JP2007180733A - Ear pad for headphones - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide headphones that greatly ease a pain in the external ears resulting from pressure deformation by adjusting ear pads according to individual's differences between the external ears, and a spectacle frame and temporals. <P>SOLUTION: The headphones 1 have shape memory alloys 8 with insulating films 2 embedded in the ear pads 3. Further, the shapes of the ear pads can be changed into arbitrary shapes that a user requests, so a sound leak and deterioration in sound quality can be prevented without impairing a feeling of fitting to the ears. Further, the ear pads can be deformed into the shapes before use through heat generation of the shape memory alloys by electrifying the shape memory alloys. Consequently, the ear pads 3 for ear mounting structure can repeatedly be used. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to a structure of an ear pad material that can be employed in a device for pressing an ear, such as headphones, ear muffs, and a helmet.

  For those who wear spectacles to correct vision and protect eyes, when wearing devices that hold down the ears, such as sealed headphones, ear muffs, and helmets, long-term use due to the side pressure from the ear pad material is very It was accompanied by great pain.

  On the other hand, as shown in Patent Document 1, the thickness or hardness of the ear pad material is continuously deformed for a while to prevent sound leakage and deterioration of sound quality without impairing the fit to the ear. The ear pad material that can be used is adopted.

In addition, as shown in Patent Document 2, an elastic spring member for pressing the skull from the left and right is used to compress and support the user's head, and individual differences in the distance between the top of the head and the auricle Headphones that automatically adjust according to the sound and prevent sound quality deterioration are adopted.
Furthermore, as shown in Patent Document 3, the shape of the elastic foam polymer that is sandwiched and integrated with the shape memory alloy is made into an elliptical shape that matches the length of the concha and the width of the concha. And headphones that are easy to wear are used.

JP 2003-333678 A JP 05-208470 A JP-A-63-156498

  For those who wear spectacles, the ear mounting structure in which both ears such as sealed headphones, earmuffs, and helmets are sandwiched from the outside may feel pain when the outer ear is compressed and deformed and used for a long time.

  In the ear mounting structure as shown in Patent Documents 1 to 3, since the repulsive force against the deformation of the earpad is directly applied to the spectacle frame, it does not lead to a fundamental solution.

  Moreover, in the ear mounting structure as shown in Patent Documents 1 to 3, the ear pad cannot be adjusted according to individual differences from the outer ear, the spectacle frame, and the temporal region. It is.

  The present invention is intended to solve such a conventional problem, and the ear pad can be adjusted according to individual differences with the outer ear, the spectacle frame, and the temporal region, so that the pain caused by compressing and deforming the outer ear can be greatly improved. It is an improvement. To achieve this, a shape memory alloy with an insulating coating is embedded in the earpad.

  Moreover, since the ear pad shape can be changed to an arbitrary shape required by the user, sound leakage and sound quality deterioration can be prevented without impairing the fit to the ear. Further, after use, the shape memory alloy can be energized to be deformed to the shape before use due to its heat generation. Accordingly, an object of the present invention is to provide an ear pad for an ear mounting structure that can be used repeatedly.

In the present invention, a shape memory alloy with an insulating coating is embedded in the earpad. Thereby, when the user presses once at the time of wearing, the shape memory alloy memorizes the outline of the temporal region including the spectacle frame and the outer ear, and the ear pad can be deformed into a shape that does not cause trouble.
Moreover, since the shape memory alloy of the insulating film embedded in the ear pad receives a repulsive force against the deformation of the ear pad, an unpleasant repulsive force is not applied to the user.

  Furthermore, in the present invention, the shape recovery can be achieved by energizing the shape memory alloy, and the shape repeatedly requested by the user can be stored.

  By using the ear mounting structure having the ear pad of the present invention, the ear mounting structure for sandwiching both ears such as a sealed headphone, an earmuff and a helmet from the outside for a person wearing spectacles is caused by pressing and deforming the outer ear for a long time. Pain caused by use can be suppressed.

Furthermore, since the ear pad shape can be changed to an arbitrary shape required by the user, sound leakage and sound quality degradation can be prevented without impairing the fit to the ear. Further, after use, the shape memory alloy can be energized to be deformed to the shape before use due to its heat generation. Thereby, an expensive ear pad for an artistic ear mounting structure that can be used repeatedly by various people can be provided.

Preferred form for carrying out the invention

As shown in FIG. 1, a shape memory alloy 8 is attached inside an ear pad 3 which is a device for pressing an ear. Further, as shown in FIG. 2, an insulating film 9 is applied to the shape memory alloy 8. As shown in FIG. 1, the shape of the shape memory alloy 2 to which the insulating film inside the ear pad 3 is applied has a spiral shape, and one or several of the shape memory alloys 2 are arranged. Moreover, the thickness of the both ends of the spiral shape memory alloy 2 to which the insulating film inside the ear pad 3 is applied is assumed to be continuously changed for a while as shown in FIG. Furthermore, as shown in FIG. 3, in order to energize the shape memory alloy, the power distribution method is devised.
Example 1

FIG. 1 is a diagram illustrating a headphone 1 according to a first embodiment, FIG. 2 is a diagram illustrating an example of a shape memory alloy in an ear pad 3 of the headphone 1, and FIG.

  When the user wears the headphone 1 as an ear wearing device in a state of being sandwiched in the head, the shape memory alloy 8 memorizes the contour of the temporal region including the spectacle frame and the outer ear, which causes trouble. The ear pad 3 of the headphones 1 can be deformed into a shape that does not exist. Further, since the shape memory alloy 8 embedded in the ear pad 3 receives a repulsive force against deformation of the ear pad 3, no unpleasant repulsive force is applied to the user. Further, in the present invention, the shape memory alloy 8 is energized to recover the shape and to memorize the shape repeatedly requested by the user.

  As shown in FIG. 2, the insulating film 9 is attached to the shape memory alloy 8 in the ear pad 3 of the headphone 1 in order to prevent the heat generated by energization at the time of shape recovery from affecting the ear pad 3. To do.

  As shown in FIG. 3, the shape of the shape memory alloy 2 with the insulating coating inside the ear pad 3 has a spiral shape, and one or several shapes are arranged, and the shape is memorized in the shape required by the user. Make it easy. Further, when the shape is memorized in the shape required by the user, the shape memory alloy 2 with the insulating coating inside the ear pad 3 is bent by the user, so the shape memory alloy 2 with the insulating coating is bent. However, there is a possibility that a problem that the wiring is not sufficiently provided in the ear pad 3 may occur. In order to solve the problem, as shown in FIG. 3, the size of the end of the shape memory alloy 2 provided with the insulating coating inside the ear pad 3 is continuously changed for a while. Thereby, even after the user bends the shape memory alloy 2 to which the insulating film inside the ear pad 3 is applied, the wiring can be sufficiently provided in the ear pad.

In addition, as shown in FIG. 1, the shape memory alloy 2 having an insulating coating inside the ear pad 3 of the headphone 1 has a shape with an insulating coating in order to further prevent the pain caused by pressing and deforming the outer ear for a long time. The arrangement of the memory alloy 2 inside the ear pad 3 is assumed to be close to the outer ear side. Thereby, more repulsive force of the ear pad 3 can be supported.
(Example 2)

  FIG. 4 is an explanatory diagram of the earmuff 10 of the second embodiment.

  The shape memory alloy 8 in the earpad 3 of the earmuff 10 is attached with an insulating coating 9 as in Example 1 (FIG. 2).

  The shape of the shape memory alloy 2 provided with the insulating coating inside the ear pad 3 of the ear muff 10 is continuously changed for a while as in Example 1 in the size of the shape memory alloy 2 provided with the insulating coating inside the ear pad 3. Shall be allowed to.

Further, as shown in FIG. 4, the shape memory alloy 2 to which the insulating film of the earmuff 10 is applied is placed inside the ear pad 3 so as to be close to the outer ear side. Thereby, more repulsive force of the ear pad 3 can be supported.
(Example 3)

  5 is an enlarged view of the helmet 15 of Example 3, FIG. 6 is an enlarged view of the cheek pad of the helmet of Example 3, FIG. 7 is a shape memory alloy in the cheek pad of the helmet of Example 3, and FIG. It is explanatory drawing about the example of the shape of the shape memory alloy in a cheek pad, and the wiring diagram of conducting wire.

  As shown in Example 1, the insulating film 9 is attached to the shape memory alloy 8 in the cheek pad 12 of the helmet 11 (FIG. 2).

  The shape memory alloy 15 provided with an insulating film disposed inside the cheek pad 12 of the helmet 11 is assumed to have a shape as shown in FIG.

  Further, as shown in FIG. 7, the arrangement of the shape memory alloy 15 with the insulating coating of the helmet 11 inside the cheek pad 12 is made closer to the outer ear side. Thereby, more repulsive force of the cheek pad 12 can be supported.

  In addition to the headphones 1, earmuffs 10, and the helmet 11 described in the embodiments, the present invention can be generally used in a device that presses the skull from the left and right and attaches to the ear.

Earphone and shape memory alloy of headphones having ear mounting structure of Example 1 Shape memory alloys in ear pads of Example 1 and Example 2 Example of shape memory alloy shape and lead wiring diagram in ear pads of Example 1 and Example 2 The earmuff ear pad and the shape memory alloy having the ear mounting structure of Example 2 Example 3 Helmet Expansion of the cheek pad of the helmet of Example 3 Shape memory alloy in cheek pad of helmet of Example 3 Example of shape memory alloy shape and lead wiring diagram in cheek pad of helmet of Example 3

Explanation of symbols

1 Headphone 215 Shape memory alloy 3 with insulating coating 4 Ear pad 4 Housing portion 5 Connection bridge portion 6 Speaker unit 7 Conductor 8 Shape memory alloy 9 Insulating coating 10 Ear muff 11 Helmet 12 Cheek pad 13 Center pad 14 Shell

Claims (5)

  An earphone for a headphone in which a shape memory alloy is disposed inside the headphone earpad material, and the headphone earpad material can be transformed into an arbitrary shape.   An earmuff earpad that allows a shape memory alloy to be placed inside the earmuff earpad material, and the earmuff earpad material can be transformed into an arbitrary shape.   A headset pad that allows shape memory alloys to be placed inside the headset's ear pad material, allowing the headset's ear pad material to be deformed into any shape.   A cheek pad for a helmet that allows a shape memory alloy to be placed inside the helmet's ear pad material and transform the helmet's ear pad material into an arbitrary shape. In the shape memory alloy disposed inside the ear pad material according to claims 1 to 4, the shape of the shape memory alloy disposed inside the ear pad material deformed into an arbitrary shape is restored to the initial shape by utilizing heat generated by energization. A pad that can be used repeatedly by transforming the ear pad material into an initial shape.