CN101848408A - Built-in mobile phone speaker and operating method thereof - Google Patents
Built-in mobile phone speaker and operating method thereof Download PDFInfo
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- CN101848408A CN101848408A CN 201010164999 CN201010164999A CN101848408A CN 101848408 A CN101848408 A CN 101848408A CN 201010164999 CN201010164999 CN 201010164999 CN 201010164999 A CN201010164999 A CN 201010164999A CN 101848408 A CN101848408 A CN 101848408A
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- mobile phone
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- audio amplifier
- amplifier
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Abstract
The invention provides a built-in mobile phone speaker, which comprises an audio input interface, a two-way analog switch, a frequency modulating audio input port, a micro control unit comprising an audio module, an audio amplifier and a speaker. An external sound source is connected to an audio input interface and external sound is played. The invention also provides an operating method for the built-in mobile phone speaker. A mobile phone external line is connected to a mobile phone external jack which is inserted into the audio input interface; the two-way analog switch is switched to the external sound source; signals of the external sound source enter the frequency modulating audio input port, are processed by the audio module and are output to the audio amplifier; and the external sound is played through the speaker. Under the condition of no special sound box, the built-in mobile phone speaker can realize the playing function so as to realize sharing. The built-in mobile phone speaker can be used as a micro sound box and carried.
Description
Technical field
The present invention relates to a kind of built-in mobile phone speaker, especially can play built-in mobile phone speaker and method of operation thereof from external sound source.
Background technology
At present the function of mobile phone is more and more, and voice playing is the basic functions in the mobile phone.Because the user is increasing to the volume demand of mobile phone, on the mobile phone quantity of loudspeaker from one to two in addition three or four have; The size of loudspeaker is 10 millimeters to 20 millimeters also in continuous increase from diameter, even to 30 millimeters, 40 millimeters have.By the volume of mobile phone loudspeaker is done the source of sound of playing mobile phone inside greatly as far as possible.But the mobile phone of these many loudspeaker and typhon can only be play the source of sound of mobile phone inside at present.
In addition, some audio players and family's desktop computer do not have outer playing function, are not having can only to exclusively enjoy audio frequency by earphone under the situation of special sound box, can not realize that many people share.
Summary of the invention
The present invention can only play inner source of sound and some audio players at present and can only be undertaken by the drawback that earphone exclusively enjoys audio frequency for solving mobile phone, its purpose is to provide a kind of built-in mobile phone speaker, this built-in mobile phone can will not have the source of sound of outer playing function to play back by built-in mobile phone speaker as miniature loudspeaker box.
The built-in mobile phone speaker that the present invention relates to comprises: audio input interface, two-way analog switch, frequency modulation(FM) audio input port comprise the micro-control unit of audio-frequency module, audio frequency amplifier and loudspeaker; Two-way analog switch is connected between audio input interface and the frequency modulation(FM) audio input port, this frequency modulation(FM) audio input port is integrated on this micro-control unit, this audio frequency amplifier is connected the frequency modulation(FM) audio input port, and loudspeaker are connected this audio frequency amplifier; The outside socket of one mobile phone is the input port of this audio input interface, and the mobile phone external connection is connected to the outer handset socket, external sound source is connected to this audio input interface and external sound source is played back by these loudspeaker.
Preferably, this two-way analog switch is carried out gating via a general I/O control chip to mobile phone inside source of sound and external sound source.
Preferably, this built-in mobile phone speaker more comprises the FM radio machine chip that is connected with the frequency modulation interface, plays the inner source of sound of mobile phone with this.
The present invention more relates to the method for operation of audio amplifier, comprising: the mobile phone external connection is connected to the outer handset socket, presses the audio amplifier shortcut function button on the mobile phone, mobile phone enters the audio amplifier pattern, and shows the image of audio amplifier on the mobile phone screen; When opening the external sound source signal, according to showing the prompting frame that whether leaves the audio amplifier pattern on the mobile phone screen, to playing external sound source and playing inner source of sound and make judgement; Select "No" to keep the audio amplifier pattern, this two-way analog switch is chosen on the external audio, the external sound source signal enters the frequency modulation(FM) audio input port, handle through audio-frequency module, output to this audio frequency amplifier, by loudspeaker external sound source is played back, select "Yes" to leave the audio amplifier pattern, play inner source of sound.
Preferably, close the image that shows audio amplifier on this mobile phone screen, enter the normal operating state of mobile phone, do not influence the normal use of mobile phone.When earphone inserted, software had detected earphone automatically by terminal and has inserted, and switches to headset mode, realizes the original function of mobile phone.
Preferably, when mobile phone uses as audio amplifier, when opening external audio signal,, audio amplifier pattern and the inner source of sound function of broadcast are carried out gating by general I/O control chip according to suggestion content on the mobile phone screen.
Preferably, when mobile phone is in the audio amplifier pattern, sends a telegram here suddenly or short message is arranged, mobile phone can suspend the audio amplifier pattern, continues to carry out the audio amplifier pattern when incoming call or short message dispose.
Preferably, the size that source of sound provides end can change the input volume, the volume of audio amplifier also can be controlled by the multistage volume of mobile phone end simultaneously.
According to this invention, playing function outside under not having the situation of special sound box, can realizing by this built-in mobile phone speaker, thus realize that many people share.This built-in mobile phone speaker can be carried as miniature loudspeaker box.In addition, power supply is to be provided by battery of mobile phone, avoids the restriction of the Alternating Current Power Supply of conventional audio amplifier needs; By the demonstration of mobile phone screen, realize the visualized operation interface of audio amplifier, hommization more.
Description of drawings
After having read the specific embodiment of the present invention with reference to accompanying drawing, will become apparent various aspects of the present invention.Wherein,
Fig. 1 is the structural representation of built-in mobile phone speaker; And
Fig. 2 shows schematic diagram for mobile phone screen.
Embodiment
With reference to the accompanying drawings, the specific embodiment of the present invention is described in further detail.In whole description, identical Reference numeral is represented identical parts.
Fig. 1 is the structural representation of built-in mobile phone speaker.With reference to Fig. 1, built-in mobile phone speaker 100 comprises audio input interface 101, two-way analog switch 102, frequency modulation(FM) audio input port 103, comprises the micro-control unit 104 of audio-frequency module (not drawing among the figure), audio frequency amplifier 105 and loudspeaker 106.Two-way analog switch 102 is connected between audio input interface 101 and the frequency modulation(FM) audio input port 103, audio frequency amplifier 105 is connected frequency modulation(FM) audio input port 103, loudspeaker 106 are connected audio frequency amplifier 105, and frequency modulation(FM) audio input port 103 is integrated on the micro-control unit 104.Outer handset socket 109 is input ports of audio input interface 101, and the mobile phone external connection is connected to outer handset socket 109, external sound source is connected to audio input interface 101 and external sound source is played back by loudspeaker 106.Built-in mobile phone speaker 100 more comprises the FM radio machine chip 108 that is connected with frequency modulation interface 107, plays the inner source of sound of mobile phone with this.
Two-way analog switch 102 comprises switch a and switch b, and when switch a touches contact 2, switch b touches contact 4 simultaneously, and system is in the initial condition of playing the inner source of sound of mobile phone; When switch a touches contact 1, switch b touches contact 3 simultaneously, and system is in the initial condition of playing external sound source.Two-way analog switch 102 is carried out gating via a general I/O control chip to mobile phone inside source of sound and external sound source.
The mobile phone external connection is connected to outer handset socket 109, insert audio input interface 101, after external sound source was opened, general I/O control chip carried out gating, and the switch a in the two-way analog switch 102 touches contact 1, switch b touches contact 3 simultaneously, choose on the external audio, the external sound source signal enters frequency modulation(FM) audio input port 103, handles through audio-frequency module (not drawing among the figure), output to audio frequency amplifier 105, external sound source is played back by loudspeaker 106.Playing function outside under not having the situation of special sound box, can realizing by built-in mobile phone speaker 100, thus realize that many people share.
Fig. 2 shows schematic diagram for mobile phone screen.With reference to Fig. 2, the mobile phone external connection is pressed the audio amplifier shortcut function button 201 on the mobile phone after inserting audio input interface 101, and mobile phone enters the audio amplifier pattern, and shows audio amplifier image 203 on the mobile phone screen 202; Close the audio amplifier image 203 that shows on the mobile phone screen 202, enter the normal operating state of mobile phone, do not influence the normal use of mobile phone.When earphone inserted, software had detected earphone automatically by terminal and has inserted, and switches to headset mode, realizes the original function of mobile phone.
When mobile phone uses as audio amplifier, when opening external audio signal,, audio amplifier pattern and the inner source of sound function of broadcast are carried out gating by general I/O control chip according to showing the prompting frame that whether leaves the audio amplifier pattern on the mobile phone screen 202.For example, can point out on the mobile phone screen 202: " leaving the audio amplifier pattern? ", select "Yes" to leave the audio amplifier pattern, play inner source of sound, select "No" not open inner the broadcast, continue to keep the audio amplifier pattern.By the demonstration of mobile phone screen 202, realize the visualized operation interface of audio amplifier, hommization more.
When mobile phone is in the audio amplifier pattern, to send a telegram here suddenly or short message is arranged, mobile phone can suspend the audio amplifier pattern, continues to carry out the audio amplifier pattern when incoming call or short message dispose.Power supply is to be provided by battery of mobile phone, avoids the restriction of the Alternating Current Power Supply of conventional audio amplifier needs.
The size that source of sound provides end can change the input volume, the volume of audio amplifier also can be controlled by the multistage volume of mobile phone end simultaneously.
Claims (9)
1. audio amplifier, described audio amplifier places mobile phone inside, it is characterized in that, described audio amplifier comprises: an audio input interface, a two-way analog switch, a frequency modulation(FM) audio input port, one comprises the micro-control unit of audio-frequency module, an audio frequency amplifier and loudspeaker; Described two-way analog switch is connected between described audio input interface and the described frequency modulation(FM) audio input port, described frequency modulation(FM) audio input port is integrated on the described micro-control unit, described audio frequency amplifier is connected described frequency modulation(FM) audio input port, and described loudspeaker are connected described audio frequency amplifier; The outside socket of one mobile phone is the input port of described audio input interface, and a mobile phone external connection is connected to the outside socket of a mobile phone, external sound source is connected to described audio input interface and described external sound source is played back by described loudspeaker.
2. audio amplifier according to claim 1 is characterized in that, described two-way analog switch is carried out gating via a general I/O control chip.
3. audio amplifier according to claim 2 is characterized in that, described two-way analog switch is carried out gating to mobile phone inside source of sound and external sound source.
4. audio amplifier according to claim 1 is characterized in that, described audio amplifier comprises that more one is connected with the FM radio machine chip of frequency modulation interface.
5. the method for operation of audio amplifier as claimed in claim 1 is characterized in that, the method for operation of described audio amplifier comprises:
A. described mobile phone external connection is connected to the outer handset socket, inserts described audio input interface;
B. press the audio amplifier shortcut function button on the described mobile phone, mobile phone enters the audio amplifier pattern, and shows the image of audio amplifier on the mobile phone screen;
When c. opening the external sound source signal, according to the prompting frame that whether leaves the audio amplifier pattern that shows on the mobile phone screen, to playing external sound source and playing inner source of sound and make judgement;
D. select "No" to keep the audio amplifier pattern, described two-way analog switch is chosen on the external audio, and the external sound source signal enters described frequency modulation(FM) audio input port, handles through described audio-frequency module, output to described audio frequency amplifier, external sound source is played back by loudspeaker; And
E. select "Yes" to leave the audio amplifier pattern, play inner source of sound.
6. according to the method for operation of the described audio amplifier of claim 5, it is characterized in that, in step b, close the image that shows audio amplifier on the described mobile phone screen, enter the normal operating state of mobile phone.
7. according to the method for operation of the described audio amplifier of claim 5, it is characterized in that, audio amplifier pattern and the inner source of sound function of broadcast are carried out gating by general I/O control chip.
8. according to the method for operation of the described audio amplifier of claim 5, it is characterized in that when mobile phone is in the audio amplifier pattern, sends a telegram here suddenly or short message is arranged, mobile phone can suspend the audio amplifier pattern, continue to carry out the audio amplifier pattern when incoming call or short message dispose.
9. according to the method for operation of the described audio amplifier of claim 5, it is characterized in that the volume of described audio amplifier is controlled by the multistage volume of mobile phone end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 201010164999 CN101848408A (en) | 2010-04-29 | 2010-04-29 | Built-in mobile phone speaker and operating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201010164999 CN101848408A (en) | 2010-04-29 | 2010-04-29 | Built-in mobile phone speaker and operating method thereof |
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| CN 201010164999 Pending CN101848408A (en) | 2010-04-29 | 2010-04-29 | Built-in mobile phone speaker and operating method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103686536A (en) * | 2013-12-04 | 2014-03-26 | 王波兰 | Multi-identical-type-audio-data-interface sound equipment |
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| CN101232744A (en) * | 2008-01-24 | 2008-07-30 | 中兴通讯股份有限公司 | Method and device for multi sound source sharing audio power amplifier |
| CN101262579A (en) * | 2008-04-18 | 2008-09-10 | 天津三星电子显示器有限公司 | Method for selecting TV music playing mode |
| CN101316422A (en) * | 2008-07-01 | 2008-12-03 | 中兴通讯股份有限公司 | Mobile terminal and method for working as audio apparatus speaker |
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2010
- 2010-04-29 CN CN 201010164999 patent/CN101848408A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1661938A (en) * | 2004-02-24 | 2005-08-31 | 拍档科技股份有限公司 | PDA device of handset in use for operating muic playing back |
| CN101232744A (en) * | 2008-01-24 | 2008-07-30 | 中兴通讯股份有限公司 | Method and device for multi sound source sharing audio power amplifier |
| CN101262579A (en) * | 2008-04-18 | 2008-09-10 | 天津三星电子显示器有限公司 | Method for selecting TV music playing mode |
| CN101316422A (en) * | 2008-07-01 | 2008-12-03 | 中兴通讯股份有限公司 | Mobile terminal and method for working as audio apparatus speaker |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103686536A (en) * | 2013-12-04 | 2014-03-26 | 王波兰 | Multi-identical-type-audio-data-interface sound equipment |
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Application publication date: 20100929 |