CN101365252A - Earphone having loudspeaker function - Google Patents
Earphone having loudspeaker function Download PDFInfo
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- CN101365252A CN101365252A CNA200810198526XA CN200810198526A CN101365252A CN 101365252 A CN101365252 A CN 101365252A CN A200810198526X A CNA200810198526X A CN A200810198526XA CN 200810198526 A CN200810198526 A CN 200810198526A CN 101365252 A CN101365252 A CN 101365252A
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Abstract
The invention relates to an earphone, particularly to an earphone with the sound box function. The earphone at least comprises two earflaps, an audio-frequency power amplifier and a selector switch, wherein each earflap has a built-in loudspeaker and a lead wire with a plug; the lead wire is connected with the loudspeaker in the earflap electrically; the audio-frequency power amplifier is installed on the lead wire and electrically connected between the plug and the two loudspeakers; and the selector switch is used for switching signals with different audio output power to the two loudspeakers. Through the adoption of the above structure, one earphone can realize the immediate switch between the function of the general earphone and the function of the sound box. Furthermore, the earphone has the advantages of simple and light structure, concise design, easy operation, convenient carrying, and saved purchase cost for customers.
Description
Technical field
The present invention relates to a kind of earphone, be specifically related to a kind of earphone with function of loudspeaker box.
Background technology
The earphone audio amplifier all with the interior loudspeaker that all comprise, be all the sound-producing device that audio signal is converted to sound.Earphone is small and exquisite, and power is little, and sound is little, usually hangs on the ear during use or be worn over head to paste mutually with earhole.The audio amplifier volume is big, and power is big, and that sends is loud, and can produce the utmost point and compose the stereo etc. of appeal.
Along with the diversification of people's temperament and interest demand and be Xinghua, may produce different situation requirements with impromptu demand to the enjoyment of sound such as music, as listen earphone for a moment, want to listen audio amplifier for a moment at once again; Even same first song, this section is want to listen with earphone, and next section is want to listen with audio amplifier.At present, a kind of earphone and audio amplifier transducer are arranged on the market, the plug of earphone and audio amplifier all is plugged on this transducer, can realize random switching between earphone and the audio amplifier by console switch, but this transducer only is fit to have the occasion of earphone and these two kinds of equipment of audio amplifier simultaneously, still can not satisfy people's demand.
Chinese patent 200620137507.2, can make the stereophone of audio amplifier, with 200620157870.0, put the earphone of raising one's voice outward and all disclose a kind of headphone that has earphone and function of loudspeaker box simultaneously, but all be by two cover loudspeaker are set on earphone, promptly a cover is realized ear-phone function and another set of realization function of loudspeaker box is realized, so, then will inevitably increase the weight of earphone, make people increase the load-bearing burden of head in use, be short of comfortableness.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art part, a kind of earphone with function of loudspeaker box is provided, it can realize the switching immediately between earphone and the function of loudspeaker box by cover loudspeaker.
For achieving the above object, the present invention adopts following technical scheme: have the earphone of function of loudspeaker box, comprise two earmuffs at least, the built-in loudspeaker of each earmuff, and the lead-in wire of a band plug are with the loudspeaker electric connection in two earmuffs; Described lead-in wire is provided with an audio-frequency power amplifier, is electrically connected between plug and two loudspeaker; Reach one and switch switch, in order to switch different sound output signal to two loudspeaker.
Above-mentioned joint can be the RCA audio jack that conventional earphone is equipped with.And for the audio output apparatus (as host computer) of band USB interface and this USB interface tool audio output function, above-mentioned plug can be USB plug, and has a USB audio signal translation interface to be serially connected on the lead-in wire between USB plug and the audio-frequency power amplifier.The digital audio and video signals that audio output apparatus produces reaches this USB audio conversion interface under USB plug, this USB audio conversion interface converts this digital audio and video signals to simulated audio signal, export loudspeaker to through analog audio-frequency power amplifier again, this moment, the function of earphone was the audio amplifier pattern, it is bigger to have power, the characteristic that sound is bigger; Be headset mode for making the function of earphone again, just the loudspeaker power output is little, the characteristic that sound is little, then switch different sound outputs to loudspeaker through this diverter switch, its mode can have many kinds, as the enlargement ratio through an attenuator or this audio-frequency power amplifier be one or the input of loudspeaker directly be connected with the audio output of USB audio conversion interface, or the like.
The major function of above-mentioned diverter switch is for switching different sound output signal to two loudspeaker, and therefore, this diverter switch can and be closed this audio-frequency power amplifier by activation and be reached the purpose of switching different sound outputs.This diverter switch also can be the slide switch of a mechanical structure again, or a key switch, or a tool volume is adjusted the switch of the rotating machinery structure of function.
As preferably, Audio Signal Processing electronic components such as audio-frequency power amplifier of the present invention, USB audio conversion interface can be arranged in arbitrary earmuff; Maybe can comprise a parcel box, in order to Audio Signal Processing electronic components such as audio-frequency power amplifier, USB audio conversion interface are wrapped up wherein; Further, described diverter switch also can be arranged in this parcel box or the arbitrary earmuff.For making the user more flexibly use the present invention, this coating box can contain a jack, this jack is an audio input interface, add audio signal source for connecting, when the audio frequency out splice going splice that adds audio signal source is connected to this audio input interface, in the earphone primary circuit all with all switch to and this audio input interface being connected of audio output of USB audio conversion interface.Bigger sound output can be arranged when making the present invention be in the audio amplifier pattern, this coating box can be established a jack again, this jack is a power input interface, can power to the additional power source of audio-frequency power amplifier for connecting, and makes audio-frequency power amplifier with power output that must be bigger.
The present invention also can further comprise a headband except that can constituting conventional Ear-hanged Headphone Structure, two earmuffs are connected to the two ends of headband to constitute a headphone structure.Further, two earmuffs can be connected on the headband by a rotational coupling mechanism or separate type syndeton respectively, so that two earmuffs can turn or separation with respect to headband, need with the use that cooperates headset mode and audio amplifier pattern.This headband can be a collapsible or detachable headband again, promptly at any part (being preferably the middle part of headband body) of headband body foldable structure is set or but detachable structure makes headband form the part of two relative motions, relative motion between two parts drives earmuff motion separately and makes two earmuffs that relative spatial position change relation take place, and needs with the use that cooperates headset mode and audio amplifier pattern.Again for ease of operating this diverter switch automatically, this diverter switch can and above-mentioned earmuff and headband between rotational coupling mechanism or separate type bindiny mechanism, or foldable structure on the headband or detachable structure interlock.
Further, the face shell wall can be respectively equipped with an air vent hole after above-mentioned two earmuffs, and constitutes Hull Mu Huozi (Helmholtz) resonator of a transmission line formula audio amplifier in the earmuff inner chamber; Or in earmuff inner chamber filling sound-absorbing material, to obtain better acoustical quality.
The present invention is by adopting said structure, has that structural design is simplified and gently, can realize switching immediately between earphone and the function of loudspeaker box by an earphone product, and processing ease and easy to carry can be saved consumer's purchase cost again.
Description of drawings
Fig. 1 is the structural representation of the embodiment of the invention 1;
Fig. 2 a and Fig. 2 b are respectively a kind of circuit theory diagrams of the embodiment of the invention 1;
Fig. 3 a, Fig. 3 b and Fig. 3 c are respectively a kind of user mode figure of the embodiment of the invention 1;
Fig. 4 a, Fig. 4 b, Fig. 4 c and Fig. 4 d are respectively a kind of user mode figure of the embodiment of the invention 2;
Fig. 5 is the structural representation of the embodiment of the invention 3;
Fig. 6 a and Fig. 6 b are respectively a kind of circuit theory diagrams of the embodiment of the invention 3;
Fig. 7 is the structural representation of the embodiment of the invention 4;
Fig. 8 is the structural representation of the embodiment of the invention 5;
Fig. 9 is the structural representation of earmuff of the present invention.
Among the figure:
1-lead-in wire; 11-plug; 2-earmuff; 21-air vent hole; 22-Hull Mu Huozi (Helmholtz) resonator; 23-sound-absorbing material; 3-loudspeaker; 4-headband; 41-connector; 5-parcel box; 51-jack/power input interface; 52-external power supply; 6-audio-frequency power amplifier; 7-USB audio conversion interface; 8-diverter switch.
Now the invention will be further described in conjunction with the accompanying drawings and embodiments.
Embodiment
As shown in Figure 1, the earphone with function of loudspeaker box of the present invention, mainly be made up of the lead-in wire 1 of headband 4, two earmuffs 2 and a band plug 11: each earmuff 2 is connected the two ends of headband 4 respectively by a connection piece 41, and each earmuff 2 built-in loudspeaker 3; Electrically connect between lead-in wire 1 and the loudspeaker 3, plug 11 on the one end is a USB plug, and its line body is provided with a parcel box 5, be disposed with USB audio conversion interface 7, diverter switch 8 and audio-frequency power amplifier 6 in the parcel box, USB plug, USB audio conversion interface 7, diverter switch 8, audio-frequency power amplifier 6 and loudspeaker 3 are formed operating circuit part of the present invention, and this operating circuit principle is shown in Fig. 2 a and Fig. 2 b.Below set forth the principle that the present invention is switched immediately by circuit theory between earphone and function of loudspeaker box.
Fig. 2 a shows a kind of circuit structure principle of present embodiment: when diverter switch (this diverter switch can be key switch or slipping switch) when switching to the audio amplifier pattern, the digital audio and video signals that audio output apparatus (USB interface on it needs the tool audio output function) produces reaches this USB audio conversion interface under USB plug, the digital analog converter DAC of USB audio conversion interface inside converts digital audio and video signals to simulated audio signal, after amplifying, analog audio-frequency power amplifier exports loudspeaker to again, this moment the sound exported of loudspeaker to have power bigger, the audio amplifier characteristic that sound is bigger; When diverter switch switched to headset mode, then the simulated audio signal of USB audio conversion interface output was handled without audio-frequency power amplifier and is directly exported loudspeaker to, and it is little that the sound that this moment, loudspeaker were exported has power output, the earphone characteristic that sound is little.
Fig. 2 b shows the another kind of circuit structure principle of present embodiment: USB plug, USB audio conversion interface, diverter switch, audio-frequency power amplifier and loudspeaker are composed in series operating circuit successively, this moment, diverter switch was treated as an attenuator usefulness, also can be as adjustable resistance, the progressive switch of band rotating machinery structure.The digital audio and video signals that audio output apparatus (USB interface on it needs the tool audio output function) produces reaches this USB audio conversion interface under USB plug, after the digital analog converter DAC of USB audio conversion interface inside converts digital audio and video signals to simulated audio signal, regulating this attenuator makes this simulated audio signal export audio-frequency power amplifier to different multiplying, then audio-frequency power amplifier also exports loudspeaker to different multiplying, make the output multiplying power of audio-frequency power amplifier for for the moment as setting when regulating this attenuator, be headset mode, the suitable minimizing of output multiplying power and increase then are that the volume under the headset mode is adjusted function; When this attenuator of adjusting makes the output multiplying power of audio-frequency power amplifier increase to a setting multiple gradually, need not wear the sound that the present invention can hear that loudspeaker send this moment, be the audio amplifier pattern, the suitable increase of output multiplying power then is that the volume under the audio amplifier pattern is adjusted function; Diverter switch can be as regulating adjustable resistance again, and audio-frequency power amplifier, USB audio conversion interface can be adjusted different multiplying output according to this adjustable resistance.
Shown in Fig. 3 a, Fig. 3 b and Fig. 3 c, the connector between described two earmuffs 2 of present embodiment and the headband 4 is a rotational coupling mechanism, promptly turns to when forming positions shown in Fig. 3 a and concern with headband 4 when earmuff 2, is headset mode; Turn to when forming positions shown in Fig. 3 b and Fig. 3 c and concern when earmuff 2 again, be the audio amplifier pattern with headband 4.Switch between headset mode and audio amplifier pattern for reaching automatically again, above-mentioned diverter switch can be arranged on the earmuff and can with this rotational coupling mechanism interlock, promptly this rotational coupling mechanism is when realizing that earmuff is in position as Fig. 3 a, moves to make it to make operating circuit to be in headset mode in this diverter switch; When this rotational coupling mechanism when realizing that earmuff is in position as Fig. 3 b or Fig. 3 c, move and make it to make operating circuit to be in the audio amplifier pattern in this diverter switch.This realizes that by mechanical continuous action relation the technology of circuit control should belong to known technology, does not repeat them here.
Should be noted that above-mentioned parcel box also is arbitrary earmuff; Again for making the user more flexibly use the present invention, on this coating box or the earmuff jack can be set, this jack is the RCA audio input interface, add audio signal source for connecting, when the audio frequency out splice going splice that adds audio signal source is connected to this RCA audio input interface, in the earphone primary circuit all with all switch to and this RCA audio input interface being connected of audio output of USB audio conversion interface.Bigger sound output can be arranged when making the present invention be in the audio amplifier pattern again, this coating box can be established a jack again, this jack is a power input interface, can power to the additional power source of audio-frequency power amplifier for connecting, and makes audio-frequency power amplifier with power output that must be bigger.
Shown in Fig. 4 a, Fig. 4 b, Fig. 4 c and Fig. 4 d, the difference of present embodiment and embodiment 1 is that the connector 41 between earmuff 2 and the headband 4 is specially two cylinder joint syndetons, make earmuff can do the two and three dimensions rotation by this two cylinders articulation structure with respect to headband, satisfy different instructions for uses, and can when not using, further reduce bulk of the present invention, reach and be convenient to collect the purpose of carrying.
In addition, this connector also can be the combined connecting structure in cylinder joint and spheroid joint, and these bindiny mechanisms are known technology, are not described in detail at this.
As shown in Figure 5, the described earphone of present embodiment with function of loudspeaker box, mainly be made up of the lead-in wire 1 of headband 4, two earmuffs 2 and a band plug 11: each earmuff 2 is connected the two ends of headband 4 respectively by a connection piece 41, and each earmuff 2 built-in loudspeaker 3; Electrically connect between lead-in wire 1 and the loudspeaker 3, plug 11 on the one end is the RCA audio jack, and its line body is provided with a parcel box 5, be disposed with diverter switch 8 and audio-frequency power amplifier 6 in the parcel box, RCA plug, diverter switch 8, audio-frequency power amplifier 6 and loudspeaker 3 are formed operating circuit part of the present invention, this operating circuit principle is shown in Fig. 6 a and Fig. 6 b, and the audio-frequency power amplifier 6 among the figure needs to provide electric power by a power circuit (not shown).Below set forth the principle that the present invention is switched immediately by circuit theory between earphone and function of loudspeaker box.
Fig. 6 a shows a kind of circuit structure principle of present embodiment: when diverter switch (this diverter switch can be key switch or slipping switch) when switching to the audio amplifier pattern, the simulated audio signal that audio output apparatus produces exports diverter switch to behind RCA audio jack and audio-frequency power amplifier, audio-frequency power amplifier exports loudspeaker to after this simulated audio signal is amplified, this moment the sound exported of loudspeaker to have power bigger, the audio amplifier characteristic that sound is bigger; When diverter switch switched to headset mode, the simulated audio signal that audio output apparatus produces directly exported loudspeaker to after RCA audio jack and diverter switch, and it is little that the sound that this moment, loudspeaker were exported has power output, the earphone characteristic that sound is little.
Fig. 6 b shows the another kind of circuit structure principle of present embodiment: RCA audio jack, diverter switch, audio-frequency power amplifier and loudspeaker are composed in series operating circuit successively, this moment, diverter switch was treated as an attenuator usefulness, also can be as adjustable resistance, the progressive switch of band rotating machinery structure.The simulated audio signal that audio output apparatus produces passes this attenuator under the RCA audio jack is inserted after, regulating this attenuator makes this simulated audio signal export audio-frequency power amplifier to different multiplying, then audio-frequency power amplifier also exports loudspeaker to different multiplying, make the output multiplying power of audio-frequency power amplifier for for the moment as setting when regulating this attenuator, be headset mode, the suitable minimizing of output multiplying power and increase then are that the volume under the headset mode is adjusted function; When this attenuator of adjusting makes the output multiplying power of audio-frequency power amplifier increase to a setting multiple gradually, need not wear the sound that the present invention can hear that loudspeaker send this moment, be the audio amplifier pattern, the suitable increase of output multiplying power then is that the volume under the audio amplifier pattern is adjusted function; Diverter switch can be as regulating adjustable resistance again, and audio-frequency power amplifier, USB audio conversion interface can be adjusted different multiplying output according to this adjustable resistance.
The described power circuit of present embodiment can be USB power supply circuits, bigger sound output can be arranged when making the present invention be in the audio amplifier pattern again, this coating box can be established a jack 51 again, this jack is a power input interface, can power to the external power supply 52 of audio-frequency power amplifier for connecting, as power supply changeover device, make audio-frequency power amplifier with power output that must be bigger.This external power supply also can be a USB plug.
Other changed structure of present embodiment no longer repeats at this with embodiment 1.
As shown in Figure 7, the difference of present embodiment and embodiment 1 is that described diverter switch 8 is a key switch, and is to be arranged on one of them earmuff 2, and its circuit is implemented can be shown in Fig. 2 a and Fig. 6 a.Can implement handoff functionality easily so equally.
As shown in Figure 8, the difference of present embodiment and embodiment 1 is that described diverter switch 8 is adjusted the switch of the rotating machinery structure of function for the tool volume, and is to be arranged on one of them earmuff 2, and its circuit is implemented can be shown in Fig. 2 b and Fig. 6 b.Can implement handoff functionality easily so equally.
In addition, interlock principle according to annexation between earmuff and the headband and diverter switch, this headband also can be a collapsible or detachable headband, promptly at any part (being preferably the middle part of headband body) of headband body foldable structure is set or but detachable structure makes headband form the part of two relative motions, relative motion between two parts drives earmuff motion separately and makes two earmuffs that relative spatial position change relation take place, and needs with the use that cooperates headset mode and audio amplifier pattern; This foldable structure or detachable structure equally also can with the diverter switch interlock to reach the purpose of automatic switchover earphone mode of operation.
Also have, as shown in Figure 9, can can be respectively equipped with an air vent hole 21 in the back case wall of earmuff 2 of the present invention, and constitute Hull Mu Huozi (Helmholtz) resonator structure 22 of a transmission line formula audio amplifier in the earmuff inner chamber, the section side-looking of this transmission line is for axially being the concentric ring shape at center with air vent hole, as concentric circles, ellipse; And in earmuff inner chamber filling sound-absorbing material 23, to obtain better acoustical quality.
The above only is preferred embodiment of the present invention, is not that technical scope of the present invention is imposed any restrictions.The technical staff of the industry; under the inspiration of the technical program; can make some distortion and revise; the concrete structure of the concrete structure of diverter switch, automatic transfer switch for example; the concrete installation site of circuit board, the concrete structure of power amplifier etc.; every foundation technical spirit of the present invention all still belongs in the scope of protection of present invention above any modification, equivalent variations and modification that embodiment did.
Claims (23)
1, has the earphone of function of loudspeaker box, comprise at least
Two earmuffs, the built-in loudspeaker of each earmuff, and
The lead-in wire of one band plug, the loudspeaker electric connection with in two earmuffs is characterized in that described lead-in wire is provided with
One audio-frequency power amplifier is electrically connected between plug and two loudspeaker; And
One switches switch, in order to switch different sound output signal to two loudspeaker.
2, earphone according to claim 1 is characterized in that, described plug is a USB plug, and has a USB audio signal translation interface to be serially connected on the lead-in wire between USB plug and the audio power power amplifier.
3, earphone according to claim 2 is characterized in that, described diverter switch directly is connected with the output electric property of USB audio conversion interface at loudspeaker, and loudspeaker with switch between the output electric property of audio-frequency power amplifier is connected.
4, earphone according to claim 1 is characterized in that, described diverter switch activation and close this audio-frequency power amplifier.
5, earphone according to claim 1 is characterized in that, described diverter switch is the slide switch of a mechanical structure, or a key switch, or a tool volume is adjusted the switch of the rotating machinery structure of function.
6, earphone according to claim 1 is characterized in that, described diverter switch is an attenuator, is serially connected on the lead-in wire between plug and the audio-frequency power amplifier.
7, earphone according to claim 1 is characterized in that, a parcel box in order to the parcel audio-frequency power amplifier is arranged.
8, earphone according to claim 2 is characterized in that, a parcel box in order to parcel audio-frequency power amplifier and USB audio signal translation interface is arranged.
According to claim 7 or 8 described earphones, it is characterized in that 9, described diverter switch is arranged in this parcel box.
According to claim 7 or 8 described earphones, it is characterized in that 10, described coating box contains a jack, this jack can be powered to the additional power source of audio-frequency power amplifier for connecting.
According to claim 7 or 8 described earphones, it is characterized in that 11, described coating box contains a jack, this jack is for being connected to the audio signal source that adds that audio-frequency power amplifier provides audio signal.
12, earphone according to claim 2 is characterized in that, described audio-frequency power amplifier and USB audio signal translation interface are arranged in arbitrary earmuff.
According to claim 1 or 2 or 12 described earphones, it is characterized in that 13, described diverter switch is a key switch, or the switch of the rotating machinery structure of tool volume adjustment function, place on the lateral surface of arbitrary earmuff.
14, earphone according to claim 1 is characterized in that, a headband is arranged, and described two earmuffs are connected to the two ends of headband.
15, earphone according to claim 14 is characterized in that, described two earmuffs are connected in the two ends of headband respectively by a rotational coupling mechanism.
16, earphone according to claim 14 is characterized in that, described two earmuffs are connected in the two ends of headband by a separate type syndeton.
17, according to claim 15 or 16 described earphones, it is characterized in that the bindiny mechanism's interlock between described diverter switch and earmuff and the headband.
18, earphone according to claim 14 is characterized in that, described headband is a collapsible or detachable headband.
19, earphone according to claim 18 is characterized in that, described diverter switch and collapsible and/or detachable headband interlock.
20, earphone according to claim 1 is characterized in that, the face shell wall is respectively equipped with an air vent hole after described two earmuffs, and constitutes Hull Mu Huozi (Helmholtz) resonator of a transmission line formula audio amplifier in the earmuff inner chamber.
21, earphone according to claim 20 is characterized in that, the section side-looking of described transmission line is for axially being the concentric ring shape at center with air vent hole.
22, earphone according to claim 1 is characterized in that, described earmuff inner chamber is filled sound-absorbing material.
23, earphone according to claim 10 is characterized in that, described plug is the RCA audio jack, and described additional power source is a power supply changeover device, or USB plug.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810198526XA CN101365252A (en) | 2008-09-16 | 2008-09-16 | Earphone having loudspeaker function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA200810198526XA CN101365252A (en) | 2008-09-16 | 2008-09-16 | Earphone having loudspeaker function |
Publications (1)
| Publication Number | Publication Date |
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| CN101365252A true CN101365252A (en) | 2009-02-11 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA200810198526XA Pending CN101365252A (en) | 2008-09-16 | 2008-09-16 | Earphone having loudspeaker function |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067811A (en) * | 2013-01-16 | 2013-04-24 | 歌尔声学股份有限公司 | Earphone system with voice box function and application method thereof |
| CN103607675A (en) * | 2013-10-22 | 2014-02-26 | 宁波艾克赛尔电子有限公司 | Headset with externally-playing function |
| CN103974158A (en) * | 2013-02-04 | 2014-08-06 | 联想(北京)有限公司 | Audio output device |
| CN104185111A (en) * | 2014-09-17 | 2014-12-03 | 太仓泰邦电子科技有限公司 | Headset capable of playing music externally |
| CN106331931A (en) * | 2016-10-20 | 2017-01-11 | 深圳市冠旭电子股份有限公司 | Headset |
| CN109445564A (en) * | 2018-10-19 | 2019-03-08 | 歌尔科技有限公司 | A kind of usb audio class equipment and its control method, device |
| CN114025278A (en) * | 2021-11-25 | 2022-02-08 | 西安闻泰信息技术有限公司 | Earphone control method and device, earphone and storage medium |
-
2008
- 2008-09-16 CN CNA200810198526XA patent/CN101365252A/en active Pending
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103067811A (en) * | 2013-01-16 | 2013-04-24 | 歌尔声学股份有限公司 | Earphone system with voice box function and application method thereof |
| CN103067811B (en) * | 2013-01-16 | 2016-06-29 | 歌尔声学股份有限公司 | There is earphone system and the application process thereof of function of loudspeaker box |
| CN103974158A (en) * | 2013-02-04 | 2014-08-06 | 联想(北京)有限公司 | Audio output device |
| CN103974158B (en) * | 2013-02-04 | 2019-01-11 | 联想(北京)有限公司 | Audio output device |
| CN103607675A (en) * | 2013-10-22 | 2014-02-26 | 宁波艾克赛尔电子有限公司 | Headset with externally-playing function |
| CN104185111A (en) * | 2014-09-17 | 2014-12-03 | 太仓泰邦电子科技有限公司 | Headset capable of playing music externally |
| CN106331931A (en) * | 2016-10-20 | 2017-01-11 | 深圳市冠旭电子股份有限公司 | Headset |
| CN106331931B (en) * | 2016-10-20 | 2020-03-31 | 深圳市冠旭电子股份有限公司 | Head band earphone |
| CN109445564A (en) * | 2018-10-19 | 2019-03-08 | 歌尔科技有限公司 | A kind of usb audio class equipment and its control method, device |
| CN114025278A (en) * | 2021-11-25 | 2022-02-08 | 西安闻泰信息技术有限公司 | Earphone control method and device, earphone and storage medium |
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Application publication date: 20090211 |