CN106028196A - Earphone - Google Patents
Earphone Download PDFInfo
- Publication number
- CN106028196A CN106028196A CN201610542534.6A CN201610542534A CN106028196A CN 106028196 A CN106028196 A CN 106028196A CN 201610542534 A CN201610542534 A CN 201610542534A CN 106028196 A CN106028196 A CN 106028196A
- Authority
- CN
- China
- Prior art keywords
- switch
- earphone
- mike
- directional type
- tone
- Prior art date
- 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.)
- Granted
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/10—Earpieces; Attachments therefor ; Earphones; Monophonic headphones
- H04R1/1041—Mechanical or electronic switches, or control elements
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Headphones And Earphones (AREA)
Abstract
The invention discloses an earphone. The earphone comprises an earphone line, a single pointing type microphone (MIC1), a full pointing type microphone (MIC2), a first switch (S1) and a second switch (S2); the earphone line comprises a microphone line (M) and a ground line (G); the single pointing type microphone (MIC1) and the first switch (S1) are connected between the microphone line (M) and the ground line (G) in series; and the full pointing type microphone (MIC2) and the second switch (S2) are connected between the microphone line (M) and the ground line (G) in series. According to the earphone disclosed by the invention, the accessed microphone can be controlled through the corresponding switch; in the cast of a relatively quiet condition, the full pointing type microphone is used; it is unnecessary for people to speak by aligning to a sound inlet hole of the full pointing type microphone; therefore, the earphone is convenient to use; in the cast of a relatively high noise, the single pointing type microphone is used; people can speak by aligning to a sound inlet hole of the single pointing type microphone; and thus, noise can be reduced.
Description
Technical field
The present invention relates to a kind of earphone, more particularly it relates to an be provided with the earphone of two mikes.
Background technology
The mike used in earphone at present mostly is full directional type mike, and full directional type mike receives all directions
Acoustic sensitivity is essentially identical, so the shortcoming of full directional type is can not effectively to reduce the noise of speaker's surrounding；If
Single directional type mike, alignment tone-entering hole is used to speak and can reduce the sound of other incident angle of surrounding, but say
Words person is not aligned with tone-entering hole and speaks, and mike gathers the sound of speaker will be weakened.
Summary of the invention
It is an object of the present invention to provide a kind of single directional type mike and full directional type mike of being capable of
The earphone of switching.
According to the first aspect of the invention, it is provided that a kind of earphone, including earphone cord, single directional type mike, all referring to
To formula mike, the first switch and second switch, described earphone cord includes microphone lines and ground wire, described single directional type Mike
Wind and described first switch are connected in series between described microphone lines and described ground wire, described full directional type mike and described
Second switch is connected in series between described microphone lines and described ground wire, wherein, and described first switch and described second switch
At most one is conducting state.
Optionally, described first switch and described second switch are provided by single-pole double-throw switch (SPDT), and described single-pole double throw is opened
The public connecting end closed is connected with described microphone lines or ground wire.
Optionally, it is characterised in that described single-pole double-throw switch (SPDT) is toggle switch.
Optionally, described earphone also includes the control box being connected with described earphone cord, described single directional type mike,
Described full directional type mike, described first switch and described second switch are arranged in described control box.
Optionally, described single directional type mike has front tone-entering hole and a rear tone-entering hole, described front tone-entering hole and after
Tone-entering hole is arranged on the surface that described control box is relative, and tone-entering hole and the described front tone-entering hole of described full directional type mike set
Put on the same surface of described control box.
Optionally, described single directional type mike and described full directional type mike are disposed side by side on described control box
In.
Optionally, described single directional type mike is heart-shaped directional microphone.
It was found by the inventors of the present invention that in the prior art, there is the problem that existing earphone only has a kind of mike.And
In embodiments of the invention, the earphone of the present invention is provided with single directional type mike and full directional type mike, it is possible to pass through
The mike that corresponding on-off control accesses, in the case of relatively quietly, uses full directional type mike, it is not necessary to be directed at all referring to
Talk to the tone-entering hole of formula mike, easy to use；In the case of outside noise is relatively big, use single directional type mike,
It is directed at the tone-entering hole speech of single directional type mike, it is possible to reduce noise.Therefore, the present invention is to be realized technical assignment or
That person those skilled in the art of technical problem is that to be solved never expect or it is not expected that, therefore the present invention is a kind of
New technical scheme.
By detailed description to the exemplary embodiment of the present invention referring to the drawings, the further feature of the present invention and
Advantage will be made apparent from.
Accompanying drawing explanation
Combined in the description and the accompanying drawing of the part that constitutes description shows embodiments of the invention, and even
With its explanation together for explaining the principle of the present invention.
Fig. 1 is the circuit theory diagrams of a kind of embodiment according to a kind of earphone of the present invention；
Fig. 2 is the circuit theory diagrams of the another embodiment according to a kind of earphone of the present invention；
Fig. 3 is the internal a kind of schematic diagram implementing structure of control box according to a kind of earphone of the present invention；
Fig. 4 is the control box axial arrangement schematic diagram in an orientation according to a kind of earphone of the present invention；
Fig. 5 is according to the axial arrangement schematic diagram in another orientation controlling box of a kind of earphone of the present invention；
Fig. 6 is the decomposition texture schematic diagram controlling box according to a kind of earphone of the present invention；
Fig. 7 is the rough schematic view of the uni-directional microphone according to a kind of earphone of the present invention.
Description of reference numerals:
MIC1-single directional type mike；MIC2-full directional type mike；
M-microphone lines；G-ground wire；
L-L channel line；R-R channel line；
The left otaphone of LE-；RE-auris dextra receiver；
S1, S2-switch；The tone-entering hole of hole2-full directional type mike；
The front tone-entering hole of hole11-single directional type mike；
The rear tone-entering hole of hole12-single directional type mike；
1-vibrating diaphragm；2-support；
U-upper casing；D-lower casing.
Detailed description of the invention
The various exemplary embodiments of the present invention are described in detail now with reference to accompanying drawing.It should also be noted that unless additionally have
Body illustrates, the parts illustrated the most in these embodiments and positioned opposite, the numerical expression of step and numerical value are not intended to this
The scope of invention.
Description only actually at least one exemplary embodiment is illustrative below, never as to the present invention
And any restriction applied or use.
May be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of when, described technology, method and apparatus should be considered a part for description.
It is shown here that any occurrence should be construed as merely exemplary with in all examples discussed, and not
It is as restriction.Therefore, other example of exemplary embodiment can have different values.
It should also be noted that similar label and letter represent similar terms, therefore, the most a certain Xiang Yi in following accompanying drawing
Individual accompanying drawing is defined, then need not it is further discussed in accompanying drawing subsequently.
The present invention is to solve that existing earphone only uses full directional type mike, it is impossible to reduce making an uproar of speaker's surrounding
Sound, or existing earphone only uses single directional type mike, if speaker is not aligned with tone-entering hole speech, mike collection
The problem that the sound of speaker will weaken, it is provided that a kind of single directional type mike and full directional type mike of being provided with
Line control earphone, as it is shown in figure 1, earphone of the present invention includes earphone cord, single directional type mike MIC1, full directional type mike
MIC2, the first switch S1 and second switch S2, wherein, earphone cord includes microphone lines M, L channel line L, R channel line R and ground
Line G, concrete, microphone lines M, L channel line L, R channel line R and ground wire G are encapsulated in same insulator sheath by earphone cord
In, the positive and negative electrode of left otaphone LE is connected with L channel line L and ground wire G respectively, the positive and negative electrode of auris dextra receiver RE respectively with the right side
Sound channel line R and ground wire G connects.Single directional type mike MIC1 and first switch S1 is connected in series in microphone lines M and ground wire G
Between, full directional type mike MIC2 and second switch S2 is connected in series between microphone lines M and ground wire G, and wherein, first opens
Closing S1 and second switch S2 at most is conducting state, and earphone the most of the present invention in use, at most can only use one
Mike.
Full directional type mike MIC2 is for the sound from different angles, and its sensitivity is essentially identical.Its microphone
Head uses the principle design of pressure sensitive, and vibrating diaphragm only accepts from extraneous pressure.It is common in and needs to include whole ambient sound
Recording engineering；Or sound source is when mobile, it would be desirable to keep the situation of good radio reception；The tie clip that speaker wears when delivering a speech
Formula mike also belongs to this type of.The shortcoming of omnidirectional type is easily to receive the noise of surrounding environment
Single directional type mike mainly uses the principle design of barometric gradient.By the aperture after miaow head cavity body,
Vibrating diaphragm receives double-edged pressure.Therefore vibrating diaphragm by the pressure of different directions and differs, and mike is provided with directivity.
Therefore, directional microphone all has and closely says effect.Single directional type mike includes heart-shaped directional microphone, super heart-shaped sensing
Mike, gun shaped directional microphone and double directional microphone.Wherein, cardioid directional microphone is for the sound from mike front
Sound has optimal radio reception effect, and the sound from other directions then can be attenuated；Compared to cardioid directional microphone, super core shape
Directional microphone counteracts more sound from mike side surface direction, reduces the risk that a lot of back coupling sound is uttered long and high-pitched sounds；Gun shaped
Directional microphone is the mike that a class limit most asks single direction to point to, and its optimal radio reception angle is the little scope cone of dead ahead
Shape region, its preferable directivity makes the income of Mike's wind energy relatively effective minimizing surrounding enviroment noise；Double directional type wheats
The acceptable sound from mike front and back of gram wind, counteracts the major part sound from 90 degree of sides, the most double fingers
Sensitivity to formula mike side is extremely low.
So, the mike that the earphone of the present invention just can be accessed by corresponding on-off control, in more quiet situation
Under, can make first switch S1 conducting, second switch S2 end, i.e. use all referring to formula mike, it is not necessary to be directed at all referring to
The tone-entering hole speech of formula mike, easy to use；In the case of outside noise is relatively big, the first switch S1 cut-off can be made, the
Two switch S2 conductings, i.e. use single directional type mike, are directed at the tone-entering hole speech of single directional type mike, it is possible to reduce
Noise.
Wherein, owing to cardioid directional microphone is for having optimal radio reception effect from the sound in mike front,
The characteristic being then attenuated from the sound in other directions, the single directional type mike MIC1 in earphone of the present invention is heart-shaped sensing
Mike.
Concrete, the first switch S1 can be connected between the positive pole of microphone lines M and single directional type mike MIC1,
Second switch S2 can be connected between the positive pole of microphone lines M and full directional type mike MIC2, as shown in Figure 1.
In one particular embodiment of the present invention, the first switch S1 and second switch S2 is carried by a single-pole double-throw switch (SPDT)
Confession, as in figure 2 it is shown, the public connecting end of this single-pole double-throw switch (SPDT) is connected with microphone lines M, so, it becomes possible to control single finger
Connect with microphone lines M when corresponding switch conduction to the positive pole of formula mike MIC1 or the positive pole of full directional type mike MIC2
Connect.
Concrete, single-pole double-throw switch (SPDT) can be toggle switch, as it is shown on figure 3, when toggle switch switches to U end, can
To be set to switch S1 conducting, switch S2 cut-off, now, earphone of the present invention uses single directional type mike MIC1；When
When toggle switch switches to A end, could be arranged to switch S1 cut-off, switch S2 conducting, now, earphone of the present invention uses entirely
Directional type mike MIC2.Can also arrange when toggle switch switches to U end, switch S1 cut-off, switch S2 conducting；Work as fluctuation
When switch switches to A end, switch S1 conducting, open S2 cut-off.Can also arrange when waved switch switches between A end and U end
Time, switch S1 and switch S2 is turned off, and now, earphone of the present invention does not use mike.
If single directional type mike MIC1, full directional type mike MIC2, the first switch S1 and second switch S2 are equal
It is arranged in control box, as shown in Figure 3, it is possible to be prevented effectively from external circuits, affects earphone attractive in appearance.
On this basis, single directional type mike MIC1 and full directional type mike MIC2 is disposed side by side on control box
In, as it is shown on figure 3, in such manner, it is possible to effectively reduce single directional type mike MIC1 and full directional type mike MIC2 to take control
The space of box processed.
Wherein, single directional type mike MIC1 has front tone-entering hole hole11 and rear tone-entering hole hole12, this front entering tone
Hole hole11 and rear tone-entering hole hole12 is arranged on and controls on the surface that box is relative, and full directional type mike has a tone-entering hole
Hole2, the tone-entering hole hole2 and front tone-entering hole hole11 of full directional type mike MIC2 are arranged on the same surface of this control box
On, as shown in Fig. 4 Fig. 5.
Further, control box and there is upper casing U and lower casing D, as shown in Figure 6, the tone-entering hole of full directional type mike MIC2
The front tone-entering hole hole11 of hole2 and single directional type mike MIC1 can be arranged on this control box lower casing D, single sensing
The rear tone-entering hole hole12 of formula mike MIC1 can be arranged on the upper casing U of this control box.It is also provided with in controlling box
For supporting the support 2 of two mikes, have and fix two Mike's wind actions, it is to avoid earphone in use mike
The problem that skew occurs.
Volume can be provided with in the control box of earphone of the present invention increase key, volume reduction key and start the controls such as Pause key
Button, these buttons are arranged on upper casing U, also have circuit board PCB in controlling box, circuit board PCB is provided with volume and increases
Plus key, volume reduce key and start the control circuit of Pause key, and two mikes are all welded on this circuit board PCB, this circuit
The hole of the rear tone-entering hole hole12 of corresponding single directional type mike MIC1 it is also equipped with, to avoid intercepting single directional type on plate
The acoustical signal that mike MIC1 receives.Wherein, volume increases key, volume reduces key and start Pause key etc. control button all with
Corresponding current-limiting resistance is connected in series between microphone lines M and ground wire G, by detecting the size of current of microphone lines M, it is judged that
The button being pressed, and then realize corresponding function.
Wherein, single directional type mike is respectively provided with two tone-entering holes, the most front tone-entering hole and rear tone-entering hole.Fig. 7 is for singly to refer to
To the rough schematic view of mike, in single sensing MIC, sound wave arrives vibrating diaphragm 1 both sides through asymmetric path, from Fig. 7
In it will be seen that adds additional the incident acoustic wave of Phase delay kd2 radian, by being delayed again kd1 arc inside microphone
Degree, and act on inside vibrating diaphragm.Therefore, act on acoustic pressure P2 inside vibrating diaphragm, its amplitude and the acoustic pressure acted on outside vibrating diaphragm
P1 is equal, Phase delay K (d2+d1) radian.The acoustic pressure difference that result acts on vibrating diaphragm is expressed as (P1-P2):If path difference d=d2+d1 much less than wavelength, then with differential in like manner, can
To be write as:When vibrating diaphragm area is S, the exciting force F acted on vibrating diaphragm is:
Investigate the sound wave with the incidence into θ angle of vibrating diaphragm normal direction below.Because the effective length of two tone-entering holes is dacos θ, because of
The exciting force that this sound wave produces is Fθ,D2 and d1 is typically considered as constant, institute
If so that d2 is moved on to outside bracket, and thenα can be regarded as the constant unrelated with θ, Er Qieling again
D1/d2=β, as parameter, so can be obtained by: Fθ=α (β+cos θ), here it is single expression formula pointing to MIC directivity.
When β=1, when i.e. d2 and d1 being designed equal, FθIn heart, i.e. our usually described heart-shaped directional microphone.
The various embodiments described above primary focus describes the difference with other embodiments, but those skilled in the art should be clear
Chu, the various embodiments described above can be used alone as required or be combined with each other.
Although by example, some specific embodiments of the present invention have been described in detail, but the skill of this area
Art personnel are it should be understood that example above is merely to illustrate rather than in order to limit the scope of the present invention.The skill of this area
Art personnel are it should be understood that can modify to above example without departing from the scope and spirit of the present invention.This
Bright scope is defined by the following claims.
Claims (7)
1. an earphone, it is characterised in that include earphone cord, single directional type mike (MIC1), full directional type mike
(MIC2), first switch (S1) and second switch (S2), described earphone cord includes microphone lines (M) and ground wire (G), described single
Directional type mike (MIC1) and described first switch (S1) be connected in series in described microphone lines (M) and described ground wire (G) it
Between, described full directional type mike (MIC2) and described second switch (S2) are connected in series in described microphone lines (M) and described
Between ground wire (G).
Earphone the most according to claim 1, it is characterised in that described first switch (S1) and described second switch (S2) by
Single-pole double-throw switch (SPDT) provides, and the public connecting end of described single-pole double-throw switch (SPDT) connects with described microphone lines (M) or ground wire (GND)
Connect.
Earphone the most according to claim 2, it is characterised in that described single-pole double-throw switch (SPDT) is toggle switch.
Earphone the most according to claim 1, it is characterised in that described earphone also includes the control being connected with described earphone cord
Box, described single directional type mike (MIC1), described full directional type mike (MIC2), described first switch (S1) and described
Second switch (S2) is arranged in described control box.
Earphone the most according to claim 4, it is characterised in that described single directional type mike (MIC1) has front entering tone
Hole (hole11) and rear tone-entering hole (hole12), described front tone-entering hole (hole11) and described rear tone-entering hole (hole12) are arranged on
On the surface that described control box is relative, the tone-entering hole (hole2) of described full directional type mike (MIC2) and described front tone-entering hole
(hole11) it is arranged on the same surface of described control box.
Earphone the most according to claim 4, it is characterised in that described single directional type mike (MIC1) and described all referring to
It is disposed side by side in described control box to formula mike (MIC2).
Earphone the most according to claim 1, it is characterised in that described single directional type mike (MIC1) is heart-shaped sensing
Mike.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542534.6A CN106028196B (en) | 2016-07-11 | 2016-07-11 | Earphone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610542534.6A CN106028196B (en) | 2016-07-11 | 2016-07-11 | Earphone set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106028196A true CN106028196A (en) | 2016-10-12 |
| CN106028196B CN106028196B (en) | 2022-10-14 |
Family
ID=57108611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610542534.6A Active CN106028196B (en) | 2016-07-11 | 2016-07-11 | Earphone set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106028196B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107241666A (en) * | 2017-08-14 | 2017-10-10 | 陆文胜 | A kind of pair of microphone ear microphone |
| CN109889943A (en) * | 2019-04-18 | 2019-06-14 | 东莞市亿瑞特电子有限公司 | The dual microphone earphone of Switch Control |
| US11051094B2 (en) | 2019-10-25 | 2021-06-29 | Shore Acquisition Holdings, Inc. | Interchangeable port acoustical cap for microphones |
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| US6307945B1 (en) * | 1990-12-21 | 2001-10-23 | Sense-Sonic Limited | Radio-based hearing aid system |
| CN101115083A (en) * | 2006-07-28 | 2008-01-30 | 美商富迪科技股份有限公司 | External connection type microphone module |
| TW200843540A (en) * | 2007-04-27 | 2008-11-01 | Lin Kar Gwee | Wireless earphone with unidirectonal and omnidirectional microphones |
| CN101765048A (en) * | 2008-12-22 | 2010-06-30 | 西门子医疗器械公司 | Hearing-aid device with automatic algorithm switching |
| CN102375130A (en) * | 2010-08-27 | 2012-03-14 | 西门子(深圳)磁共振有限公司 | Magnetic resonance imaging equipment |
| CN205961377U (en) * | 2016-07-11 | 2017-02-15 | 歌尔股份有限公司 | Headset |
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2016
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6307945B1 (en) * | 1990-12-21 | 2001-10-23 | Sense-Sonic Limited | Radio-based hearing aid system |
| CN101115083A (en) * | 2006-07-28 | 2008-01-30 | 美商富迪科技股份有限公司 | External connection type microphone module |
| TW200843540A (en) * | 2007-04-27 | 2008-11-01 | Lin Kar Gwee | Wireless earphone with unidirectonal and omnidirectional microphones |
| CN101765048A (en) * | 2008-12-22 | 2010-06-30 | 西门子医疗器械公司 | Hearing-aid device with automatic algorithm switching |
| CN102375130A (en) * | 2010-08-27 | 2012-03-14 | 西门子(深圳)磁共振有限公司 | Magnetic resonance imaging equipment |
| CN205961377U (en) * | 2016-07-11 | 2017-02-15 | 歌尔股份有限公司 | Headset |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107241666A (en) * | 2017-08-14 | 2017-10-10 | 陆文胜 | A kind of pair of microphone ear microphone |
| CN109889943A (en) * | 2019-04-18 | 2019-06-14 | 东莞市亿瑞特电子有限公司 | The dual microphone earphone of Switch Control |
| CN109889943B (en) * | 2019-04-18 | 2024-04-05 | 东莞市亿瑞特电子有限公司 | Dual-microphone earphone controlled by switch |
| US11051094B2 (en) | 2019-10-25 | 2021-06-29 | Shore Acquisition Holdings, Inc. | Interchangeable port acoustical cap for microphones |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106028196B (en) | 2022-10-14 |
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