KR102545489B1 - Earphones with custom tuning module - Google Patents

Abstract

An earphone equipped with a custom tuning module is disclosed. According to the present invention, in a custom tuning device for an earphone comprising a housing having a nozzle, a speaker module disposed inside the housing, a cover coupled to the housing, and a tuning unit disposed inside and outside the housing, the tuning means is used for low-pitched sounds. By including a first tuning module, a second tuning module for mid-range, and a third tuning module for high-pitched range, consumers can adjust the preferred sound range characteristics according to personal taste and musical characteristics, and purchase various earphones separately. It has the effect of being able to enjoy different auditory effects without having to do it.

Description

Earphones with custom tuning module {EARPHONES WITH CUSTOM TUNING MODULE}

The present invention relates to an earphone, and more particularly, to a custom tuning module capable of tuning from a low-pitched range to a high-pitched range by placing a tuning unit inside and outside a housing and using a low-pitched range, a mid-range, a high-pitched range, or a combination thereof, as necessary. It is about earphones equipped with this.

Earphones (English: Earphones) are electronic products that allow you to listen to sounds such as music privately without disturbing others by inserting them into your ears.

The earphone includes a speaker unit generating sound waves inside the housing, and a housing including a nozzle to which an ear tip is coupled is coupled to a cover.

In order to tune the sound, such a conventional earphone adopts a method of forming a plurality of sound holes on the rear surface of the housing to directly discharge sound to the outside of the housing or damping the sound by using synthetic fibers or the like.

However, when multiple sound holes are formed on the rear surface of the housing, there are problems in sound imbalance due to uneven size of the sound holes, deformation of sound caused by foreign substances such as dust, sweat, etc. entering the sound holes, and shortening the lifespan of the earphone.

In addition, since most of the output sound corresponds to direct sound, such a conventional earphone has a structure in which reflected sound, for example, low-pitched reflex cannot occur, so that high-quality and low-pitched sound that can be output from a large speaker unit There was a problem that was difficult to implement.

Nevertheless, tunable earphones are in the limelight of users due to their excellent portability, high-quality sound performance, and excellent sound insulation effect.

However, since a separate tuning device is not installed or lacking in existing earphones, earphone tuning is almost determined by the unique characteristics of the driver (speaker), and it is difficult to tune to the detailed frequency characteristics desired by the manufacturer. Accordingly, adjustment of sound and quality effects can be realized through adjustment and control by the reproduction device. The earphone itself cannot adjust the sound volume and sound quality effect, and the sound quality effect of the earphone is also limited by the quality of the reproduction device and the earphone quality.

In addition, since one earphone provides only one tone and frequency response characteristics, that is, it can provide only auditory effects to people, it lacks entertainment for general consumers. In order to maintain these various auditory effects, it is necessary to purchase various types of earphones, which inevitably leads to an increase in the cost of use.

KR Registered Utility Model Publication No. 20-0469489 (2013.10.08)

An object of the present invention to solve this problem is to provide an earphone equipped with a custom tuning module capable of adjusting an audible frequency band.

Another object of the present invention is to provide an earphone equipped with a custom tuning module capable of tuning each or a combination of a low-pitched tone, a mid-tone and a high-pitched tone by including tuning means inside and outside the housing.

Another object of the present invention is to provide an earphone equipped with a customized tuning module formed inside the housing to tune a low-pitched sound by forming a plurality of sound holes on the rear surface of the existing housing.

In addition, the present invention provides an earphone equipped with a tuning module for a low frequency range provided on one side of the inside of the housing, a tuning module for a midrange frequency range formed in a speaker module, and a tuning module for a high frequency range provided at an end of a nozzle. that serves another purpose.

In order to solve these problems, in a custom tuning device for an earphone comprising a housing having a nozzle, a speaker module disposed inside the housing, a cover coupled to the housing, and a tuning means disposed inside and outside the housing, The tuning unit may be configured to include a first tuning module for a low-pitched range, a second tuning module for a mid-range, and a third tuning module for a high-pitched range.

In addition, each of the tuning modules is composed of a different tuning hole and a tuning filter covering the tuning hole, and a tuning hole for a low frequency range is formed inside the housing at a position spaced apart from the outer part of the speaker module by a predetermined distance. It is configured to communicate with the space of the nozzle, the tuning hole for mid-range is formed in the upper center of the speaker module, and the tuning hole for high-frequency is configured as the space of the nozzle.

In the present invention, the speaker module includes a cylindrical yoke with an open top, a magnet fixed to the inner bottom surface of the yoke, a plate fixed to the upper surface of the magnet, the inner periphery of the yoke and the magnet and the plate A voice coil disposed between the outer periphery of the plate, a diaphragm disposed above the plate and fixed to the voice coil, a cap coupled to the yoke, a frame coupled to the yoke and the cap, and an upper portion of the cap and the frame. It can be achieved by forming a tuning hole formed in the upper center of the speaker module and a concave groove for accommodating the tuning filter in the upper part of the tuning hole.

Therefore, according to the earphone equipped with the custom tuning module of the present invention, by providing a tunable earphone, consumers can adjust the preferred sound range characteristics according to personal taste and musical characteristics, and can hear different hearing without purchasing various earphones separately. There is an effect that allows you to appreciate the enemy effect.

In addition, according to the earphone equipped with the customized tuning module of the present invention, the degree of tuning of the low-pitched, high-pitched, or mid-pitched sound can be individually controlled or a combination thereof can be used to emphasize the frequency of the sound range desired by the user. There is an effect that can be used by selecting an appropriate earphone according to the method.

In addition, according to the earphone equipped with the customized tuning module of the present invention, since a plurality of sound holes are formed on the rear surface of the existing housing to tune the low-pitched range, sound imbalance due to the size of the sound holes generated during manufacturing and It solved the problem of sound deformation and shortened lifespan of earphones caused by the inflow of foreign substances such as dust and sweat.

And according to the earphone equipped with a customized tuning module of the present invention, the tuning module for low-pitched sound is provided on one side of the housing, the tuning module for mid-pitched sound is formed on the speaker module, and the tuning module for high-pitched sound is provided at the end of the nozzle. Therefore, there is an effect that the existing earphone can be used as a customized tuning earphone without changing the external shape.

1 is a perspective view of an earphone equipped with a custom tuning module according to an embodiment of the present invention;
2 is a diagram illustrating a tuning filter of a first tuning means of the present invention;
3 and 4 are diagrams illustrating a tuning filter of the second tuning means of the present invention;
5 is a diagram illustrating a tuning filter of a third tuning means of the present invention;
6 is a graph showing the degree of tuning using a low-pitched tuning means;
7 is a graph showing the degree of tuning using mid-range tuning means;
8 is a graph showing the degree of tuning using a high-pitched tuning means;
and
9a and 9b are pictures of actual products to which the tuning module of the present invention is applied.

The terms or words used in this specification and claims are not limited to the usual or dictionary meanings, and the inventor can properly define the concept of the term in order to explain his or her invention in the best way. Based on this, it should be interpreted as a meaning and concept consistent with the technical spirit of the present invention.

Throughout the specification, when a certain component is said to "include", it means that it may further include other components without excluding other components unless otherwise stated. In addition, terms such as “… unit”, “… unit”, “module”, and “device” described in the specification mean a unit that processes at least one function or operation, which is implemented as a combination of hardware and/or software. It can be.

Throughout the specification, the term "and/or" should be understood to include all possible combinations from one or more related items. For example, the meaning of “a first item, a second item and/or a third item” may be presented from two or more of the first, second or third item as well as the first, second or third item. A combination of all possible items.

Throughout the specification, identification codes (e.g., a, b, c, ...) for each step are used for convenience of explanation, and the identification code does not limit the order of each step, and each step Unless the specific order is clearly stated in context, it may occur in a different order from the specified order. That is, each step may occur in the same order as specified, may be performed substantially simultaneously, or may be performed in the reverse order.

First, terms used in the present invention are defined as follows.

"Front" means a direction toward the housing 100 based on the speaker module 200 .

The term “rear side” refers to a direction toward the cover 300 based on the speaker module 200 .

Hereinafter, an embodiment of the present invention will be described with reference to the drawings.

1 is a perspective view of an earphone equipped with a tuning module according to an embodiment of the present invention. As shown, a housing 100 includes a nozzle 140 and accommodates a speaker module 200 therein, A cable is introduced into the interior of (100) and connected to the speaker module (200). Overall, the housing 100 may be a cylindrical member with an open front.

A cover 300 is coupled to the front of the housing 100 .

The housing 100 is also called a shell, and means the body of the earphone. It is a part that surrounds the driver unit in the earphone or headphone. In general, plastic is used, and in the case of high-end products, hard and stable materials such as magnesium or brass are used. may be used, but usually plastic, metal, or wood materials may be used.

The nature of the sound finally transmitted to the ear is changed through resonance (resonance), such as reflection and absorption of sound within the housing.

In addition, since the sound varies depending on the material of the earphone housing, manufacturers are making various attempts for the desired sound, from titanium, which is mainly used in the aviation field, to brass, to housings with plastic and metal applied together.

In addition, since the size and shape of the shell have an absolute influence on wearing, everyone's ear shape is slightly different, so it should be configured to fit universally for everyone.

As will be described later, one feature of the present invention is that, in consideration of this effect, a tuning module is additionally configured to tune all sound ranges rather than changing the shape of the shell.

A nozzle is a passage through which the sound generated by the driver is delivered to the ear. In the case of universal earphones, an ear tip is attached to the tip of the nozzle so that it can be attached to the ear. The bent shape and length of the nozzle determine where the sound image is formed. You can build it and give it a variety of sound variations.

A bore is a hole at the end of a nozzle, and subtle changes in sound can be achieved by the number and position of the hole.

Accordingly, another feature of the present invention is that a tuning means is added to the end of the nozzle, that is, to the bore, which is the tip of the nozzle, to tune the high-pitched sound.

That is, the present invention is characterized in that the earphone is provided with a tuning module to enable tuning of low-pitched, mid-pitched, and high-pitched frequencies.

To this end, the present invention provides a housing 100 having a nozzle, a speaker module 200 disposed inside the housing, a cover 300 coupled to the housing 100, and tuning means 110, 120, and 130 inside and outside the housing 100. ) is placed.

Specifically, the first tuning module 110 is provided on one side of the housing 100 to tune the low-pitched range, and the speaker module 200 is equipped with the second tuning module 120 to tune the mid-range. and a third tuning module 130 is provided at the end of the nozzle to tune the high-pitched sound.

Therefore, by combining these tuning modules, various types of earphones tuned for each sound range can be produced.

That is, earphones with low-frequency bands tuned as needed, earphones with mid-frequency bands tuned, earphones with high-frequency bands tuned, or earphones with both low- and mid-frequency bands tuned at the same time by a combination thereof, low-frequency bands and high-frequency bands This tuned earphone, earphones with mid-frequency band and high-frequency band tuned, and earphones with low-frequency band, mid-frequency band, and high-frequency band tuned at the same time can be produced.

The first to third tuning modules of the present invention are configured as follows.

The first tuning module 110 consists of a first tuning hole 112 and a first tuning filter 114 to tune low-pitched frequencies, and the second tuning module 120 has a second tuning hole 122 and a second tuning filter 114. It consists of the tuning filter 124 to tune the mid-range, and the third tuning module 130 uses the existing nozzle as the third tuning hole 132 and has the third tuning filter 134 to tune the high-pitched range. do.

In other words, each tuning means is composed of different tuning holes and a tuning filter covering the tuning holes, the first tuning module 110 for the low frequency range is provided on one side of the housing 100, and the second tuning module 110 for the mid frequency range is provided. The tuning module 120 is formed in the speaker module 200 that operates as a driver, and the third tuning module 130 for high-pitched sound is provided at the end of the nozzle 140, i.e., a bore that is the end of the nozzle.

Referring to FIG. 1 , the first tuning module 110 includes a tuning hole 112 for a low frequency range inside a housing and a tuning filter 114 covering the tuning hole 112 .

The tuning hole 112 is formed inside the housing 100 at a position spaced a predetermined distance from the outside of the speaker module 200, but the tuning hole 132 composed of the space of the nozzle 140 communicates with the bore. configure it so that

Referring to the drawing, the interior of the housing 100, a driver space portion (S1) communicating with the space portion of the nozzle 140 is provided on the front of the speaker module 200, and the nozzle ( 140), a tuning hole 112 may be provided to communicate with a bore that is a space portion, and a groove in which the tuning filter 114 is inserted may be formed in the tuning hole 112.

Referring to the drawing illustrating the tuning filter of the first tuning unit of the present invention in FIG. 2 , the tuning filter 114 uses a synthetic fiber 114a.

If necessary, it is composed of a thin film that allows air to pass through but does not allow water to pass through, so that sound is transmitted but a sound-permeable waterproof coating film 114b is coated and used to prevent blocking of moisture.

For example, in order to block the holes of speakers, microphones, and receivers that deliver sound, products such as acoustic vents with acoustic waterproofing functions can be used to transmit air or sound without passing through water using the properties of nano membranes.

In addition, a sound-permeable waterproof membrane disclosed in KR Patent Registration No. 10-1864054 (registration date: 2018.05.28) may be used.

The present sound-permeable waterproof membrane is a sound-permeable waterproof membrane made of a porous membrane of synthetic resin, wherein the porous membrane of synthetic resin is a porous membrane formed by coagulating a synthetic resin solution containing a synthetic resin and a polar organic solvent in water, and the synthetic resin solution , Synthetic resin, inorganic fine particles of 1 to 75% by mass based on the total solid content, and a polar organic solvent, wherein the inorganic fine particles are inorganic fine particles having a hydrophobic surface, a sound-permeable waterproof membrane that provides stable sound permeability and waterproofness in a wide range of sound. It is introduced as a sound-permeable waterproof membrane with

The present invention uses a tuning filter coated with fibers and a sound-permeable waterproof membrane for tuning of a low-pitched tone, and configures tuning of a low-pitched tone by the transmittance of sound passing through the tuning filter, that is, the density of the coating.

That is, when the transmittance is lowered by increasing the density of the coating, the low-frequency range is emphasized, and when the transmittance is increased by lowering the density of the coating, the low-frequency range is lowered.

Referring to the graph showing the degree of tuning using the low-frequency tuning means of FIG. 6, yellow is a graph showing the frequency intensity in the low-frequency range when the coating density is lowered so that the transmittance is relatively high, The green color indicates the frequency intensity of the low frequency range when the coating density is increased to have relatively low transmittance, and the middle blue color indicates the frequency intensity when the coating is applied to a medium level.

Referring to the drawing, if you want to emphasize the low-pitched range as necessary, you can use it by increasing the density of the coating and lowering the transmittance. Conversely, if you do not want to emphasize the low-pitched range, you can lower the density of the coating and increase the transmittance. will be.

Theoretically, by blocking the small holes that have been drilled, the effect of filling the sound can be created.

On the other hand, the second tuning module 120 for tuning the mid-range is formed in the speaker module 200 operating as a driver inserted into the housing.

Referring to FIG. 1 , the second tuning module 120 includes a mid-range tuning hole 122 inside a housing and a tuning filter 124 covering the tuning hole 122 .

The tuning hole 122 is formed as a through hole in the center of the speaker module 200 mounted inside the housing 100, and the through hole can communicate with the driver space portion S1 in which the speaker module 200 is mounted. .

Referring to the drawing, a driver space portion S1 communicating with the space portion of the nozzle 140 is provided on the front of the speaker module 200 inside the housing 100, and the speaker module (S1) is provided in the driver space portion S1. 200) is seated, the through hole formed in the center of the speaker module 200 can be used as a tuning hole.

Also, the tuning hole may refer to a space disposed behind the speaker unit 200 .

Specifically, in a state where the speaker module 200 is accommodated in the housing 100 and the cover 300, it may mean a space surrounded by inner surfaces of the speaker module 200 and the cover 300.

It goes without saying that the driver space portion S1 may also communicate with a bore, which is a space portion of the nozzle 140, and form a groove in which the tuning filter 124 is inserted.

Referring to the drawing illustrating the tuning filter of the second tuning means of the present invention in FIG. 3, the tuning filter 124 is also manufactured using the density difference of the synthetic fiber 124a as a raw material, and if necessary, a waterproof film ( 124b) is used after coating.

Since this can use the same configuration as the tuning filter of the first tuning means, detailed description thereof will be omitted.

Tuning of the mid-range is configured to tune the mid-range with the transmittance of sound passing through the tuning filter, that is, the density of the coating.

Of course, even at this time, the waterproof film 124b can be coated and used.

That is, when the transmittance is lowered by increasing the density of the coating, the midrange is lowered, and when the transmittance is increased by lowering the density of the coating, the midrange is emphasized.

Referring to the graph showing the degree of tuning using the mid-range tuning means of FIG. 7, since the mid-range cannot define a clear boundary frequency compared to the low- and high-pitched ranges, emphasizing the mid-range gives the low and high ranges close to the mid-range. It can be seen that some emphasis is also placed on it at the same time.

Blue is a graph showing the frequency intensity in the mid-range when the coating density is lowered to have a relatively high transmittance, and green is a graph showing the frequency intensity in the mid-range when the coating density is increased to have a relatively low transmittance. The yellow color in shows the frequency intensity when the coating is applied to a medium level.

Referring to the drawing, if you want to emphasize the midrange as needed, you can use it by lowering the density of the coating and increasing the transmittance, and conversely, if you do not want to emphasize the midrange, you can increase the density of the coating and lower the transmittance. will be.

The speaker module 200 is seated in the space S1 of the housing 100 and operates as a driver.

The driver (transducer) is the actual part that produces sound in the earphone. It is called a transducer, which means a converter, because it converts an electrical signal into sound. They have different names.

Fullrange is a driver that reproduces all sound ranges with one driver, tweeter is a driver that reproduces high frequencies, super tweeter is a driver that reproduces super high frequencies, midrange is a driver that reproduces midrange frequencies, and woofer reproduces low frequencies. As a driver to reproduce, each driver does not have an exact sound range, but roughly means a sound range set for low, mid, and high tones, and is responsible for part of the audible frequency of 20Hz to 20kHz.

In the present invention, a speaker module is specifically described as an example for convenience of description as a mid-range driver that reproduces a mid-range.

Referring to the general cross-sectional view of the speaker module in FIG. 4 , the space S1 of the housing is a space disposed in front of the speaker module 200, and the speaker module 200 is accommodated in the housing 100 and the cover 300. , means a space surrounded by the inner surface of the speaker module 200 and the housing 100. The first space S1 communicates with the nozzle 140 .

The speaker module 200 includes a yoke 210.

The yoke 210 is a cylindrical member with an open top and serves to configure a magnetic circuit and accommodates the magnet 220 .

The magnet 220 is fixed to the inner bottom surface of the yoke.

In addition, the speaker module 200 includes two plates 230, two voice coils 240, and two diaphragms 250.

The plate 230 is fixed to the upper surface of the magnet, the voice coil 240 is disposed between the inner periphery of the yoke and the outer periphery of the magnet and the plate, and the diaphragm 250 is disposed on the top of the plate and the voice coil is fixed. do.

The diaphragm 250 is disposed on the plate 230 with its outer circumference fixed along the inner circumference of the yoke.

The speaker module 200 includes a cap 260, and the cap 260 is coupled to cover the yoke 210.

The inner periphery of the cap 260 may be larger than the outer periphery of the yoke 210 .

The speaker module 200 includes a damper. The damper is disposed on the upper surface of the frame. The damper is disposed along the edge of the frame and contacts the inner wall of the housing 100 .

The speaker module 200 is coupled to the lower surface of the yoke 201 and receives an electrical signal from the outside.

It includes a substrate 270 that serves to receive input and transmit it to the voice coil 240 .

Also, the speaker module 200 includes a frame 280 .

The frame 280 is coupled to the yoke 210 and the cap 260 . The frame 280 may be a ring-shaped member including an inner circumferential surface and an outer circumferential surface.

A tuning hole 132 formed in the upper center of the speaker module 200 on the upper part of the cap 260 and the frame 280 and a concave groove for accommodating the tuning filter 134 are formed on the upper part of the tuning hole 132. can

The third tuning module 130 uses an existing nozzle as a third tuning hole 132 and includes a third tuning filter 134 to tune a high-pitched sound.

Specifically, the third tuning hole 132 uses an existing bore and is provided at the end of the nozzle 140, which is the end of the nozzle.

The bore is a passage that connects the driver and the final output of the nozzle, so that the bands divided through the crossover can be transmitted to the maximum possible close to the ear. The bore is used as a tuning hole.

It is known that the bore is physically a part that directly affects the sound, so it is known that staging can be physically designed by arranging the size and position of the bore, and the phase can be controlled by adjusting the length between the bore and the driver. It is known that there is

Referring to the drawing illustrating the tuning filter of the third tuning means of the present invention in FIG. 5 , the tuning filter for tuning high-pitched frequencies has a different configuration from those for tuning low-pitched and mid-pitched frequencies.

Referring to the figure, a tuning filter composed of a mesh 134a is used instead of conventional fibers to adjust the transmittance of sound passing through the tuning filter, that is, the density of the coating, so that high-pitched frequencies are tuned.

That is, when the transmittance is lowered by increasing the density of the filter, the high-pitched sound is lowered, and when the transmittance is increased by lowering the density of the coating, the high-pitched sound is emphasized.

Of course, even at this time, a coating waterproof film 134b may be used on the top of the mesh 134a.

Referring to the graph showing the degree of tuning using the high-pitched tuning means of FIG. 8 , it can be seen that when the mid-range is emphasized, the low- and high-pitched ranges close to the mid-range are also partially emphasized at the same time.

Yellow is a graph showing the frequency intensity in the high frequency range when the coating density is lowered so that the transmittance is relatively high, and blue is a graph showing the frequency intensity in the high frequency range when the coating density is increased so that the transmittance is relatively low. The green color indicates the frequency intensity when the coating was applied at an intermediate level.

Referring to the drawing, if you want to emphasize the high-pitched range as necessary, you can use it by lowering the density of the coating and increasing the transmittance, and conversely, if you do not want to emphasize the high-pitched range, you can increase the density of the coating and lower the transmittance.

Referring to the photos of the actual product to which the tuning module of the present invention is applied in FIGS. 9A and 9B , it can be seen that the tuning module for the low-frequency range and the tuning module for the mid-range are configured inside the housing and the tuning module for the high-range is configured at the end of the nozzle. can

In this configuration, the frequency characteristic graphs in each sound band of FIGS. 6 to 8 are calculated by adjusting the density, that is, transmittance, of each tuning filter.

As described above, according to the present invention, one or more tuning modules are installed inside and outside the housing to emphasize the frequency of the sound range desired by the user, so that an appropriate earphone can be selected and used according to the user's taste.

Specifically, earphones with low-frequency bands tuned, earphones with mid-frequency bands tuned, earphones with high-frequency bands tuned, or earphones with both low- and mid-frequency bands tuned simultaneously by a combination thereof, low-frequency bands and high-frequency bands tuned Since it is possible to produce earphones tuned to the middle frequency band and high frequency band, and earphones tuned to the low frequency band, intermediate frequency band, and high frequency band at the same time, you can enjoy different auditory effects without purchasing various earphones separately. There is an effect.

Although the present invention has been described in detail with respect to the specific embodiments described above, it is obvious to those skilled in the art that various changes and modifications are possible within the scope of the technical idea of the present invention, and it is natural that these changes and modifications fall within the scope of the appended claims.

100: housing
110: first tuning means 112: first tuning hole
114: first tuning filter 114a: synthetic fiber
114b: coating waterproof film 120: second tuning means
122: second tuning hole 124: second tuning filter
124a: synthetic fiber 124b: coating waterproof film
130: third tuning means 132: third tuning hole
134: third tuning filter 134a: mesh
134b: coating waterproof film 140: nozzle
200: speaker module 210: space unit
300: cover

Claims (6)

An earphone with a custom tuning module including a housing having a nozzle, a speaker module disposed inside the housing, a cover coupled to the housing, and a tuning unit disposed inside and outside the housing,
The tuning means
a first tuning module for a low-pitched range; a second tuning module for mid-range; And a third tuning module for a high-pitched range,
The first tuning module includes a first tuning hole for low-pitched sound that communicates with a bore, which is a space of the nozzle, when the driver space S1 communicating with the space of the nozzle formed on the front surface of the speaker module is provided. A first tuning filter inserted into the first tuning hole;
The second tuning module includes a second tuning hole for a midrange band formed in a through hole communicating with the driver space part S1 and a second tuning filter covering the second tuning hole,
The third tuning module includes a third tuning hole for a high frequency range formed at an end of the nozzle and a third tuning filter accommodated in a concave groove formed in the third tuning hole;
When the first tuning filter and the second tuning filter are coated with synthetic fiber and a waterproof coating film, the coating density of the synthetic fiber and the waterproof coating film formed on the first tuning filter is equal to that of the synthetic fiber formed on the second tuning filter. The coating density of the waterproof coating film is higher than that of the first tuning filter to tune the low-pitched range, the second tuning filter to tune the mid-range, and the third tuning filter includes a mesh material and a waterproof coating. An earphone equipped with a custom tuning module, characterized in that coated with a film to tune the high-pitched sound.
delete delete delete The method of claim 1,
The speaker module
A cylindrical yoke with an open top;
A magnet fixed to the inner bottom surface of the yoke;
a plate fixed to an upper surface of the magnet;
a voice coil disposed between the inner periphery of the yoke and the outer periphery of the magnet and plate;
a diaphragm disposed above the plate and to which the voice coil is fixed;
a cap coupled to the yoke;
A frame coupled to the yoke and the cap; And
a tuning hole formed on the top of the cap and the frame at the center of the speaker module, and a concave groove for accommodating the tuning filter on the top of the tuning hole;
An earphone equipped with a custom tuning module comprising a. delete

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