JP2968472B2 - Headphone device for hearing test - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a headphone device for an auditory test which allows a subject to support a receiver in a desired state.

[0002]

2. Description of the Related Art Conventionally, this kind of technology is disclosed in
As described in JP-A-46684, an extendable suspender member is installed between housing parts connected with a bridge part and having a built-in speaker, and the suspender member presses and supports a user's head. 2. Description of the Related Art A headphone device in which a part is held at a position corresponding to an auricle is known.

Further, as described in Japanese Utility Model Publication No. 7-1918, a headband formed of an elastic body and formed in an inverted U-shape and having a headphone unit attached to the ends of both ends, and both ends pulled by elastic members. While being energized and housed in the headband, the middle part consists of a band-shaped suspender hung inward at both ends of the headband, and is elastically urged to the head by the elastic force of the headband, 2. Description of the Related Art There is known a headphone device in which a band-shaped suspender is wound along a head against a tensile force of an elastic member to press and support the head.

[0004]

In the former described in the prior art, the suspender member presses and supports the user's head, but both ends of the suspender member are fixed to the bridge portion. Due to individual differences such as the size of the user's head and the positions of the apex of the head and the pinna, the amount of elongation of the suspender member is different, and the pressing force on the head and the pinna is different. There is a problem that a comfortable wearing feeling may not be obtained in some cases.

Also, in the latter case, similarly to the former, the amount of expansion of the elastic member differs due to individual differences such as the size of the user's head, and the pressing force on the head and the pinna differs.
There is a problem that a good wearing feeling may not be obtained depending on the user.

The present invention has been made in view of the above-mentioned problems of the prior art, and has as its object the advantage of being free from the influence of individual differences such as the size of the head and providing a favorable result. It is an object of the present invention to provide a headphone device for auditory examination which provides a feeling of wearing and has good operability.

[0007]

SUMMARY OF THE INVENTION In order to solve the above problems, the present invention provides a pair of left and right handset units, a headband unit connecting these handset units, and the handset unit in a desired state for a subject. A headphone device for auditory test comprising an adjust portion supported by the head band portion, wherein the adjust portion is a band member made of an elastic material,
Attachment members provided at both ends of the band member, a fixing member for fixing the center portion of the band member to the center portion of the headband portion, and a band member shorter than the band member and connecting the attachment members, The mounting member is movable along the headband portion according to the size of the subject's head and the like.

[0008]

Embodiments of the present invention will be described below with reference to the accompanying drawings. Here, FIG. 1 is a front view of a state in which a headphone device for auditory examination according to the present invention is mounted, FIG. 2 is a side view of the same, FIG. 3 is a top view of an adjustment unit, FIG.
5 is a front view, FIG. 5 is a plan view (top view, side view, bottom view) of the mounting member, FIG. 6 is a plan view (top view, cross-sectional view, bottom view) of the fixing member, and FIG. 8 is a front view showing a state in which a subject having a longer length from the auricle to the top of the head than the subject shown in FIG.

As shown in FIGS. 1 and 2, a headphone device 1 for auditory examination comprises a pair of left and right sound insulation cups 2 accommodating a handset, and a headband portion 3 connecting the sound insulation cups 2 to each other.
And an adjusting section 5 for supporting the sound insulating cup 2 on the headband section 3 in a state desired by the subject 4. Reference numeral 6 denotes a code for inputting an audio signal to the receiver accommodated in the sound insulating cup 2, and reference numeral 7 denotes a grip used when the headphone device 1 for hearing inspection is attached or detached.

The sound-insulating cup 2 houses an air-conducting handset that allows a subject 4 to hear a hearing test sound in an ear. This is to enable accurate hearing measurement without being disturbed by noise. Therefore, when performing the test in the hearing test room, the headband unit 3 may be directly connected to the air-conducting handset without using the sound insulation cup 2.

The headband portion 3 is made of a substantially U-shaped elastic body (for example, a piano wire, stainless steel, or the like).
The wire-shaped member 8 is covered with a resin 8b. The ends 8a of the wire members 8 facing each other are connected to the sound insulation cup 2.
Is attached to a connecting member 2a provided on a side portion thereof so as to sandwich it. Then, the sound insulating cup 2 is supported by the end 8a of the wire-shaped member 8 and the connecting member 2a so as to be rotatable vertically. When the left and right sound insulating cups 2 are separated from each other by more than the face width of the subject 4, an elastic force is generated in the direction in which the sound insulating cups 2 approach each other to the wire member 8 formed in a substantially U-shape.

As shown in FIGS. 3 and 4, the adjusting portion 5 includes two band-shaped band members 9 and 10 having different lengths.
A pair of right and left mounting members 11 fixed to both ends of the band-shaped band members 9 and 10, and a fixing member 12 for connecting and fixing the center of the longer band-shaped band member 9 and the center of the wire-shaped member 8 to each other. Consists of

The band-shaped band member 9 is formed of an elastic member, for example, a polymer material having a spring property.
Reference numeral 0 denotes a flexible member, that is, a member that is soft and abuts on the head, for example, a fluororesin material, leather, cloth, or the like. Then, the long band-shaped band member 9 and the short band-shaped band member 10 are, as shown in FIG.
a are arranged to face each other and in an arcuate shape.
The long band-shaped band member 9 has its end 9 b fixed to the left and right mounting members 11 and its center fixed to the fixing member 12.
The short band-shaped band member 10 has its end 10 b fixed to the left and right mounting members 11.

As shown in FIG. 5, the mounting member 11 is made up of two male and female pieces 11a and 11b, and the ends 9b and 10b of the band-shaped band members 9 and 10 are connected to the male and female pieces 11a and 11b at the center.
The wire-shaped member 8 is slidably fitted into the hole 11c.

As shown in FIG. 6, the fixing member 12 is made up of two male and female pieces 12a and 12b, and the center of the band-shaped band member 9 is clamped and fixed between the male and female pieces 12a and 12b at the center. Holes 12c are formed at both ends to form a wire-like member 8
Is fixedly inserted into the hole 12c.

In a state where the headphone device 1 for hearing examination is not mounted, mainly the elastic force of the wire member 8 causes
The distance between the opposing surfaces of the left and right sound insulation cups 2 is set to be shorter than the face width of the subject. The left and right attachment members 11 are located closest to the sound insulating cup 2 by the elastic force of the band-shaped band members 9 and 10.

The operation of the headphone device 1 for auditory examination configured as described above will be described. First, as shown in FIG. 1, a case will be described in which a subject 4 having a normal head size wears the hearing examination headphone device 1. Subject 4
When the user holds the left and right grips 7 and separates the left and right sound insulation cups 2 beyond the face width against the elastic force of the wire-like member 8, the left and right mounting members are formed by the predetermined length of the short band-like band member 10 and the bow shape. 11 moves in a direction away from the sound insulation cup 2 along the wire-shaped member 8 against the elastic force of the long band-shaped band member 9.

Next, with the left and right sound-insulating cups 2 separated from each other by more than the face width, the sound-insulating cups 2 are intended to be applied to the auricles while the hearing test headphone device 1 is lowered from above the head. Then, the distance between the mutually facing surfaces of the left and right sound insulation cups 2 is reduced, and the short band-shaped band member 10 is set to a predetermined length and the elastic force of the long band-shaped band member 9 cooperates. The left and right attachment members 11 move along the wire member 8 in a direction approaching the sound insulation cup 2. And the surface 10a of the short band-shaped band member 10 is
When the short band-shaped band member 10 is set to a predetermined length when the abutment is brought into contact with the vicinity of the vertex of the head of the subject 4, the mounting member 11 stops moving and is positioned.

In this state (FIG. 1), the subject 4 has an appropriate mounting force due to the elastic force of the wire-like member 8 and the long band-like band member 9 and the central surface 10a of the short band-like band member 10. Can stably come into contact with the vicinity of the vertex of the head of the subject 4, so that the headphone device 1 for auditory examination can be worn comfortably.

Next, as shown in FIG. 7, a case will be described in which a subject 14 having a longer length from the pinna to the top of the head than an ordinary person wears the headphone device 1 for hearing examination. When the subject 14 holds the left and right grips 7 and separates the left and right sound insulation cups 2 more than the face width against the elastic force of the wire-shaped member 8, the predetermined length of the short band-shaped band member 10 and the bow shape cause The left and right attachment members 11 move away from the sound insulation cup 2 along the wire member 8 against the elastic force of the long band-like band member 9.

Next, with the left and right sound-insulating cups 2 separated by more than the face width, the auditory test headphone device 1 is to be lowered from above the head until the sound-insulating cups 2 are positioned at the pinna. Then, the subject 14 shown in FIG. 7 has a longer vertical distance between the apex of the head and the pinna as compared with the subject 4 shown in FIG. The surface 10 a of the short band-shaped band member 10 abuts near the vertex of the head of the subject 14.

When the sound-insulating cup 2 is further lowered to the position of the pinna, as shown in FIG. 7, the pressing force of the head against the surface 10a of the short band-shaped band member 10 causes the mounting member 11 to move the long band-shaped band member 9 over. Wire-like member 8 against elastic force
Along the direction away from the sound insulation cup 2.

When the sound-insulating cup 2 hits the pinna at the best position, the short band-shaped band member 10 is brought into contact with the surface 10a of the short band-shaped band member 10 near the apex of the head of the subject 14. Since 10 is set to the predetermined length, the mounting member 11 stops moving and is positioned.

In this state (FIG. 7), the subject 14 has an appropriate mounting force due to the elastic force of the wire-shaped member 8 and the long band-shaped band member 9, and the central surface 10a of the short band-shaped band member 10. Can stably come into contact with the vicinity of the apex of the subject's 14 head, so that the hearing examination headphone device 1 can be worn comfortably.

In the headphone device 1 for hearing test,
Since the mounting member 11 of the adjusting portion 5 that engages with the headband portion 3 moves according to the size of the head of the examinees 4 and 14 and the vertical distance between the apex of the head and the auricle, individual differences are present. Is adjusted automatically, and a constant and best wearing force acts on the examinees 4 and 14 regardless of individual differences.

[0026]

As described above, according to the present invention, the adjusting portion is constituted by the band member made of the elastic material and the attaching members provided at both ends of the band member, and the attaching member is attached to the head band portion. Because it can be freely mounted, it is not affected by individual differences such as the size of the head and the vertical distance between the top of the head and the pinna, and adjustments according to individual differences are automatically performed, so good A feeling of wearing is obtained and operability can be improved.

[Brief description of the drawings]

FIG. 1 is a front view of a state in which a headphone device for auditory examination according to the present invention is mounted.

FIG. 2 is a side view of a state in which a headphone device for auditory examination according to the present invention is mounted.

FIG. 3 is a top view of an adjustment unit.

FIG. 4 is a front view of an adjustment unit.

5A and 5B show a mounting member, wherein FIG. 5A is a top view, FIG. 5B is a side view, and FIG.

6A and 6B show a fixing member, wherein FIG. 6A is a top view, FIG. 6B is a cross-sectional view, and FIG.

FIG. 7 is a front view showing a state in which the subject having a longer length from the pinna to the crown than the subject shown in FIG.

FIG. 8 is a side view showing a state in which a subject having a longer length from the auricle to the crown than the subject shown in FIG.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Headphone device for hearing examination, 2 ... Sound insulation cup (receiver part), 3 ... Headband part, 4, 14 ... Subject, 5 ...
Adjusting portion, 8: wire-shaped member, 9, 10: band-shaped band member, 9b, 10b: end portion of band-shaped band member, 11 ...
Mounting member, 12: fixing member.

Claims (1)

(57) [Claims] 1. A pair of left and right handset units, a headband unit connecting these handset units, and an adjustment unit for supporting the handset unit on the headband unit in a state desired by a subject. A headphone device for an auditory test, wherein the adjust portion is a band member made of an elastic material, mounting members provided at both ends of the band member, and fixed to fix a center portion of the band member to a center portion of the head band portion. A member and a band member that is shorter than the band member and connects the mounting members to each other, wherein the mounting member is movable along the headband portion according to the size of the subject's head and the like. A headphone device for hearing examination characterized by the above-mentioned.