CN204291324U - A kind of earphone - Google Patents
A kind of earphone Download PDFInfo
- Publication number
- CN204291324U CN204291324U CN201420852174.6U CN201420852174U CN204291324U CN 204291324 U CN204291324 U CN 204291324U CN 201420852174 U CN201420852174 U CN 201420852174U CN 204291324 U CN204291324 U CN 204291324U
- Authority
- CN
- China
- Prior art keywords
- adjuster
- earphone
- main control
- control chip
- noise reduction
- 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.)
- Active
Links
Landscapes
- Circuit For Audible Band Transducer (AREA)
- Headphones And Earphones (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a kind of earphone.This earphone comprises: earphone arranged outside has at least one to gather the outer microphone of ambient sound, earphone outer covering is provided with the moveable adjuster of mechanical type.Adjuster has electrical port, and adjuster is connected to the noise reduction module of earphone by electrical port and/or monitors module, noise reduction module and/or monitor model calling to the main control chip of earphone, or, be integrated in main control chip; The mobile status of main control chip monitoring adjuster, when adjuster is moved, knows amount of movement and the mobile type of adjuster; Main control chip confirms current adjustment type according to mobile type, and confirms the regulated quantity of current environmental sound according to amount of movement; Main control chip, according to the adjustment type confirmed, controls noise reduction module or monitors module to adopt the regulated quantity confirmed to regulate the ambient sound that microphone collects.
Description
Technical field
The utility model relates to ear phone technology field, particularly a kind of earphone.
Background technology
The raising of social informatization degree makes people can carry out anywhere or anytime communicating and exchanging, various communication equipment (mobile phone, bluetooth earphone,, stereophone etc.) and the extensive use of the communication technology be very easy to the life of people, improve operating efficiency.But the more serious problem of social development one of bringing is noise problem, communicate in noise circumstance, badly influence definition and the intelligibility of communication speech, when noise height to a certain extent time, not only communication cannot be carried out, and can hurt hearing and the physical and mental health of people.
For noise problem, in existing scheme, provide the earphone products that some have noise reduction capability.When opening the decrease of noise functions of noise cancelling headphone, earphone can carry out noise reduction by sound to external world, then exports to earphone speaker and hears the sound after noise reduction by earphone wearer.
But, because extraneous environmental noise is change, energy rank and the spectrum distribution of different time different location ambient noise are different, existing noise cancelling headphone only has to be opened decrease of noise functions and closes decrease of noise functions two kinds of modes, this presence or absence directly realizing decrease of noise functions, can not give the earphone wearer Consumer's Experience brought.
Such as, at normal office room environmental, if directly open the noise reduction that earphone decrease of noise functions provides more than 25dB, earphone wearer have a kind of oppressive, just as the sensation at professional acoustics anechoic chamber, and under this environment, there is again certain ambient noise, can not directly decrease of noise functions be turned off.
Utility model content
A kind of earphone that the utility model provides, to solve presence or absence, the noise reduction mode Single-issue that existing noise cancelling headphone only directly can realize decrease of noise functions.
For achieving the above object, the technical solution of the utility model is achieved in that
The utility model embodiment provides a kind of earphone.Earphone arranged outside has at least one to gather the outer microphone of ambient sound, earphone outer covering is provided with the moveable adjuster of mechanical type, adjuster has electrical port, adjuster is connected to the noise reduction module of earphone by electrical port and/or monitors module, noise reduction module and/or monitor model calling to the main control chip of earphone, or, be integrated in main control chip.
The mobile status of main control chip monitoring adjuster, when adjuster is moved, knows amount of movement and the mobile type of adjuster; Main control chip confirms current adjustment type according to mobile type, and confirms the regulated quantity of current environmental sound according to amount of movement; Main control chip, according to the adjustment type of confirmation, starts noise reduction module and adopts the regulated quantity of confirmation to carry out noise reduction to the ambient sound that microphone collects, or startup monitoring module adopts the regulated quantity confirmed to carry out adjustment monitoring to the ambient sound that microphone collects.
The technical scheme of the utility model embodiment, the amount of movement of multiple different gradual change can be obtained by the movement of adjuster, different amount of movements corresponds to different regulated quantitys, thus the volume of ambient sound that can regulate arbitrarily the size of noise reduction as required or listen to, solve existing scheme to open or close the problem brought by single selection decrease of noise functions, achieve the flexible of earphone to ambient sound, make ear-phone function more humane, enhance earphone performance, improve Consumer's Experience.
Accompanying drawing explanation
A scene schematic diagram of application this programme that Fig. 1 provides for the utility model embodiment;
The method of operation schematic diagram of Fig. 2 for utilizing the utility model embodiment to provide earphone adjusting ambient sound;
A kind of implementation schematic diagram of the adjuster that Fig. 3 provides for another embodiment of the utility model;
The another kind of implementation schematic diagram of the adjuster that Fig. 4 provides for another embodiment of the utility model;
Another the implementation schematic diagram of the adjuster that Fig. 5 provides for another embodiment of the utility model;
Another the implementation schematic diagram of the adjuster that Fig. 6 provides for another embodiment of the utility model;
The employing feedforward that Fig. 7 provides for another embodiment of the utility model adds the mixing active noise reduction earphone system block diagram feeding back and realize;
Fig. 8 shows the experimental result picture of earphone in the different noise reduction of different noise reduction rank of this programme;
The difference that the earphone that Fig. 9 shows this programme realizes monitors the experimental result picture controlling corresponding EQ curve.
Embodiment
For making the purpose of this utility model, technical scheme and advantage clearly, below in conjunction with accompanying drawing, the utility model execution mode is described in further detail.
The utility model embodiment provides a kind of earphone for adjusting ambient sound.See Fig. 1, show a scene of application this programme, the method comprises: in earphone arranged outside, at least one gathers the outer microphone of ambient sound, as being connected to the MIC1 of noise reduction module and being connected to the MIC2 monitoring module.In a kind of mode of distortion, can utilize same outer microphone respectively with noise reduction module and monitor model calling, realize noise reduction and monitoring.Earphone outer covering arranges the moveable adjuster of mechanical type, and adjuster has electrical port, by electrical port, adjuster is connected to noise reduction module and/or the monitoring module of earphone.Noise reduction module and monitor module and can be integrated on the main control chip of earphone, is realized by chip, or in earphone, arranges discrete device respectively realize noise reduction module and monitor module.
See Fig. 2, the operation of the earphone adjusting ambient sound utilizing the present embodiment to provide also comprises:
S201: the mobile status of main control chip Real-Time Monitoring adjuster, when adjuster is moved, knows amount of movement and the mobile type of adjuster.
S202: main control chip confirms current adjustment type according to mobile type, and the regulated quantity confirming current environmental sound according to amount of movement.
S203: main control chip, according to the adjustment type of confirmation, starts noise reduction module and adopts the regulated quantity confirmed to regulate the ambient sound that microphone collects, or startup monitoring module adopts the regulated quantity confirmed to regulate the ambient sound that microphone collects.
When communicating under noise background, earphone can adopt noise reduction module.Noise reduction module adopts feed forward type (Feed-Forward, FF) noise reduction, reaction type (FeedBack, FB) noise reduction or feedforward to add the mixing noise reduction of feedback.Current noise reduction mainly considers following two aspects: be send words end to adopt acoustics signal processing technology to improve the signal to noise ratio of the voice signal of microphone pickup at communication equipment on the one hand, make remote subscriber can not hear the speech of near-end user.Need on the other hand the signal to noise ratio improving callee voice in communication equipment callee, the voice signal making near-end can not hear remote subscriber to bring.
In other scene, also can carry out with the external world easily conversing or ambient noise is monitored to external world to not take down earphone time in need, earphone can adopt monitoring module, and the sound to external world in environment amplifies, and ensures that wearer can hear external sound.The existing earphone with monitor function, also only has and opens monitor function and close monitor function two kinds of modes, this presence or absence directly realizing monitor function, can not give the earphone wearer Consumer's Experience brought.
Above-mentioned steps S201 to S203 also by noise reduction module or can monitor module realization, the movement to adjuster can be monitored by noise reduction module or monitoring module.
The present embodiment can be applied in earphone a kind of scene that only there is noise reduction module and monitor in module, at this moment when adjuster moves, only corresponding a kind of mobile type, such as, when only there is noise reduction module, if monitor adjuster to move, then the mobile type of adjuster only corresponds to the adjustment type of noise reduction.
The technical scheme of the utility model embodiment, the amount of movement of multiple different gradual change can be obtained by the movement of adjuster, different amount of movements corresponds to different regulated quantitys, thus the volume of ambient sound that can regulate arbitrarily the size of noise reduction as required or listen to, solve existing scheme to open or close the problem brought by single selection decrease of noise functions, achieve the flexible of earphone to ambient sound, make ear-phone function more humane, enhance earphone performance, improve Consumer's Experience.
On basis embodiment illustrated in fig. 2, further, the utility model embodiment also comprises: according to the mobile behavior of adjuster, the mobile status of adjuster is divided into the first mobile type comprising and controlling corresponding to noise reduction, and corresponds to the second mobile type monitored and control.Wherein, utilize noise reduction module to perform noise reduction and control, utilize the execution of monitoring module to monitor and control.
Different according to the specific implementation of adjuster, the mobile behavior of adjuster is also different, as adjuster be knob time, the mobile behavior of adjuster can comprise to anticlockwise, to right rotation.
The present embodiment, by the mobile status of adjuster is divided into two kinds of mobile types, realizes to utilize same adjuster regulating noise reduction and regulating monitoring two kinds of functions.This mainly considers that the function of noise reduction and monitoring is two contrary action effects in fact, adopts the mode of same structural member to realize the adjustment of two kinds of functions, while guarantee ear-phone function, can simplify the structure of earphone.The present embodiment is mainly described for the scene arranging an adjuster, but is not limited thereto, and the present embodiment also can arrange two adjusters, and an adjuster is used for realizing noise reduction and controls, and an adjuster controls for realizing monitoring.
Then said method also comprises: in an observation process, and main control chip can perform following one operation:
When the movement that main control chip monitors adjuster generation belongs to the first mobile type, confirm that current adjustment type is that noise reduction controls, and confirm the noise reduction of current environmental sound according to amount of movement;
When the movement that main control chip monitors adjuster generation belongs to the second mobile type, confirm that current adjustment type controls for monitoring, and confirm the amplification quantity of current environmental sound according to amount of movement
When earphone being provided with two adjusters, main control chip for the movement of two adjusters, can perform above-mentioned two kinds of operations simultaneously, or only performs above-mentioned one operation.
Main control chip can safeguard the mapping table of an amount of movement and regulated quantity in advance, inquires about the corresponding relation of amount of movement and regulated quantity, can obtain the regulated quantity of current environmental sound fast according to amount of movement.This mode, when monitoring, not needing to calculate noise reduction or amplification quantity in real time, can obtain presently used noise reduction or amplification quantity fast, improves the speed that earphone regulates ambient sound.
The another embodiment of the utility model is mainly described the working method of adjuster, and the other guide of earphone ambient sound regulation scheme can see other embodiments of the present utility model.
When realizing adjuster by knob, the rotational trajectory of adjuster arranges rotational interface point, as using the intermediate point of rotational trajectory as rotational interface point, main control chip (or noise reduction module) monitors knob when rotating to the predetermined side (as left side) of rotational interface point, know that the mobile type of knob is the first mobile type, main control chip (or monitor module) monitors knob when rotating to the opposite side (as right side) of rotational interface point, know that the mobile type of knob is the second mobile type, and obtain described amount of movement by the rotation amount of knob.See Fig. 3, show a kind of implementation of adjuster.Adjuster is knob, coaxially assembles with the earphone portions of headphone, and for each receiver arranges an adjuster, adjuster is positioned at the outer end of earphone portions housing, and the adjustment of the ambient sound of the receiver of homonymy is responsible for by an adjuster.The knob being provided as adjuster has certain size and thickness, and be convenient to staff and grip, such as adjuster can for having certain thickness disc parts.
Or, see Fig. 4, show the another kind of implementation of adjuster.Adjuster is knob, and receiver hull outside certain altitude given prominence to by this knob, so that staff grips, knob does not coaxially assemble with adjuster, and knob is cylinder component.
When realizing adjuster by push button, the promotion stroke of adjuster arranges stroke separation, monitor push button when sliding to the predetermined side (as top) of stroke separation, know that the mobile type of push button is the first mobile type, monitor push button when sliding to the opposite side (as below) of stroke separation, know that the mobile type of push button is the second mobile type, and obtain amount of movement by the sliding distance of push button.See Fig. 5, show the schematic diagram that adjuster is push button, push button is arranged in sliding tray, and push button slides up and down along sliding tray.
When realizing adjuster by two buttons, monitor the first button when being pressed, know that the mobile type of button is the first mobile type, monitor the second button when being pressed, know that the mobile type of button is the second mobile type, and obtain described amount of movement by the number of times of pressing of button.See Fig. 6, show the schematic diagram that adjuster is button, comprise the first button and the second button that can press up and down.
Under a scene, if adjuster is the mode of knob, then ambient sound to external world can be set when knob is in centre position and amplify and also do not reduce, then realize noise reduction toward anticlockwise, more noise reductions toward anticlockwise are larger, rotate to leftmost position noise reduction maximum; Arrange knob to turn right and rotate to be the ambient sound that listens to and amplify, more larger toward right rotation pilot signal, rotate to rightmost position then pilot signal amplification reach maximum, same push button and button can realize same function.
Above-mentionedly mainly be illustrated adjuster for headphone, for In-Ear Headphones, adjuster is arranged on line control machine, and concrete set-up mode can see the adjuster of headphone.
The another embodiment of the utility model is mainly described the adjustment scene that noise reduction controls, and the other guide of earphone ambient sound regulation scheme can see other embodiments of the present utility model.
As shown in Figure 7, showing noise reduction module adopts feedforward to add the mixing active noise reduction earphone system block diagram fed back when realizing.The maximum noise reduction of its system and noise reduction frequency band are the superposition of feedback (FB active noise reduction control ANC) and feedforward (FF ANC) two aspect noise reduction, basic anti-acoustic capability is see Fig. 7, noise reduction module has active noise reduction amount at low frequency 1000Hz, maximum active noise reduction amount can reach about 25db, coordinate the passive sound insulation of earmuff or earplug, noise cancelling headphone can provide the noise reduction of similar 20db in whole frequency band.
Noise reduction/amplification quantity can realize different noise reduction rank/monitoring ranks by the form of Circuit tuning or software modification register, and user manually can carry out the adjustment of noise reduction/monitoring effect as required.
Such as, adopt MCU (Micro Control Unit, micro-control unit) realize noise reduction module and/or monitor module time, as main control chip be MCU time, utilize the write value of the regulated quantity amendment MCU control MCU register confirmed, change noise reduction or amplification quantity.The signal that microphone (as FF/FB noise reduction MIC1 or the monitoring MIC2) pickup that noise reduction module or monitoring module can be placed in extraneous environmental noise is arrived amplifies through certain EQ (equalizer) and compensates, and then exports to earphone speaker and hears by earphone wearer.Can realize by EQ process the effect weakening low frequency lifting medium-high frequency, the sound that earphone is exported more meets human auditory system effect.
Below in conjunction with experimental result picture, the beneficial effect of explanation this programme clearly.
See Fig. 8, the experimental result picture of the different noise reductions that the earphone showing application this programme realizes.
Fig. 8 shows a kind of schematic diagram of earphone in the different noise reduction of different noise reduction rank of this programme, this is a kind of implementation of this programme, wherein different stage need noise reduction and noise reduction frequency band can carry out different adjustment as required, reach better Consumer's Experience.Under mode as shown in Figure 8, the earphone of this programme can realize ten kinds of different noise reduction ranks according to different amount of movements.
See Fig. 9, the difference that the earphone showing application this programme realizes monitors the experimental result picture controlling corresponding EQ (equalizer) curve.This is a kind of implementation of this programme, and under mode as shown in Figure 9, the earphone of this programme can realize ten kinds of different monitoring ranks according to different amount of movements.
The technical scheme of the utility model embodiment, the amount of movement of multiple different gradual change (each gradual change can equivalent or inequality) can be obtained by the movement of adjuster, different amount of movements corresponds to different regulated quantitys, thus the volume of ambient sound that can regulate arbitrarily the size of noise reduction as required or listen to, solve existing scheme to open or close the problem brought by single selection decrease of noise functions, achieve the flexible of earphone to ambient sound, make ear-phone function more humane, enhance earphone performance, improve Consumer's Experience.
By upper, the application at least tool has the following advantages:
1, adopt mechanical component to realize adjuster, meet noise reduction and monitor the user's request that two functions have manual adjustments grade, and same mechanical component can be adopted to realize adjuster, with the earphone that simple structure practical function is powerful;
2, the implementation of the mechanical structure of adjuster can adopt the mode of knob, the mode of push button, two independently the mode of button or other can realize arbitrarily the frame mode of this function, implementation is flexible;
3, the modes such as knob, push button or upper and lower button are adopted, user is made to regulate size or the monitoring condition amount of sound size of noise reduction voluntarily as required, avoid existing single decrease of noise functions of can only selecting to open or close, the bad occupation mode that monitor function is opened or closed, provides more humane Consumer's Experience and use sense to be subject to.
The foregoing is only preferred embodiment of the present utility model, be not intended to limit protection range of the present utility model.All do within spirit of the present utility model and principle any amendment, equivalent replacement, improvement etc., be all included in protection range of the present utility model.
Claims (7)
1. an earphone, it is characterized in that, described earphone arranged outside has at least one to gather the outer microphone of ambient sound, earphone outer covering is provided with the moveable adjuster of mechanical type, described adjuster has electrical port, described adjuster is connected to the noise reduction module of earphone by electrical port and/or monitors module
Described noise reduction module and/or monitor model calling to the main control chip of earphone, or, be integrated in main control chip;
The mobile status of main control chip monitoring adjuster, when adjuster is moved, knows amount of movement and the mobile type of adjuster;
Main control chip confirms current adjustment type according to mobile type, and confirms the regulated quantity of current environmental sound according to amount of movement;
Main control chip, according to the adjustment type of confirmation, starts noise reduction module and adopts the regulated quantity of confirmation to carry out noise reduction to the ambient sound that microphone collects, or startup monitoring module adopts the regulated quantity confirmed to carry out adjustment monitoring to the ambient sound that microphone collects.
2. earphone according to claim 1, is characterized in that, the mobile status of described adjuster comprises the first mobile type controlled corresponding to noise reduction, and corresponds to the second mobile type monitoring control,
When the movement that main control chip monitors adjuster generation belongs to the first mobile type, confirm that current adjustment type is that noise reduction controls, and confirm the noise reduction of current environmental sound according to amount of movement; And/or,
When the movement that main control chip monitors adjuster generation belongs to the second mobile type, confirm that current adjustment type controls for monitoring, and confirm the amplification quantity of current environmental sound according to amount of movement.
3. earphone according to claim 2, is characterized in that,
When described adjuster is realized by knob, the rotational trajectory of adjuster is provided with rotational interface point, when main control chip monitors knob to the predetermined sideway swivel of rotational interface point, know that the mobile type of knob is the first mobile type, main control chip monitor opposite side from knob to rotational interface point rotate time, know that the mobile type of knob is the second mobile type, and obtain described amount of movement by the rotation amount of knob.
4. earphone according to claim 2, is characterized in that,
When described adjuster is realized by push button, the promotion stroke of adjuster is provided with stroke separation, when main control chip monitors push button to the predetermined Slideslip of stroke separation, know that the mobile type of push button is the first mobile type, main control chip monitor opposite side from push button to stroke separation slide time, know that the mobile type of push button is the second mobile type, and obtain described amount of movement by the sliding distance of push button.
5. earphone according to claim 2, is characterized in that,
When described adjuster is realized by two buttons, main control chip monitors the first button when being pressed, main control chip knows that the mobile type of button is the first mobile type, main control chip monitors the second button when being pressed, main control chip knows that the mobile type of button is the second mobile type, and obtains described amount of movement by the number of times of pressing of button.
6. earphone according to claim 1, is characterized in that,
Described adjuster is arranged on the housing at receiver position of headphone;
Described adjuster is arranged on the housing of the line control machine of In-Ear Headphones.
7. earphone according to claim 3, is characterized in that, the receiver position of described adjuster and headphone is coaxially assembled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852174.6U CN204291324U (en) | 2014-12-29 | 2014-12-29 | A kind of earphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420852174.6U CN204291324U (en) | 2014-12-29 | 2014-12-29 | A kind of earphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204291324U true CN204291324U (en) | 2015-04-22 |
Family
ID=52874448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420852174.6U Active CN204291324U (en) | 2014-12-29 | 2014-12-29 | A kind of earphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204291324U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554610A (en) * | 2014-12-29 | 2016-05-04 | 北京小鸟听听科技有限公司 | Method for regulating environmental sound of earphone and earphone |
| EP3188501A3 (en) * | 2015-12-29 | 2017-09-20 | Beijing Xiaoniao Tingting Technology Co., LTD | Method for adjusting ambient sound for earphone, earphone and terminal |
| CN108156551A (en) * | 2018-02-09 | 2018-06-12 | 会听声学科技（北京）有限公司 | Active noise reduction system, active noise reduction earphone and active denoising method |
| CN110870819A (en) * | 2018-09-03 | 2020-03-10 | 中国石油化工股份有限公司 | Ear protector based on active noise reduction technology and application thereof |
-
2014
- 2014-12-29 CN CN201420852174.6U patent/CN204291324U/en active Active
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105554610A (en) * | 2014-12-29 | 2016-05-04 | 北京小鸟听听科技有限公司 | Method for regulating environmental sound of earphone and earphone |
| CN105554610B (en) * | 2014-12-29 | 2019-01-04 | 北京小鸟听听科技有限公司 | The adjusting method and earphone of earphone ambient sound |
| EP3188501A3 (en) * | 2015-12-29 | 2017-09-20 | Beijing Xiaoniao Tingting Technology Co., LTD | Method for adjusting ambient sound for earphone, earphone and terminal |
| US10051359B2 (en) | 2015-12-29 | 2018-08-14 | Beijing Xiaoniao Tingting Technology Co., LTD. | Method of adjusting ambient sound for earphone, earphone and terminal |
| EP3799441A1 (en) * | 2015-12-29 | 2021-03-31 | Beijing Xiaoniao Tingting Technology Co., LTD | Method for adjusting ambient sound for earphone, and earphone |
| CN108156551A (en) * | 2018-02-09 | 2018-06-12 | 会听声学科技（北京）有限公司 | Active noise reduction system, active noise reduction earphone and active denoising method |
| CN110870819A (en) * | 2018-09-03 | 2020-03-10 | 中国石油化工股份有限公司 | Ear protector based on active noise reduction technology and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104618829A (en) | Adjusting method of earphone environmental sound and earphone | |
| US10560774B2 (en) | Headset mode selection | |
| CN204291324U (en) | A kind of earphone | |
| TWI508060B (en) | Pre-shaping series filter for active noise cancellation adaptive filter | |
| CN208908482U (en) | The earphone of adjustable noise reduction | |
| CN110447073A (en) | Audio Signal Processing for noise reduction | |
| CN101924828A (en) | Mobile terminal, method and device for adjusting volume thereof | |
| CN106303839B (en) | ANC method for noise reduction control based on cell phone application | |
| EP2901712B1 (en) | Binaural hearing system and method | |
| CN106714017B (en) | A kind of method, apparatus, terminal and earphone adjusting earphone sound field | |
| CN202602769U (en) | Conversation type electronic product with echo inhibition function | |
| US20220217475A1 (en) | Hearing aid with wireless transmission function | |
| CN209642968U (en) | Bone conduction conductance double type hearing aid | |
| CN104092801A (en) | Intelligent terminal call noise reduction method and intelligent terminal | |
| CN207744142U (en) | A kind of multi-functional bone conduction hearing aid system | |
| CN207939734U (en) | A kind of Bluetooth chip, bluetooth headset and radio hearing aid system with hearing-aid function | |
| CN206728251U (en) | Osteoacusis earmuff earphone | |
| CN106899909A (en) | Osteoacusis earmuff earphone | |
| CN103248845A (en) | Voice-self adaptive television | |
| CN208597147U (en) | A kind of bluetooth headset | |
| CN202513885U (en) | Device of controlling hand-held terminal volume output automatically | |
| WO2022226761A1 (en) | Method and system for configuring bone conduction hearing aid device | |
| CN202309811U (en) | Mobile terminal | |
| CN103152686A (en) | Digital hearing-aid with customizable functioning mode and implementation method thereof | |
| CN201887833U (en) | Device for automatically adjusting volume of mobile phone |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |