WO2016186344A1

WO2016186344A1 - Earset

Info

Publication number: WO2016186344A1
Application number: PCT/KR2016/004577
Authority: WO
Inventors: 신두식
Original assignee: 해보라 주식회사
Priority date: 2015-05-18
Filing date: 2016-05-02
Publication date: 2016-11-24
Also published as: KR101694706B1; KR20160135473A

Abstract

The present invention relates to an earset characterized by comprising: a case, which forms the exterior thereof, and which has a speaker containing groove formed thereon so as to contain a bone conduction speaker that outputs sound vibration to the user's skull; an earpad, which is mounted on an end of the case, which has a communication hole formed thereon so as to communicate with the user's external auditory meatus, and which is attached to/detached from the user's ear; and a soundproof housing contained in the case to be spaced from the speaker containing groove, a microphone input hole being formed on the soundproof housing so as to transfer sound, which is transferred from the user's ear to the communication hole of the earpad, to a microphone, and a microphone containing groove being formed on the soundproof housing so as to contain the microphone.

Description

Ear set

The present invention relates to an earset, and more particularly, to an earset having a bone conduction speaker.

In general, the earset is a voice transmission and reception device that combines an earphone (speaker) and a microphone (microphone), and is connected to an electronic device such as an MP3 player or a mobile phone by wire or wirelessly to transmit and receive sound, voice, and the like through a user's ear and mouth.

These earsets are largely classified into a separate type in which a speaker for transmitting sound is inserted into a user's ear and a microphone is located near a user's mouth, and an integrated type in which both a speaker and a microphone are inserted into an ear.

In the case of the detachable earset, the speaker and the microphone are separated from each other, and the user can freely listen to music and make a phone call while holding both hands freely. There is a problem that the sound is not delivered correctly because the is missing or the position of the microphone shakes.

On the other hand, the integrated earset is equipped with an ear pad inserted into the ear canal, the speaker and the microphone are both inserted into the ear, there is an advantage that can accurately deliver sound even in a noisy place compared to the detachable earset.

As a prior art of such an integrated earset, the applicant has filed an application filed on March 29, 2012, and is registered as December 12, 2013, is disclosed in Korean Patent Publication No. 10-1341308.

In this conventional earset, the speaker and the microphone are arranged side by side with respect to the axis of the ear pad. In addition, the conventional earset is composed of one speaker output hole for outputting the sound generated from the speaker in the front housing coupled to the front end of the rear housing in which the speaker and microphone are accommodated, and delivers the sound transmitted from the user's ear to the microphone It consists of a microphone input hole and a pair of backhauls. The speaker output hole, the microphone input hole, and the back hole are formed to be separated from each other independently.

However, the conventional earset has a problem in that the speaker and the microphone are arranged in close proximity to the same housing or the proximity housing, the echo phenomenon and howling phenomenon occurs. In addition, the conventional earset is limited in the size of the microphone and speaker, the degree of freedom of product design is limited, the volume of the microphone is reduced, it is difficult to deliver a clear voice to the other party, the output of the speaker is also reduced to listen to high-quality music There is a difficult problem.

The present invention is to solve the above problems, and to prevent the echo phenomenon and howling phenomenon caused by the inflow of the sound output from the microphone to the microphone, free design of the product can be freely regardless of the size of the speaker and microphone, It is an object of the present invention to provide an ear set capable of increasing microphone volume and improving microphone sensitivity, and listening to high quality music.

An object of the present invention, the case is formed, the case is formed with a speaker receiving groove for receiving the bone conduction speaker for outputting sound vibrations to the user's head bone; An ear pad mounted to one end of the case and forming a communication hole communicating with the ear canal of the user and detachable from the ear of the user; And a microphone input hole accommodated in the case so as to be spaced apart from the speaker accommodating groove, the microphone input hole for transferring a sound transmitted from a user's ear to the communication hole of the ear pad, and a microphone accommodating groove into which the microphone is accommodated. Can be achieved by an earset.

Here, the at least one backhaul provided in the soundproof housing to communicate with the communication hole of the ear pad, and transmits a part of the sound transmitted from the user's ear to the communication hole of the ear pad to the back of the microphone housed in the microphone receiving groove. It may further include.

The soundproof housing may be detachably coupled to the front housing and the rear housing, the microphone input hole may be formed in the front housing, and the microphone accommodation groove may be formed in the rear housing.

The backhaul may include at least one first backhaul formed in the front housing to be spaced apart from the microphone input hole; And at least one second backhaul partially recessed in the inner circumference of the microphone accommodating groove to communicate with the first backhaul.

The case may include a front case including a housing accommodating portion in which the soundproof housing is accommodated, and a protrusion in which the ear pads are coupled; An intermediate case coupled to the front case to seal the housing accommodating portion of the front case, the fracture case also having a speaker receiving groove; And a rear case disposed to face the front case with the intermediate case therebetween.

According to the present invention, by adopting a bone conduction speaker, the speaker and the microphone are placed separately in the case and the soundproof housing accommodated in the case, thereby preventing echo and howling due to the inflow of sound output from the speaker, and Regardless of the size of the microphone, the product can be freely designed, the volume of the microphone can be increased to improve the microphone sensitivity, and high-quality music can be listened to.

1 is a perspective view of an ear set according to a first embodiment of the present invention;

2 is a front view of FIG. 1,

3 is a longitudinal cross-sectional view of FIG.

4 is an exploded perspective view of FIG. 1;

5 is a perspective view of an ear set according to a second embodiment of the present invention;

6 is a front view of FIG. 5;

7 is a longitudinal sectional view of FIG. 6;

8 is an exploded perspective view of FIG. 5.

Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

Prior to the description, the earset in the following description refers to a mechanism in which the speaker and the microphone are integrally inserted and inserted into the ear. It should be noted that it can be applied to binary CDMA headsets, voice search or voice control headsets.

In addition, in the various embodiments, components having the same configuration will be described in the first embodiment by using the same reference numerals, and in other embodiments, only the configuration different from the first embodiment will be described.

1 to 6 show an ear set according to the first embodiment of the present invention. As shown in these drawings, the ear set 1 according to the first embodiment of the present invention includes a case 10, an ear pad 50, and a soundproof housing 60.

The case 10 forms the overall appearance of the ear set 1. The case 10 has a housing accommodating portion 35 for accommodating the soundproof housing 60 therein and a protrusion 45 to which the ear pad 50 is coupled. The case 10 includes a rear case 11, an intermediate case 15, and a front case 31.

The rear case 11 is a portion that forms an appearance behind the asset 1 and is disposed to face the front case 31 with the intermediate case 15 interposed therebetween, and is coupled to the rear end of the intermediate case 15. .

A cover 17 is formed at one side of the intermediate case 15 to seal the housing accommodating portion 35 of the front case 31 to be described later, and the speaker accommodating groove 19 is recessed at the other side of the intermediate case 15. Formed. The intermediate case 15 is coupled to the rear end of the front case 31 to seal the housing accommodating portion 35 of the front case 31.

On the other hand, the speaker receiving groove 19 is housed in the bone conduction speaker 25 for outputting sound vibration to the user's head bone. The bone conduction speaker 25 is accommodated in the speaker accommodating groove 19 so as to be in contact with the user's head bone. As a result, the user can listen to the sound transmitted from the external device through the bone conduction speaker 25 without harming the surrounding people.

On the other hand, the rear case 11 and the intermediate case 15 is fitted while maintaining the airtight. Although not shown, a fitting jaw is formed on the outer circumference of the end of the rear case 11 facing the middle case 15, and the rear case 11 is formed on the inner circumference of the end of the middle case 15 facing the rear case 11. By forming a fitting groove that is fitted with the fitting jaw of the), the rear case 11 and the intermediate case 15 may be coupled to each other.

The front case 31 is a portion inserted into the external auditory meatus (not shown) of the user and is combined with the middle case 15 and the rear case 11 to form the overall case 10.

The front case 31 has a hollow truncated cone shape as a whole,

front case bodies

33 and 33 detachably coupled to the intermediate case 15, and one end of the

front case bodies

33 and 33 to be inserted into the ear. And a protrusion 45 protruding from the portion to a predetermined length.

Inside the front case body 33, a housing accommodating portion 35 in which the soundproof housing 60 is accommodated is formed. In addition, a partition wall 37 that shields the inside of the front case 31 is formed inside the front case main body 33. The partition wall 37 communicates with the microphone input hole communicating hole 39 which communicates with the microphone input hole 65 of the soundproof housing 60 which will be described later, and the first back hole 67 of the soundproof housing 60 which will be described later. A pair of back hole communication holes 41 are formed. Here, the front case body 33 and the protrusion 45 may be integrally formed to have one large hole therethrough.

On the other hand, the intermediate case 15 and the front case 31 is fitted while maintaining the airtight. Although not shown, a fitting jaw is formed on the outer circumference of the end of the intermediate case 15 facing the front case 31, and the intermediate case 15 is formed on the inner circumference of the end of the front case 31 facing the intermediate case 15. By forming a fitting groove that is fitted with the fitting jaw of the), the intermediate case 15 and the front case 31 can be coupled to each other.

The ear pad 50 is mounted on the protrusion 45 of the front case 31 and forms a communication hole 53 for the ear pad which communicates with the external auditory meatus of the user and allows the front case 31 to be easily inserted into the ear. . The ear pad 50 is made of any one material of silicone, synthetic resin, and rubber, which are elastically deformable to be elastically close to the user's ear canal.

The ear pad 50 includes an ear pad body 51 and a plurality of treads 55.

The ear pad body 51 has, for example, a truncated semicircular cross-sectional shape in which the tip portion is partially cut to facilitate insertion into the ear canal. The ear pad body 51 is coupled to the protrusion 45 of the front case 31, the inside of the ear pad body 51, the communication hole 39 for the microphone input hole of the front case 31 and a pair of bags An ear pad communication hole 53 communicating with the hole communication hole 41 is formed. Ear pad communication hole 53 transmits the sound transmitted from the user's ear to the microphone (75). Here, the ear pad body 51 is shown as having a truncated semi-circular cross-sectional shape, but is not limited thereto, and may have a truncated elliptical cross-sectional shape.

The plurality of treads 55 have a ring shape, and are formed at intervals on the outer circumferential surface of the opposite end of the tip portion of the ear pad body 51. The plurality of treads 55 have an inclined portion 57 inclined downward toward the insertion direction of the ear canal with respect to the axis of the communication pad 53 for the ear pads of the ear pad body 51. Thus, the tread 55 has a triangular cross-sectional shape as a whole. As a result, the ear pad 50 is smoothly inserted into the ear canal, and movement is suppressed by friction between the tread 55 and the inner wall of the ear canal, thereby providing a comfortable and stable fit.

In addition, the plurality of treads 55 has a cross-sectional shape in which the outer diameter gradually increases as it faces the case 10. That is, the plurality of treads 55 has a cross-sectional shape that is gradually enlarged in the direction opposite to the insertion into the ear canal. As a result, when the ear set 1 is attached to the ear canal, the adhesion between the tread 55 and the inner wall of the external ear canal of the user can be further improved, and the external noise can be shielded from entering the ear canal, and the size of the ear canal Regardless, the ear pad 50 can be worn, thereby increasing user convenience.

Here, the cross-sectional shape of the tread 55 may have various cross-sectional shapes in addition to the triangle. In addition, the plurality of treads 55 may have the same outer diameter.

On the other hand, the soundproof housing 60 is accommodated in the case 10, and transmits the sound transmitted to the ear pad 50 from the user's ear to the microphone (75). In addition, the soundproof housing 60 blocks external noise from flowing through the front case 31, the middle case 15, or the rear case 11, and reduces the generation of vibration noise by the microphone 75 to reduce sound quality. To improve.

The soundproof housing 60 is accommodated in the case 10 in a form in which the front housing 61 facing the ear pad 50 and the rear housing 71 facing the rear case 11 are combined. For example, it is accommodated in the housing accommodating portion 35 of the front case 31.

The front housing 61 may be accommodated in the housing accommodating part 35 of the front case 31, and may be protruded toward the inside of the protrusion 45 of the front case 31. For example, the front housing 61 is formed with an insertion protrusion 63 corresponding to the inner cross-sectional shape of the protrusion 45 of the front case 31. The insertion protrusion 63 is easily inserted into the protrusion 45 of the front case 31 and is closely coupled to the insertion protrusion 63. Therefore, an echo phenomenon occurs due to the front housing 61 being not in close contact with the front case 31 and not assembled. Can be prevented. The free end of the insertion protrusion 63 is in close contact with the partition wall 37 of the front case 31,

In addition, the front housing 61 has a microphone input hole 65 through which the sound transmitted from the user's ear to the communication hole 53 for the ear pads of the ear pad 50 is transmitted to the microphone 75. The microphone input hole 65 communicates with the communication hole 39 for the microphone input hole of the partition 37 and has a shape in which a cross-sectional area is gradually increased toward the rear housing 71.

In addition, the front housing 61 has a pair of first backhauls 67 which transmit a portion of the sound transmitted from the user's ear to the ear pad communication hole 53 of the ear pad 50 to the rear surface of the microphone 75. ) Is formed. The pair of first back holes 67 are spaced apart from the microphone input hole 65 and communicate with the pair of back holes communicating holes 41 of the partition wall 37. Here, the first back hole 67 may have the same diameter as the back hole communication hole 41.

The rear housing 71 is coupled to one end of the front housing 61 to block the rear of the front housing 61 and is accommodated in the housing accommodating portion 35 of the front case 31.

The rear housing 71 communicates with the microphone input hole 65 and includes a microphone accommodating groove 73 in which the microphone 75 is housed, and a part of the sound transmitted from the user's ear to the ear pad communicating hole 53. A pair of second backhaul 77 is provided to the back of the microphone 75 accommodated in the receiving groove 73.

The microphone housing groove 73 is provided at one side of the rear housing 71 facing the front housing 61, and the microphone housing groove 73 has a diameter corresponding to the diameter of the microphone 75 and is recessed to a predetermined depth. have.

The pair of second back holes 77 are recessed in the inner circumference of the microphone accommodating groove 73. The second backhaul 77 communicates with the bottom of the microphone accommodating groove 73 to transmit the sound flowing into the first backhaul 67 to the rear surface of the microphone 75 accommodated in the microphone accommodating groove 73. Here, in the present exemplary embodiment, the first backhaul 67 and the second backhaul 77 are illustrated as being provided in pairs, but the present invention is not limited thereto, and the first backhaul 67 and the second backhaul 77 are not limited thereto. One or more may be provided. In addition, the back holes 67 and 77 may have various cross-sectional shapes instead of circular cross-sectional shapes.

On the other hand, the soundproof housing 60 is preferably made of a sound absorbing material, plastic, rubber, silicone, etc. to facilitate assembly, to block noise from the outside, and to effectively transmit the sound signal transmitted and received from the inside to the user's external auditory meatus.

As a result, the bone conduction speaker 25 is accommodated in the speaker receiving groove 19 of the intermediate case 15, and the microphone 75 accommodated in the soundproof housing 60 is the housing accommodating portion 35 of the front case 31. The earset 1 according to the present invention is accommodated in the bone conduction speaker 25 and the microphone 75 are separately spaced apart from each other without being housed in the same housing.

Here, unexplained reference numeral 85 denotes a microphone cable hole through which the microphone cable 87 passes. The microphone cable hole 85 is formed through the middle case 15 and the rear housing 71, and is connected to the microphone 75 housed in the microphone accommodation groove 73 of the rear housing 71. ) Pass. The microphone cable hole 85 is sealed in the intermediate case 15 and the rear housing 71 with an adhesive or the like, thereby preventing external noise from entering. In addition, reference numeral 83 denotes a cable for a speaker connected to the bone conduction speaker 25, and reference numeral 89 denotes a cable in which the speaker cable 83 and the microphone cable 87 are integrally provided.

By this configuration, the ear pad 1 according to the first embodiment of the present invention, the ear pad 50 is coupled to the protrusion 45 of the front case 31 of the case 10, the middle of the case 15 It has a structure in which the soundproof housing 60 is accommodated.

Then, one side of the intermediate case 15 is housed so that the bone conduction speaker 25 is exposed, the other side of the intermediate case 15 is housed in the soundproof housing 60 for receiving the microphone 75.

In addition, a microphone input hole 65 and a first back hole 67 are formed in the front housing 61 of the soundproof housing 60, and a microphone accommodating groove 73 is formed in the rear housing 71. The second back hole 77 is formed along the inner circumference of the accommodation groove 73.

Thus, the acoustic signal provided from the external device is converted through the bone conduction speaker 25 accommodated in the speaker receiving groove 19 of the intermediate case 15, and is output as sound vibration to the user's head bone.

In addition, the sound transmitted from the user's ear is transmitted to the microphone 75 through the microphone communication hole 39 and the microphone input hole 65 through the ear pad communication hole 53 of the ear pad 50. At the same time, it is transmitted to the back of the microphone 75 via the back hole communication hole 41, the first back hole 67, and the second back hole 77, and the microphone 75 converts the electric signal into an external device. .

As described above, the ear set 1 according to the first embodiment of the present invention employs the bone conduction speaker 25, so that the intermediate case 15 and the microphone 25 and the microphone 75 are not housed in the same housing, respectively. After accommodating the front case 31 independently, that is, the microphone 75 is accommodated in the soundproof housing 60, the soundproof housing 60 is accommodated in the housing of the front case 31 spaced apart from the speaker accommodating groove 19. Housed in the unit 35 and the bone conduction speaker 25 is housed in the speaker receiving groove 19 of the intermediate case 15, whereby the user of the earset 1 is outputted from the bone conduction speaker 25 when talking to the other party. It is possible to prevent the echo phenomenon and the howling phenomenon caused by the sound input to the microphone 75. In addition, regardless of the size of the speaker 25 and the microphone 75, the ear set 1 can be freely designed, and the microphone sensitivity can be improved by increasing the volume introduced into the microphone 75. In addition, the size of the bone conduction speaker 25 can be increased, and high-quality music can be listened to.

7 to 12 show an ear set according to a second embodiment of the present invention. As shown in these figures, unlike the first embodiment described above, the ear set 1 'according to the second embodiment of the present invention is a battery between the middle case 15 and the rear case 11 of the case 10. 91 has the form of an accepted Bluetooth.

The battery 91 serves to supply power to the microphone 75.

In addition, the back surface of the battery 91 is provided with a printed circuit board 93 for controlling the operation of the bone conduction speaker 25 and the microphone 75, the bone conduction speaker 25 on one side of the rear case (11). And an operation switch 95 for operating the operation of the microphone 75. The rear case 11 may be provided with a charging terminal (not shown) for supplying power to the battery 91.

With this configuration, the ear set 1 'according to the second embodiment of the present invention is also sounded from the bone conduction speaker 25 when the user of the ear set 1' talks with the other party as in the first embodiment. This prevents echo and howling in the microphone 75, and allows the design of the ear set 1 'freely regardless of the size of the speaker 25 and the microphone 75, and flows into the microphone 75. Increasing the volume can improve microphone sensitivity, allowing you to listen to high quality music.

Claims

A case in which a speaker accommodating groove is formed in which a bone conduction speaker for outputting sound vibrations is formed on a user's head bone;

An ear pad mounted to one end of the case and forming a communication hole communicating with the ear canal of the user and detachable from the ear of the user; And

A microphone input hole accommodated in the case so as to be spaced apart from the speaker accommodation groove, the microphone input hole for transmitting a sound transmitted from the user's ear to the communication hole of the ear pad, and a microphone housing groove in which the microphone is accommodated; , Earset.
The method of claim 1,

One or more backhaul provided in the soundproof housing so as to communicate with the communication hole of the ear pad, and transmits a portion of the sound transmitted from the user's ear to the communication hole of the ear pad to the back of the microphone housed in the microphone receiving groove. Earpiece.
The method of claim 2,

The soundproof housing is detachably coupled to the front housing and the rear housing,

The microphone has an input hole formed in the front housing, and the microphone housing groove is formed in the rear housing.
The method of claim 3,

The backhaul,

At least one first back hole formed in the front housing to be spaced apart from the microphone input hole; And

And at least one second backhaul partially recessed in the inner circumference of the microphone receiving groove to communicate with the first backhaul.
The method of claim 1,

The case,

A front case having a housing accommodating portion for accommodating the soundproof housing and a protrusion for engaging the ear pads;

An intermediate case coupled to the front case to seal the housing accommodating portion of the front case, the fracture case also having a speaker receiving groove; And

And a rear case disposed opposite the front case with the intermediate case interposed therebetween.