KR20100119470A - Wireless head set apparatus equipped with mic combined with earphone and monitoring function - Google Patents

Abstract

Wireless headset device equipped with a supervisory microphone with a supervisory function and earphone according to the present invention is a single crystal vibration sensor for sensing the vibration of the vocal cords transmitted to the ear and the conversion of the vibration of the vocal cords sensed by the vibration sensor into an electrical signal A vibration sensor microphone including a module; A monitoring microphone for detecting and outputting an external sound signal; And a receiver for converting and outputting an external communication signal into a sound signal, and outputting an external sound signal detected by the monitoring microphone.

According to the present invention, it is possible to effectively conduct a call even in an environment exposed to external noise, such as in a public place or inside a moving means, as well as a signal processing process that is processed to suit the hearing of the user. It can provide the effect that the user can listen efficiently.

Description

WIRELESS HEAD SET APPARATUS EQUIPPED WITH MIC COMBINED WITH EARPHONE AND MONITORING FUNCTION}

The present invention relates to a device such as a wireless headset, and more particularly, a means for sensing a user's vocal vocal cord, converting it into an electrical signal, and transmitting the same, and a receiver means for converting and receiving a signal received from the outside into a sound signal. The present invention relates to a wireless headset having a supervisory function and an ear type dual-use ear microphone, which is configured in the form of being inserted into the ear and also effectively hears external sound.

In the case of making a call through a wireless portable terminal, a device configured to effectively block external noise to perform a call or to minimize a restriction of activity during a call in a situation such as exercise or driving has been introduced.

In addition to making a call through a wireless terminal as described above, such a device may perform wired / wireless communication or physical communication between performers while performing tasks or tasks in a special environment or situation where external noise is severe or a mask, helmet, or gas mask should be worn. It can be applied to the case of performing wired / wireless communication between the management headquarters and the performer spaced apart.

Such a device includes a whistle-type receiver inserted into an ear and a device in which a microphone is provided at a middle portion of a cable connecting the whistle-type receiver to a mobile terminal, but such a device is operated by a microphone provided between a cable and a cable. There is a problem in that the microphone is provided in a location exposed to ambient external noise, so there is a problem that a lot of noise and the like is inherently mixed.

In addition, there is also a bone conduction receiver that is used when the hearing measurement or hearing loss is severe, it can be said that it is difficult to generalize or popularize because it is used only within a specific environment. In addition, in a microphone for converting a speaker's voice into an electrical signal, when a pressure is applied, a PZT sensor may be applied. The PZT sensor has a narrow frequency band and a voice signal transmission capability. There is a problem that this is low, there is a case where a magnetic force (MAGNETIC) sensor is used, but in this case also requires a magnet and a coil, so there is a problem that it is not suitable for portable, etc. because a considerable volume and weight is required.

On the other hand, conventional earphones or headsets, if the user needs to listen to the sound generated from the outside does not implement the functional considerations, in order to accurately recognize the sound information generated from the outside take off the earphone or headset or earphone or There are inconveniences that must be accompanied by additional actions or performance, such as reducing the volume of sound output through the headset.

In addition, when performing a task or a task in an environment where the external noise continues to be severe, there is also a problem that a significant damage to the user's hearing is caused by a long-term continuous exposure to the external noise.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has a high voice signal conversion and transmission capability, and is virtually unlimited in user's independent multiple activities. The purpose of the present invention is to provide a wireless headset having a supervisor-type microphone with a supervisory function and a earphone that can be listened to by a user.

Other objects and advantages of the present invention will be described below and will be appreciated by the embodiments of the present invention. In addition, the objects and advantages of the present invention can be realized by the configuration and combination of configurations shown in the claims.

Wireless headset device having a supervisory microphone with a supervisory function and earphone for achieving the above object is a single crystal vibration sensor for sensing the vibration of the vocal cords transmitted into the ear and the vibration of the vocal cords sensed by the vibration sensor into an electrical signal Vibration sensor microphone including a conversion module; A monitoring microphone for detecting and outputting an external sound signal; And a receiver for converting and outputting an external communication signal into a sound signal, and outputting an external sound signal detected by the monitoring microphone.

The present invention may further include a control module which transmits an electric signal output from the vibration sensor microphone to an external communication device, and transmits an external communication signal received from the outside and an external sound signal output from the monitoring microphone to the receiver. The control module may include a first converter for converting the electrical signal output from the vibration sensor microphone into a first digital signal; A transmitter for transmitting the first digital signal to the outside; And a second converter converting the external communication signal received as a digital signal into an electrical signal and transmitting the electrical signal to the receiver.

In addition, the single crystal vibration sensor is preferably provided on the outer circumferential surface or the outer circumferential front end of the ear type microphone so as to be in close contact with the ear canal when worn.

The control module may further include an output control unit which reduces the size of the external sound signal and outputs it to the receiver when the size of the external sound signal output from the monitoring microphone is greater than a reference magnitude value. The output controller reduces and outputs the corresponding frequency band when the size of each frequency band of the external sound signal output from the monitoring microphone is larger than the reference size value set for each band, and outputs the external sound signal output from the monitoring microphone. Is controlled to not be greater than the external communication signal to output to the receiver.

According to the present invention, the sound emitted through the human mouth, which is exposed to external noise in essence, is not constituted as a source of the sound signal, but the human vocal cord vibration is detected by sound waves or sound vibrations transmitted to the ears through the eustachian tube. And by configuring the sensed signal as a source, it is possible to provide an effect that can remove the external noise at the source in the sound of the speaker.

In addition, the receiver means is configured to be mounted in the ear, thereby minimizing the exposure to the external noise of the received signal.

Through the configuration of the present invention can create an effect that can further enhance the convenience and portability even when the user moves violently or perform other activities together, in particular, even in the work site to wear a helmet, etc. effectively Wired and wireless calls can be carried out between workers, improving work efficiency through communication efficiency.

In addition, the externally generated sound can be configured to be listened to by the user's choice, so that it can have excellent applicability and expandability in environments where listening to external sound is also required, thereby providing a more user-oriented wireless headset. have.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

1 is a block diagram showing the configuration of the present invention. As shown in FIG. 1, the wireless headset (hereinafter referred to as “the present invention device”) 100 having a supervisory function and a earphone-type earlobe microphone according to the present invention includes a single crystal vibration sensor 111 and a conversion module ( 113 may include a vibration sensor microphone 110, the receiver 120, the control module 130 and the monitoring microphone 140.

Components for the present invention device 100 shown in FIG. 1 should be understood as logically divided components rather than physically divided components, as shown in FIG. 1, the vibration sensor microphone 110 and the receiver. 120, the control module 130 and the monitoring microphone 140 has the form of an integrated ear set (EAR SET) and the like can be implemented in a configuration such as the electric and electronic elements therein, of course, in the embodiment Accordingly, the vibration sensor microphone 110, the receiver 120, and the monitoring microphone 140 are implemented as a single united ear set or the like device 200 to reduce the weight or size of the ear set, and the like. The configuration 300 may be implemented in a physically dual form in which the vibration sensor microphone 110, the receiver 120, and the monitoring microphone 140 are electrically connected to each other.

The single crystal vibration sensor 111 senses the sound of the vocal cords or the vibrations of the vocal cords transmitted to the ear through the eustachian tube instead of sensing the sound of human voice leaking through the mouth. That is, when the human vocal cords are ringed, the vibrations are transmitted by the bones around the eustachian tube or the lumbosacral organ, and the single crystal vibration sensor 111 senses the ringing of the vocal cords due to such bones. .

In this configuration, only the vocal cord vibrational part of the talker is transmitted to the microphone through the bone and converted into an electric signal, and other noises in the surroundings are filtered due to the difference between heterogeneous impedance materials and attenuation in the transmission medium.

Therefore, the earphone-type whisper type microphone according to the present invention can ensure communication with the outside or high quality communication quality even when the user is placed in an extreme noise environment or wears a helmet or the like.

In addition, the vibration sensor using a single crystal device according to the present invention has a significantly higher efficiency compared to the conventionally employed elements as shown in the table below.

The most important permittivity in the step of converting vibration into an electrical signal is the degree to which the dielectric induces electricity (charge storage). The higher the permittivity, the more electric charge, that is, energy is stored inside. It can be output, which increases the sensitivity. The piezoelectric loss is a constant indicating the efficiency of the piezoelectric element, that is, the amount of charge generation due to the deformation force or the amount of mechanical deformation due to the electric field. The smaller the loss, the smaller the loss.

Hereinafter, the sensing operation by the single crystal vibration sensor will be briefly described through an equivalent circuit. When a change Δp of the input vibration occurs as shown in FIG. 3, a displacement Δd will be generated in the vibration element. As a result, the arrangement of the electric charges constituting the vibrating element is changed in one direction or in multiple directions. Such a change in arrangement results in a change in potential, and an output voltage DELTA V corresponding to the change in potential is generated by a predetermined impedance matching.

On the other hand, in order to sufficiently transfer energy between the vibrating element and the bone located in the ear, impedance matching between the vibrating element and the bone must be made well. For this purpose, the single crystal vibrating element has an impedance similar to that of a human body compared with a general conventional element. It has a high transmission rate.

When vibration is sensed by the single crystal vibration sensor 111 as described above, the sensed signal converts the vibration of the vocal cords sensed by the single crystal vibration sensor into an electrical signal in the conversion module 113 of the present invention. The electrical signal thus converted may be transmitted in a wired or wireless manner to a mobile terminal device or a communication device such as a mobile phone that is expandably connected to the device according to the present invention through processing such as predetermined signal processing. .

In the case of the vibration sensor using the single crystal according to the present invention, as shown in FIG. 4, almost all parts of the communication band related to voice signal transmission can be covered, so that a human voice signal can be more effectively sensed.

5, the single crystal vibration sensor 111 is formed in the ear canal part of the ear when the microphone according to the present invention is worn on the user's ear in order to more effectively sense the vibration as shown in FIG. It is more preferable that the outer circumferential surface of the microphone according to the present invention to be in close contact with the bone structure of the human body is more preferably provided above the outer circumferential surface.

As shown in FIG. 5, the device according to the present invention may be provided at a device end portion such as a headset or an earset and inserted into the ear of a human body. That is, as shown in FIG. 5, the present invention may be configured in the form of a headset or an ear set, and may be formed in a predetermined ear fitting coupling device and implemented in a form of being caught by an individual ear. Of course, it can be implemented in the form that is inserted into the ear.

Meanwhile, the receiver 120 of the present invention is responsible for converting the external communication signal into a sound signal and outputting the sound signal. When the user wears the device of the present invention, the user performs a call by the single crystal vibration sensor described above, and an externally received communication signal is output to the user through the receiver, and also detected by the monitoring microphone 140. Outputs an external sound signal to the user.

By wearing the apparatus of the present invention, a user or a person performing a task exposed to a noisy environment or the like can effectively communicate with each other or a command center, or perform a communication or a call.

In addition, the control module 130 of the present invention can be integrally configured with the vibration sensor microphone 110, the receiver 120 and the monitoring microphone 140 in a single physical means such as the ear set as described above. Of course, the vibration sensor microphone 110, the receiver 120 and the monitoring microphone 140, such as a device such as an ear set 200, which is connected to the device can be implemented as a module or terminal 300 in the form of electrical signal. Of course.

The control module 130 is a configuration corresponding to a processing module that is in charge of signal processing, signal transmission, and the like, and transmits an electrical signal output from the vibration sensor microphone 110 to an external communication device, and received externally The communication signal is transmitted to the receiver 120. In addition, the external sound signal detected by the monitoring microphone 140 is transmitted to the receiver 120.

In more detail, the control module 130 may include a first converter 131, a transmitter 133, an interface 135, a receiver 137, a second converter 139, and an output controller 138. have.

The first converter 131 converts the electrical signal output from the vibration sensor microphone 110 into a first digital signal, and the converted first digital signal is transmitted from the interface 133 to the interface ( 135 to an external communication device or the like.

Meanwhile, when an external communication signal is received through the interface 135 and the receiver 137 as a digital signal, the second converter 139 of the present invention converts the external communication signal received as a digital signal into an electrical signal. Output to the receiver 120. When a signal received from an external communication device or the like is related to a command or task execution, the receiver 137 may more preferably store a signal received from the outside in order to preserve matters related to future task performance.

The output control unit 138 reduces the size of the external sound signal and outputs the external sound signal to the receiver 120 when the size of the external sound signal output from the monitoring microphone 140 is greater than a reference magnitude value. By configuring the size of the to be a certain level can be configured to comfortably listen to the sound generated from the outside within the range that the user's hearing does not occur. In addition, if the size of the external sound signal is too small, by increasing the gain value for this can be configured to allow the user to correctly recognize the external sound.

According to the configuration, even if the user is wearing a helmet or the like, even if the monitoring microphone 140 is placed in an environment that can be interrupted or interrupted with the external sound to recognize the external sound more effectively to enable comprehensive situation determination. It is composed.

That is, when the external sound is transmitted to the user too loudly, it may interfere with the signal reception through the external communication device, etc. Also, if the strong external sound is continuously exposed to the user for a long time, damage to the user's hearing may occur. In order to effectively overcome these points, the output control unit 138 compares the magnitude of the external sound signal output from the supervisory microphone 140 with a reference magnitude value, which is a reference for magnitude control, to listen to the external sound signal. Convert to the appropriate size level is configured to be output to the receiver (120).

The reference size value, which is a reference for the size adjustment, is preferably configured to be set automatically or automatically by a user's manual operation in consideration of the surrounding external environment, the degree of noise, and the user's hearing.

In addition, the output control unit 138 of the present invention to determine the size of each frequency band of the external sound signal output from the monitoring microphone 140, in order to configure to adjust the external sound more selectively, the size of the frequency band It is more preferable to configure so that conversion to an appropriate magnitude | size or adjustment is possible.

That is, the energy of each frequency band of the external sound signal output from the monitoring microphone is obtained, and when the input energy is small, the signal is increased to control the small sound more clearly, and when the input energy is large, By reducing this, it is configured to prevent the possibility of problems with hearing loss.

In one embodiment, the frequency value corresponding to the frequency of the external sound signal is greater than the reference value set for each band by comparing the reference value set for each frequency band and the size of each frequency band of the external sound signal. It can be configured to reduce the size of the output.

In addition, in consideration of a situation or sound generated from the outside, the output control unit 138 has an external sound signal output from the supervisory microphone 140 so as not to disturb the external communication signal received through wired / wireless communication. Control not to be large so as to output to the receiver 120 or when an external communication signal is received and wired or wireless communication is configured, so that the external sound signal generated from the outside is configured to be more focused on the external communication signal Can be.

In the detailed description of the exemplary embodiment of the present invention, the term “first order” or “second” is not used to mean a term order or priority, but is used to relatively distinguish one component or term from another component or term. It should be understood as a concept.

As described above, the headset device according to the present invention is described in detail, but each configuration of the present invention illustrated in FIGS. 1 and 2 should be understood as logically divided components rather than physically divided components.

That is, since each configuration corresponds to logically divided components to realize the technical idea of the present invention, even if each component is integrated or separated, the present invention can realize the function performed by the logical configuration of the present invention. Should be interpreted to be within the scope of.

Although the present invention has been described above by means of limited embodiments and drawings, the present invention is not limited thereto and will be described below by the person skilled in the art to which the present invention pertains. Of course, various modifications and variations are possible within the scope of the claims.

The following drawings, which are attached to this specification, illustrate exemplary embodiments of the present invention, and together with the detailed description of the present invention serve to further understand the technical spirit of the present invention, the present invention includes matters described in such drawings. It should not be construed as limited to.

1 is a block diagram showing a configuration according to a preferred embodiment of the present invention,

2 is a block diagram showing a configuration according to another preferred embodiment of the present invention;

3 is an equivalent circuit diagram showing an operation relationship of a vibration sensor according to the present invention;

4 is a diagram illustrating a sensing frequency band of a single crystal vibration sensor according to the present invention;

5 is a view showing the appearance and coupling relationship of the headset according to a preferred embodiment of the present invention.

Claims (7)

A vibration sensor microphone including a single crystal vibration sensor for sensing the vibration of the vocal cords transmitted into the ear and a conversion module for converting the vibration of the vocal cords sensed by the vibration sensor into an electrical signal; A monitoring microphone for detecting and outputting an external sound signal; And And a receiver for converting and outputting an external communication signal into a sound signal, and outputting an external sound signal detected by the monitoring microphone. The method of claim 1, And a control module for transmitting the electrical signal output from the vibration sensor microphone to an external communication device, and transmitting the external communication signal received from the outside and the external sound signal output from the monitoring microphone to the receiver. Wireless headset device with supervisory microphone with supervisory function and earphone. The method of claim 2, wherein the control module, A first converter converting the electrical signal output from the vibration sensor microphone into a first digital signal; A transmitter for transmitting the first digital signal to the outside; And And a second converter for converting the external communication signal received as a digital signal into an electrical signal and transmitting the converted signal to the receiver. The method of claim 2, wherein the single crystal vibration sensor, Wireless headset device having a supervisory microphone with a supervisory function and earphones, characterized in that provided on the front end of the outer peripheral surface of the microphone so as to be in close contact with the ear canal when worn. The method of claim 2, wherein the control module, If the size of the external sound signal output from the monitoring microphone is larger than the reference magnitude value further comprises an output control unit for reducing the size of the external sound signal and outputting the receiver to the receiver microphone Wireless headset device having a. The method of claim 5, wherein the output control unit, When the size of each frequency band of the external sound signal output from the monitoring microphone is larger than the reference size value set for each band, the monitoring function and the earpiece combined ear type microphone, characterized in that for reducing the output of the corresponding frequency band Having a wireless headset device. The method of claim 6, wherein the output control unit, Surveillance function and earphone, characterized in that for controlling the external sound signal output from the monitoring microphone is not greater than the external communication signal to output to the receiver or when the external communication signal is received and the external communication signal is cut off Wireless headset device with dual-speed earpiece microphone.

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