CN201191919Y - Wireless frequency modulating digital customized ear canal type hearing aid - Google Patents
Wireless frequency modulating digital customized ear canal type hearing aid Download PDFInfo
- Publication number
- CN201191919Y CN201191919Y CNU2008200850082U CN200820085008U CN201191919Y CN 201191919 Y CN201191919 Y CN 201191919Y CN U2008200850082 U CNU2008200850082 U CN U2008200850082U CN 200820085008 U CN200820085008 U CN 200820085008U CN 201191919 Y CN201191919 Y CN 201191919Y
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- China
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- wireless frequency
- frequency modulation
- hearing aid
- panel
- chip
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Abstract
The utility model discloses a wireless frequency modulation digital customization ear canal hearing aid with a wireless frequency modulation receiving function. The wireless frequency modulation digital customization ear canal hearing aid comprises a panel and a cavity body, wherein the panel is arranged on one end of the cavity body, a watch receiver, a hearing aid chip, a programming interface, a microphone and a battery are arranged in the cavity body, the other end of the cavity body is equipped with a sound outlet hole, and a microphone port, a button, a volume switch and a battery bin gate are arranged on the panel. The wireless frequency modulation digital customization ear canal hearing aid is characterized in that a wireless frequency modulation receiving chip is arranged in the cavity body, the wireless frequency modulation receiving chip is connected with the hearing aid chip, a metal guy is arranged on the panel, and the metal guy is connected with an input end of the wireless frequency modulation receiving chip. The wireless frequency modulation digital customization ear canal hearing aid has small volume, convenient use and operation, and excellent receiving signals.
Description
Technical field
The utility model relates to a kind of duct-type hearing aids, relates in particular to a kind of wireless frequency modulation numeral customization duct-type hearing aids with wireless frequency modulation receiving function.The utility model mainly is suitable for the crowd: in a, the hearing loss, the patient of severe; B, the patient that hearing aids outward appearance disguise is had high requirements; C, listen the barrier patient in session in or panel discussion, see TV or hearing aid effect gastrointestinal disease patient when listening to the music; D, listen the barrier patient in teaching environment or to the effect of listening to of high technology equipment, higher demander to be arranged;
Background technology
For listening the barrier patient, can reach good speech intelligibilty, main is signal to noise ratio, and usually said signal to noise ratio (dB)=speech signal strength signal intensity-noise intensity, be both differences, because frequency that the phonosensitive nerve hearing loss is brought and the resolution of time descend,, listen a barrier patient under noisy environment, to listen to still very difficulty even to after the sound amplification.The normal person still can roughly understand the other side's speech during for-5dB in signal to noise ratio, and hearing loss person then need be at signal to noise ratio+3dB even when higher, and (the partial loss of hearing severe patient needs+15～20dB) speeches that could roughly understand the other side.Therefore, how to eliminate background noise in the environment, reverberation and apart from these influencing factors, improve signal to noise ratio is the direction of hearing aids research always.
Generally speaking, an interval is arranged between speaker and the Hearing Impaired, sound can be decayed along with distance, and wireless frequency modulation (FM) system transmits useful signal by the wireless frequency modulation signal, in the transport process of the obedient person from speaker to the hearing loss, the intensity and the quality of sound remain unchanged.
The wireless frequency modulation hearing aids mainly contains three kinds at present: 1, receiver is connected on above the ear-level hearing aid by the sound boots; 2, the customized type hearing aids that has inductive function uses external neck hanging type wireless frequency modulation receiver; 3, the wireless frequency modulation receiver is built in ear-level hearing aid inside, wireless frequency modulation hearing aid all-in-one.
The defective of prior art is: 1, the receiver of existing wireless frequency modulation (FM) system substantially all is external, is connected on the ear-level hearing aid by the sound boots, perhaps hangs on the neck, and volume is bigger, operates dumbly, and parts are more, damage easily.2, the receiver of existing wireless frequency modulation (FM) system is that built-in hearing aids has only hard of hearing machine, inapplicable those to demanding youth of hearing aids good looking appearance degree or middle aged user.3, existing wireless frequency modulation (FM) is though system can be used in the customized type hearing aids, but not only need hearing aids inside to have inductance coil, and also need bulky wireless frequency modulation receiving system in the hearing aids outside, not only increased volume but also increased Financial cost.
Summary of the invention
Technical problem to be solved in the utility model is to overcome deficiency of the prior art and a kind of volume is little, use is easy to operate, signal receives wireless frequency modulation numeral customization duct-type hearing aids is provided.
The technical scheme in the invention for solving the above technical problem is: this wireless frequency modulation numeral customization duct-type hearing aids, comprise panel and cavity, panel is arranged on cavity one end, be provided with receiver in the cavity, the hearing aids chip, DLL (dynamic link library), microphone and battery, the cavity other end is provided with phonate hole, panel is provided with microphone opening, button, volume switch and battery door, its characteristics are: be provided with the wireless frequency modulation receiving chip in the described cavity, this wireless frequency modulation receiving chip links to each other with the hearing aids chip, panel is provided with the metal backguy, links to each other with wireless frequency modulation receiving chip input.
The utility model compared with prior art has the following advantages: 1, be provided with the wireless frequency modulation receiving chip in inside cavity, the wireless frequency modulation receiver has been incorporated into customized type hearing aids inside, has broken through customized type wireless frequency modulation receiver and can only be in outside technical characterstic.2, reduced extra annex, simple to operation, only need hearing aids is switched to wireless frequency modulation FM shelves, can use the wireless frequency modulation system.3, the duct-type hearing aids can not directly use the key of FM to be that duct-type hearing aids volume is little first at present; Second be that the wireless frequency modulation receiving chip is in duct inside, the received signal difficulty.The utility model is being used for the backguy convenient to remove of duct-type hearing aids at present, but changes the metal wire of received signal into by nylon wire, both played the effect of backguy, plays the effect of antenna again.
Description of drawings
Fig. 1 is the utility model cavity body structure schematic diagram.
Fig. 2 is the utility model panel construction schematic diagram.
Fig. 3 is the utility model operation principle block diagram.
Embodiment
Referring to Fig. 1, Fig. 2, the utility model comprises panel A and cavity B, panel A is arranged on cavity B one end, be provided with receiver 4, hearing aids chip 5, DLL (dynamic link library) 2, wireless frequency modulation receiving chip 6, microphone 7 and battery 8 in the cavity B, the cavity B other end is provided with phonate hole 1, and panel A is provided with microphone opening 12, button 3, volume switch 10, battery door 11 and metal backguy.Phonate hole 1 is connected with receiver 4, and receiver 4 is connected with chip 5, and hearing aids chip 5 is connected with wireless frequency modulation receiving chip 6.Hearing aids chip 5 is connected with DLL (dynamic link library) 2.Is provided with microphone 7, battery 8 near panel A place in the cavity B, microphone 7 is corresponding with microphone opening 9 on the panel A, and button 3 is connected with hearing aids chip 5.Panel A is provided with metal backguy 9, links to each other with the wireless frequency modulation receiving chip.
Participate in Fig. 3, acoustical signal is sent through radio frequency modulatng transmitter, is received by antenna (backguy), imports in user's ear through the processing of wireless frequency modulation receiving chip and hearing aids chip again.
Claims (1)
1, wireless frequency modulation numeral customization duct-type hearing aids, comprise panel and cavity, panel is arranged on cavity one end, be provided with receiver, hearing aids chip, DLL (dynamic link library), microphone and battery in the cavity, the cavity other end is provided with phonate hole, and panel is provided with microphone opening, button, volume switch and battery door, it is characterized in that: be provided with the wireless frequency modulation receiving chip in the described cavity, this wireless frequency modulation receiving chip is connected with the hearing aids chip, and panel is provided with the metal backguy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200850082U CN201191919Y (en) | 2008-04-11 | 2008-04-11 | Wireless frequency modulating digital customized ear canal type hearing aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200850082U CN201191919Y (en) | 2008-04-11 | 2008-04-11 | Wireless frequency modulating digital customized ear canal type hearing aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201191919Y true CN201191919Y (en) | 2009-02-04 |
Family
ID=40336078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200850082U Expired - Fee Related CN201191919Y (en) | 2008-04-11 | 2008-04-11 | Wireless frequency modulating digital customized ear canal type hearing aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201191919Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11503417B2 (en) | 2018-06-26 | 2022-11-15 | Dolby Laboratories Licensing Corporation | In-ear radio frequency antenna |
-
2008
- 2008-04-11 CN CNU2008200850082U patent/CN201191919Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11503417B2 (en) | 2018-06-26 | 2022-11-15 | Dolby Laboratories Licensing Corporation | In-ear radio frequency antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090204 Termination date: 20160411 |