JP2006237783A - Headphone with reverberation - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a technology of changing a reproduced music sound into a soft sound by attaching natural and pleasant reverberation in water to the music sound over a wide frequency band and eliminating the sound in an unnecessary ultrasonic wave region in the reproduction of the music sound. <P>SOLUTION: A headphone with reverberation of a headphone type, or a pillow type, or a desk fixed type, or an earphone type includes: a speaker 1 for transducing an input electric signal into a sound wave; a housing 2; and an earpad bag 3 that adopts an enclosed structure wherein a liquid is filled in and is closely attached to an earhole with no space between the bag 3 and the earhole by exerting a pressure to the earhole. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headphone that is used in an electroacoustic transducer that reproduces an electrical signal into music or voice, and is attached to the ear of a human body, inserted into the ear, or in contact with the ear while sitting or sleeping. It is.

A conventional general audio device reproduces an electrical audio signal into sound by a speaker and transmits only air to the ear as a propagation medium. There is also a structure in which a cover is placed on the cone surface of the speaker so that objects do not hit and break.

Furthermore, in order to obtain a sense of realism, a speaker having a plurality of speakers, in which the speakers are divided according to the characteristics of the frequency band such as those for the low range, the mid range, and the high range, has been devised.

Also, in karaoke equipment, an adjustment switch that can vary the degree of reverberation is generally provided.

Moreover, as a professional acoustic device, there is an effector, and the volume, sound quality, and effect can be changed. The effectors that give reverberation and add spaciousness and depth include delay effectors that add delay to the sound, and reverb that simulates the reverberation of concert halls and rooms.

Headphones and earphones for personal use have been devised to increase the degree of close contact with the ear, prevent external noise other than the original sound, and prevent sound leakage. In order to obtain a three-dimensional sound image and enhance the sense of presence in headphones, means for changing the direction of a generated sound source by moving the internal speaker position forward or by providing a plurality of speakers in the headphone housing have been proposed.

In addition, it is the reverberation / reverberation that occurs from the shape of the head and ear that the ear recognizes the direction of the sound source, and as a stereo recording dedicated to headphones, it is placed in the ear hole part of the shape of the head with the ear attached. A binaural recording system with a recording microphone was devised.

In headphones and mobile phones, attempts have been made to improve usability through the combined use of bone evangelism.

Attempts have also been made to improve acoustic characteristics by using liquid as part of the speaker structure. (See Patent Documents 1, 2, 3, and 4)

The characteristic of the human ear as the recognition side is that the low frequency range has a low sensitivity of 5 to 10 dB compared to the mid frequency range, and in order to cope with this, there is a method of providing a low frequency range enhancement switch for enhancing the low frequency range on the amplifier side. Often used.

Audio equipment used outside of the special air includes underwater speakers. This was used for BGM in swimming pools, swimming and synchronized training, as well as for diving work. In this pool, sound attenuation is more severe than in the air, so it is common to install multiple pools.
JP 53-127701 A JP 55-104200 A Special table hei 08-507665 ACT 04-031895

Reverberation is important in audio equipment. The mobile phone electrically eliminates noise and reverberation for easy listening. Conversely, electronic musical instruments and karaoke equipment add reverberation.

In this audio device, large and small reverberation occurs. However, reverberation involves multiple elements such as the material, shape, and size of a room that listens to music, and it is difficult to set a favorable impression for everyone. There was a problem with individual differences.

In addition, when underwater speakers are used underwater in the pool, they have a long reverberation characteristic and are comfortable sounds, but due to the difference in attenuation value due to frequency, high sounds are difficult to reach far away, and the sound quality depends on the positional relationship between the speakers and the listener. There was a problem of changing. At the same time, it is difficult for the human body to breathe underwater, making it an inappropriate environment for enjoying music.

In addition, when the human body is accompanied by aging, the sensitivity of hearing in the whole sound range deteriorates. For example, the hearing level at the age of 50 shows an average of 10 dB lower than the value at the age of 20. In particular, in the high sound range from 8000 Hz, the reduction is 20 dB or more. This declines further with age in the 60s and 70s. At the same time, the sound that feels comfortable also changes with age, younger people prefer sounds with less reverberation, and as they get older, they prefer reverberations that compensate for hearing loss, but they can change the reverberation characteristics with inexpensive audio equipment There are few.

In addition, as can be seen from the comparison of the acoustics of a grand piano and an electronic piano, the electric reverberation is slightly more strange than the natural reverberation. Also, the cheaper the audio equipment, the more disparate from the real sound. Professional effectors that demand sound quality are expensive and difficult to use by individuals.

Originally, sound is not easily transmitted from gas to liquid and from liquid to gas. As an example of the relationship between air and water, the acoustic impedance of air is 415 Pa · s / m, the acoustic impedance of water is 1410 kPa · s / m, and the inherent acoustic impedance of each medium is significantly different. Therefore, sound is transmitted in 0.1% in both directions from air to liquid and from liquid to air, and it is difficult to transmit sound between different media.

The mechanism of listening to sound in the human body is that the sound coming from the outer ear vibrates the eardrum, amplifies the vibration of the sound with the earbones of the middle ear, and transmits it from the cochlear hair cells of the inner ear to the auditory nerve. At that time, the signal is transmitted to the middle ear in the air, but the inner ear is filled with a liquid that is a lymph fluid. Therefore, as described above, only 0.1% of the sound is directly transmitted to the inner ear, and the vibration of the sound is converted into physical vibration and amplified by the ear ossicles. Lymph is said to protect the inner ear from unwanted sounds in the ultrasound region, but it was difficult to produce a speaker that cuts the unwanted ultrasound region that supports the function of the lymph. .

An object of the present invention is to provide a comfortable natural reverberation in water and to eliminate unnecessary ultrasonic sound.

The present invention is a headphone having a reverberation adding function, and in order to achieve the above object, a housing, a speaker for converting an input electric signal into a sound wave, and a sound generating part of the speaker are made to be sealed and sealed liquid. The ear pad bag has a built-in and applied to the ear, and the liquid in the ear pad bag is hermetically sealed so that the sound is easily transmitted by being pressed against the ear, and the sound wave emitted from the speaker is transmitted. It is characterized by having an action.

Further, the speaker and the ear pad bag have a partition formed of a thin material that transmits sound waves, or a partition formed of a plurality of openings such as a net, and the speaker vibrates. In this case, the ear pad bag has a restriction that it does not contact the speaker.

In addition, in the form of listening to stereo sound from both ears, in order to facilitate change of sound quality and replacement when the ear pad bag is damaged, the coupling means of the outer peripheral portion of the partition attached to the ear pad bag, and the housing A coupling means on an outer peripheral portion on the side opposite to the ear pad bag side, the partition with the ear pad bag attached thereto, a coupling operation by pressing, or a coupling operation by a nail at the tip of an uneven projection, or an uneven It is characterized in that it can be freely attached to and detached from the housing by a coupling operation by rotation with slits in the recesses, a coupling operation by inserting into the slits from the top, or a coupling operation by concavo-convex Velcro tape (registered trademark).

Also, it has a donut shape similar to the ear pads used in large commercial headphones, covers the outer periphery of the ear pads, adheres to the housing, touches a circle around the ear holes, and has low liquid or thermal conductivity and light weight It is characterized by having a soft ear pad filled with a cushioning material and using a heat insulating material on the surface in contact with the ear or on the entire surface, and the ear pad bag does not hinder the action of transmitting sound waves.

Furthermore, as another form for exchanging the ear pad bag, the two housings covering the left and right ears are combined, a head fixing portion located on the upper side of the housing, the partition fixed to the housing, A pad bag coupling fixture for joining to the ear pad bag, and a liquid filling port, and a coupling operation by pressing with the pad bag coupling fixture, or a coupling operation by a nail at the tip of an uneven projection, or an uneven projection It is characterized in that it can be freely attached and detached from the head fixing part or the upper part of the housing by a coupling operation using Velcro (registered trademark).

Furthermore, in the form of stereo headphones, the two housings that cover the left and right ears are combined, and there is a pressure adjusting slide located behind the head, so that the pressure applied to the ear pad bag can be adjusted. .

In addition, as a form to be used in a reclining seat or bed, a pillow base formed of a cushioning material similar to a pillow used for sleeping, a position adjustment fixture that connects the left and right housings, and the rear part of the head Or a housing position adjustment unit located at the upper part and connected to the position adjustment fixture; and a housing cover that covers the housing and has a chuck or a button. The size of the user's head, the use situation, and the preference Accordingly, it is possible to adjust and fix the interval of the housing containing the ear pad bag that hits the left and right ears.

Furthermore, in a form used as an earphone, it has a liquid in which pressure is applied to the ear pad bag, and a liquid sealing port on a surface that contacts the soft ear pad, and the ear pad bag can be inserted into the ear hole in an earphone shape. The headphones with reverberation according to claim 1, wherein:

In addition, it is desirable that the temperature of the liquid in contact with the temperature-sensitive ear is appropriate, and the earpad bag has a temperature adjustment unit and an electric wire to the temperature adjustment unit, and the liquid in the earpad bag is electrically connected. It is characterized by being kept at a constant temperature by being kept warm or cooled by means.

As described above, according to the present invention, the sound is transmitted from the air through the water, and the vibration of the sound is transmitted from the air of the speaker 2 through the liquid medium of the earpad bag 4 to reflect the sound in the bag. Reverberation is added, and a pleasant sound can be obtained by returning it to the air near the eardrum of the ear.

By this reverberation, it is possible to obtain an acoustic effect close to a place called a good sound such as in a bath, a Western church, a cave, or underwater.

In particular, it can provide sound that is easy to hear for middle-aged and older people, elderly people who are far from the ears, and people who are hard of hearing. Therefore, application to a hearing aid is also effective.

In addition, the owner can select the reverberation characteristic by exchanging the ear pad bag according to the type and preference of the music.

The higher the reverberation, the higher the sound can be heard in front of the head and the lower sound can be heard in the center of the head, resulting in a three-dimensional appearance in the sound image.

In addition, since unnecessary sound in the ultrasonic region is removed, the sound is generally soft, and even when wearing headphones for a long time, an effect of being less fatigued is obtained.

As other incidental effects, the temperature adjustment unit can improve the blood flow by warming the head and relieve headaches. Conversely, when there is heat, the head can be cooled.

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 and FIG. 2 (A) are cross-sectional views showing the configuration of a headphone with reverberation as viewed from the front according to the first embodiment of the present invention.

In this embodiment, the speaker 1 is fixed to the housing 2, and the ear pad bag 3 is connected to the housing around the speaker, so that the acoustic vibration of the speaker is transmitted to the liquid via the bag surface.

The material of the ear pad bag is molded from a non-shrinkable synthetic resin material, aluminum material or silicon material.

The bag has a hermetically sealed structure, and it is desirable that the liquid enclosed in the bag is light in specific gravity, weak in viscosity, and has no danger in use, and water, alcohol, or hexane is used.

In the case of the same capacity, the reverberation time becomes longer as the specific gravity of the liquid medium is higher. However, gel-like liquids with too high a viscosity are not suitable.

The larger the volume of liquid in the earpad bag, the longer the reverberation time. An example of the amount of liquid is 0.5 to 5 cc in the shape of the earphone of FIG. 6, 5 to 100 cc in the shape having the soft ear pad in FIG. 3 or 4, 50 to 200 cc in the shape of FIG. In the pillow shape, a range of 100 to 500 cc is desirable. Moreover, in order to reduce the physical distribution burden as a product by providing a plug in the ear pad bag, the product of the present invention can be sold in a state in which the liquid inside is removed and folded. In that case, the user himself / herself can enclose a liquid of a desired liquid quality and volume.

Furthermore, although it adheres to an ear hole without a gap here, the greater the applied pressure, the greater the volume of sound transmitted to the ear and the greater the reverberation.

The bag may have a double structure. By separating the bag into an outer bag that comes into contact with the ear and an inner bag that holds the liquid, strength is maintained, the feeling of use is improved, and long-term deterioration of the bag is reduced. be able to. As an example, a metal film bag is used inside to prevent deterioration. If the outer bag is made of a heat-insulating material, the coolness felt by the ear when the liquid is cold can be reduced.

In addition, the sound quality can be slightly changed by holding a plurality of inner bags and separating the liquid. As the number of bags increases, the reverberation decreases. The reverberation characteristics can also be changed by separating the material, size, and type of liquid inside the inner bag.

The speaker has various shapes, and the vibration surface where the sound is generated is strong.There is no change in sound quality even if the earpad bag is vibrated directly, and the vibration surface does not change even if the pressure of the earpad bag is applied to the vibration surface for a long time. If it does not deteriorate, the ear pad bag and the speaker can be in direct contact.

However, the vibration part of the speaker with a cone having good acoustic characteristics must be vibrated in contact with only air.

Generally, when liquid is put into a bag, the bag swells in a circle. As shown in FIG. 1, if the partition 4 is not in contact with the ear 8, the pressure from the inside of the liquid and the pressure at the time of fixing to the ear will contact the sound generation surface of the speaker 1. Sound is greatly degraded in speakers with thin cones. Therefore, it is necessary to provide a partition for supporting the ear pad bag on the speaker side.

Partitions should not interfere with sound vibrations. This material must be flexible enough to properly transmit sound vibrations to the earpad bag and be strong enough to support the pressure applied by the earpad bag. When wearing on the ear, the internal pressure increases, but the pressure reaches its maximum value, and even when the speaker vibrates at a high volume, it is necessary to maintain a distance where the partition does not contact the vibration surface of the speaker. .

The first material of the partition 4 is a thin plate that maintains its plate-like shape with its own strength resisting the earpad bag pressure, and a synthetic resin plate, a metal plate, or the like is used.

The second material of the partition is a flexible sheet material that maintains the shape and strength of the plane by tension from the top and bottom or from the left and right, or from the top and bottom, and from left and right, and uses cloth, a synthetic resin film, a metal film, or a silicon film.

There are two types of partition structures, the first material and the second material, which have no holes and the surface structure with a large number of holes. In the case of a surface structure without holes, the material is light and thin, and the more flexible it is to vibration, the easier it is to transmit sound and the greater the degree of reverberation.

As the surface structure having a large number of holes, a hollow, triangular, hexagonal, hexagonal honeycomb structure, octagonal shape or round shape is used. The narrower the width that supports the ear pad bag, the better, and sometimes a net surface. Here, the larger one opening, the easier the sound is transmitted and the greater the degree of reverberation.

When the second material of the partition is supported by tension, it swells to the speaker side. However, in the case of a thin plate, it is possible to form a curved surface and swell to the opposite ear side from the strength of the material. For example, as shown in FIG. 1, the efficiency of receiving the sound pressure of the speaker can be increased by adopting a curved structure in which a sphere bulging toward the ear is cut.

As described above, the reverberation headphones change the reverberation characteristics depending on the volume and specific gravity of the liquid, the material of the ear pad bag, the structure of the partition, and the like. Therefore, the owner can change the ear pad for replacement integrated with the ear pad bag attached to the partition to change the sound quality according to personal preference or select the reverberation characteristic according to the type of music.

Moreover, the acoustic characteristics of commercially available headphones using only air as a medium can be obtained by inserting a sponge-like elastic material having a hollow and light specific gravity instead of the liquid in the ear pad bag. Moreover, when the ear pad bag is damaged, it can be replaced with a new replacement ear pad.

Therefore, as shown in FIG. 1 and FIG. 2, the convex part 6 which is the coupling means which thickened the outer peripheral part of the partition attached to the ear pad bag, and the coupling means to the outer peripheral part on the side opposite to the ear pad bag side of the housing And a recess 5 that is. FIG. 2B and FIG. 3B are external views of the outer appearance when the parts are removed.

The first replacement method of the replacement ear pad has a form in which the replacement ear pad is inserted into the housing. It is a structure that uses a synthetic resin having elasticity for the pressure coupling part, makes the concave and convex surfaces contact each other, increases the contact friction between them and fixes them, and can be attached and detached. In addition, a small spring material or cushion material may be newly provided at a location where the contact friction of the convex portion or the concave portion is increased.

As a second method of exchanging the replacement ear pad bag, there is a form in which the replacement ear pad is inserted into the housing and stopped by the claw at the tip of the convex portion. When the replacement ear pad is pulled out, it is pulled out after removing the nail by pressing in the direction of removing the nail from the outside.

A third method for exchanging the ear pad bag for exchanging has a form in which it is stopped by rotation put in a slit. The coupling portion is circular, and a slit is opened in a part of the circle, so that it can be inserted without resistance during insertion, and can be fixed so as not to come off at other portions by being half-turned after insertion. When the replacement ear pad is pulled out, it is again pulled out from the slit part that is half-turned in the opposite direction and opened in a circle.

A fourth replacement method of the replacement ear pad bag has a form of fixing with Velcro tape (registered trademark) having projections with small irregularities. This is to attach Velcro (registered trademark) to the outer periphery of the replacement ear pad and the housing.

FIG. 3 is a cross-sectional view showing a configuration of a reverberation headphone viewed from the front according to the second embodiment of the present invention. The soft earpad 7 has a larger area that touches the ear than the earpad bag 3, improves the feeling of contact with the ear, and can reduce the feeling of the liquid in the earpad bag transmitted to the ear when it is cold.

When this soft ear pad is viewed from the side of the head, it becomes a ring and has a donut shape. The soft ear pad covers the outer periphery of the ear pad bag, is fixed to the housing 2, and is in circular contact with the periphery of the ear hole.

The first fill to the soft ear pad is a liquid that reflects the sound. As for the magnitude of the reverberation, the degree of reverberation can be obtained by combining the liquid amount of the ear pad bag and the liquid amount of the soft ear pad. The feeling of use of the touch can be enhanced by bonding a soft, heat-insulating material such as cloth, leather, artificial skin, or silicon film to the surface of the portion corresponding to the ear of the soft ear pad.

The second filling to the soft ear pad is a filling of a medium having a low thermal conductivity and a light weight, for example, a cushioning material having a sound absorbing property. Moreover, it is desirable to cover the surface with a breathable material having a good touch as described above.

FIG. 4 is a cross-sectional view showing a configuration of a reverberation headphone viewed from the front according to the third embodiment of the present invention.
Thus, the present invention can be easily changed to headphones using only commercially available air as a medium. This is effective in avoiding cold liquid temperatures in winter.

Moreover, the ear pad bag of the present invention can be added as an option to a commercially available headphone that has a partition and has a hollow inside that is in contact with the ear, and the effect of the headphone with reverberation can be satisfied. Although it is necessary to match the amount of liquid in the ear pad bag, this can be adjusted by changing the amount of liquid to be inserted from the liquid filling port.

In this structure, two housings 2 that cover the left and right ears are joined together, an upper fixing portion 9 located on the upper side of the housing, a partition 4 fixed to the housing, and a pad bag coupling fixture 12 joined to the ear pad bag 3. And a liquid sealing port 16. This is slightly different from the second embodiment, and the removal of the ear pad is performed by the upper part of the pad bag coupling fixture by the coupling operation by pressing, the coupling operation by the nail, or the coupling operation by the Velcro (registered trademark). It can be freely attached and detached from the fixed part or the upper part of the housing.

As an example of the fixing, the upper fixing portion is sandwiched and fixed by pressing two clip-like sandwiching portions located on the right side of the pad bag coupling fixture shown in FIG. This may apply a pressure such as a spring when sandwiched. When sandwiched between claws, the pad coupling fixture has a convex shape that is difficult to come off. In addition, if Velcro tape (registered trademark) is adhered to the pad bag coupling fixture and the upper fixing portion or the upper portion of the housing, it can be simply joined.

As shown in FIGS. 2 (A) and 3 (A), two housings 2 that cover the left and right ears are joined, and a pressure adjusting slide 10 is located behind the head. The fixing device in the general headphone is for the purpose of adjusting the ear position, while the pressure adjusting slide is for adjusting the pressure applied to the ear pad bag. The pressure adjustment slide is made of two materials such as synthetic resin, and the length of the slide can be varied by providing two overlapping parts. If the slide is shortened, the pressure applied to the ear can be increased and the volume can be increased. The longer the length, the lower the pressure and the greater the volume.

In addition, by applying pressure to the housing from the left and right, the weight of the headphone with reverberation is supported by the side of the head, and the weight at the upper fixing part is reduced, and the sensible weight of the headphone with reverberation is also reduced. .

FIG. 5 is a cross-sectional view showing a configuration of a reverberation headphone viewed from the front according to the fourth embodiment of the present invention. This is used with the human body lying on the bed or sitting on the reclining chair. The structure is a pillow base 13 made of the same cushioning material as the pillow used for sleeping, a position adjusting fixture 15 for connecting the left and right housings 2, and a rear or upper part of the head, for position adjustment. And a housing position adjusting portion 14 for changing the length of the fixture. Here, according to the size of the user's head and the preference, the distance between the ear pad bags 3 that hit the left and right ears can be adjusted and fixed.

The width of an adult head is approximately 13-15 cm. The width of many pillows is in the range of 50 to 70 cm. The product of the present invention can be changed between two housings up to 10 to 60 cm so that it can be used for sleeping pillows. This operation can be done manually by adding a notch to the slide or by a built-in motor to change the position. Thereby, when not using as an audio apparatus, it can be used as a normal pillow. In addition, in order to sleep comfortably, there is a method in which when the music stop time is set and the music stops, the music is automatically stopped by a timer function, and the housing is further separated by a motor.

If the pillow base material has cushioning properties, a wide range of materials can be used. This pillow base has means that can be fixed to a reclining chair, a massage chair, or an electric bed. As a fixing method, a fixing plate may be attached to the back surface of the pillow base. There is also a method of making a through hole in the pillow base and fixing it at a location that does not hinder the operation of the housing position adjustment unit or position adjustment fixture. The housing position adjusting unit can be operated to change the length by rotating or sliding the position adjusting fixture. There is also a method of fitting the position adjustment fixture inside the pillow base.

The housing cover 15 is a thin material with good air permeability that covers the rising 2 and has a structure that can be removed by a chuck or a button, and can be washed. This is a sanitary necessity when used as a pillow. Moreover, you may add the cover of the thin material with sufficient air permeability which covers the whole pillow base and exposes only the housing position adjustment part.

FIG. 6 is a cross-sectional view showing a configuration of a headphone with reverberation that is earphone-shaped when viewed from the front according to the fifth embodiment of the present invention and is miniaturized for insertion into an ear. The ear pad bag 3 has a liquid to which pressure applied from the liquid sealing port 16 is applied on the side contacting the soft ear pad 12, and the ear pad bag can be inserted into the ear hole.
The ear pad bag has a thick liquid filling port 16 having the same shrinkage as that used for the air inlet of the rubber ball on the side having little influence on the reverberation, and the liquid is pressurized from the liquid filling port by a sealed pressure pump. Insert.

2 and 5 simply show the temperature adjustment unit 11 in the ear pad bag 3. FIG. This has an electric wire connected to the inside of the bag from the outside of the ear pad bag by electrical means. Since the liquid is much lower than the body temperature in winter, the comfort can be increased by increasing the temperature of the liquid.

Heat insulation is performed by supplying electricity to a heater with a thermostat.

In the summer, a comfortable temperature can be maintained by cooling in reverse. The electronic cooling module includes a Peltier element.

In the embodiment described above, the speaker 1 is configured to operate based on an audio signal supplied from the outside of the headphones via a cord. In the following, FIG. 8 shows an embodiment in which an audio device is built in the headphones. Explain to the original.

Audio devices are required to be small and light in the ubiquitous era, and even headphones with reverberation are required to have an audio device for supplying an input electric signal to a speaker in a housing.

The audio apparatus uses one or more of an FM and AM receiving unit, a network interface unit, a CD reproducing unit, an MD reproducing unit, and an audio memory reproducing unit as inputs. The common mechanism includes an amplification unit, an operation unit, a display unit, and a power supply unit. The power supply unit can be switched to a battery in addition to AC100V. By incorporating the audio apparatus configured as described above, the weight increases, but it is advantageous for widening the range of use. At that time, in the case of battery driving, an external cable is not required, and even a type using an AC power supply has only a power cable.

A first function that is not installed in a general audio device is a temperature adjustment unit that is installed in the ear pad bag, and has a function of adjusting the liquid temperature in the ear pad from the control unit.

As a second function which is not mounted on a general audio device, when the liquid bag inside the ear pad bag is broken, the liquid is sensed and has an electric detection function of the breakage.

As a third function that is not installed in a general audio device, there is a function of adjusting the position of the housing with a motor control unit that improves operability when using the pillow-type pillow base in FIG. 5 and the motor unit. Have. It also has a timer unit that sets the time to automatically stop music after sleeping and widen the housing.

It is sectional drawing of the headphones with reverberation of the 1st Embodiment of this invention. (A) It is sectional drawing which added the upper fixing | fixed part and the pressure adjustment slide to the headphones with reverberation of 1st Embodiment. (B) It is an external view at the time of removing the ear pad bag in 1st Embodiment. (A) It is sectional drawing of the headphones with reverberation which have a soft earpad of 2nd Embodiment. (B) It is an external view at the time of removing the ear pad bag in 2nd Embodiment. (A) It is sectional drawing of the headphones with reverberation of the structure which changes to the commercially available headphones of 3rd Embodiment, or is added as an option of a commercially available headphones. (B) It is an external view at the time of removing the ear pad bag in 3rd Embodiment. It is sectional drawing of the headphones with reverberation which have the shape of the pillow of 4th Embodiment. It is sectional drawing of the headphones with reverberation which have an earphone type shape of 5th Embodiment. It is the external view which attached the headphone with reverberation which has the shape of the pillow of 4th Embodiment to the reclining chair. It is a block diagram which shows schematic structure of the headphones with a reverberation which incorporate an audio apparatus.

Explanation of symbols

1 Speaker, 2 Housing, 3 Ear pad bag, 4 Partition, 5 Concave part, 6 Convex part, 7 Soft ear pad, 8 Ear, 9 Upper fixing part, 10 Pressure adjusting slide, 11 Temperature adjusting part, 12 Pad bag coupling fixture, 13 Pillow base, 14 Housing position adjustment part, 15 Position adjustment fixture, 16 Liquid inlet

Claims (9)

A housing;
A speaker that converts input electrical signals into sound waves;
Relative to the sound generation part of the speaker, containing a sealed liquid, hitting the ear, ear pad bag,
Have
The liquid in the ear pad bag has a function of transmitting a sound wave emitted from the speaker. A partition formed of a material that transmits sound waves between the speaker and the ear pad bag,
Or a partition formed by multiple openings,
Have
The headphone with reverberation according to claim 1, wherein when the speaker vibrates, the ear pad bag has a restriction that it does not contact the speaker. A coupling means for the outer periphery of the partition attached to the ear pad bag;
Coupling means on the outer peripheral portion of the housing facing the ear pad bag side;
Have
The partition with the ear pad bag attached,
Combined operation by pressing,
Or the combined action with nails,
Or the combined action by rotation,
Or the joint action to put in the slit,
Or a binding operation with Velcro (registered trademark),
By
The headphone with reverberation according to claim 2, wherein the headphone can be freely attached to and detached from the housing. In a donut-shaped shape, covering the outer periphery of the ear pad bag, adhering to the housing, touching a circle around the ear hole,
Filled with cushion material with low liquid weight or low thermal conductivity,
Using a material with thermal insulation on the surface that touches the ear or the entire surface,
Have soft ear pads,
The headphones with reverberation according to claim 1, wherein the ear pad bag does not hinder the action of transmitting sound waves. Two heads of the housing covering the left and right ears are combined, and a head fixing portion located on the upper side of the housing;
The partition fixed to the housing;
A pad bag coupling fixture to be joined to the ear pad bag;
A liquid filling port;
Have
By the pad bag coupling fixture,
Combined operation by pressing,
Or the combined action with nails,
Or the binding operation with Velcro (registered trademark)
By
From the top of the head fixing part or the housing,
The headphone with reverberation according to claim 2, wherein the headphone can be freely attached and detached. The two housings that cover the left and right ears are joined, and there is a pressure adjustment slide located behind the head,
The headphone with reverberation according to claim 1, wherein pressure applied to the ear pad bag can be adjusted. A pillow base made of a material with cushioning properties similar to those used for sleeping,
A position fixing fixture for connecting the left and right housings;
A housing position adjustment unit located at the rear or upper part of the head and connected to the position adjustment fixture;
A housing cover that covers the housing and has a chuck or button;
Have
According to the size of the user's head, usage conditions, and preferences, the distance between the housings that contain the ear pad bags that hit the left and right ears can be adjusted and fixed. Headphones with reverberation. A liquid in which pressure is applied to the earpad bag;
A liquid filling port on the surface that contacts the soft ear pad,
Have
The headphone with reverberation according to claim 1, wherein an ear pad bag can be inserted into the ear hole in an earphone shape. A temperature adjusting unit in the ear pad bag;
An electric wire to the temperature adjustment unit;
Have
The headphone with reverberation according to claim 1, wherein the liquid in the ear pad bag is kept at a constant temperature by being kept warm or cooled by electric means.