CN102123188A - Earphone device of mobile phone - Google Patents
Earphone device of mobile phone Download PDFInfo
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- CN102123188A CN102123188A CN2011100506768A CN201110050676A CN102123188A CN 102123188 A CN102123188 A CN 102123188A CN 2011100506768 A CN2011100506768 A CN 2011100506768A CN 201110050676 A CN201110050676 A CN 201110050676A CN 102123188 A CN102123188 A CN 102123188A
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Abstract
The invention relates to an earphone device of a mobile phone, with a function of representing stereo music in a non-communication state and picking up a clear sound signal conducted by vocal cords from air in the external auditory canal of a user in a communication state. The problem of poor pickup effect of the microphone of the earphone device configured in the conventional mobile phone in a normal use state and under a high-noise environment, and the technical defect of intrinsic uncomfortable wearing of the bone conduction microphone, such as external auditory canal pickup, does not exist.
Description
Technical field
The present invention relates to the headset that mobile phone configuration is used, refer in particular to a kind of from the external auditory meatus of human body the headset of pickup.
Background technology
Mobile phone has become the human communication tool that the most generally uses, development along with technology and society, mobile phone of today is except the main application function of communication, the enjoy high quality stereo music also is its an important use function, therefore, mobile phone of today all disposes the communication interface of wired or wireless (bluetooth) that insert the stereo music earphone comprise microphone (following or be called music headset), and for ease of carrying and using, the music headset that is disposed mostly is the ear type structure.
Fig. 1 is worn on the distribution schematic diagram of respectively organizing parts on user's the head 100 for a kind of typical ear type music headset 200, wherein cable 240 extensions are connected to not shown mobile phone, the stereo audio signal or the communication voice signal of dual track are distinguished branch cable 220L and right branch cable 220R output left via control box 230, left channel audio signal is sent to the not shown loudspeaker among the L channel earphone 210L on the left ear 110L and right channel audio signal is sent to not shown loudspeaker among the R channel earphone 210R on the auris dextra 110R through left branch cable 220L again through right branch cable 220R.
According to shown in Figure 1 learning, because clothes 130 is in the below of face 120, fixedly make control box 230 to there being bigger distance D between the face 120 all the time by line wire clamp 250, and sound is propagated in air and is had distance and whenever increase and be twice the characteristic that acoustic pressure will reduce four times, make when the sound that sends from face 120 is communicated to microphone 232 outside the distance D just weak a lot, exemplify explanation, suppose that the best pickup distance between microphone 232 and the face 120 is 20mm, the numerical value of distance D is between 160mm～260mm, learn that by calculating the sound acoustic pressure that microphone 232 can pick up only is 1/28～1/48 of desirable acoustic pressure.Therefore, we usually can see that a lot of users is when using the headset communication, in order to allow own one's voice in speech can clearly be communicated to the other side, just need control box 230 be furthered and speak on the limit of face 120 with a hand, then more need so in the bigger public place of ambient noise especially, this makes troubles to the user.
Select more highly sensitive microphone or raising pickup Amplifier Gain no doubt can improve pickup effect, but the problem that can bring ambient noise to be picked up and amplify by microphone simultaneously, promptly can not improve the signal to noise ratio of pickup signal effectively, and, people's communication environment is crossed to dynamically and constantly changing, various ambient noises source is extremely complicated and have diversity, also is difficult to eliminate fully by technological means such as electronic noise reductions.
A kind of method that can effectively improve pickup effect is to adopt the bone-conduction microphone pick up the speech fluctuations signal that its vocal cords send from the external auditory meatus of human body, it also has the function and the stable characteristics of pickup signal of anti-high ambient noise interference, and this technology obtains certain applications aspect bluetooth earphone in mobile phone and the wireless interspeaker communication at present.The operation principle of the bone-conduction microphone of duct pickup is, the skin that utilizes bone-conduction microphone to see through external auditory meatus is close to condyle shape teat position in the inferior maxilla (from external auditory meatus along the downward slightly direction in facial the place ahead) and is picked up that vocal cords produce and (annotate: the audio mixing problem that the speech fluctuations signal of the skull conduction of other position from external auditory meatus exists phase difference to cause) through the speech fluctuations signal of inferior maxilla conduction, and because of the noise and vibration in the extraneous air is not easy to be transmitted in the bone of human body, thereby from the just interference of anti-outside noise well of speech fluctuations signal of bone conduction.But, open that condyle shape in the course of action of remaining silent is prominent can be changed with producing displacement between the opening and closing movement up and down of inferior maxilla and the external auditory meatus during human speaking, below can be illustrated more clearly in the movement mechanism that this displacement changes by Fig. 2.In Fig. 2, condyle shape in the inferior maxilla 120 prominent 121 has constituted remporomandibular joint with the cross-linking part of temporal bone 130, condyle shape prominent 121 is the movable part in the remporomandibular joint, it is the rotation of supporting revolving shaft except the opening and closing movement of foundation inferior maxilla 120, also follow the motion process of inferior maxilla 120 to present and external auditory meatus 140 between form far and near kinetic characteristic of sliding, be incorporated herein professional medical knowledge and can be illustrated more clearly in this problem to the note original text of remporomandibular joint: " remporomandibular joint is recessed by mandibular joint; the condyle shape is prominent; articular disc and capsular ligament are formed, and being close to also has ligament to adhere to.
Mandibular joint is recessed below petrous bone, and before the external auditory meatus, surface of bone has fibrocartilage to cover.The bone projection in articular fossa the place ahead is a tuberculum articulare, and it helps to prevent prominent the sliding excessively forward of condyle shape when dehiscing greatly and dislocates.The prominent surface of condyle shape also has fibrocartilage to cover.Articular disc is an ovate fiber hone lamella, between articular fossa and condyle shape are prominent, articular cavity is divided into epicoele and cavity of resorption two parts, links to each other with capsular ligament all around.Articular disc is tough and tensile, cushioning effect is arranged and make to close the multi-direction motion of energy-conservation adaptation lower jaw between two articular surfaces.Capsular ligament is the connective tissue pockets of a toughness, surround remporomandibular joint around.
Remporomandibular joint has the joint of linking about rotation and slip.Remporomandibular joint mainly contains and opens and closes mouth, protracts and three kinds of citation forms of lateral movement.These motions are to produce by the action of coordinating mutually between muscles of mastication, ligament, the joint.”
Get back to Fig. 2, just, when being in the position of L1, inferior maxilla 120 (is rendered as the state of remaining silent of human body face), distance between its condyle shape prominent 121 and the external auditory meatus 140 is D1, and when inferior maxilla 120 is in the position of L2, (be rendered as the state of dehiscing of human body face), distance between its condyle shape prominent 121 and the external auditory meatus 140 becomes D2, and wherein D2 forms sliding stroke D greater than D1.
Because the existence of sliding stroke D, for making the not shown bone-conduction microphone that is inserted in the external auditory meatus 140 under the state of the displacement variation of condyle shape prominent 121, obtain voice signal clearly, just must allow and remain good physics between bone-conduction microphone and the condyle shape prominent 121 and contact, in other words, allow bone-conduction microphone all the time prominent 121 directions of condyle shape be formed extruding or are close to state dynamically exactly, the method of present head it off mainly contains following three kinds: the one, and the diameter of going into ear portions of increasing bone-conduction microphone shell, change to the displacement that the direction of condyle shape prominent 121 provides enough extruding forces to follow condyle shape prominent 121 in the mode of expansion external auditory meatus, secondly, the dynamic displacement that the elastic force of setting up the strip spring and utilize cavity of concha 141 to produce by the strip spring bending for the strong point on the bone-conduction microphone housing allows bone-conduction microphone follow condyle shape prominent 121 changes, have, the displacement that utilizes the weight (utilizing the decomposing force of gravity by the structural design of wearing) of earphone itself to follow condyle shape prominent 121 changes again.More than adopt spring to keep the mode of applying power to have the loaded down with trivial details problem of the process of wearing in three kinds of schemes, and the mode of utilizing earphone gravity is only applicable to possess as bluetooth earphone etc. the earphone of constant weight and uses, therefore, using maximum at present is the mode of extruding external auditory meatus.
Because the bone-conduction microphone of insertion external auditory meatus need form enough extruding forces to external auditory meatus and could guarantee to obtain voice signal clearly, will bring the impression of wearing of uncomfortable clothes to the user, be difficult to stand and wear for a long time and use, for now, the bone-conduction microphone of external auditory meatus pickup also only obtains certain applications in some special communication projects as the character of executing the task of wireless interspeaker etc., for example, communication applications under high-noise environment, perhaps, need wear a gas mask or the situation of rebreather (and don't mouth easy to use before microphone) under communication applications, and the application case of the bone-conduction microphone of duct pickup is not arranged as yet in the music headset of mobile phone configuration.Reason is that the music headset of mobile phone configuration is the device that can bring the enjoyment character of impression in a good mood to the user, the user does not wish that when listening to high-quality stereo music uncomfortable sense of touch susception is arranged, therefore, be difficult to accept the discomfort clothes impression that the excessive compression duct of foregoing description brings.And, existing ear type music earphone (comprising headset) experienced for many years update and perfect, its comfort satisfied the needs of wearing that people enjoy purpose.
Summary of the invention
In view of there is structural issue in ear type music headset that existing mobile phone disposed, cause wherein microphone because of obtaining good pickup effect under the state that use naturally and under the state of high-noise environment, and, though the bone-conduction microphone of existing external auditory meatus pickup from human body can obtain good pickup effect under natural user mode and high-noise environment, wear uncomfortable and problem that should not use for a long time but exist, therefore, the ear type music headset (hereinafter referred to as the mobile phone headset) that the object of the present invention is to provide a kind of mobile phone configuration to use, it not only can obtain good pickup effect under the natural user mode He under the high-noise environment, further improve communication quality, can also allow stereo music playing function and communication function be taken into account, and, in the advantage of the portability that fully keeps existing mobile phone music headset and comfortable wearing and operation convenience, also effectively overcome the unfavorable technological deficiency of its pickup effect.
First aspect of the present invention is to provide a kind of mobile phone headset, and its structure comprises: earphone case, described earphone case are worn on left ear and the external auditory canal opening of auris dextra or the position in the insertion external auditory meatus of user's head; Loudspeaker, described loudspeaker are placed in the described earphone case, are arranged to the Introduced cases audio signal that presents the happy monaural communication voice of stereo sound; Microphone, described microphone are placed in any described earphone case, be configured to pick up its voice messaging and produce output property audio signal from user's external auditory meatus; Control unit, described control unit is configured to export according to the control signal that sets in advance according to the button that manual operation sets in advance, wherein, the operation of at least one described button follows Synchronization Control and described microphone to be placed in the operating state of the described loudspeaker in the same described earphone case jointly; Transmission adaptor, described transmission adaptor are configured to set up transmission link with mobile phone, transmit described Introduced cases audio signal and described output audio signal and described control signal.
So, the stable voice signal that mobile phone headset of the present invention just can pick up it from user's external auditory meatus in communication process produce when speaking, reason is that the sound vibration signal that the human body vocal cords send can pass through the air vibration that its head bone stably is transmitted in the external auditory meatus and causes inside, and, from the external auditory meatus of sealing, pick up its voice messaging and also have the function of isolating the external environment noise, help improving the signal to noise ratio of pickup signal.In addition, the PlayGear Stealth housing that the voice messaging that picks up the user in the air from external auditory meatus just can adopt tradition to have well to wear sense fully effectively overcomes from the bone-conduction microphone of external auditory meatus pickup and wears uncomfortable problem.
Communication state is closed by synchronous or interlock control with the loudspeaker that microphone is placed in the same earphone case jointly down, can prevent to form between these loudspeaker and the microphone positive feedback self-excitation, can utilize loudspeaker and a microphone on the another ear on the ear to work simultaneously and realize full duplex communication again, and present stereo music allowing loudspeaker on the ear of the left and right sides possess condition of work simultaneously under the communication state, therefore, the ear type headset that uses as mobile phone configuration can nationality helps simple and effectively obtains better communication effect under all consistent with the traditional ear type music headset situation of the microphone pickup mode portability that keeps its integral body and comfortable wearing and control method.
Second aspect of the present invention is above-mentioned aspect first in described mobile phone headset, wherein said control unit include controller and trigger and the control circuit formed by self-lock switch at least one.
So, mobile phone headset of the present invention fully satisfies the functional requirement of mobile phone just have more flexibility aspect the mobile phone configuration.For example, mobile phone with various control functional requirement is (as Communication Control, volume is regulated, program is selected, program control, electronic noise reduction and microphone control etc.) configurable control allocation plan with controller (as general single chip controller or special-purpose controller) of Based Intelligent Control function, perhaps, the control allocation plan that the control circuit of forming by the nonshared control unit line traffic control controller of mobile phone design (as aim at) and various general purpose controllers and trigger and by self-lock switch etc. makes up, and, for the simple mobile phone of controlled function demand (as the incoming call answering only and the singly-bound control mode of hanging up the telephone), then can select the control allocation plan of the control circuit formed by trigger or by self-lock switch separately.
The 3rd aspect of the present invention is above-mentioned aspect first in described mobile phone headset, in the wherein said earphone case and touching of connecing of user's external auditory meatus or external auditory canal opening surrounding skin be provided with soft adaptive lining between the face.
So, the interference that can effectively isolate outside noise can obtain better to allow the comfortable wearing sense again.
The 4th aspect of the present invention is above-mentioned aspect first in described mobile phone headset, and the described microphone that wherein is placed in the described earphone case is fixed by flexible vibration absorber or soft damping material.
So, just can effectively improve the pickup quality of the microphone that is placed in the earphone case, its principle is that the vibration that the human body vocal cords send can be transmitted to external auditory meatus and cause the earphone vibration that is worn on the external auditory canal opening, and, drive inner microphone body vibration, thereby have influence on the pickup quality of microphone, fix the body vibration that microphone then can effectively absorb microphone by elasticity or soft damping material.
The 5th aspect of the present invention is above-mentioned aspect first in described mobile phone headset, and the transmission link that wherein said transmission adaptor and described mobile phone are set up is made up of any transmission link in wire transmission link and the wireless transmission link.
So, mobile phone headset of the present invention just has more applicability aspect the transmission link setting up with mobile phone, the intrinsic combination hub of mode that both can be by wired connection and mobile phone is set up wired transmission link, also can utilize the bluetooth communication function of most of mobile phones to realize wireless data transmission.
The 6th aspect of the present invention is to provide a kind of effective management method of mobile phone headset, has: touch the step of implementing to answer the incoming call of mobile phone by the button of a pre-selected; Close the operating state that is placed in the loudspeaker in the same earphone case jointly with microphone and stop the step that forms signal feedback; On two ears of user, realize being talked about and send the step of the full duplex communication pattern that words work simultaneously respectively; Talk-through repeats to touch the step that realizes closing the mobile phone communication program by the button of a pre-selected; The operating state of recovering pent loudspeaker is recovered the step of stereo music earphone condition of work.
So, the communication process of mobile phone headset of the present invention just can effectively be ensured, and kept the function of original stereophone under the communication state.
Description of drawings
Be described in detail below with reference to accompanying drawing, above-mentioned purpose of the present invention, feature and advantage be will become apparent, wherein:
Fig. 1 is the head view that a kind of traditional ear type music headset of goal of the invention of the present invention as an illustration is worn on the user;
Fig. 2 is the duct osteoacusis pickup principle schematic of goal of the invention of the present invention as an illustration;
Fig. 3 is the contour structures schematic diagram as the mobile phone headset with a plurality of controlled function of the embodiment of the invention 1;
Fig. 4 is the headset of key diagram 3 is made of control unit jointly controller and output switch each functional part block diagram;
Fig. 5 is the contour structures schematic diagram as the mobile phone headset with simple controlled function of the embodiment of the invention 2;
Fig. 6 is the headset of key diagram 5 is made of control unit jointly trigger and output switch each functional part block diagram;
Fig. 7 is the headset of key diagram 5 is made of control unit jointly self-lock switch and touch-switch each functional part block diagram;
Embodiment
Below, preferred embodiments of the present invention will be described in detail with reference to the annexed drawings, be to be understood that describe in detail and the preferred embodiment of indication invention only be intended for use exemplary purpose and and do not mean that scope of the present invention limited, simultaneously, for avoiding fuzzy theme of the present invention, omitted detailed description to structure well-known in the art or processing.
In Fig. 3, present embodiment is by left earphone case 302L, right earphone housing 302R, left side branch cable 305L, right branch cable 305R, control box 301, leader cable 306 and transmission adaptor 350 are formed jointly, include among the wherein left earphone case 302L among the loudspeaker 340L that is configured to present left channel audio signal and the right earphone housing 302R and include the loudspeaker 340R that is configured to present right channel audio signal, and, also include microphone 330 and, help reducing the interference that user's vocal cords speech fluctuations brings among the earphone case 302L of a left side the vibration damping ring set 331 that it wraps.Though present embodiment is that the vibration damping ring set 331 that constitutes with soft material is to wrap microphone 330, also can adopt other to have the mode of the material that absorbs vibrating function or other fixed structure, for example, employing can absorb the mode that the metal spring of vocal cord vibration hangs microphone 330.
In addition, on left earphone case 302L and right earphone housing 302R, be respectively arranged with soft adaptive lining (303L, 303R), when left earphone case 302L and right earphone housing 302R are worn on user's the ear, adaptive lining (303L, 303R) skin that is used to sturdy user's external auditory canal opening periphery plays the function that raising is joined the comfortable wearing degree and isolated outside noise, create the quiet environment of listening to when enjoying stereo music to the full, and can under high-noise environment, can not hear the communication object one's voice in speech yet, and, from user's left external auditory canal, pick up its clear and stable voice messaging by microphone 330, thereby effectively overcome the music headset pickup instability of traditional mobile phone configuration and the problem of environmental suitability difference.Though microphone 330 is the modes of settling among the left earphone case 302L, also can be placed among the right earphone housing 302R mode from the right external auditory canal pickup.In addition, left earphone case 302L and right earphone housing 302R adopt the ear suspension type earplug structure that can not push ear, wear more comfortablely, in addition, also can adopt other ear formula structure, for example, and the In-Ear earplug structure of better tightness.
In Fig. 4, utilize block diagram that the function at each position of the mobile phone headset circuit of the embodiment of the invention 1 is described.Transmission adaptor 350 total L channel audio frequency ends 351, power data end 352, right audio channel end 353 and earth terminal 354 be totally four terminals, power data end 352 wherein is multiplexing end, except the controller 321 in microphone 330 and control unit 320 and memory 322 and output switch 323 provide the power for operation support, also has the function that the control signal of the pickup signal of microphone 330 outputs and controller 321 outputs is sent to not shown mobile phone via transmission adaptor 350.
Under the communication state, utilize mobile phone to play stereo music or comprise in the video frequency program of stereo music, except controlling the broadcast of programs by multiplexing input switch 311 and stopping, also can control the selection of program by input switch (312,313) respectively, can also control volume by input switch (314,315) in addition, and these cited input switches of present embodiment only are exemplary illustrated, and more applications can increase or reduce concrete input switch number as required.
Below, according to Fig. 5 the characteristic of the embodiment 1 that is different from Fig. 3 in the embodiments of the invention 2 is carried out general description.Left side earphone case 302L and right earphone housing 302R have adopted traditional In-Ear earplug structure, dispose In-Ear soft adaptive lining (303L, 303R) simultaneously, like this, not only can obtain good comfortable wearing sense but also can completely cut off extraneous noise jamming better.In addition, control box 301 is provided with the communication that single input switch 310 is configured to control not shown mobile phone, and like this, the Play Control of stereo sound music program then is placed on the mobile phone and operates.
In Fig. 6, input switch 310 is configured to control the communication of the not shown mobile phone that connects through transmission adaptor 350, promptly when mobile phone meets incoming call, input switch 310 can be produced a pulse signal by the process of pressing conveniently and decontroling and remove to control mobile phone entry communication state on power control terminal 352, simultaneously, flip and flop generator 321 triggers upset and controls the operating state that output switch 322 removes to cut out L channel loudspeaker 340L according to this pulse signal.Communication finishes, input switch 310 is produced another pulse signal by mobile phone closed communication program by the process of pressing once more and decontroling, simultaneously, be triggered once more upset and control output switch 322 of flip and flop generator 321 goes to recover the operating state of L channel loudspeaker 340L, finishes the communication process control of mobile phone.Though be to control the mode of exporting switches 322 with flip and flop generator 321 to guarantee L channel loudspeaker 340L idle mode in communication process in the present embodiment, in addition, also can select to realize above-mentioned control purpose by the combination of monostable flipflop and attached control circuit, for example, triggering the upset of not shown monostable flipflop by input switch 310 when the combined with mobile telephone input or and the pickup signal of microphone 330 outputs keep the rollover states of monostable flipflop to finish until communication process.
In Fig. 7, control unit 320 is made up of jointly touch-switch K1 and self-lock switch K2 and the interlock of the button 310 that linked is controlled, when the not shown mobile phone that connects with transmission adaptor 350 meets incoming call, press the depress pulse signal that with dispose procedure on power data signal end 352 produce a control mobile phone entry communication state of 310 touch-switch K1 of interlock button with finger, simultaneously, self-lock switch K2 is " disconnection " state and locking by original " connection " state exchange, makes the L channel loudspeaker 340L in the communication process be in closed condition all the time.Communication finishes, press interlock button 310 once more and produce the communication program that a pulse signal removes to close mobile phone once more by touch-switch K1, simultaneously, self-lock switch K2 reverts to the work that " connection " state recovers L channel loudspeaker 340L, finishes the control of communication process.In addition, in the present embodiment, control unit 320 can also can produce the mode of forming of the electronic circuit combination of the pulse signal of controlling the mobile phone communication state by self-lock switch K2 and other except being made up of touch-switch K1 and self-lock switch K2.
At last, the discussion of the foregoing description only is restricted to accordance with any particular embodiment or embodiment group for exemplary not being appreciated that to claim of the present invention, detailed description by the foregoing description, those skilled in the art will become clear more to various modifications of the present invention and be more prone to, and also be to be understood that and carry out many modifications therein and change deviating from the spiritual scope of using widely and expecting that is proposed in the claim of the present invention.
Claims (6)
1. a mobile phone headset is characterized in that, comprising:
Earphone case, described earphone case are worn on left ear and the external auditory canal opening of auris dextra or the position in the insertion external auditory meatus of user's head;
Loudspeaker, described loudspeaker are placed in the described earphone case, are arranged to the Introduced cases audio signal that presents the happy monaural communication voice of stereo sound;
Microphone, described microphone are placed in any described earphone case, be configured to pick up its voice messaging and produce output property audio signal from user's external auditory meatus;
Control unit, described control unit is configured to export according to the control signal that sets in advance according to the button that manual operation sets in advance, wherein, the operation of at least one described button follows Synchronization Control and described microphone to be placed in the operating state of the described loudspeaker in the same described earphone case jointly;
Transmission adaptor, described transmission adaptor are configured to set up transmission link with mobile phone, transmit described Introduced cases audio signal and described output audio signal and described control signal.
2. mobile phone headset according to claim 1 is characterized in that, wherein said control unit include controller and trigger and the control circuit formed by self-lock switch at least one.
3. mobile phone headset according to claim 1 is characterized in that, in the wherein said earphone case and touching of connecing of user's external auditory meatus or external auditory canal opening surrounding skin be provided with soft adaptive lining between the face.
4. mobile phone headset according to claim 1 is characterized in that, the described microphone that wherein is placed in the described earphone case is fixed by flexible vibration absorber or soft damping material.
5. mobile phone headset according to claim 1 is characterized in that, the transmission link that wherein said transmission adaptor and described mobile phone are set up is made up of any transmission link in wire transmission link and the wireless transmission link.
6. the effective management method of a mobile phone headset is characterized in that, has:
Touch the step of implementing to answer the incoming call of mobile phone by the button of a pre-selected;
Close the operating state that is placed in the loudspeaker in the same earphone case jointly with microphone and stop the step that forms signal feedback;
On two ears of user, realize being talked about and send the step of the full duplex communication pattern that words work simultaneously respectively;
Talk-through repeats to touch the step that realizes closing the mobile phone communication program by the button of a pre-selected;
The operating state of recovering pent loudspeaker is created the step of stereo music earphone condition of work.
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| CN2011100506768A CN102123188A (en) | 2011-03-03 | 2011-03-03 | Earphone device of mobile phone |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2011100506768A CN102123188A (en) | 2011-03-03 | 2011-03-03 | Earphone device of mobile phone |
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| CN102123188A true CN102123188A (en) | 2011-07-13 |
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