播放指令可以用于请求播放频道X对应的FM广播节目，其中，频道X为FM天线201接收到的无线信号对应的多个FM广播频道中的任一FM广播频道，触发电路可以包括显示屏或者快捷键等，在具体操作时，用户可以通过操作显示屏中的显示界面或者操作快捷键的方式触发启动FM收音功能、以及请求播放频道X对应的广播节目的播放指令，处理器204获取播放指令并将播放指令发送给FM芯片2022。通讯天线2011和扬声器的线圈2012电连接作为FM天线201接收无线信号，FM天线201接收到的无线信号经过FM处理电路202中的带通滤波器1021滤波后，传给FM芯片2022，FM芯片2022根据播放指令对接收的无线信号进行处理，得到与播放指令对应的音频信号。FM芯片2022输出的与播放指令对应的音频信号依次经音频放大电路205放大和低通滤波器206滤波后传给扬声器207进行播放。
采用本实施例提供的技术方案，通过利用通讯天线与扬声器的线圈作为FM天线，在需要播放FM广播节目时，不用插入耳机就可以收听相应的无线信号，方便了用户使用。
可以理解的，图2对应的实施例可以应用在智能手机、音乐播放器、个人数字助 理、收音机等具有FM收音功能的电子设备。
通过在无线信号强弱不同的两个地方分别进行实际测试，得到两组测试数据，分别是(10、21)和(2、6)，每组数据分别对应只采用通讯天线作为FM天线、以及采用通讯天线和扬声器的线圈按照图2所示的连接方式连接作为FM天线接收无线信号时，智能手机能搜索到的FM广播台的数量，通过实际测试，验证了采用本实施例提供的技术方案播放FM广播节目时，接收效果较好。
请参阅图3-a，图3-a为本发明实施例提供的另一种播放FM广播节目的电路的结构示意图。如图3-a所示，播放FM广播节目的电路300包括：通讯天线3011、指纹识别电路308、FM处理电路302、触发电路303、处理器304、音频放大电路305、低通滤波器306、和扬声器307。其中，指纹识别电路308包括FPC，FM处理电路302包括电连接的带通滤波器3021和FM芯片3022。
在该实施例中，指纹识别电路中的FPC3012的一端与通讯天线3011相连、指纹识别电路中的FPC3012的另一端与FM处理电路302相连，FM芯片3022通过处理器304与触发电路303相连，FM芯片3022通过处理器304获取触发电路303触发的播放FM广播节目的播放指令。通讯天线3011和指纹识别电路中的FPC3012作为FM天线301，FM天线301用于接收无线信号。通讯天线3011通过指纹识别电路中的FPC3012与FM处理电路302的带通滤波器3021相连，带通滤波器3021对FM天线301接收到的无线信号进行滤波，FM芯片3022对带通滤波器3021滤波后的无线信号进行处理，得到与播放指令对应的音频信号。
上述播放FM广播节目的电路的工作原理如下：在用户希望收听FM广播节目时，用户操作触发电路303触发请求播放FM广播节目的播放指令，举例来说，播放指令可以用于请求播放频道X对应的FM广播节目，其中，频道X为FM天线301接收到的无线信号对应的多个FM广播频道中的任一FM广播频道，触发电路可以包括显示屏或者快捷键等，在具体操作时，用户可以通过操作显示屏中的显示界面或者操作快捷键的方式触发启动FM收音功能、以及请求播放频道X对应的广播节目的播放指令，处理器304获取播放指令并将播放指令发送给FM芯片3022。通讯天线3011和指纹识别电路中的FPC3012电连接作为FM天线301接收无线信号，FM天线301接收到的无线信号经过FM处理电路302中的带通滤波器3021滤波后，传给FM芯片3022，FM芯片3022根据播放指令对接收的无线信号进行处理，得到与播放指令对应的音频信号。FM芯片3022输出的与播放指令对应的音频信号依次经音频放大电路305放大和低通滤波器306滤波后传给扬声器307进行播放。
采用本实施例提供的技术方案，通过利用通讯天线与指纹识别电路中的FPC作为FM天线，在需要播放FM广播节目时，不用插入耳机就可以收听相应的无线信号，方便了用户使用。
可以理解的，图3-a对应的实施例可以应用在智能手机、音乐播放器、个人数字助理、收音机等具有FM收音功能的电子设备。
请参阅图3-b，图3-b为本发明实施例提供的另一种播放FM广播节目的电路的结 构示意图。与图3-a所示的实施例的区别在于：FM处理电路302分别与通讯天线3011以及指纹识别电路中的FPC3012的一端相连。工作原理参照图3-a所示实施例中的描述，这里不再赘述。
采用本实施例提供的技术方案，通过利用通讯天线与指纹识别电路中的FPC作为FM天线，在需要播放FM广播节目时，不用插入耳机就可以收听相应的无线信号，方便了用户使用。
可以理解的，图3-a对应的实施例可以应用在智能手机、音乐播放器、个人数字助理、收音机等具有FM收音功能的电子设备。
通过实际测试，图3-a以及图3-b对应的实施例在播放FM广播节目时，接收效果较好。
本领域技术人员可以意识到，在上述一个或多个实施例中，本发明实施例所描述的功能可以用硬件、软件、固件或它们的任意组合来实现。当使用软件实现时，可以将这些功能存储在计算机可读介质中或者作为计算机可读介质上的一个或多个指令或代码进行传输。计算机可读介质包括计算机存储介质和通信介质，其中通信介质包括便于从一个地方向另一个地方传送计算机程序的任何介质。存储介质可以是通用或专用计算机能够存取的任何可用介质。
以上的具体实施方式，对本发明实施例的目的、技术方案和有益效果进行了进一步详细说明，所应理解的是，以上仅为本发明实施例的具体实施方式而已，并不用于限定本发明实施例的保护范围，凡在本发明实施例的技术方案的基础之上，所做的任何修改、等同替换、改进等，均应包括在本发明实施例的保护范围之内。

Claims (11)

  1. 一种播放FM广播节目的电路，其特征在于，包括：通讯天线、扬声器，和FM处理电路，所述扬声器包括线圈，其中，
    所述通讯天线与所述扬声器的线圈作为FM天线，用于接收无线信号；
    所述FM处理电路，用于对所述FM天线接收到的所述无线信号进行处理，得到与播放指令对应的音频信号。
  2. 根据权利要求1所述的播放FM广播节目的电路，其特征在于，所述电路还包括：触发电路、处理器、音频放大电路、和低通滤波器；其中，
    所述触发电路，用于触发播放FM广播节目的播放指令；
    所述处理器，用于获取所述播放指令、并将所述播放指令发送给所述FM处理电路；
    所述音频放大电路和所述低通滤波器依次对与所述播放指令对应的音频信号进行处理，并将处理后的音频信号发送给所述扬声器播放出来。
  3. 根据权利要求1或2所述的播放FM广播节目的电路，其特征在于，
    所述扬声器的线圈的一端与所述通讯天线相连、所述扬声器的线圈的另一端与所述FM处理电路相连。
  4. 根据权利要求1或2所述的播放FM广播节目的电路，其特征在于，
    所述FM处理电路分别与所述通讯天线以及所述扬声器的线圈的一端相连。
  5. 根据权利要求1或2所述的播放FM广播节目的电路，其特征在于，
    所述FM处理电路包括：带通滤波器和FM芯片，所述FM天线接收到的无线信号经所述带通滤波器滤波后传到所述FM芯片。
  6. 一种播放FM广播节目的方法，其特征在于，应用于包括通讯天线、扬声器和FM处理电路的电子设备，所述扬声器包括线圈，所述通讯天线和所述扬声器的线圈作为FM天线，用于接收无线信号；所述方法包括：
    所述FM处理电路对所述FM天线接收到的所述无线信号进行处理，得到与播放指令对应的音频信号。
  7. 根据权利要求6所述的播放FM广播节目的方法，其特征在于，所述方法还包括：
    所述FM处理电路通过处理器获取触发电路触发的播放FM广播节目的播放指令；
    音频放大电路和低通滤波器依次对与所述播放指令对应的音频信号进行处理，并将处理后的音频信号发送给所述扬声器播放出来。
  8. 根据权利要求6或7所述的播放FM广播节目的方法，其特征在于，
    所述扬声器的线圈的一端与所述通讯天线相连、所述扬声器的线圈的另一端与所述FM处理电路相连。
  9. 根据权利要求6或7所述的播放FM广播节目的方法，其特征在于，
    所述FM处理电路分别与所述通讯天线以及所述扬声器的线圈的一端相连。
  10. 根据权利要求6或7所述的播放FM广播节目的方法，其特征在于，
    所述FM处理电路包括带通滤波器和FM芯片，所述FM天线接收到的无线信号经所述带通滤波器滤波后传到所述FM芯片。
  11. 一种电子设备，其特征在于，所述电子设备包括权利要求1-5中任意一项所述的播放FM广播节目的电路。
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