CN203883969U - Headphone - Google Patents
Headphone Download PDFInfo
- Publication number
- CN203883969U CN203883969U CN201420195787.7U CN201420195787U CN203883969U CN 203883969 U CN203883969 U CN 203883969U CN 201420195787 U CN201420195787 U CN 201420195787U CN 203883969 U CN203883969 U CN 203883969U
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- China
- Prior art keywords
- noise
- electrically connected
- processor
- plug
- headphone
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 238000001914 filtration Methods 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 3
- 238000004364 calculation method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a headphone which is characterized by comprising an earphone headband and two earphone housings respectively connected with the two ends of the earphone headband, wherein each earphone housing is internally provided with a filter, a processor electrically connected with the filter and a loudspeaker electrically connected with the processor, and a plug electrically connected with the filter is arranged on the earphone housing. The headphone also comprises an error microphone which arranged in the earphone housing and electrically connected with the processor and a reference microphone which is electrically connected with the plug. According to the headphone, only the reference microphone is replaced when the reference microphone is in failure. Compared with a traditional headphone in which the whole earphone housing needs to be replaced when the reference microphone is in failure, the maintenance cost of the headphone of the utility model is lower.
Description
Technical field
The utility model relates to audio output apparatus field, particularly a kind of headphone.
Background technology
The demand to life along with scientific and technical fast development and people, earphone is widely used, as telephone communication, transmission music etc.Particularly nowadays mobile phone becomes people's necessity already, and earphone obtains applying more widely.
Traditional headphone is main mainly with active mode denoise, is located in earphone case and completes with reference to microphone.But this headphone, after reference microphone lost efficacy, needs to change whole earphone case, maintenance cost is higher.
Utility model content
Based on this, be necessary the headphone that provides a kind of maintenance cost lower.
A kind of headphone, comprises
Headband;
Two earphone cases that are connected with the two ends of described headband respectively, the processor that is provided with filter in described earphone case, be electrically connected with described filter and the loud speaker being electrically connected with described processor, described housing is provided with the plug being electrically connected with described filter;
Be arranged on the reference microphone on described plug, described reference microphone is electrically connected with described plug; And
Be located at the error microphone in described earphone case, described error microphone is electrically connected with described processor;
Described reference microphone receives noise and by described filter filtering, then generates and described noise single spin-echo, anti-phase noise that frequency is identical through described processor;
Anti-phase noise produce remaining noise with the stack of described noise described in described loudspeaker reproduction;
Described error microphone receives described remaining noise transmission to described processor, and described processor is adjusted described anti-phase noise, until the frequency range of described remaining noise is within the scope of expected frequence.
In one embodiment, described reference microphone also can be used as and receives call voice use.
In one embodiment, described earphone case is provided with jack, and described plug is inserted in described jack.
In one embodiment, described jack is arranged on described earphone case one end away from described headband.
In one embodiment, described plug is also connected with earphone cord.
The reference microphone of this headphone is arranged on plug, when plug is electrically connected with filter, reference microphone receives noise and the noise of reception is converted to the signal of telecommunication, after filter filtering, after the calculation of processor internal algorithm, generate the anti-phase noise identical with noise single spin-echo, frequency and energy, play out anti-phase noise by loud speaker again, anti-phase noise and noise superpose, thereby reach the object of sound-deadening and noise-reducing.This headphone, after reference microphone lost efficacy, is directly changed reference microphone.With respect to the traditional headphone that needed to change whole earphone case after losing efficacy in reference microphone, the maintenance cost of this headphone is lower.
Brief description of the drawings
Fig. 1 is the structural representation of the headphone of an execution mode;
Fig. 2 is the principle of noise reduction figure of headphone as shown in Figure 1.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.A lot of details are set forth in the following description so that fully understand the utility model.But the utility model can be implemented to be much different from alternate manner described here, and those skilled in the art can do similar improvement without prejudice to the utility model intension in the situation that, and therefore the utility model is not subject to the restriction of following public concrete enforcement.
The headphone of an execution mode as shown in Figure 1, comprising: headband 10, two earphone cases 20, plug 30 and reference microphone 40.
Two earphone cases 20 are connected with the two ends of headband 10 respectively, thereby form the earphone mechanism of wear-type.
The symmetrical configuration of two earphone cases 20 is identical, is only introduced as an example of one example below.
The processor 23 that is provided with filter 21 in the earphone case 20 of present embodiment, be electrically connected with filter 21, the loud speaker 25 being electrically connected with processor 23 and the error microphone 27 being electrically connected with processor 23.
Waveform and the frequency of processor 23 to noise carried out computing.At one, preferably in embodiment, processor 23 can be single-chip microcontroller.
Reference microphone 40 is arranged on plug 30, and for accepting extraneous noise, reference microphone 40 is electrically connected with plug 30.
In present embodiment, reference microphone 40 is embedded the tail end expanding at plug 30, and plug tail end is also connected with earphone cord 50 simultaneously.
Below in conjunction with Fig. 2, the operation principle of this headphone is described.
The reference microphone 40 of this headphone is arranged on plug 30 and reference microphone 40 is electrically connected with plug 30, plug 30 is electrically connected with filter 21, reference microphone 40 receives noise and the noise of reception is converted to the signal of telecommunication, after filter 21 filtering, after processor 23 internal algorithm calculations, generate the anti-phase noise identical with noise single spin-echo, frequency and energy again, finally play out anti-phase noise by loud speaker 25, anti-phase noise and noise superpose, thereby reach the object of sound-deadening and noise-reducing.
This headphone, after reference microphone 40 lost efficacy, is directly changed reference microphone 40.With respect to the traditional headphone that needed to change whole earphone case 20 after losing efficacy in reference microphone 40, the maintenance cost of this headphone is lower.
After the waveform stack of anti-phase noise and noise, generally also can produce remaining noise, error microphone 27 receives remaining noise, and remaining noise is converted to electric signal transmission to processor 23, after processor 23 is analyzed, if the frequency of this remnants noise, not in the frequency range of the remaining noise of expection, is analyzed, is adjusted to processor 23 again, until the frequency range of the remaining noise receiving stops within the scope of the remaining frequency noise of expection.
In conjunction with Fig. 1, housing 20 is outer is provided with the jack 29 being electrically connected with filter 21, and plug 30 is inserted in jack 29.
Plug 30 can insert in jack 29 just, and in the time that plug 30 is inserted in jack 29, realizes electrical connection between plug 30 and jack 29.
At one, preferably in embodiment, plug 30 can be 3.5mm plug, and jack 29 can be 3.5mm jack.
In present embodiment, jack 30 is arranged on earphone case 20 one end away from headband 10.After reference microphone 40 is inserted jack 29 and is connected with earphone case 20 by plug 30, reference microphone 40 is nearer apart from the face of headset user, thereby makes the reference microphone 40 of this headphone can be used as general radio reception microphone reception call voice use.Can on described earphone case, establish hand switch, user changes the signal of telecommunication whereabouts of reference microphone 40 by switch, radio reception use as need turns round switch to general radio reception place, reference microphone 40 can be converted to the signal of telecommunication by the voice of receiving, and transfers out by earphone cord; Described switching can realize by circuit or software; Maybe can identify voice or noise by processor, automatically perform radio reception or decrease of noise functions.
The above embodiment has only expressed several execution mode of the present utility model, and it describes comparatively concrete and detailed, but can not therefore be interpreted as the restriction to the utility model the scope of the claims.It should be pointed out that for the person of ordinary skill of the art, without departing from the concept of the premise utility, can also make some distortion and improvement, these all belong to protection range of the present utility model.Therefore, the protection range of the utility model patent should be as the criterion with claims.
Claims (5)
1. a headphone, is characterized in that, comprises
Headband;
Two earphone cases that are connected with the two ends of described headband respectively, the processor that is provided with filter in described earphone case, be electrically connected with described filter and the loud speaker being electrically connected with described processor, described housing is provided with the plug being electrically connected with described filter;
Be arranged on the reference microphone on described plug, described reference microphone is electrically connected with described plug; And
Be located at the error microphone in described earphone case, described error microphone is electrically connected with described processor;
Described reference microphone receives noise and by described filter filtering, then generates and described noise single spin-echo, anti-phase noise that frequency is identical through described processor;
Anti-phase noise produce remaining noise with the stack of described noise described in described loudspeaker reproduction;
Described error microphone receives described remaining noise transmission to described processor, and described processor is adjusted described anti-phase noise, until the frequency range of described remaining noise is within the scope of expected frequence.
2. headphone according to claim 1, is characterized in that, described reference microphone also can be used as and receives call voice use.
3. headphone according to claim 1 and 2, is characterized in that, described earphone case is provided with jack, and described plug is inserted in described jack.
4. headphone according to claim 3, is characterized in that, described jack is arranged on described earphone case one end away from described headband.
5. headphone according to claim 1, is characterized in that, described plug is also connected with earphone cord.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195787.7U CN203883969U (en) | 2014-04-21 | 2014-04-21 | Headphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420195787.7U CN203883969U (en) | 2014-04-21 | 2014-04-21 | Headphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203883969U true CN203883969U (en) | 2014-10-15 |
Family
ID=51684428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420195787.7U Expired - Fee Related CN203883969U (en) | 2014-04-21 | 2014-04-21 | Headphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203883969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454597A (en) * | 2016-11-16 | 2017-02-22 | 广西大学 | Head-mounted multifunctional earphone |
-
2014
- 2014-04-21 CN CN201420195787.7U patent/CN203883969U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106454597A (en) * | 2016-11-16 | 2017-02-22 | 广西大学 | Head-mounted multifunctional earphone |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 35th floor, block a, Tanglang City, 3333 Liuxian Avenue, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: Wanmo acoustics Co.,Ltd. Address before: 35th floor, block a, Tanglang City, 3333 Liuxian Avenue, Nanshan District, Shenzhen, Guangdong 518000 Patentee before: 1MORE Inc. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CP03 | Change of name, title or address |
Address after: 35th floor, block a, Tanglang City, 3333 Liuxian Avenue, Nanshan District, Shenzhen, Guangdong 518000 Patentee after: 1MORE Inc. Address before: 518000 Room 201, building a, general office of Qianhai Shenzhen Hong Kong Cooperation Zone Administration Bureau, No.1 liyumen street, Qianwan 1st Road, Qianhai Shenzhen Hong Kong cooperation zone, Shenzhen City, Guangdong Province Patentee before: 1MORE Inc. |
|
| CP03 | Change of name, title or address | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |