KR101171252B1 - System of transmitting and receiving a sound for hearing aid - Google Patents

Abstract

PURPOSE: A system of transmitting and receiving a sound for hearing aid is provided to improve user convenience by freely controlling sound volume amplification according to the hearing of a user and the volume of surrounding sound. CONSTITUTION: A radio receiver includes a microphone(501) receiving external noise, an amplifier(503), a band-pass filter(505), a mixer(507), a volume control part(509), a power amplifier(511), an output jack(515), and an auto gain control part(513). The radio receiver further includes a volume button which can control a sound volume of the volume control part. The radio receiver includes a control part(523) which controls the on/off of the overall power of the radio receiver by sensing an event of a power switch(521). The control part can display a charge state of a rechargeable battery(519) on an outer LED lamp through a power control part(529).

Description

Hearing aid transmission and reception system {SYSTEM OF TRANSMITTING AND RECEIVING A SOUND FOR HEARING AID}

The present invention relates to a hearing aid, and more specifically, the volume can be adjusted, and when the power of the hearing aid is automatically adjusted to a certain level, the TV signal can be heard without disturbing others while watching TV. A hearing aid transmission and reception system that can be.

Hearing aid refers to a device that reinforces the hearing is weak and difficult to hear, and in general, the hearing aid performs a function of collecting or amplifying sounds by using a small microphone, so that it can be heard well.

Since such a conventional hearing aid is manufactured and used according to a user's hearing, there is an inconvenience of having to adjust a new hearing aid when the hearing is changed. In addition, if the surrounding sound is large or small, the amplification degree can not be adjusted, so the small sound cannot be heard, and the loud sound has the disadvantage of damaging hearing.

On the other hand, when the senile mild hearing loss is watching a TV to make the TV sound louder to cause damage to others. Therefore, there is a demand for a hearing aid capable of listening to amplified TV sound with earphones without harming others.

The present invention is to solve the above problems, unlike the conventional custom hearing aids, it is possible to adjust the degree of amplification of the voice, and to turn on the power of the hearing aid can be automatically adjusted to a predetermined volume, and the main body of the hearing aid It is an object of the present invention to provide a hearing aid transmission and reception system that can be used in both ears using earphones in the opposite ear.

In addition, the present invention is to solve the above problems, by receiving a TV sound through the microphone of the wireless transmitter, and transmits it to the wireless receiver at the FM frequency can be easily watched by the elderly mild hearing loss without hurting others An object of the present invention is to provide a hearing aid transmission and reception system.

The hearing aid according to the present invention, that is, the voice amplifier, includes a microphone for receiving external sound; A speaker for amplifying and outputting the sound input through the microphone; And a volume controller for adjusting a volume of sound output through the speaker, wherein the volume of the volume controller is controlled by an external volume button.

In a preferred embodiment, the hearing aid comprises: a power button for controlling the power of the hearing aid; And a controller configured to generate pulse signals capable of raising the volume of the volume controller to a predetermined level when the power is turned on by the power button.

The hearing aid further includes an external connection jack to which an external earphone is connected, and external sound input through the microphone is amplified and simultaneously output through the speaker and the external earphone.

The hearing aid may further include an audio input unit through which an audio output signal of an external sound device is input, wherein the audio output signal input through the audio input unit is amplified and output through the speaker.

In addition, the hearing aid transmission and reception system according to the present invention, a radio transmitter attached to the device for outputting an audio signal through a speaker, and receives the audio signal through a first microphone to modulate the FM frequency signal and transmits to the wireless space through an antenna ; And a wireless receiver configured to receive the FM frequency modulated signal from the wireless transmitter and synthesize the signal inputted through the second microphone and output the synthesized signal. The first microphone to receive an external voice signal; An amplifier for amplifying the voice signal input through the first microphone; An FM receiver for receiving a signal in an FM frequency band; A control unit which detects the FM noise having the least noise except the FM broadcasting station frequency inputted from the frequencies received from the FM receiving unit; An FM modulator for modulating the amplified voice signal of the amplifier to the FM frequency detected by the controller; And the antenna for transmitting the modulated signal of the FM modulator to a wireless space, wherein the wireless receiver comprises: a power button for controlling power; A microphone for receiving an external voice signal; An amplifier for amplifying and outputting the voice signal input through the microphone; An antenna for receiving a radio signal transmitted through a radio space; An FM receiver which receives and demodulates an FM frequency signal transmitted from the wireless transmitter among signals received through the antenna; A mixer for mixing the output signal of the amplifier and the demodulation signal of the FM receiver; A volume control unit controlling a volume of the voice signal output through the mixer; And an up / down pulse signal to the volume controller according to an input of an up / down button exposed to the outside, and when the power is turned on by the power button, a pulse signal for raising the volume of the volume controller to a predetermined level. And control the FM frequency signal demodulation of the FM receiver by searching for the FM frequency of the FM modulator of the wireless transmitter.

The hearing aid according to the present invention can improve the user's convenience by allowing the user to freely adjust the volume amplification degree according to the user's hearing and the surrounding sound level.

In addition, according to the present invention, when the power of the hearing aid is turned on, the control unit automatically generates a certain amount of pulse to increase the volume, so that the user is automatically set to a predetermined level even if the user does not enter the volume control button several times. It has a beneficial effect.

In addition, according to the present invention there is an advantage that can be heard at the same time in both ears through the earphone in the ear and the opposite ear coupled to the main body.

In addition, according to the present invention there is an advantage that you can hear the voice output from a portable device such as a mobile phone, MP3 through a hearing aid.

In addition, according to the present invention, by receiving the TV sound through the microphone of the wireless transmitter, by transmitting the FM frequency to the wireless receiver there is an advantage that the elderly mild hearing loss can easily watch TV without harm to others.

1 is an external view of a hearing aid according to an embodiment of the present invention.
2 is a view showing a state in which the earphone is connected to the external jack of the hearing aid body according to an embodiment of the present invention used in both ears.
Figure 3 is an internal configuration of the hearing aid according to an embodiment of the present invention.
4 is an internal configuration diagram of a wireless transmitter according to an embodiment of the present invention.
5 is a diagram illustrating an internal configuration of a wireless receiver according to an embodiment of the present invention.
6 is an external view of a radio transmitter holder in accordance with a preferred embodiment of the present invention.
7 is an external view of a wireless transmitter according to a preferred embodiment of the present invention.
8 is an external view of a wireless receiver according to an embodiment of the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. However, embodiments of the present invention may be modified in various forms, the scope of the present invention should not be construed in a way that is limited by the embodiments described below. Embodiments of the present invention are provided to more completely explain the present invention to those skilled in the art.

1 is an external view of a hearing aid according to an exemplary embodiment of the present invention.

Referring to FIG. 1, the hearing aid 100 according to the present invention includes an audio output unit 101, a volume control button 103, and a power button 105. Although not shown, a microphone (microphone) is installed in the lower part of the hearing aid 100, and the sound input through the microphone is amplified inside the hearing aid 100 so that the amplified sound can be heard by the user. Outputted through 101).

In addition, the user may adjust the amplification degree of the sound output from the audio output unit 101 through the volume control button 103 to adjust the amplification degree of the sound. That is, when the user's hearing is weak, the user may increase the volume by inputting the "△" button (up button) in the volume control button 103, and the "▽" button (down button) when the surrounding sound is loud and heard from the ear. To decrease the volume.

In addition, the hearing aid 100 is provided with a power button 105 for operating the hearing aid 100 only while the ear is worn and used to minimize battery consumption. The power button 105 is repeatedly turned on and off according to the input.

2 is a view showing a state in which the earphone is connected to the external jack of the hearing aid main body according to an embodiment of the present invention used in both ears.

Referring to Figure 2, the hearing aid according to the present invention may be connected to the earphone including the speaker 205 and the external jack connecting portion 207 to the external jack 201. As described above, when the earphone is connected to the hearing aid external jack 201, the sound amplified by the hearing aid is simultaneously output through the speaker 205 of the earphone in addition to the audio output included in the hearing aid body. It is possible to listen in

On the other hand, the external jack 201 may be designed to charge the power of the hearing aid is connected to the external power when the hearing aid is not used.

3 is an internal configuration diagram of a hearing aid according to an embodiment of the present invention.

Referring to FIG. 3, the hearing aid according to the present invention is a microphone (microphone) 301 that receives external sound, an amplifier 303 for amplifying a sound input through the microphone 301, and an amplification in the amplifier 303. A band filter 305 for filtering the audio signal into an audible frequency band that can be heard by a human, a volume controller 307 for adjusting the volume of the audio signal passing through the band filter 305, and a volume controller 307. A power amplifier 309 for amplifying the size of the audio signal controlled by the first amplifier, a first speaker 323 for outputting the final audio signal amplified by the power amplifier 309 to the outside, and a final output of the power amplifier 309 It includes an automatic gain control unit 311 for maintaining a constant value.

The hearing aid includes a volume button 315 for adjusting the volume of the volume control unit 307. The volume control unit 307 is to adjust the volume by the volume button 315. The volume button 315 includes an up / down button as described in FIG. 1, and the volume can be increased by one level by the up button, and the volume can be lowered by one level by the down button.

The hearing aid includes a controller (microcontroller) 313 for detecting an event of the power button 319 to control on / off of the entire power of the hearing aid.

When the controller 313 detects a switch on event through the power button 319 in a power off state, the controller 313 turns on the power of the hearing aid and simultaneously turns off the volume control unit 307. By generating pulse signals that increase the volume of the volume to reach a certain level, the volume of the volume controller 307 is automatically adjusted. In general, the volume range that can be adjusted by the volume control unit 307 is from -32 to +32, and the average hearing impaired person can hear without discomfort through the hearing aid is about +25, preferably, the control unit 313 ) Will automatically generate 25 signals that turn up the volume at power-on. As such, when the power supply is turned on at the same time, the control unit 313 automatically generates 25 pulse signals that increase the volume of 25, the user may eliminate the inconvenience of having to input the volume button 315 25 times.

Meanwhile, the controller 313 may output a beep sound when the power is turned on and off to recognize the operation of the hearing aid.

When external power is applied through the external connection jack 325 of the hearing aid, the charging unit 327 charges the power of the rechargeable battery 329. The controller 313 may display the charging state of the rechargeable battery 329 through an power controller 321 to an external LED.

In addition, when the earphone is connected to the external connection jack 325, the final audio output of the power amplifier 309 is the first speaker 323 connected to the body of the hearing aid and the second speaker included in the earphone Are simultaneously output. Therefore, the user can simultaneously hear the sound output from the hearing aid through both ears.

Meanwhile, an audio signal of an external sound device is input to the audio input unit 331, and the sound input from the microphone 301 is amplified and output from the external sound device as in the process of outputting through the first speaker 323. An audio signal is amplified by the hearing aid and output through the first speaker 323. The sound device includes various sound devices such as a mobile phone, an MP3 player, a CD player, and the like. Accordingly, the user can listen to the sound output from various acoustic devices as well as the external sound without any inconvenience.

Hereinafter, a hearing aid transmission / reception system according to an embodiment of the present invention will be described with reference to FIGS. 4 and 5. Hearing aid transmission and reception system according to the present invention is composed of a wireless transmitter (see Figure 4) and a wireless receiver (see Figure 5). The radio transmitter attaches to an external sound output device such as a TV or audio, and converts the voice output from the device into a radio frequency signal (for example, an FM frequency signal) to perform wireless transmission. In addition to the basic functions of the hearing aid described above in the embodiments of FIGS. 1 to 3, the wireless receiver receives and modulates a radio frequency signal (eg, an FM frequency signal) transmitted from the radio transmitter, and then inputs it from a microphone or an external connection jack. Synthesizes with the audio signal and outputs to the speaker.

Therefore, the hearing aid transmission and reception system according to an embodiment of the present invention can be worn on the wireless transmitter and the ear attached to the TV even if the senile mild hearing loss does not increase the volume of the external sound output device such as a TV (that is, does not harm others). Not only amplified sound can be heard through the wireless receiver, but also a signal input through a microphone of the wireless receiver or an audio signal input from an external connection jack can be simultaneously listened at a desired volume level.

4 is a diagram illustrating an internal configuration of a wireless transmitter according to an embodiment of the present invention.

Referring to FIG. 4, a wireless transmitter according to an embodiment of the present invention includes a microphone (microphone) 401 for receiving external sound, an amplifier 403 for amplifying a sound input through the microphone 401, and the amplifier ( A band filter 405 for filtering the amplified audio signal to an audible frequency band that can be heard by a person, an automatic gain control unit 407 for maintaining a constant final output value of the band filter 405, audio or TV A mixer which directly connects to an external input device such as an external input jack 415 for receiving an audio signal, a mixer for synthesizing an output signal of the band pass filter 405 and an external input signal input through the external input jack 415 ( 409, an FM modulator 411 for frequency modulating the output signal of the mixer 409, an antenna 413 for transmitting the output signal of the FM modulator 411 to a wireless space, and the antenna ( FM note via 413) It may include a FM receiver 419 for receiving signals.

The wireless transmitter includes a controller (micro controller) 417 for detecting an event of a power button (not shown) and controlling on / off of the entire power of the wireless transmitter.

The control unit 417 may recognize the operation of the wireless transmitter by outputting a beep sound at the time of switching on and off through the power button (not shown).

When external power is applied through the external input jack 415 of the wireless transmitter, the charging unit 423 charges the power of the rechargeable battery 421. The controller 417 may display a charging state of the rechargeable battery 421 through an power controller 425 to an external LED.

In addition, when an external device (eg, TV or audio) is connected to the external input jack 415, the audio signal input from the external device passes through the band filter 405 through the mixer 409 ( 401) is synthesized with the input signal.

On the other hand, according to an embodiment of the present invention, the FM receiver 419 receives the FM frequency signal of the 88 ~ 108MHz frequency band and provides it to the controller 417. The controller 417 finds a frequency having the least noise in the received signal except for the pre-inputted FM broadcasting station frequency and sets it as the transmission FM frequency. Accordingly, the controller 417 controls the FM modulator 411 to modulate the output signal of the mixer 409 to the set FM frequency.

Further, according to an embodiment of the present invention, a product identification number is inserted into a subcarrier of 57 KHz at the set FM frequency.

5 is a diagram illustrating an internal configuration of a wireless receiver according to an exemplary embodiment of the present invention. Referring to FIG. 5, a wireless receiver according to an embodiment of the present invention includes a microphone (microphone) 501 that receives external sound, an amplifier 503 that amplifies a sound input through the microphone 501, and the amplifier ( A band filter 505 for filtering the amplified audio signal in an audible frequency band a human can hear, a mixer for synthesizing the output signal of the band filter 505 and the FM frequency reception signal of the FM receiver 525 ( 507, a volume controller 509 for adjusting the volume of the audio signal passing through the mixer 507, a power amplifier 511 for amplifying the size of the audio signal controlled by the volume controller 509, and the power amplifier. An output jack 515 for outputting the final audio signal amplified by 511 to an external speaker or earphone, and an automatic gain control unit 513 for maintaining a constant final output value of the power amplifier 511.

The wireless receiver may further include a volume button (not shown) for adjusting the volume of the volume controller 509. Since the function of the volume controller 509 performs the same function as described with reference to FIG. 3, a detailed description thereof will be omitted.

The wireless receiver includes a controller (micro controller) 523 for detecting an event of the power switch 521 to control on / off of the entire power of the wireless receiver.

When the controller 523 detects a switch on event through the power switch 521 in a power off state, the controller 523 turns on the power of the power switch and at the same time the volume controller 509. The volume of the volume control unit 509 is automatically adjusted by generating pulse signals for increasing the volume of the volume to reach a predetermined level. Meanwhile, the controller 523 may output a beep sound when the power is turned on and off to recognize the operation of the wireless receiver.

When external power is applied through the output jack 515 of the wireless receiver, the charging unit 517 charges the power of the rechargeable battery 329. The controller 523 may display the charging state of the rechargeable battery 519 through an external LED through the power controller 529.

In addition, when an earphone or the like is connected to the output jack 515, the final audio output of the power amplifier 511 is simultaneously output through the speaker connected to the main body of the wireless receiver and the speaker included in the earphone. Therefore, the user can simultaneously hear the sound output from the hearing aid through both ears.

On the other hand, the antenna 527 receives a signal through a wireless space and provides the signal to the FM receiver 525. The FM receiver 525 of the signal received by the frequency control signal of the controller 523 of the radio transmitter of FIG. Receives and processes an FM frequency signal sent by.

In more detail, when the receiver is turned on in the operating state of the wireless receiver, the signal received from the FM receiver 525 is analyzed by excluding an FM broadcast station frequency previously stored in the controller 523 in the frequency band of 88 to 108 MHz. The frequency band with the product identification signal is found in the 57 kHz subcarrier. Accordingly, the controller 523 detects the FM frequency band of the signal transmitted from the wireless transmitter by the product identification signal, and controls the FM receiver 525 to demodulate the received signal to the detected frequency band. do.

The FM receiver 525 detects the signal of the frequency band transmitted from the radio transmitter and provides the signal to the mixer 507. Therefore, the user can conveniently receive the signal transmitted from the radio transmitter without any separate frequency selection.

On the other hand, for example, a user attaches a wireless transmitter to a TV or the like, and a signal output through the speaker of the TV is transmitted from the wireless transmitter to the wireless receiver at the set FM frequency. The wireless receiver detects and amplifies the signal transmitted at the FM frequency so that the user can listen to it.

6 to 8 are views showing the appearance of a radio transmitter holder capable of attaching the above-mentioned radio transmitter, radio receiver and radio transmitter to a TV or the like.

6 is an external view of a wireless transmitter holder according to a preferred embodiment of the present invention, Figure 7 is an external view of a wireless transmitter according to a preferred embodiment of the present invention, Figure 8 is a preferred embodiment of the present invention It is an external view of the wireless receiver.

The user attaches the transmitter holder to a TV or the like as shown in FIG. 6, and preferably attaches around the speaker of the TV. At this time, the user can fix the wireless transmitter to the TV by inserting the wireless transmitter as shown in FIG. 7 into the transmitter holder.

In addition, the user can listen to the TV sound through the earphone by connecting the earphone to the output jack of the wireless receiver while having a wireless receiver as shown in FIG.

100: hearing aid 101: speaker
201, 325: external connection jack 307: volume control
313: control unit 331: audio input unit
401 microphone 403 amplifier
405: Band filter 407: Automatic gain control
409: mixer 411: FM modulator
413: antenna 415: external input jack
417: control unit 419: FM receiver
421: charging unit 423: charging unit
425: power control unit 501: microphone
503: amplifier 505: band filter
507: mixer 509: volume control
511: power amplification unit 513: automatic gain control unit
515: output jack 517: live part
519: rechargeable battery 521: power control unit

Claims (8)

A wireless transmitter attached to a device for outputting an audio signal through a speaker, and receiving the audio signal through a first microphone and modulating the audio signal into an FM frequency signal and transmitting the radio frequency to an antenna through an antenna; And
Receiving an FM frequency modulated signal from the wireless transmitter, and comprises a wireless receiver for combining with the signal input through the second microphone and outputs,
The wireless transmitter,
A power button for controlling power;
The first microphone to receive an external voice signal;
An amplifier for amplifying the voice signal input through the first microphone;
An FM receiver for receiving a signal in an FM frequency band;
A control unit which detects the FM noise having the least noise except the FM broadcasting station frequency input from the frequencies received from the FM receiving unit;
An FM modulator for modulating the amplified voice signal of the amplifier to the FM frequency detected by the controller;
The antenna for transmitting the modulated signal of the FM modulator to a wireless space;
An audio input unit connected to a device for outputting the audio signal by wire and receiving an audio output signal of the device; And
And a first mixer for synthesizing the audio output signal input through the audio input unit and the voice signal input through the first microphone.
The wireless receiver,
A power button for controlling power;
A microphone for receiving an external voice signal;
An amplifier for amplifying and outputting the voice signal input through the microphone;
An antenna for receiving a radio signal transmitted through a radio space;
An FM receiver which receives and demodulates an FM frequency signal transmitted from the wireless transmitter among signals received through the antenna;
A second mixer for mixing the output signal of the amplifier and the demodulation signal of the FM receiver;
A volume control unit controlling a volume of the voice signal output through the second mixer; And
Transmitting an up / down pulse signal to the volume control unit according to the input of the up / down button exposed to the outside, and the pulse signal for raising the volume of the volume control unit to a certain level when the power is turned on by the power button And a control unit for controlling the FM frequency signal demodulation of the FM receiver by retrieving the FM frequency of the FM modulator of the wireless transmitter. The method of claim 1,
The wireless receiver further includes an external connection jack to which an external earphone is connected,
The output signal of the volume control unit is amplified by a power amplifier, the hearing aid transmitting and receiving system, characterized in that output through the speaker or the external earphone.
The hearing aid transmitting and receiving system according to claim 1,
And a wireless transmitter holder capable of attaching the wireless transmitter to a device for outputting the audio signal,
And the wireless transmitter can be secured to a device to which the wireless transmitter outputs the audio signal by inserting into the wireless transmitter holder.
delete The method of claim 1, wherein the wireless receiver,
Further comprising an audio input unit to which the audio output signal of the external sound device is input,
And the audio output signal input through the audio input unit is amplified and output through the speaker.
The method of claim 1, wherein the control unit of the wireless transmitter,
Hearing aid transmission and reception system, characterized in that for controlling the insertion and transmission of the product identification number in the subcarrier of the detected FM frequency.
The method of claim 6, wherein the control unit of the wireless receiver,
And checking the transmission FM frequency of the radio transmitter by checking a product identification number inserted in the subcarrier among the received FM frequency signals.
8. The hearing aid transceiver system according to claim 6 or 7, wherein the subcarrier is 57 KHz at the FM frequency.

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