JP3232029U - Ear-hook wireless headset - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an ear-hook type wireless headset having high headset quality including voice call performance, wearing stability, and fall prevention function. An ear-hook type wireless headset 10 includes a housing 20 containing electrical and electronic components, a curved ear hook 30, an earphone 40, and a microphone 50. One end of the ear hook 30 is rotatably attached to the housing 20, and the other end rotates along the outer circumference of the auricle 2 of the user 1 and is hung on the outer circumference of the auricle 2. The earphone 40 is projected from the housing 20 to convert an audio signal into a sound wave and introduce it into the ear canal 3. Further, one end of the microphone 50 is detachably inserted into and detachable from the housing 20, and the other end is arranged near the mouth 4 of the user 1 to convert sound waves emitted from the mouth 4 into an audio signal. is there. [Selection diagram] Fig. 1

Description

The present invention relates to an ear-hook type wireless headset equipped with earphones and a microphone for wirelessly connecting to an external device such as a mobile phone or a personal computer to transmit and receive voice.

Conventionally, for example, Patent Documents 1 and 2 disclose a technique for an ear-hook type wireless headset.

In Patent Document 1, a headset body and its head, which incorporate a speaker and a wireless transmission / reception circuit unit (for example, a Bluetooth module that performs short-range wireless communication) and are applied so that the sound emitting portion of the speaker covers the ear canal. An ear-hook type wireless headset having an ear hook, which is a detachable elastic arm portion that holds the headset body by being formed so as to protrude from the set body in a substantially arc shape and is engaged with the earpiece, is disclosed. Has been done. The tip of the ear hook extends close to the mouth when it is hung on the pinna, and the ear hook is a speaker by incorporating a detachable microphone connected to the wireless transmission / reception circuit inside the tip. The distance between the and is maintained to improve the acoustic characteristics.

Patent Document 2 discloses an ear-hook type wireless headset in which a microphone is built in the headset body, and an earphone provided in the headset body is fitted into an inner recessed portion of the auricle. The shape of the ear hook, which is an ear hook, is eccentric with respect to the earphone along the shape of the base of the pinna, and is formed so that the thickness increases from the upper part to the lower part of the base of the pinna. And, when wearing it on the ear, the ear hook that contacts the base of the auricle and the inner type earphone sandwich the auricle, so the tilt and wobbling of the headset body when wearing it is suppressed and the wearing stability is improved. I'm letting you.

As described above, in recent years, the number of wireless earphones utilizing Bluetooth technology is increasing in the earphone market. In addition, due to the demand of the market for smaller size and lighter weight, the number of completely wireless stereo (True Wireless Stereo, hereinafter referred to as "TWS") type earphones is increasing. On the other hand, with the spread of the new coronavirus, the flow of corporate telework promotion is rapidly expanding.

Japanese Unexamined Patent Publication No. 2005-277995 Japanese Unexamined Patent Publication No. 2005-328118

The ear-hook type wireless headsets of Patent Documents 1 and 2 have the following problems (a) and (b).

(A) In the ear-hook type wireless headset of Patent Document 1, a microphone is built in the tip of the ear hook that hangs on the outer circumference of the pinna, so that the ear hook does not get in the way when worn on the ear. Ear hooks cannot be made too long. Therefore, since the microphone built in the tip of the ear hook is separated from the mouth, ambient noise is also collected and the voice call is hindered. During use, the sound emitting part of the speaker provided on the headset body is applied so as to cover the ear canal, so sound leakage occurs, and the headset body tilts and wobbles when worn, resulting in wearing stability. Lacking. Many TWS earphones equipped with a microphone call function are also on the market, but since the left and right earphones are independent of the TWS earphones, accidents such as dropping them outdoors such as on the platform of a station are constantly occurring in society. It is a problem.

(B) In the ear-hook type wireless headset of Patent Document 2, since the microphone is built in the headset body and the microphone is away from the mouth, the sound collecting performance of the microphone is insufficient for a clear voice call. Is.
As described above, it has been difficult to realize an ear-hook type wireless headset with high headset quality including voice call performance, wearing stability, and fall prevention function with the conventional ear-hook type wireless headset.

The ear-hook type wireless headset of the present invention includes a wireless transmission / reception unit (for example, composed of a Bluetooth transmitter / receiver) that wirelessly transmits / receives audio signals, and an audio signal processing unit that performs processing such as amplification and noise removal of the audio signal. , And a housing containing electrical and electronic components including a power supply battery, and one end rotatably attached to the housing and the other end rotating along the outer circumference of the user's earphone. A curved ear hook that is hung on the outer circumference of the device and an earphone (for example, a canal type or the like) that is projected from the housing and converts the audio signal processed by the audio signal processing unit into sound waves and introduced into the external auditory canal. (Earphone) and one end are removably inserted into the housing, the other end is arranged near the mouth of the user, the sound wave emitted from the mouth is converted into an audio signal, and the sound wave is converted into an audio signal and passed through the audio signal processing unit. It is characterized by having a microphone for sending to the wireless transmission / reception unit.

According to the present invention, since one end of the ear hook is rotatably attached to the housing, the other end of the ear hook is opened and the tip of the earphone (for example, the ear piece) is inserted into the ear canal when wearing the ear hook. Later, by closing the other end of the ear hook along the outer circumference of the pinna, the left and right independent wireless headsets can be stably held in the pinna. As a result, the wearability is improved and it is possible to prevent the product from falling. Moreover, when one end of the microphone is detachably inserted into the housing, the other end of the microphone is arranged near the user's mouth, so that a clear and good voice call can be made. Therefore, it is possible to provide an ear-hook type wireless headset with high headset quality including voice call performance, wearing stability, and fall prevention function.

The figure which shows the appearance of the ear hook type wireless headset in Example 1 of this invention. External view showing the state when the microphone in FIG. 1 is removed. Enlarged view when the microphone in FIG. 1 (c) is removed Partial notched cross-sectional view of FIG. 3A viewed from the right side Enlarged view of the appearance of the wireless headset in FIG. Enlarged view showing the appearance of the microphone in FIG.

The embodiments for carrying out the present invention will become clear when the following description of preferred embodiments is read in light of the accompanying drawings. However, the drawings are for explanation purposes only and do not limit the scope of the present invention.

(Structure of Example 1)
1 (a), (b), and (c) are diagrams showing the appearance of the ear-hook type wireless headset according to the first embodiment of the present invention, and FIG. 1 (a) is a diagram showing a wearing state when used. , (B) is a front view of the wireless headset in FIG. (A), and FIG. (C) is a left side view of FIG. (B). 2 (a), (b), and (c) are external views showing the state when the microphone in FIG. 1 is removed, and FIG. 2 (a) is a view showing the state of wearing the microphone with the microphone removed. (B) is a front view of the wireless headset with the microphone separated, and FIG. 3C is a view in which the ear hook of FIG. 3B is opened. 3 (a) and 3 (b) are enlarged views when the microphone in FIG. 1 (c) is removed, FIG. 3 (a) is an external view, and FIG. It is a partial notch sectional view. FIG. 4 is a partially cutaway sectional view of FIG. 3A viewed from the right side. 5 (a) and 5 (b) are enlarged views of the appearance of the wireless headset of FIG. 2, FIG. 5 (a) is a front view when the ear hook is closed, and FIG. 5 (b) is the same figure ( It is a rear view of a). Further, FIG. 6 is an enlarged view showing the appearance of the microphone in FIG.

In FIGS. 1 to 6, the ear-hook type wireless headset 10 of the first embodiment, which is attached to the earphone 2 of the user 1, is a wireless transmission / reception unit that wirelessly transmits / receives audio signals, and amplifies the audio signals. A housing 20 that houses an audio signal processing unit that performs processing such as noise removal, and electrical and electronic components including a battery for power supply, and one end that is rotatably attached to the housing 20 and the other end. A curved ear hook 30 that rotates along the outer circumference of the earphone 2 of the user 1 and is hung on the outer circumference of the earphone 2, and a sound wave that is projected from the housing 20 and processed by the voice signal processing unit. An earphone (for example, a canal type earphone) 40 that converts a signal into a sound wave and introduces it into the external auditory canal 3 and one end are removably inserted into the housing 20 and the other end is arranged near the mouth 4 of the user 1. It has a microphone 50 that converts a sound wave emitted from the mouth 4 into an audio signal and sends it to the radio transmission / reception unit through the audio signal processing unit.

The housing 20 has a substantially rectangular parallelepiped shape, and the printed circuit board 21 is housed therein. The printed circuit board 21 is equipped with an electric / electronic component 22 including a wireless transmission / reception unit, an audio signal processing unit, and a battery. The wireless transmitter / receiver is composed of, for example, a Bluetooth transmitter / receiver. An operation button 23 connected to the printed circuit board 21 is provided at one end on the front side of the housing 20. The operation button 23 is a push button switch that switches the battery on / off, adjusts the volume, and the like. An operation indicator lamp 24 such as a light emitting diode (LED) indicating an operating state is provided substantially in the center of the front side of the housing 20. A built-in voice microphone 25 is provided at the other end of the housing 20 on the front side.

Inside the other end of the housing 20, a rotating shaft 31 for rotatably attaching the ear hook 30 is provided. One end 30a of the curved ear hook 30 is attached to the rotating shaft 31, and the other end 30b of the ear hook 30 rotates along the outer circumference of the auricle 2 of the user 1 of the auricle 2. It is configured to be hung on the outer circumference. In FIGS. 1 (b) and 5 (b), the other end 30b of the ear hook 30 is designed to manually rotate from the position of the broken line to the position of the solid line, and when attached to the pinna 2, the ear hook 30 is attached. The other end 30b of the ear hook 30 is opened to the position of the broken line, the tip of the canal type earphone 40 is inserted into the ear canal 3, and then the other end 30b is closed to the position of the solid line to stabilize the left and right independent wireless headsets 10. It is configured so that it can be held in the auricle 2 in a shaped shape.

In FIG. 3 and the like, a canal type earphone 40 is projected from one end of the housing 20 on the back surface side. The canal type earphone 40 has a driver unit 41 that protrudes substantially vertically from one end on the back side of the housing 20. The driver unit 41 converts an audio signal that has been amplified or noise-removed by the audio signal processing unit in the electrical / electronic component 22 into sound waves. Although not shown, the driver unit 41 uses a magnet, a voice coil, and a diaphragm. It is configured. A diaphragm having a voice coil is arranged in a magnetic circuit composed of magnets, and when an audio signal is input to the voice coil, the diaphragm vibrates to generate sound waves. A cylindrical sound guide portion 42 is inclined and projected on the front side of the driver unit 41. The sound guide portion 42 transmits (derives) sound waves generated from the diaphragm in a predetermined direction, and projects in an inclined manner from the front side of the driver unit 41 in response to the inclination of the ear canal 3. An earpiece 43 is detachably attached to the outer periphery of the sound guide portion 42. The earpiece 43 is inserted into the ear canal 3 and is formed in a substantially umbrella shape by a soft resin such as silicone rubber.

In FIG. 4, a jack 26 for freely inserting and removing the microphone 50 is provided at one end on the side surface side of the housing 20. The jack 26 is connected to a signal processing unit or the like in the electrical / electronic component 22. Two support holes 27 and 28 for supporting the microphone 50 inserted into the jack 26 are formed in the vicinity of both sides of the jack 26.

In FIG. 6, the microphone 50 has a rod-shaped arm 51, and a plug 52 such as a small single-headed plug to be inserted into a jack 26 on the housing 20 side is provided at one end of the arm 51. Two support protrusions 53, 54 for inserting into the two support holes 27, 28 on the jack 26 side are provided in the vicinity of both sides of the plug 52. In the arm 51, a plurality of lead wires 55 connected to the plug 52 extend to the other end of the arm 51. A sound collecting portion 56 connected to the lead wire 55 is provided at the other end of the arm 51. The sound collecting unit 56 converts the sound wave emitted from the mouth 4 of the user 1 into an audio signal and sends it to the plug 52 through the lead wire 55.

(How to use Example 1)
In FIG. 1, when the wireless headset 10 to which the microphone 50 is inserted is used for one ear for monaural reproduction, the user 1 opens the ear hook 30 to the position of the broken line at the time of wearing the wireless headset 10 to the earphone 40. After inserting the earpiece 43 into the ear canal 3, the earhook 30 is closed to the solid line position. As a result, the ear hook 30 is hung on the outer circumference of the auricle 2 and is held by the auricle 2 in a stable manner, and the sound collecting portion 56 at the other end of the microphone 50 is arranged near the mouth 4. When the wireless headset 10 is used for both ears for stereo reproduction, another wireless headset 10 from which the microphone 50 has been removed is prepared in FIG. 2, and as shown in FIG. 2 (c), ear hooks are used. 30 is opened, the earpiece 43 of the earphone 40 is inserted into the other ear canal 3, and then the earhook 30 is closed as shown in FIG. 2B. As a result, the ear hook 30 is hung on the outer circumference of the other auricle 2 and is held by the other auricle 2 in a stable manner.

When performing short-range wireless communication with an external device such as a mobile phone or a personal computer, the operation button 23 of the wireless headset 10 is pressed to turn on the battery power in the electric / electronic component 22. Then, the operation indicator lamp 24 is turned on. The audio signal arriving from the external device by wireless communication is received by the wireless transmission / reception unit in the electrical / electronic component 22 housed in the housing 20, and the audio signal processing unit performs processing such as amplification and noise removal. The processed audio signal is converted into sound waves by the driver unit 41 in the earphone 40, and is sent from the earpiece 43 to the eardrum in the ear canal 3 through the sound guide portion 42.

On the other hand, the sound wave emitted from the mouth 4 is converted into an audio signal by the sound collecting unit 56 of the microphone 50, and sent from the plug 52 to the jack 26 on the housing 20 side through the lead wire 55 in the arm 51. The audio signal sent to the jack 26 is amplified and noise-removed by the audio signal processing unit in the electrical / electronic component 22 housed in the housing 20, and then wirelessly transmitted from the wireless transmission / reception unit to an external device. Will be sent to. As a result, wireless voice communication can be performed with an external device.

(Effect of Example 1)
According to the first embodiment, the following effects (1) to (3) are obtained.

(1) Since one end 30a of the ear hook 30 is rotatably attached to the rotating shaft 31 on the housing 20 side, the other end 30b of the ear hook 30 is opened to open the earpiece when wearing the wireless headset 10. After inserting the 43 into the ear canal 3, the other end 30b of the ear hook 30 is closed along the outer circumference of the auricle 2, so that the left and right independent wireless headsets 10 can be held in the auricle 2 in a stable manner. As a result, the wearability is improved and it is possible to prevent the product from falling.

(2) When the plug 52 at one end of the microphone 50 is inserted into the jack 26 on the housing 20 side, the sound collecting portion 56 at the other end of the microphone 50 is arranged near the mouth 4 of the user 1, so that the microphone 50 is cleared. Enables good voice calls.

(3) When the microphone 50 is not used, the plug 52 at one end thereof may be pulled out from the jack 26 on the housing 20 side. As a result, the weight of the wireless headset 10 is reduced and the usability is improved.

From the above (1) to (3), it is possible to provide the ear-hook type wireless headset 10 having high headset quality including voice call performance, wearing stability, and fall prevention function.

(Modification example)
The present invention is not limited to the first embodiment, and various usage forms and modifications are possible. Examples of this usage pattern and modification include the following (a) and (b).

(A) In the microphone 50 of FIG. 6, the arm 51 portion may be formed by a flexible member, a coil spring, or the like and deformed into a bendable structure. Alternatively, the arm 51 portion may be deformed into a structure that can be expanded and contracted by a plurality of storable sheath members and the like. As a result, the sound collecting unit 56 can be accurately arranged at the mouth 4, and the sound collecting performance and usability can be further improved.

(B) The shape and structure of the housing 20, accessory parts such as the operation button 23 and the operation indicator light 24, or the shape and structure of the earphone 40 may be deformed to those other than those shown in the drawings.

1 User 2 Auricle 3 Ear canal 4 Mouth 10 Wireless headset 20 Housing 21 Printed circuit board 22 Electrical and electronic parts 30 Ear hook 31 Rotating shaft 40 Earphone 41 Driver unit 42 Sound guide 43 Earpiece 50 Microphone 51 Arm 52 Plug 56 Sound collection Department

Claims (6)

A housing that houses electrical and electronic components including a wireless transmitter / receiver that wirelessly transmits and receives audio signals, an audio signal processor that processes audio signals, and a battery for power supply.
A curved ear hook, one end of which is rotatably attached to the housing and the other end of which rotates along the outer circumference of the user's pinna and is hung on the outer circumference of the pinna.
An earphone that is projected from the housing and that converts the audio signal processed by the audio signal processing unit into sound waves and introduces it into the ear canal.
One end is removably inserted into the housing, and the other end is arranged near the mouth of the user, converts sound waves emitted from the mouth into an audio signal, and passes through the audio signal processing unit to the wireless transmission / reception unit. With the microphone to send
An ear-hook type wireless headset characterized by having. The wireless transmitter / receiver
Consists of a Bluetooth transmitter / receiver,
The ear-hook type wireless headset according to claim 1. The earphone is
A driver unit that converts the audio signal processed by the audio signal processing unit into the sound wave, and
A sound guide that guides the sound waves converted by the driver unit in a certain direction,
An earpiece attached to the tip of the sound guide portion and introducing the sound wave guided by the sound guide portion into the ear canal.
Canal type earphones with
The ear-hook type wireless headset according to claim 1 or 2. The housing is provided with a jack that is connected to the audio signal processing unit and for freely inserting and removing the microphone.
The microphone has a rod-shaped arm, a plug to be inserted into the jack is provided at one end of the arm, and the sound wave emitted from the mouth is used as an audio signal at the other end of the arm. A sound collecting unit that converts and sends to the plug is provided.
The ear-hook type wireless headset according to any one of claims 1 to 3. The arm of the microphone has a bendable and / or stretchable structure.
The ear-hook type wireless headset according to claim 4. The earphone is
For both ears for stereo playback or for one ear for monaural playback,
The ear-hook type wireless headset according to any one of claims 1 to 5.

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