KR100730737B1 - Bone conduction headset - Google Patents

Abstract

A bone conduction headset is provided to enable a hearing-impaired person to listen to a sound through a bone conduction and to enable a normal person to listen to a sound through a tympanic membrane by rotatably locating a bone conduction speaker unit on an ear and a skull of a user. A bone conduction headset includes a head holding unit(10), a couple of bone conduction speaker units(30), and a microphone unit(40). The head holding unit(10) is put on a head of a user. A first hinge unit(22) is installed on both ends of a central part of the head holding unit(10). A couple of extension units(21) are connected to the first hinge unit(22). A second hinge unit(24) is installed on the other side of the first extension unit(21). A couple of extension units(23) are connected to the second hinge unit(24). The couple of bone conduction speaker units(30) are rotatably connected to the other side of the second extension unit(23), and have a bone conduction vibrator. The microphone unit(40) is installed to be apart from the bone conduction speaker unit(30) or is formed to be integrated with the bone conduction speaker unit(30) on a side of the head holding unit(10). The first hinge unit(22) closely adheres a slant cross section plane which is upward slanted from an outer side to an inner side of both ends of the central part, to a slant cross section plane of an end of the first extension unit(21). The second hinge unit(24) closely adheres each cross section plane of the other end unit of the first extension unit(21) and an end of the second extension unit(23).

Description

Bone conduction headset}

1 is a perspective view of one embodiment of a bone conduction headset according to the present invention

2 is a plan view of the headset of the embodiment in a folded state

3 is a use state diagram of the embodiment

Figure 4 is a block diagram showing the circuit configuration of the bone conduction headset according to the present invention

5 is a perspective view of another embodiment of a bone conduction headset according to the present invention

Figure 6 is an exploded perspective view showing the structure of the hinge portion of the main portion of the embodiment

Figure 7 is a cross-sectional view showing a coupling structure of the hinge portion of the main embodiment

8 is a plan view of a process of folding the headset of the embodiment

9 is a use state diagram of the embodiment

<Description of the symbols for the main parts of the drawings>

10: head mounting portion 20: extension part

30: bone conduction speaker portion 40: microphone portion

50: short range wireless communication module

The present invention relates to a bone conduction headset, and more particularly, not only can hear sound through the bone conduction method, but also through the eardrum, and can reduce the size and weight of the speaker unit, as well as being simple and convenient to wear. The present invention relates to a bone conduction headset that can be compactly deformed and easy to store and capable of short-range wireless communication.

Recently, various bone conduction headsets that can hear sound without going through the eardrum have been developed in various ways. The bone conduction headset has a speaker provided with a vibrator at both ends of the headband to be worn on the head, it is made of a microphone extending from one of the speakers. When the speaker is in close contact with the head bone, the oscillator provided in the speaker vibrates the skull, not the eardrum in the ear, so that the user can hear the sound by using the vibration.

However, such a bone conduction headset has a large size and a large weight of the speaker, which is not good in appearance, and is inconvenient to wear by covering the user's ears, which is not generally used. In addition, the headband and large speakers of these bone conduction headsets are considerably bulkier than ordinary headsets, making them difficult to store. In addition, such a bone conduction headset is worn so that the large speaker unit is in close contact with the wearer's skull, the sound through the eardrum could not be heard.

Meanwhile, due to the spread of portable devices such as portable cassettes, CD players, and MP3s, and mobile phones with MP3 functions, headsets capable of speaking and listening to music are widely used. Moreover, in recent years, a manner in which such a headset is wirelessly communicated with the audio device or a mobile phone has been developed.

The present invention is to solve the problems as described above, the object of the present invention can not only hear the sound in the bone conduction method, but also through the eardrum can hear the sound, while reducing the size and weight of the speaker unit is simple Not only is it convenient to wear, it is compactly deformed by the rotation of the speaker unit is easy to store, to provide a bone conduction headset capable of short-range wireless communication.

According to a feature of the present invention, one side is coupled to the head mounting portion 10 which is covered or surrounded by the head, and the hinge shaft 25 provided at both ends of the head mounting portion 10 is rotatable and bone bone therein A pair of bone conduction speaker units 30 having a vibrator and one side of the head mounting unit 10 are provided to be spaced apart from the bone conduction speaker unit 30 or integrally with the bone conduction speaker unit 30. It is configured to include a microphone unit 40, the bone conduction headset is provided, characterized in that the close contact with the wearer's head bone as well as the ear by the rotation of the bone conduction speaker unit 30.

According to another feature of the invention, the head mounting portion 10 is provided with a central portion (11) having a hinge portion (22a) at both ends, and the bone conduction speaker portion 30 at one end and the other end portion Consisting of the extension portion 20 is coupled to each of the hinge portion 22a, the bone conduction headset, characterized in that each of the extension portion 20 is rotated and folded so as to be close to each other around the hinge portion (22a) Is provided.

According to another feature of the invention, the head mounting portion 10 is a central portion 11 is provided with a first hinge portion 22 at each end, and one side thereof is coupled to the first hinge portion 22 The first extension part 21 and the second extension part 23 are coupled to the second hinge part 24 provided on the other side of the first extension part 21. The first and second extension parts 21 and 23 on both sides are rotated so as to be close to each other, and the second extension part 23 is centered on the second hinge part 24. Bone conduction headsets are provided which are pivoted close to each other and compactly folded.

According to another feature of the present invention, the first hinge portion 22 is that both end portions 12, 12a of both ends of the central portion 11 and one end of the first extension portion 21 are in close contact with each other. The second hinge portion 22 is a cross section of each end portion of the other end portion of the first extension portion 21 and one end of the second extension portion 23 is in close contact with each other, one side end portion 12 of the respective coupling portion A locking piece 26 having a plurality of locking protrusions 27 protruding is formed at a circumference of the first or second extension part 21 and 23 to adjust the rotation angle of the first or second extension part 21 and 23. Or according to the rotation of the second extension portion (21, 23) is provided with an elastic stopper (29) in which the engaging projection 27 is caught therein, characterized in that the groove (28) for the engaging piece 26 is formed is formed. A bone conduction headset is provided.

According to another feature of the present invention, the extension unit 20 or the head mounting unit 10 is connected to the speaker unit 30 and the microphone unit 40 and short-range wireless communication to transmit and receive with the external device 60 Bone conduction headset is provided, characterized in that the module 50 and the amplification means is installed.

The objects, features and advantages of the present invention described above will become more apparent from the following detailed description. Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings.

1 is a perspective view showing a schematic configuration of an embodiment of a bone conduction headset according to the present invention, Figure 2 is a plan view of the folded state of the embodiment of the embodiment, Figure 3 is a state diagram of the use of the embodiment, Figure 4 is the embodiment A block diagram showing an example circuit configuration.

As shown, the bone conduction headset of the present invention includes a head mounting portion 10 that is covered or surrounded by a head, a pair of extension portions 20 extending from both ends of the head mounting portion 10, and one side extension portion. A pair of bone conduction speakers provided with a microphone unit 40 provided at 20 and a front end portion of the extension unit 20 are in close contact with the user's head and provided with a bone conduction vibrator (not shown). The part 30 is included as a main structure.

In the present embodiment, a wireless headset for wirelessly transmitting and receiving with an external device 60 such as a mobile phone is illustrated, and the headset is connected to the microphone unit 40 and the speaker unit 30 and wirelessly transmitted to the external device 60. Or a short range wireless communication module 50 capable of wirelessly receiving a voice signal from an external device 60 is added to the headset.

The head mounting portion 10 may be formed in a variety of shapes that can be covered on the head, such as a band, hat or helmet, it may be made of a band shape that is surrounded by the head. In this embodiment, the head mounting portion 10 has a shape that is surrounded by the back of the head. Moreover, this head mounting part 10 consists of the central part 11 which is substantially rod-shaped or arc-shaped, and provided with the hinge part 22a at both ends, and the extension part 20 couple | bonded with the both ends of this center part 11, respectively. .

The pair of extension portions 20 are coupled to the hinge portion 22a of the central portion 11, and may be formed in various shapes in which a bar shape or an S-shaped bend is formed, as shown in FIG. It is preferable that the head portion 10 is located at the back of the wearer's back or neck and the extension portion 20 is formed in a substantially detractor shape so that the extension portion 20 is caught by the ear. And since the extension part 20 is hinged with the hinge part 22a of the center part 11, since each extension part 20 rotates in the direction which approaches each other, it is compactly folded and it is easy to store. At this time, the hinge portion 22a has been exemplified as having a conventional structure used when the spectacle frame is folded, but is not necessarily limited thereto, and of course, the hinge structure applied in another embodiment to be described later may be applied.

The bone conduction speaker portions 30 are provided to face each other at each of the extension portions 20, and hinge shafts 25 provided at one end of the extension portion 20 so as to rotate in parallel with the extension portion 20. One side is coupled to. In this case, the hinge shaft 25 is formed in a ball shape, but illustrated in the drawing that one side of the bone conduction speaker unit 30 surrounds the ball, but in some cases, the hinge shaft 25 has a pin shape or the like. It may be made in various shapes. In addition, the bone conduction vibrator is provided in the bone conduction speaker unit 30, and the bone conduction vibrator vibrates the wearer's skull so that the wearer can hear the sound without passing through the eardrum. At this time, the extension part 20 is made of a plastic material having an elastic restoring force such that it is in close contact with the head bones of both ears of the wearer, or by closely contacting the bone conduction speaker unit 30, the bone conduction vibrator is the skull of the wearer It is easy to vibrate. On the other hand, using the bone conduction speaker 30 using the bone conduction vibrator, it is already known that the sound can be heard through the eardrum as well as the bone conduction method.

The microphone 40 is a conventional one, and converts an external voice signal into an electrical signal, and converts the voice of the other party, the user's voice, or an externally generated sound into an electrical signal. In addition, the microphone part 40 is embedded in the extension part 20 or protruded from the extension part 20 and provided to be rotatable in the extension part 20. In addition, in the present exemplary embodiment, the microphone part 40 protrudes from the extension part 20, but in some cases, the microphone part 40 may be provided together with the bone conduction speaker part 30. Of course, it may be formed to protrude from the bone conduction speaker unit 30.

The short range wireless communication module 50 is mounted on the extension unit 20, and the technology used in the short range wireless communication module 50 may use Bluetooth or a short range wireless communication method. The short range wireless communication module 50 includes an amplifier 51, a data converter 52, and a transceiver 53, and is connected in this order, and the amplifier 51 is connected to the microphone 40. And the speaker unit 30. The transceiver 53 of the short range wireless communication module 50 receives a voice signal sent from the transceiver of the external device 60 and converts the received digital voice signal into an analog signal through the data converter 52. And it is amplified through the amplifier 51 is input to the bone conduction speaker unit 30. In addition, the short range wireless communication module 50 wirelessly transmits a user's voice and the like received through the microphone unit 40 to the external device 60. In this case, the external device 60 may be a mobile communication or audio device such as a mobile phone or MP3, as well as a fixed communication and audio device such as a computer or audio.

In addition, the extension unit 20 may be equipped with an MP3 module in addition to the short-range wireless communication module 50, so that it is not necessary to include an external device 60 such as an MP3 player separately from the headset, so that music through a conventional MP3 player may be used. You can easily listen to music compared to having to have a separate headset to listen to your back.

On the other hand, one side of the headset is provided with a button type selection button 54, the selection button 54 may be configured to control the ON / OFF operation of the short-range wireless communication module 50. That is, when the short range wireless communication module 50 is operated, the voice signal collected by the microphone unit 40 is not transmitted to the speaker unit 30, and the voice signal is wirelessly transmitted to the external device 60. The voice signal wirelessly received from the external device 60 is input to the speaker unit 30 through the short range wireless communication module 50. In addition, when the operation of the short-range wireless communication module 50 is released, the voice signal received by the microphone unit 40 is amplified by the amplifier 51 and transferred to the speaker unit 30. Therefore, the speaker unit 40 is connected to only one of the external device 60 and the microphone unit 40, thereby preventing crosstalk.

In addition, in the present exemplary embodiment, the short range wireless communication module 50 is mounted on the extension unit 20. However, in some cases, the short range wireless communication module 50 may be mounted on the head mounting unit 10. Therefore, there is an advantage that the size and weight of the bone conduction speaker unit 30 is significantly reduced compared to the prior art. On the other hand, in the conventional headset equipped with a bone conduction speaker was connected to a separate amplifier by wire to hear the sound through the bone conduction speaker, because it was not completely wireless, the present invention bone conduction headset short-range wireless communication module ( 50), there is an advantage that can function as a complete wireless headset.

In addition, an elastic member may be provided inside the extension part 20, and the extension part 20 may be teleported from the head mounting part 10 so that the bone conduction speaker part 30 is located at both ears of the wearer. Is formed in a scope, the length of the extension 20 can be adjusted to suit the user's body shape, of course. In addition, the microphone 40 may be formed telescopically in the extension 20. In addition, the headset is a battery that can be used for a long time, such as a lithium polymer battery, the battery is provided in the head mounting portion 10 may be provided with a charging jack.

Looking at the process of listening to the external sound through the bone conduction headset of the present invention configured as described above, first, the voice of the wearer or the other party or the external sound is received through the microphone unit 40, and the received voice signal is the microphone unit ( 40 is converted into an electrical signal and amplified by the amplifier 51 is delivered to the bone conduction speaker unit 30. At this time, when the electrical signal is changed into a vibration signal by the bone conduction vibrator to vibrate the wearer's skull, the wearer recognizes the sound through this vibration. In addition, the wearer rotates the bone conduction speaker unit 30 to the ear, the vibration signal is transmitted to the eardrum, the wearer may recognize the sound.

In addition, the voice signal generated by the external device 60 is wirelessly transmitted, and the signal is received by the transceiver 53 of the headset and converted into the original voice signal through the data converter 52. The converted voice signal is amplified by the amplification unit 51 and delivered to the speaker unit 30. The voice signal is converted into a vibration signal by the bone conduction vibrator and vibrates the skull of the user. The sound generated by the external device 60 can be heard. The voice of the wearer collected through the microphone unit 40 is transmitted to the external device 60 through the short range wireless communication module 50. When the external device 60 is a mobile phone, the user's voice is the other party's voice. Is sent to.

On the other hand, Figure 5 is a perspective view showing another embodiment of the bone conduction headset according to the present invention, Figures 6 and 7 are a perspective view and a cross-sectional view showing the structure and coupling structure of the hinge portion, Figure 8 is the headset is folded 9 is a plan view showing the process, and FIG.

As shown, in the present embodiment, the wired headset is illustrated, and since its configuration is almost similar to that of the previous embodiment, only the parts different from the wireless headset will be described.

Since the wired headset is not equipped with the short range wireless communication module 50, the volume of the extension unit 20 is relatively small compared to the wireless headset. The extension part 20 includes a first extension part 21 and a second extension part 23, and the first extension part 21 includes a first hinge part 22 provided at the central part 11. The second extension part 23 is coupled to the second hinge part 24 provided in the first extension part 21.

The first hinge portion 22 is coupled to each end 12 of both ends of the central portion 11 and one end of the first extension portion 21 to be in close contact with each other. At this time, each end surface 12 is formed to be somewhat inclined with respect to the central axis (not shown) of the central portion 11 and the first extension portion 21, that is, both ends of the arc-shaped central portion 11 The inclined end surface 12 is inclined upward from the outer side to the inner side (in the direction of the center of the arc). One end surface of the first extension portion 21 is formed with an inclined end surface 12a which is in surface contact with the inclined end surface 12, so that the first extension portion 21 has a central portion at the first hinge portion 22. By rotating while making surface contact with 11, the 1st extension part 21 is folded so that the center part 11 may be approached. In addition, the inclined end surface 12a of one end of the first extension portion 21 is provided with a rotation shaft 26a perpendicular to the inclined end surface 12a, and the inclined end surface 12a on the top of the rotation shaft 26a. A locking piece 26 having a plurality of locking projections 27 formed in a direction parallel to the upper surface is provided to radially protrude from the rotation shaft 26a.

In addition, grooves 28 on which the engaging pieces 26 are positioned are formed at both end slopes 12 of the central portion 11, and an elastic stopper protruding by being supported by a spring or the like is provided on the inner wall of the groove 28. 29) is provided, in some cases the elastic stopper 29 may be made of an elastic material. At this time, the elastic stopper 29 is formed to be somewhat longer along the inner wall of the groove 28, it is formed to protrude gradually toward the center of the groove 28 from one side toward the other side. In addition, a plurality of separation preventing projections 28a are formed at the inlet side of the groove 28 to prevent the locking piece 27 from being separated from the groove 28.

On the other hand, the second hinge portion 24 has an inclined cross section is formed at the other end of each of the first extension portion 24 and the inclined cross section is formed at one end of the second extension portion 23, the cross section is mutually Made to be in close contact, it may be configured in the same manner as the first hinge portion (22).

Therefore, as the first extension part 21 or the second extension part 23 rotates, the locking protrusion 27 of the locking piece 26 is caught by the stopper 29 of the groove 28 several times. The first extension part 21 and the second extension part 23 may be rotated and fixed with respect to the central part 11 and the second extension part 23 with respect to the first extension part 21 at various angles. Accordingly, there is an advantage that can be adjusted according to the wearer's head shape and size. In this case, although the first hinge portion 22 and the second hinge portion 24 are all illustrated as being rotated, in some cases, only one of them may be rotated.

Meanwhile, in the present exemplary embodiment, the locking protrusion 27 is formed only on a part of the circumference of the locking piece 26, but in some cases, the locking protrusion 27 may be formed on the entire circumference of the locking piece 26. It is possible, of course, the locking projection 27 is possible in a variety of shapes that can be caught on the elastic stopper (29). In this embodiment, the locking piece 26 is formed on the inclined end face 12a of the first extension part 21, and the elastic stopper 29 is provided on the inclined end face 12 of the central part 11 coupled thereto. Although illustrated that the groove 28 is formed, the groove 28 is formed in the first extension portion 21, the locking piece 26 may be provided in the central portion 11, of course, the first extension portion The same applies to the structure of the second hinge portion 24 to which the 21 and the second extension portions 23 are coupled.

8 (a) shows a state in which the extension part 20 of the wired headset is unfolded, in which the wearer wears a headset. 8 (b) shows that the first and second extension parts 21 and 23 are rotated to be in close proximity to each other in the same plane with the central part 11 around the first hinge part 22. . In addition, FIG. 8C shows that the speaker unit 30 is rotated in the second extension unit 23. The speaker unit 30 is rotated to be closer to the second extension unit 23 so as to be more compact. You can make it. 8 (d) shows that the second extension part 24 and the speaker part 30 are rotated to be close to the center part 11 with respect to the second hinge part 24. Therefore, as shown in (d) of FIG. 8, the headset can be folded compactly and stored in a case of a predetermined size, so that the storage is easy as well as portable.

Meanwhile, although the first and second extension parts 21 and 23 and the first and second hinge parts 22 and 24 are formed in the wired headset, the present invention can be applied to the wireless headset as described above. to be. In this case, the wireless communication module 50 may be configured to be mounted on the central portion 11 and may also be folded compactly.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible within the scope without departing from the technical spirit of the present invention. It will be evident to those who have knowledge of.

As described above, according to the present invention, the bone conduction headset of the present invention is configured such that the bone conduction speaker portion coupled to the extension part disposed on the wearer's ear portion is rotated so as to be located at the wearer's skull and the ear, so that the wearer is not only in a bone conduction manner. But through the eardrum, you can hear the sound. Therefore, the hearing impaired people hear the sound in a bone conduction manner, the general people can hear the sound through the eardrum, there is an effect that can be used by consumers of various classes, away from using only a specific class in the prior art.

In addition, according to the present invention, a pair of extensions provided with a speaker portion of the headset can be rotated in close proximity to each other in the head mounting portion, it is possible to provide a bone conduction headset that is compactly folded and easy to store and carry. . In addition, the speaker is configured to be folded once more so that the speaker is provided inside the head-shaped portion of an arc shape, and thus, there is an effect that it is easier to store and carry. On the other hand, by constructing a stopper and a stopper that can adjust the rotation angle of the extension to the hinge portion formed so that the extension is rotatable, it is possible to provide a headset that can be used by a variety of people having different head sizes and shapes.

In addition, according to the present invention, by mounting a short-range wireless communication module in the headset, it is possible to conveniently listen to the sound generated from an external device, and equipped with an MP3 module to listen to music without an external device to perform a variety of functions in one headset It is possible to provide a bone conduction headset that can be implemented.

In addition, according to the present invention, by installing the short-range wireless communication module that has been concentrated in the speaker portion of the headset in the extension portion or the head mounting portion, the size and weight of the speaker portion is reduced compared to the conventional headset so as not to cover the wearer's ear. Therefore, the wearing feeling is excellent. On the other hand, the wearer can hear the sound generated from the outside through the eardrum and at the same time has the effect of listening to the music or the voice of the other party according to the near field communication method from the sound and communication device.

Claims (5)

A central portion 11 provided with first hinge portions 22 at both ends thereof, a pair of first extension portions 21 coupled to one side of the first hinge portion 22, and the first extension portion; A head mounting portion 10 which is composed of a pair of second extension portions 23 having one side coupled to the second hinge portion 24 provided on the other side of the head 21 or covered by a head; A pair of bone conduction speaker parts 30 rotatably coupled to the other side of the second extension part 23 and having a bone conduction vibrator therein, and the bone conduction speaker on one side of the head mounting part 10. It includes a microphone portion 40 provided spaced apart from the portion 30 or integrally formed with the bone conduction speaker portion 30, wherein the first hinge portion 22 is moved upward from the outer side of both ends of the central portion (11) The inclined end surface 12 and the inclined end surface 12a which are in surface contact with the inclined end surface 12 at one end of the inclined end surface 12 and the first extension portion 21 are closely coupled to each other, and the second hinge portion 24 is Bone conduction headset, characterized in that each end surface of the other end portion of the first extension portion 21 and one end portion of the second extension portion 23 is in close contact with each other. delete delete According to claim 1, wherein the first hinge portion 22 or the second hinge portion 24 is provided with a means for adjusting the rotation angle of the first extension portion 21 or the second extension portion 23, The adjusting means is provided on one side end surface of the first inclined end surface 12 of the first hinge portion 22 or the second hinge portion 24, and the locking piece 26 having a plurality of locking protrusions 27 protruding from the circumference thereof. And a groove 28 provided at the other end end surface 12a of the first hinge portion 22 or the other end surface of the second hinge portion 24 and into which the locking piece 26 is fitted. (28) is a bone conduction headset, characterized in that provided with an elastic stopper (29) is engaged with the locking projections 27 in accordance with the rotation of the first extension (21) or the second extension (23). According to claim 1 or claim 4, The first extension portion 21, the second extension portion 23 or the head mounting portion 10 is connected to the speaker unit 30 and the microphone unit 40 and the outside Bone conduction headset, characterized in that the short-range wireless communication module 50 and the amplification means is installed to transmit and receive with the device (60).

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