CN2717418Y - Transformer type skin audiophone - Google Patents
Transformer type skin audiophone Download PDFInfo
- Publication number
- CN2717418Y CN2717418Y CN 200420042090 CN200420042090U CN2717418Y CN 2717418 Y CN2717418 Y CN 2717418Y CN 200420042090 CN200420042090 CN 200420042090 CN 200420042090 U CN200420042090 U CN 200420042090U CN 2717418 Y CN2717418 Y CN 2717418Y
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- CN
- China
- Prior art keywords
- audio frequency
- frequency amplifier
- deaf person
- transformer type
- hearing aid
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- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to the technique of the human biology, the electron and the acoustics, in particular to a transformer type skin hearing aid. The instrument chiefly solves the hearing obstacle for the stone deaf person. The transformer type skin hearing aid comprises a microphone and an audio frequency amplifier connected with the signal output terminal of the microphone, and also comprises a power supply connected with the audio frequency amplifier. The output terminal of the audio frequency amplifier is connected with the input terminal of a planar electrode via a press-lifting device. The stone deaf person can obtain the audition of the voice and the sound that the deaf person always encounters so long as the tone deaf person wears the hearing aid. The transformer type skin hearing aid has low power consumption, small volume and convenient carrying without needing any operation when wearing, and is suitable to use for long term usage for the deaf person.
Description
Technical field
This utility model relates to a kind of acoustic detecting apparatus, particularly a kind of transformed skin acoustic detecting apparatus.
Background technology
Nearly 100,000,000 hearing loss people are arranged in the world, and China just there are 2,000 ten thousand hearing loss people, how to solve these people's the problem of hearing, is a great problem in the world.What generally use at present is sonifer, but sonifer can't fundamentally solve this difficult problem.Because sonifer is to utilize mike that acoustical signal is changed into current signal and amplify, and then by speaker the acoustical signal after amplifying is sent to people's ear, promptly sonifer only plays the effect that sound amplifies.Sonifer has following shortcoming: use speaker and mike simultaneously in (1) sonifer, if amplification is excessive, can produces mutual inductance between these two, so that can't use; (2) sonifer still will utilize people's residual hearing, so sonifer is inoperative for the more serious people of forfeiture audition.According to the result of medical science and biological study, people's ear is felt to finish by following step for sound generating: (1) external ear, middle ear receive acoustical signal and amplify; (2) internal ear changes into electric potential signal with acoustical signal; (3) send brain to by auditory nerve again; More than in three steps any can not finishing once the step cause deafness.In fact, acoustical signal is transformed into current signal and amplification, this is the human great utility model that has just realized decades ago.Just how with this current signal can be more complete the brain of passing to then be the unsolved always problems of people, therefore also can't solve deaf person's audition problem at all.
Summary of the invention
It is a kind of according to biological audition principle that the purpose of this utility model is to provide, and utilizes the organon auditus of electronics and acoustic technique imitation human body, for the transformed skin acoustic detecting apparatus of deaf mute's use.
For achieving the above object, the technical solution adopted in the utility model is: comprise mike and the audio frequency amplifier that is connected with the signal output part of mike, also comprise the power supply that is connected with audio frequency amplifier, be characterized in, the outfan of audio frequency amplifier is connected with the input of increasing apparatus, and the outfan of increasing apparatus is connected with the input of plane electrode again; Can also be in series with volume adjuster between audio frequency amplifier and the power supply.
Because this utility model utilizes mike that outside acoustical signal is changed into current signal, the equipment that boosts boosts common current signal, then by the plane electrode chafe, the oscillator signal of electric current is passed to brain by skin, do not rely on any residual hearing of human body, fundamentally solved deaf mute's audition problem.
Description of drawings
Accompanying drawing is an overall structure sketch map of the present utility model.
The specific embodiment
Below in conjunction with accompanying drawing structural principle of the present utility model and operation principle are described in further detail.
Referring to accompanying drawing, this utility model comprises mike 1 and the audio frequency amplifier 2 that is connected with the signal output part of mike 1, audio frequency amplifier 2 also is connected with power supply 3 by volume adjuster 6, and the outfan of audio frequency amplifier 2 is connected by the input of increasing apparatus 4 with plane electrode 5.
Wherein mike 1 is used for the external voice signal is converted into current pulse signal, audio frequency amplifier 2 is used for audio signal is amplified, power supply 3 is used to audio frequency amplifier 2 that power supply is provided, and common planar electrode 5 is used for the oscillator signal of electric current is passed to brain by skin.And acoustical signal increasing apparatus 4 uses wherein is the low frequency transformator.Mike 1 obtains the external sound signal, and acoustical signal is converted into current signal is input to audio frequency amplifier 2, the acoustic current-meter signal that audio frequency amplifier 2 is sent mike 1 here amplifies, at this moment the voltage of the power supply that provides 3 generally is provided alternating voltage, usually below 0.2V, increasing apparatus 4 is converted into the acoustic current-meter signal of alternating voltage with the acoustic current-meter signal of audio frequency amplifier 2 outputs, and boosts to more than the 5V, to overcome the resistance of skin.Power supply 3 provides power supply for audio frequency amplifier 2 or increasing apparatus 4, minimumly just can move at 1.2V, the acoustic current-meter signal stimulus skin that plane electrode 5 utilizes increasing apparatus 4 to provide, volume adjuster 6 is the rheostats between power supply 3 and the audio frequency amplifier 2, is used for controlling the output of power supply 3.But volume adjuster 6 is optional.Also can use different size resistance to substitute during concrete the making, to adapt to different user.
It is to finish by the auditory system of human body that this utility model does not have a step, that is to say that it does not rely on any residual hearing of human body, so it has fundamentally solved deaf mute's audition problem.Use the method for transformed skin acoustic detecting apparatus to be, under this instrument is being powered competent condition,, just can obtain audition for general sound, particularly voice as long as electrode paste near the skin the ear, need not any operation.This instrument is low in energy consumption, generally is no more than 0.5W and just can uses.Mike 1 in this instrument can be filled in earhole, can be placed on Audio Processing part and power supply in the pocket so that carry.
Points for attention during use: (1) needs the stage of one section adaptation, because they never felt sound, sound is a kind of new signals for them for the serious people of hearing disability; (2) life-time service may cause electrode contact position skin discomfort, is preferably in and stops using in bed evening, so that allow the skin of electrode contact position be restored; (3) will be adjusted to suitable volume, volume is too little can not to cause audition, and volume is too big if run into loudly then electrode meeting twinge skin; (4) behind the life-time service, because the adjusting naturally of nerve system of human body, auditory effect will be become better and better; (5) if taking energy discrimination people's voice then needed after 1 year, need considerable time because will form the language trained reflex.According to Pavlov's theory, the people is to form setting up in the process of language trained reflex for the understanding of language.So the deaf mute uses transformed skin acoustic detecting apparatus to need the training of a period of time later on.But this training does not need special environment, but participates in people's normal activity, makes own to being reflected by the obtained voice signal formation condition of transformed skin acoustic detecting apparatus.Reflecting the needed time for the voice signal formation condition can vary with each individual, in general age people little and that have a high IQ adapt to faster.
When wearing transformed skin acoustic detecting apparatus its mike 1 being placed in the earhole is proper position, and the contact position that is used for the plane electrode 5 of chafe generally is near the skin of the smoother ear, is proper position below the ear-lobe.The power that transformed skin acoustic detecting apparatus consumed is bigger than sonifer, can be packaged together power supply 3 and audio frequency amplifier 2 and increasing apparatus 4 to connect with long lead with other device, so that power supply etc. is contained in the pocket of clothes.Under the condition that processing technology allows, can also be produced on increasing apparatus 4 with electrode 5.
The deaf mute can respectively be with a transformed skin acoustic detecting apparatus on two ears.
With respect to sonifer, the utlity model has following advantage: (1) receives any residual hearing that sound does not rely on human body, is applicable to that the very serious people of hearing loss uses; (2) remolding sensitivity is higher, with the range of audibility basically identical of people's ear, so can obtain audition for voice and the sound that often runs into; Can not go out the such noise of phenomenon sonifer when (3) increasing volume; (4) mike can be filled in earhole, can not resemble that mutual inductance causes and can't use because mike is from speaker is too near the sonifer;
With respect to cochlear implant, the utlity model has following advantage: (1) receives any residual hearing that sound does not rely on human body, and the auditory nerve blemisher still can use; (2) remolding sensitivity is higher, with the range of audibility basically identical of people's ear; (3) without any need for operation, side effect does not almost have.
Claims (2)
1, a kind of transformed skin acoustic detecting apparatus, comprise mike [1] and the audio frequency amplifier [2] that is connected with the signal output part of mike [I], also comprise the power supply [3] that is connected with audio frequency amplifier [2], it is characterized in that: the outfan of audio frequency amplifier [2] is connected with the input of increasing apparatus [4], and the outfan of increasing apparatus [4] is connected with the input of plane electrode [5] again.
2, transformed skin acoustic detecting apparatus according to claim 1 is characterized in that: can also be in series with volume adjuster [6] between said audio frequency amplifier [2] and the power supply [3].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420042090 CN2717418Y (en) | 2004-06-24 | 2004-06-24 | Transformer type skin audiophone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420042090 CN2717418Y (en) | 2004-06-24 | 2004-06-24 | Transformer type skin audiophone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2717418Y true CN2717418Y (en) | 2005-08-17 |
Family
ID=34893167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420042090 Expired - Fee Related CN2717418Y (en) | 2004-06-24 | 2004-06-24 | Transformer type skin audiophone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2717418Y (en) |
-
2004
- 2004-06-24 CN CN 200420042090 patent/CN2717418Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |