KR200289416Y1 - Necklace type Hands-Free - Google Patents

Abstract

The present invention relates to a necklace-type hands-free that prevents the sound generated by the speaker from leaking out of the body by installing a sealing chamber between the upper case and the lower case of the body incorporating the speaker and the microphone. The main configuration of the present invention is a body with a speaker and a microphone inside, a hollow earphone receiver that can be worn in the ear to hear the sound, a hollow first sound wave tube connecting the speaker and the earphone receiver, and one end to the microphone In the earphone of the necklace-type mobile phone which is connected to the other end of the hollow sound wave pipe and the second sound wave pipe is connected to one side of the first sound wave tube and a voice input hole for transmitting external sound to the microphone, A partition wall spaced apart from the microphone is formed in the body to prevent the sound of the speaker from flowing into the microphone, and the surface of the case in which the microphone is located is formed with pores for introducing external sound.

Description

Necklace type Hands-Free}

The present invention relates to a necklace-type hands-free, more specifically, by installing a sealing chamber between the upper case and the lower case of the body with the speaker and the microphone built-in to prevent the sound generated from the speaker to leak out of the body. Necklace-shaped hands-free.

In addition, the present invention relates to a necklace-type hands-free to prevent the twist of the necklace-type hands-free even if the phone is rotated by rotating the connection band of the necklace-type hands-free fastened to the mobile phone left and right.

In general, a mobile phone handsfree is connected to a mobile phone through a jack, and there are a fixed handsfree used in a vehicle, and a necklace type handsfree used on a neck. Among them, the necklace-type hands-free is most used because it is easy to use and carry, and its main component is a microphone of a talk function to deliver a talk to the other party, a earphone of a sign language function to receive a talk of the other party, and a jack connecting to a mobile phone Etc.

Meanwhile, a conventional earphone forms a magnetic field based on a change pattern of acoustic current around a moving coil built into the earphone, and the change of the magnetic field causes attraction and repulsion between the permanent magnet and the moving coil to vibrate the diaphragm. At this time, the vibration of the diaphragm changes the air pressure in the enclosed space, the change in the air pressure in the enclosed space generates a small wave in accordance with the change pattern of the acoustic current, the small wave is transmitted to the human ear.

However, such earphones for mobile phones are exposed to long-term exposure to electromagnetic waves such as magnetic fields through the speakers built into the earphones, and the earphones themselves have a built-in hard member such as permanent magnets and moving coils, making them inconvenient to wear or prolonged. There was a problem of feeling pain in the ears when worn.

In order to solve this problem, Korean Utility Model Registration No. 20-225472 installs the speaker 102 adjacent to the microphone without inserting the speaker 102 into the earphone as shown in FIG. 1, and installs the hollow connector from the speaker 102 in the hollow earphone. By connecting to the (103) to try to block the electromagnetic waves generated from the speaker (102). However, this hands-free has a problem that is easily separated from the mobile phone because it is connected to the mobile phone using the earphone jack (104).

In order to solve this problem, the Republic of Korea Utility Model Registration No. 20-242618 is to separate the speaker and the microphone from the human head as shown in Figure 2 embedded in the body 111, the speaker and the microphone from the earphone 113 and the voice It extends to the hollow tubes 112 and 114 to the input hole 115 to block electromagnetic waves, and connects the hollow tube 114 extending to the voice input hole 115 to the hollow tube extending to the earphone 113 to be used as a necklace type. To make it possible.

However, the Republic of Korea Utility Model No. 20-242618 is a problem that the sound from the speaker is easily emitted to the outside of the body because the body with the speaker and the microphone is not completely sealed and fastening to the mobile phone like a general necklace-type hands-free Since the sphere 117 is integrally attached to the body, when the phone is rotated, the body with the built-in speaker and microphone rotates in the same direction as the phone is rotated, so it is inconvenient to operate various buttons attached to the body. Hollow tubes acting as a necklace had the disadvantage of twisting each other. In addition, the call button in the center is protruding, so there is a problem that undesired click is made.

The present invention is to solve the above object, it is possible to rotate the connection band of the necklace-type hands-free fixing the mobile phone left and right to prevent the twist of the necklace-type hands-free even if the phone is rotated In necklace-type hands-free.

Another object of the present invention is to be spaced apart from the human head as far as possible, and to install a sealing chamber between the upper case and the lower case of the speaker and the microphone built-in body that generates electromagnetic waves inside the sound generated from the speaker to the outside of the body It is to provide a necklace-type hands-free to prevent leakage.

Still another object of the present invention is to provide a necklace-type hands-free which can be prevented from being easily clicked when inadvertently clicked by installing a call-free button of a hands-free which manipulates a call of a mobile phone.

1 is a perspective view of a conventional mobile phone earphone.

Figure 2 is a perspective view of a conventional necklace-type hands-free.

Figure 3 is an exploded perspective view of the necklace-type hands-free according to an embodiment of the present invention.

4 is an enlarged perspective view of main parts of FIG. 3;

Figure 5 is a body rear perspective view of the necklace-type hands-free according to an embodiment of the present invention.

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

1: Body 2: Lower Case

4: upper case 5,12: call button

6: seal 8: speaker

10: microphone 14: earphone jack

16: rotating joint 18: mobile phone connection band

20: fastener 22, 26: sound wave tube

24: earphone receiver 28: voice input hole

Necklace hands-free of the present invention for achieving the above object is a body consisting of an upper case and a lower case so that a speaker and a microphone therein, a hollow earphone receiver for listening to the ear wearing a speaker, a speaker and earphone The hollow first sound wave tube connecting the receiver and one end of the hollow second sound wave tube and the second sound wave tube connected to one side of the microphone and the other end connected to one side of the first sound wave tube are connected to the external sound. In the earphone for a necklace-type mobile phone made of a voice input hole to be transmitted to the microphone, a partition wall is formed inside the body to prevent the sound of the speaker from flowing into the microphone, and external sound is formed on the surface of the case where the microphone is located. It is characterized in that the incoming pores are formed.

In addition, a seal is mounted between the upper case and the lower case to prevent the sound of the speaker from leaking out of the body, and a partition is formed so that sound waves in the case are not transmitted to the microphone, and the microphone It is preferable to use a high density directional microphone.

In addition, one side is rotatably connected in the vertical direction to the lower end of the body and the other side is a rotary joint and the fastener is fastened to the mobile phone connection buckle to the end of the mobile phone connection band is rotatably attached to the left and right directions It is preferable.

In addition, by providing a hands-free call button concave, it is characterized in that it is prevented from being easily clicked in case of involuntary click.

Hereinafter, the necklace-type hands free according to the present invention will be described in detail with reference to the drawings.

3 is an exploded perspective view of the necklace-type hands-free according to an embodiment of the present invention, Figure 4 is an enlarged perspective view of the main portion of Figure 3, Figure 5 is a perspective view of the body of the necklace-type hands-free according to an embodiment of the present invention.

3 and 4, the body 1 of the necklace-type hands-free of the present invention is composed of an upper case 4 and a lower case 2 in which an accommodating space is formed, and the accommodating space includes a sound source received from a mobile phone. A speaker 8 for generating an audible sound and a microphone 10 for transmitting sound to a mobile phone are included. In particular, the edge of the upper case 4 and the lower case 2 is formed in a double, and the noise blocking material is inserted between the double edges to prevent the sound generated from the speaker 8 from propagating outside the body. .

Meanwhile, a partition 11 is formed in the accommodation space to prevent the sound generated from the speaker 8 from flowing into the microphone 10. Preferably, the partition 11 is formed of a double partition, and a noise blocking material (not shown) is formed between the partition and the partition. ) Can effectively block noise. On the other hand, on the surface of the case where the microphone 10 is located, a hole through which external sound flows into the microphone 10 is formed in the hole 13. The microphone 10 preferably uses a high-density directional microphone in order to effectively amplify the sound coming from the pore 13.

A sealing chamber 6 is provided between the upper case 4 and the lower case 2 to prevent the sound generated from the speaker 8 from leaking out of the body.

The upper one side of the body 1 is coupled to the hollow first sound wave tube 22 for transmitting the sound generated from the speaker 8 to the earphone receiver 24 worn on the user's ear, the user's voice microphone A hollow second sound wave tube 26 for delivery to 10 is coupled. A voice input hole 28 for receiving a voice of a user is formed at one central side of the second sound wave tube 26 connected to the microphone 10. Therefore, the sound generated by the speaker 8 is transmitted to the earphone receiver 24 along the hollow portion of the first sound wave tube 22 so that the user can receive it, and the user's voice received by the voice input hole 28 The amplification is transmitted to the microphone 10 along the hollow portion of the second sound wave tube 26. In particular, using the high-density directional microphone as the microphone 10 can effectively amplify the sound flowing from the hole 13 formed in the surface of the case where the microphone is located. Each of the sound wave pipes 22 and 26 connected to the body 1 or the microphone 10 may preferably use a plastic resin or a silicone material as a hollow form through which the inside of the sound wave tubes 22 and 26 are penetrated.

Meanwhile, the other end of the second sound wave tube 26 connected to the microphone 10 is movably attached to the first sound wave tube 22 connected to the earphone receiver 24 so as to use hands free as a necklace.

In addition, the call button 5 formed on the body 1 is mounted more concave than the surroundings to prevent the mobile phone from being called in a callable form by being clicked by an unconscious operation. In particular, if the projection is formed in the center of the concave, the user can consciously press the call button

Referring to FIG. 5, an earphone jack 14 extending from the speaker 8 and the microphone 10 in the body is extended to be connected to the earphone jack insertion hole of the mobile phone at the lower side of the body 1, and the body 1 ) Is connected to the rotary joint 16 which rotates in the up and down direction with respect to the body 1 in the lower center of the body, and the mobile phone which is rotatable in the left and right directions with respect to the rotary joint 16 in the lower part of the rotary joint 16. The connecting band 18 is mounted. A fastener 20 is inserted into the connection buckle of the mobile phone in the rear of the mobile phone connection band 18.

Hereinafter, the operation of the necklace-type hands free according to the present invention.

When the user hangs the hands free on the neck like a necklace, the fastener 20 mounted on the lower part of the connection band 18 extending from the body 1 is fastened to the connection buckle of the mobile phone so that the hands free and the mobile phone are not easily separated. Then, the earphone jack 14 is inserted into the jack insertion groove of the mobile phone to prepare for a call.

In this way, the lower center of the body 1 is connected to the rotary joint 16 which is rotated in the up and down direction with respect to the body 1, the lower side of the rotary joint 16 with respect to the rotary joint 16 left and right Mobile phone connection band 18 that is rotatable in the direction is mounted. The rear end of the mobile phone connection band 18 is provided with a fastener 20 is inserted into the connection buckle of the mobile phone. Therefore, when the mobile phone and the handsfree are fastened so that the front side of the mobile phone faces the front, the connection band 18 rotates left and right with respect to the rotary joint 16 even if the mobile phone rotates forward and backward. The sound wave pipes 22 and 26 are positioned so that they are always facing the front without being twisted with each other to facilitate hands-free operation.

On the other hand, when a call is received, the user can click the call button of the mobile phone or click the call button 5 in the center of the body 1 so as to transmit and receive via hands-free. The voice signal of the other party transmitted to the mobile phone is converted into sound in the speaker 8 and resonates inside the body 1, and passes through the hollow first sound wave tube 22 connected to the body 1 to the earphone receiver 24. Delivered to the user's ear. At this time, as shown in Figure 4, the call button 5 formed on the body (1) to switch the cell phone to a call state with a single click, the call button (5) than the surroundings because it is redialed by a double click The recessed installation prevents inadvertent clicks.

The user's voice is received by the voice input hole 28 formed on one side of the second sound wave tube 26, amplified by the microphone 10, and then converted into a voice signal and transmitted to the other party through a mobile phone. On the other hand, the part in which the microphone is located in the receiving space in the body is separated by the partition wall 11, since the hole 13 is formed outside the body where the microphone 10 is located, the sound converted by the speaker 8 is the microphone Without moving to (10), the external sound is transmitted to the microphone 10 through the hole 13 is converted into an acoustic signal. At this time, when the microphone 10 uses a high-density directional microphone, it is possible to effectively amplify the sound flowing from the pore 13.

In particular, by forming a double partition wall separating the microphone from the receiving space, and inserting the sound-blocking material between the partition walls can effectively prevent the sound from the microphone to flow into the microphone.

Although the preferred embodiments of the present invention have been described in detail above, those of ordinary skill in the art to which the present invention pertains may devise the present invention without departing from the spirit and scope of the present invention as defined in the appended claims. It will be appreciated that the present invention may be modified or modified as described above.

As described above, since the necklace-type hands-free according to the present invention rotates the connection band of the necklace-type hands-free fixing the mobile phone in the left and right directions, there is an advantage of preventing the twisting of the string even when the mobile phone is rotated.

In addition, a seal is installed between the upper case and the lower case of the body in which the electromagnetic wave is generated and the inside of the body in which the microphone is built, thereby preventing the sound generated from the speaker from leaking to the outside of the body. have.

In addition, the use of a micro-high-density directional microphone in which the sound generated from the speaker is built into the micro body between the speaker and the microphone inside the body has the advantage that can effectively amplify the bass sounds flowing from the outside of the body.

Claims (6)

A body consisting of an upper case and a lower case with a built-in speaker and a microphone, a call button mounted on one side of the body, a hollow earphone receiver for listening to sounds worn on the ear, and connecting the speaker and the earphone receiver. A hollow first sound wave tube, one end of which is connected to the microphone and the other end of which is formed on one side of the hollow second sound wave tube and the second sound wave tube connected to one side of the first sound wave tube, to external sound; In the normal necklace-type hands-free made of a voice input hole to transmit to a microphone, A barrier rib is formed inside the body to separate the microphone so as to prevent the sound of the speaker from flowing into the microphone, and a hole in which external sound is introduced is formed on the surface of the case in which the microphone is located. Hands free. 2. The necklace-shaped hands free of claim 1, wherein the microphone is a high density directional microphone. The necklace-shaped hands free of claim 1, wherein the barrier rib is formed in double and a noise blocking material is inserted between the barrier rib and the barrier rib. The necklace-type hands free of claim 1, wherein a seal is installed between the upper case and the lower case to prevent the sound of the speaker from leaking out of the body. The rotary joint of claim 1, wherein one side is rotatably connected to the lower end of the body in a vertical direction, and a mobile phone connection band is rotatably attached to the other side in a left and right direction. Necklace type hands-free characterized in that it is coupled to the end of the mobile phone connection band has a fastener fastened to the mobile phone connection buckle. The necklace-type hands free of claim 1, wherein the call button is more concave than the periphery of the body.