CN202721821U - Hearing aid - Google Patents
Hearing aid Download PDFInfo
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- CN202721821U CN202721821U CN 201220098088 CN201220098088U CN202721821U CN 202721821 U CN202721821 U CN 202721821U CN 201220098088 CN201220098088 CN 201220098088 CN 201220098088 U CN201220098088 U CN 201220098088U CN 202721821 U CN202721821 U CN 202721821U
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Abstract
The utility model belongs to a hearing aid and especially relates to a low-noise and anti-squeaking digital display hearing aid used for helping hearing impaired people to recover normal hearing, which comprises a sound signal receiving unit, a signal control processing unit, a signal output unit and a power supply. The hearing aid comprises a display output unit and a setting unit. The display output unit and the setting unit are connected with the signal control processing unit. The display output unit is a digital display output unit. The setting unit comprises a switch, a de-noising module and a digital volume adjusting module. According to the technical scheme of the utility model, due to the adoption of the hearing aid, background noises can be effectively removed, while the positive-feedback squeaking phenomenon generated by various hearing aids sold on the market and greatly harmful to the hearing of users is effectively suppressed. Meanwhile, the volume is displayed in the form of larger figures and is adjusted digitally and accurately. The hearing aid is powered by a rechargeable lithium battery and a moving coil earphone is adopted instead of moving-iron type earphones adopted by various hearing aids sold on the market.
Description
Technical field
Of the present utility modelly belong to a kind of hearing aid equipment, be used for hearing impaired crowd and recover normal good hearing.
Background technology
The ubiquitous user of allowing of all kinds of hearing aidss that the function of the new science and technology electronic product that employing is modern is finished is tired, and the background noise that is unequal to being tired of is removed.The positive feedback of the heavy damage hearing aids user hearing that all kinds of hearing aidss on the market are produced is uttered long and high-pitched sounds and is carried out establishment.Adopt simultaneously larger numeral to show volume, high accuracy number is regulated volume, lithium battery power supply and charging, the technology such as moving-iron type earphone that moving coil earphone replaces all kinds of hearing aidss in market to adopt.
In the prior art, mainly be that the boxlike hearing aids is arranged, ear-level hearing aid and duct-type hearing aids three major types.
Wherein, boxlike hearing aids: high-decibel is arranged continuously very (more than 55 decibels when using hearing aids, near the max volume of speaking of ordinary people at Liang Michu) the background sound that " rustles ", especially under quiet environment, bring very large misery to the user.In the microphone holder, box body can only be placed on the clothes outside, causes mental handicape to the user.Any clothes friction, hand bumps box body and all causes very large noise.Volume adjusting is knob type mechanical formula potentiometer, is difficult to be adjusted in suitable volume.Noise is larger during regulator potentiometer.All boxlike machines all adopt the moving-iron type earphone, cause ear-piercing high frequency tone color, make the other side speaker's paraphonia, and the hearing aids user has complaint more.Sometimes also can utter long and high-pitched sounds grievous injury hearing aids user's hearing because of the positive feedback of hearing aids user improper use generation high-decibel.
Ear-level hearing aid: have successively than high-decibel (more than 55 decibels when normally using hearing aids, near the max volume of speaking of ordinary people at Liang Michu) the background noise that " rustles ", especially under quiet environment, this " rustling " noise brings very large misery to the user.Ear-level hearing aid uses the mini type mechanical turn knob potentiometer to regulate volume, and the user is difficult to be adjusted to the volume that is fit to oneself.Because structure, the distance of microphone and earphone horn is very near, when wearing earphone must with user's external auditory meatus jam-pack, otherwise the positive feedback that easily produces high-decibel utters long and high-pitched sounds, and further damages user's hearing.The ear-level hearing aid battery altering is frequent, has increased user's consumption.Earphone all adopts the moving-iron type loudspeaker, causes ear-piercing high frequency tone color, and the user has complaint more.Outward appearance is also easily seen by others and the person that is the ear disorder is caused hearing aids user mental handicape.
The duct-type hearing aids: customized specially because coming according to everyone duct, price is extremely expensive.Each modular construction of this hearing aids is small, and maintenance difficulties is higher, is not suitable for higher crowd of age.In case damage, the repair cycle is long, the cost of repairs is very high.Miniature volume tuner is extremely inconvenient in use.The user must lay it and external auditory meatus to such an extent that fit together perfectly when wearing the duct-type hearing aids, and the acoustical leakage that earphone can not be sent out has the very strong sense of feeling oppressed in wearer's the ear during use, very uncomfortable.Gas leakage is slightly arranged, and the positive feedback that will produce high-decibel is uttered long and high-pitched sounds, infringement user's hearing.The earphone of duct-type hearing aids equally also adopts miniature moving-iron type loudspeaker, causes the tone color of distortion.Battery altering is frequent, has increased user's consumption.
The utility model content
The utility model is to innovate for the problem that all kinds of hearing aidss in the prior art exist according to the inventor.Researched and developed a kind of hearing aids, the technical problem that has solved that the background noise that various hearing aidss exist in the prior art is excessive, self-excitation utters long and high-pitched sounds and can't numeral have shown.
The technical solution of the utility model is:
A kind of hearing aids, described hearing aids comprises the voice signal receiving element, signal controlling processing unit, signal output unit and power supply;
Described hearing aids comprises demonstration output unit and setting unit; Described demonstration output unit is connected with described signal controlling processing unit with setting unit; Described demonstration output unit is that numeral shows output unit, and described setting unit comprises switch, denoising, digital volume adjusting input module;
Described signal controlling processing unit comprises sound signal amplifier, digital volume controller, main control module; Described main control module comprises memory, comparison and computing unit; Described amplifier comprises audio frequency automatic gain amplifier and audio-frequency power amplifier;
Described setting unit inputs to described main control module with the control command that arranges, and after described voice signal receiving element is inputted voice signal, after described audio frequency automatic gain amplifier amplification, inputs to main control module; Described main control module sends command signal according to the control command of input and controls described digital volume controller, exports to signal output unit behind the signal described digital volume controller of process after the processing and the audio-frequency power amplifier.Described power acquisition lithium battery power supply; Described hearing aids also comprises charhing unit, and described charhing unit is USB charger mode.
The utility model is for the self-excitation that solves the hearing aid equipment and the produce noise problem of uttering long and high-pitched sounds, and described hearing aids also comprises a signal processing unit of uttering long and high-pitched sounds that is connected with described main control module, and the described signal processing unit of uttering long and high-pitched sounds comprises the sampling comparison circuit; The signal processing unit of uttering long and high-pitched sounds carries out sampling rate to the voice signal by main control module input, and sends the result and be back to described main control module, by the instruction of main control module regulation output.
The frequency initiation threshold that arranges in the sampling comparison circuit of the described signal processing unit of uttering long and high-pitched sounds is 1500Hz, be higher than 1500Hz then main control module output eliminate the control command of the signal of uttering long and high-pitched sounds.
In concrete application, described main control module is microprocessor or DSP (digital signal processor), the instruction that arranges according to described setting unit input, voice signal after the sampling is stored, compare and the rear logarithm word tone amount controller of calculating or audio-frequency power amplifier control, thereby carry out the sound denoising, or change the output of uttering long and high-pitched sounds.
In order to realize the output effect of real tone color, tone and tonequality, described signal output unit is moving coil earphone, adopts the high molecule plastic vibrating membrane in the described moving coil earphone.
It is elliptic cross-section that the vocal hole of described signal output unit arranges the cross section, and namely described moving coil earphone adopts oval earphone vocal hole, and is the silica gel earplugs earphone.
In concrete application, described voice signal receiving element is microphone; And described microphone is arranged on the connection electric wire of described moving coil earphone.The distance range that arranges each other of described microphone and moving coil earphone is 3-20 centimetre.
In order to realize above-mentioned effect, described hearing aids also comprises a shell, and shell is provided with the digital display area, setting area, switch/denoising button, earphone jack and USB charging port; Described digital display area comprises that the volume numeral shows and electric weight/charging shows.
After the utility model had adopted said structure, the present invention adopted microprocessor to control, and the background noise that hearing aids the is sent sound that " rustles " is removed; Adopt simultaneously the microprocessor-controlIed positive feedback tracking technique of uttering long and high-pitched sounds, strong howling is transformed to musical sound or interrupted " serge serge " sound, simultaneously volume is reduced.After the disappearance of uttering long and high-pitched sounds, automatically recover the function of the amplification of volume of hearing aids, and return to the volume that the user arranges.The utility model adopts the structural design that conforms to the human external ear road, and earphone phonate hole on the market is become elliptical aperture by circular hole, is beneficial to like this silica gel ear muff and is deep into external auditory meatus inside.Purpose is to reduce earphone pronunciation power, reduces noise, increases security and the comfortableness worn.The numeral that the utility model will use all kinds of hearing aidss in the market not have shows the function of volume.And use button or touch-screen, come precision tuning hearing aids volume by microprocessor.The utility model adopts the cheap beautiful moving-coil type loudspeaker of thing as hearing aids acoustical generator (being earphone horn), abandons the moving-iron type hearing aids generator (being earphone horn) that present hearing aids generally uses.Because of the moving-coil type loudspeaker as the hearing aids acoustical generator, good many of the moving-iron type acoustical generator of all selling than present market from tone color, tone, frequency response characteristics and tonequality.And the mode of the lithium battery power supply that various hearing aids did not have on the employing market and charger charging alleviates hearing aids user's daily battery consumption, and greening environment reduces and pollutes.
Description of drawings
Fig. 1 is the utility model module map;
Fig. 2 a is prior art earphone vocal hole structure chart;
Fig. 2 b is the utility model earphone vocal hole structure chart;
Fig. 3 a and Fig. 3 b are the structure chart of moving-iron type earphone in the prior art;
Fig. 3 c is the utility model moving coil earphone structure chart;
Fig. 4 is the utility model shell global facility structure chart;
Fig. 5 is the utility model earphone and microphone connecting structure figure.
Above-mentioned each accompanying drawing is illustrated in connection with embodiment.
1 high- sensitivity microphone , 2 automatic gain amplifier , 3 main control module - microprocessor ( for noise handling , volume control , digital display and howling control ) , 4 shows the output unit ( volume , power, charging LCD show ) , 5 . whistle signal processing unit ( including automatic whistle tracking circuit ) , 6 digital volume control , 7 . amplifier , 8 . moving coil headphones , 9 . round sound hole flat headphone schematic , 10. round sound hole stereo headphone schematic , 11 . oval sound hole flat headphone schematic , 12 . oval sound hole stereo headphone schematic ; 13 . micro moving iron headphones vibration film , 14 . connecting metal , 15 . permanent magnet , 16. activities iron tablets , 17 U-shaped soft iron magnet and the fixed end , 18.U type soft iron , 19 . energized conductors , 20. coil , 21 . thin steel diaphragm , 22 soft iron cylinder , 23. fixed coil , 24. permanent magnet , 25. soft iron base , 26. vibration stent , 27. polymer plastic diaphragm , 28. coil bracket , 29. voice coil , 30 soft hoop , 31 . permanent magnets , 32. soft iron base , 33 digital volume display , 34 . hearing aid shell , 35 digital power display , 36. headphone jack , 37. reduce the volume adjustment button , 38. adjust the volume up button , 39 power switch and the background noise settings button , 40. charger jack , 41. moving coil headphones , 42 high sensitivity microphone
Embodiment
The utility model is based on the technical problem that exists in the prior art, and the inventor utilizes new design method to solve this problem.
(1) automatically eliminate background " rustle " sound noise method
Among Fig. 1, external sound is delivered to 2 li amplifications of auto-gain circuit by high sensitivity microphone 1 with sound.Auto-gain circuit 2 is used for preventing audio distortions.Can not cause audio distortions when namely no matter extraneous sound is very high yet.When external sound hour, auto-gain circuit 2 amplifies sound so that gain improves.Improved the distance that receives external sound.Voice signal through 2 li amplifications of this auto-gain circuit is delivered in the microprocessor 3.After microprocessor 3 was received the voice signal that auto-gain circuit 2 sends here among Fig. 1, if do not carry out the background noise setting, sound amplified with normal sound.If necessary, can under any more quiet environment, press among Fig. 4 mains switch and background noise and button is set after 39 1 blinks, this moment, microprocessor 3 began background noise sampling, judged after the high sound amplitude of background noise with digital processing and stored in the memory of microprocessor 3.Take the digital magnitude of this storage as benchmark, any external sound amplitude is higher than this digital magnitude (or threshold value), and microprocessor 3 will send instruction, and logarithm word tone amount controller 6 carries out digital regulated, and volume is returned on the volume that the user arranges.In case external sound recovers rest state again, microprocessor 3 will be regulated digital volume controller 6 automatically, and volume down is extremely minimum.Like this control after, no longer hear in the earphone of hearing aids any background " rustle " sound noise.The occasion that if hearing aids user of the present invention reads newspaper, closes the eyes for rest in reading or other needs peace and quiet, this function will be brought as snug as a bug in a rug sensation to the earphone patient.Simultaneously, any indoor adjacent electric bell sound, telephone bell, doorbell sound or other sound can be reminded hearing aids user of the present invention.And now all kinds of hearing aidss on the market all do not have this function, so the hearing aids user has to be subject to all the time harassing and wrecking and the torment of " rustling " sound of high-decibel.
(2) automatically eliminate the method for uttering long and high-pitched sounds
Uttering long and high-pitched sounds is a common fault of all hearing aidss.The generation reason of uttering long and high-pitched sounds is that the sound that earphone sends passes to microphone, repeatedly amplifies through amplifier of microphone, and namely positive feedback produces the very sinusoidal wave sound of high-decibel after amplifying.The difference that this frequency of uttering long and high-pitched sounds is done wet degree or surrounding medium because of the skin of human body changes.Generally in 1600Hz to 5000Hz scope, change.And the high-decibel frequency of this variation is extremely strong to people's cochlear stimulation, the long-time or frequent meeting grievous injury hearing aids user's that utters long and high-pitched sounds hearing.
The method that elimination of the present utility model is uttered long and high-pitched sounds is: after the microprocessor 3 of Fig. 1 is received the sinusoidal wave voice signal with the feature of uttering long and high-pitched sounds that auto-gain circuit 2 sends here, giving this signal of uttering long and high-pitched sounds to carry out computing to the signal processing unit 5 of uttering long and high-pitched sounds that includes the tracking circuit of automatically uttering long and high-pitched sounds by microprocessor 3 distinguishes, when this frequency of uttering long and high-pitched sounds is higher than 1500Hz, microprocessor 3 begins to regulate digital volume controller 6 automatically, the volume that exports power amplifier 7 to is reduced, and controlled intermittently the output of volume by microprocessor 3.Perhaps by microprocessor 3, will output to power amplifier 7 through digital volume controller 6 ends by the signal that Music Clip sends, and then replace howling to remind hearing aids user's use state by musical sound.
(3) numeral shows volume
Hearing aids which kind of type no matter all adopts mechanical type to regulate the method for volume in the market.The volume adjusting difficult.The hearing aids user can't judge the size of volume, brings very big puzzlement to the user, also makes hearing aid fitting teacher and the doctor person's that can't distinguish the ear disorder hearing state.
The utility model adopts the large size numeral to show the method for volume.Directly perceived and accurate.Numeral of every adjusting changes, and also just represents the variation of a decibel volume.Doctor and hearing aid fitting teacher can be according to the hearing aids of the present invention person's that accurately judges the ear disorder hearing loss or improvement situations.Among Fig. 4, digital volume shows that 33 have embodied this function intuitively.
(4) method of the oval playback mouth of employing and the playback of silica gel earplugs earphone
The vocal hole of most of earphone adopts circle on the market, sees the signal 9 of circular earphone vocal hole plane and the three-dimensional signal 10 of circular earphone vocal hole among Fig. 2.Human external auditory meatus all is perpendicular oblong.The utility model adopts oval earphone vocal hole profile, sees the signal 11 of oval earphone vocal hole plane and the three-dimensional signal 12 of oval earphone vocal hole among Fig. 2.The vocal hole that such profile is conducive to hearing aid earphone can be deep into human external auditory meatus, and better sealing, so that the duct sense of hearing can reduce ectocine, also reduces the power of earphone playback, has also suppressed to a certain extent the generation of uttering long and high-pitched sounds simultaneously.
(5) adopt moving coil earphone, allow the ear disorder person again know from experience normal sound
A among Fig. 3 and b are the structure charts that is called the moving-iron type earphone, and among a, miniature moving-iron type earphone vibration membrane 13 is that hard of hearing formula or duct-type hearing aids use, and among the b, stalloy vibrating membrane 21 is all boxlikes and the earphone of part ear-level hearing aid use.Because this two all is moving-iron type, the sounding that is to say them is that the vibration by metallic membrane comes sounding, and sound seems it all is the metalloid high pitch, allows the people feel very ear-piercing unpleasant to hear.
Through inventor's contrast test, moving coil earphone result of use on hearing aids that the inventor adopts is well more a lot of than moving-iron type.And the sensitivity of high-frequency sound is also very satisfactory.C. high molecule plastic vibrating membrane 27 among Fig. 3 is structure charts of moving coil earphone, no matter from tone color, tone, frequency response characteristics and tonequality everyway than good many of moving-iron type earphone.
(6) employing microphone and earplug earphone separate the mechanical structure in distance more than 3 centimeters, avoid as far as possible the earphone acoustical leakage to feed back to microphone, and can adopt this structure directly to use the method for telephone talk.
Among Fig. 5, use moving coil earphone 41 to be connected to high sensitivity microphone 42, and make them separate a segment distance.This structure has had in essence and must distinguish with the structure of various conventional hearing aidss.
For the boxlike hearing aids, microphone is to be placed in the box body, any to box body collision friction or shake electric wire and all cause very large noise, for hard of hearing formula and duct-type hearing aids, it is too near that the vocal hole of microphone and earphone leans on, and as easy as rolling off a logly causes that positive feedback utters long and high-pitched sounds.In order to prevent uttering long and high-pitched sounds, have to reduce volume.
The utility model pulls open the distance of microphone and earphone vocal hole, is in the face outside during use, neither can owing to the clothes friction causes noise, also reduce as far as possible the possibility of uttering long and high-pitched sounds and occuring.Simultaneously, the hearing aids user can be attached to the receiver of phone on the 42. high sensitivity microphones shown in the figure five, directly with phone and other people conversation.This is the function that other all kinds of hearing aidss all do not have.
(7) the present invention adopts modes of obsolete lithium battery power supply and charger charging of other hearing aids on the hearing aids market, alleviates hearing aids user's daily battery consumption, and greening environment reduces and pollutes.
The utility model to achieve these goals, concrete structure adopts,
A kind of hearing aids, described hearing aids comprises the voice signal receiving element, signal controlling processing unit, signal output unit and power supply;
Described hearing aids comprises demonstration output unit and setting unit; Described demonstration output unit is connected with described signal controlling processing unit with setting unit; Described demonstration output unit is that numeral shows output unit, and described setting unit comprises switch, denoising, digital volume adjusting input module;
Described signal controlling processing unit comprises sound signal amplifier, digital volume controller, main control module; Described main control module comprises memory, comparison and computing unit; Described amplifier comprises audio frequency automatic gain amplifier and audio-frequency power amplifier;
Described setting unit inputs to described main control module with the control command that arranges, and after described voice signal receiving element is inputted voice signal, after described audio frequency automatic gain amplifier amplification, inputs to main control module; Described main control module sends command signal according to the control command of input and controls described digital volume controller, exports to signal output unit behind the signal described digital volume controller of process after the processing and the audio-frequency power amplifier.Described power acquisition lithium battery power supply; Described hearing aids also comprises charhing unit, and described charhing unit is USB charger mode.
The utility model is for the self-excitation that solves the hearing aid equipment and the produce noise problem of uttering long and high-pitched sounds, and described hearing aids also comprises a signal processing unit of uttering long and high-pitched sounds that is connected with described main control module, and the described signal processing unit of uttering long and high-pitched sounds comprises the sampling comparison circuit; The signal processing unit of uttering long and high-pitched sounds carries out sampling rate to the voice signal by main control module input, and sends the result and be back to described main control module, by the instruction of main control module regulation output.
The frequency initiation threshold that arranges in the sampling comparison circuit of the described signal processing unit of uttering long and high-pitched sounds is 1500Hz, be higher than 1500Hz then main control module output eliminate the control command of the signal of uttering long and high-pitched sounds.
In concrete application, described main control module is microprocessor or DSP (digital signal processor), the instruction that arranges according to described setting unit input, voice signal after the sampling is stored, compare and the rear logarithm word tone amount controller of calculating or audio-frequency power amplifier control, thereby carry out the sound denoising, or change the output of uttering long and high-pitched sounds.
In order to realize the output effect of real tone color, tone and tonequality, described signal output unit is moving coil earphone, adopts the high molecule plastic vibrating membrane in the described moving coil earphone.
It is elliptic cross-section that the vocal hole of described signal output unit arranges the cross section, and namely described moving coil earphone adopts oval earphone vocal hole, and is the silica gel earplugs earphone.
In concrete application, described voice signal receiving element is microphone; And described microphone is arranged on the connection electric wire of described moving coil earphone.The distance range that arranges each other of described microphone and moving coil earphone is 3-20 centimetre.
In order to realize above-mentioned effect, described hearing aids also comprises a shell, and shell is provided with the digital display area, setting area, switch/denoising button, earphone jack and USB charging port; Described digital display area comprises that the volume numeral shows and electric weight/charging shows.
After the utility model adopts said structure, through test of many times, have very outstanding technique effect, see the following form.
Claims (10)
1. hearing aids, described hearing aids comprises the voice signal receiving element, signal controlling processing unit, signal output unit and power supply; It is characterized in that,
Described hearing aids comprises demonstration output unit and setting unit; Described demonstration output unit is connected with described signal controlling processing unit with setting unit; Described demonstration output unit is that numeral shows output unit, and described setting unit comprises switch, denoising, digital volume adjusting input module;
Described signal controlling processing unit comprises sound signal amplifier, digital volume controller, main control module; Described main control module comprises memory, comparison and computing unit; Described amplifier comprises audio frequency automatic gain amplifier and audio-frequency power amplifier;
Described setting unit inputs to described main control module with the control command that arranges, and after described voice signal receiving element is inputted voice signal, after described audio frequency automatic gain amplifier amplification, inputs to main control module; Described main control module sends command signal according to the control command of input and controls described digital volume controller, exports to signal output unit behind the signal described digital volume controller of process after the processing and the audio-frequency power amplifier.
2. a kind of hearing aids according to claim 1 is characterized in that,
Described hearing aids also comprises a signal processing unit of uttering long and high-pitched sounds that is connected with described main control module, and the described signal processing unit of uttering long and high-pitched sounds comprises the sampling comparison circuit; The signal processing unit of uttering long and high-pitched sounds carries out sampling rate to the voice signal by main control module input, and sends the result and be back to described main control module, by the instruction of main control module regulation output.
3. a kind of hearing aids according to claim 1 and 2 is characterized in that,
The frequency initiation threshold that arranges in the sampling comparison circuit of the described signal processing unit of uttering long and high-pitched sounds is 1500Hz, be higher than 1500Hz then main control module output eliminate the control command of the signal of uttering long and high-pitched sounds.
4. a kind of hearing aids according to claim 1 and 2 is characterized in that,
Described main control module is microprocessor or DSP, according to the instruction that arranges of described setting unit input, the voice signal after the sampling is stored, compare and the rear logarithm word tone amount controller of calculating or audio-frequency power amplifier control, thereby carry out the sound denoising, or change the output of uttering long and high-pitched sounds.
5. a kind of hearing aids according to claim 1 is characterized in that,
Described signal output unit is moving coil earphone, adopts the high molecule plastic vibrating membrane in the described moving coil earphone.
6. a kind of hearing aids according to claim 4 is characterized in that,
It is elliptic cross-section that the vocal hole of described signal output unit arranges the cross section, and namely described moving coil earphone adopts oval earphone vocal hole, and is the silica gel earplugs earphone.
7. a kind of hearing aids according to claim 4 is characterized in that,
Described voice signal receiving element is microphone; And described microphone is arranged on the connection electric wire of described moving coil earphone.
8. a kind of hearing aids according to claim 7 is characterized in that,
The distance range that arranges each other of described microphone and moving coil earphone is 3-20 centimetre.
9. a kind of hearing aids according to claim 1 is characterized in that,
Described power acquisition lithium battery power supply; Described hearing aids also comprises charhing unit, and described charhing unit is USB charger mode.
10. a kind of hearing aids according to claim 1 is characterized in that,
Described hearing aids also comprises a shell, and shell is provided with the digital display area, setting area, switch/denoising button, earphone jack and USB charging port; Described digital display area comprises that the volume numeral shows and electric weight/charging shows.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220098088 CN202721821U (en) | 2012-03-15 | 2012-03-15 | Hearing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220098088 CN202721821U (en) | 2012-03-15 | 2012-03-15 | Hearing aid |
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| Publication Number | Publication Date |
|---|---|
| CN202721821U true CN202721821U (en) | 2013-02-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220098088 Expired - Lifetime CN202721821U (en) | 2012-03-15 | 2012-03-15 | Hearing aid |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103385234A (en) * | 2013-08-12 | 2013-11-13 | 苏州启智机电技术有限公司 | Electronic mosquito killing system |
| CN104768116A (en) * | 2015-04-08 | 2015-07-08 | 成都爱可信科技有限公司 | Intelligent wearable hearing-aid |
| CN106686490A (en) * | 2016-12-20 | 2017-05-17 | 安徽乐年健康养老产业有限公司 | Voice acquisition processing method |
| CN106714037A (en) * | 2016-12-20 | 2017-05-24 | 安徽乐年健康养老产业有限公司 | Sound acquisition apparatus suitable for senior citizen |
| CN108551649A (en) * | 2018-05-21 | 2018-09-18 | 北京康知声听力技术有限公司 | Hearing aid artificial cochlea's clinical evaluation system |
| CN109511072A (en) * | 2019-01-16 | 2019-03-22 | 长春大学 | A kind of bluetooth hearing assistance system |
-
2012
- 2012-03-15 CN CN 201220098088 patent/CN202721821U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103385234A (en) * | 2013-08-12 | 2013-11-13 | 苏州启智机电技术有限公司 | Electronic mosquito killing system |
| CN103385234B (en) * | 2013-08-12 | 2015-01-14 | 宁海县雁苍山电力建设有限公司 | Electronic mosquito killing system |
| CN104768116A (en) * | 2015-04-08 | 2015-07-08 | 成都爱可信科技有限公司 | Intelligent wearable hearing-aid |
| CN106686490A (en) * | 2016-12-20 | 2017-05-17 | 安徽乐年健康养老产业有限公司 | Voice acquisition processing method |
| CN106714037A (en) * | 2016-12-20 | 2017-05-24 | 安徽乐年健康养老产业有限公司 | Sound acquisition apparatus suitable for senior citizen |
| CN108551649A (en) * | 2018-05-21 | 2018-09-18 | 北京康知声听力技术有限公司 | Hearing aid artificial cochlea's clinical evaluation system |
| CN109511072A (en) * | 2019-01-16 | 2019-03-22 | 长春大学 | A kind of bluetooth hearing assistance system |
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