JP3107718U - headphone - Google Patents

Abstract

To provide a headphone capable of continuously adjusting sound quality in accordance with the type of music or the taste of a viewer.
SOLUTION: A sound quality adjusting hole 10 penetrating the housing is provided in a part of housings 5 and 6 in which a speaker unit 13 is accommodated, and a sound quality adjusting mechanism 12 is provided in a portion of the sound quality adjusting hole 10. The sound quality adjustment mechanism 12 is disposed inside the housings 5 and 6 and the operation knobs 20 are disposed inside the housings 5 and 6, and the opening degree of the sound quality adjustment hole 10 is continuously adjusted in conjunction with the operation knobs 20. And a sound quality adjusting plate 21 to be adjusted.
[Selection] Figure 3

Description

  The present invention relates to headphones, and more particularly to headphones capable of continuously adjusting sound quality.

  Of the headphones, those with a structure that is attached to both ears of the head with a band are often used for music appreciation because they are excellent in sound quality and are suitable for long-time use. The general structure of this type of headphones is such that a pad with a cushion material such as urethane inside is attached to one side peripheral portion of a housing made of a molded product such as synthetic resin. This structure is exactly the same for both the left and right ears, and these two units are connected by a band.

  By the way, considering the sound in the low frequency range, especially in the heavy low frequency range, the sound generated by the case where the inside of the housing is sealed and the case where a communication hole with the outside is provided in a part thereof is generated. It has been determined that there are differences in pressure levels. Therefore, a mechanism for providing a hole communicating with the outside of the housing and opening and closing the hole in accordance with the type of music or the taste of the viewer has been considered and put into practical use.

  A conventional sound quality switching mechanism for headphones is disclosed in Japanese Utility Model Laid-Open No. 5-18193.

  FIG. 7 is a cross-sectional view showing a sound quality switching mechanism for headphones disclosed in the above-mentioned publication. In the figure, a speaker unit (speaker unit) 102 is accommodated in a housing 101. A pad is attached to the outer periphery of the lower part (not shown) of the housing to form an ear pad. A part of the housing 101 is formed in a recess 103. Two protrusions 104 and 105 are provided at a predetermined distance from each other, and metal rings 106 and 107 are attached to the respective outer peripheral portions. Yes. One of the two convex portions 104 and 105 is provided with a hole 108 communicating with the inside and outside of the housing. The seesaw switch 109 rotates about a shaft 110 supported by the housing 101 by a structure (not shown). Magnets 111 and 112 are attached to portions of the lower surface of the seesaw switch 109 corresponding to the convex portions 104 and 105 of the housing 101. Both end portions of the seesaw switch 109 are formed in the push button portions 113 and 114, and the user presses these portions with a finger.

  In the headphone configured as described above, when the low frequency characteristics are to be changed, either the push button 113 or 114 of the seesaw switch 109 is pressed to attract the ring 106 and the magnet 111 or the ring 107 and the magnet 112. . In the state shown in the figure, the ring 107 and the magnet 112 are attracted, and the hole 108 provided in the housing 101 is closed by the seesaw switch 109 functioning as a lid member. In this case, the headphones emit a sound in a state where the housing 101 is in a sealed type.

Next, when the push button 113 of the seesaw switch 109 is pressed, the ring 106 and the magnet 111 are attracted, and the magnet 112 is detached from the ring 107. As a result, the hole 108 of the housing 101 opens to the outside, so that the housing 101 becomes a non-sealing type and generates sound of sound quality corresponding to the non-sealing type.
Japanese Utility Model Publication No. 5-18193

  However, with the headphones having the above-described structure, it is possible to obtain two types of sound quality by opening and closing the hole 108, but it is difficult to match the type of music or the taste of the viewer with only two types of sound quality.

  In view of the above-described problems, an object of the present invention is to provide a headphone capable of continuously adjusting the sound quality according to the type of music or the taste of the viewer.

  The headphone according to claim 1, which has been made to solve the above-mentioned problems, is provided with a sound quality adjustment hole penetrating the housing in a part of the housing in which the speaker unit is accommodated, and the sound quality adjustment hole portion. The sound quality adjusting mechanism is provided with an operation knob disposed outside the housing, and the sound quality adjusting mechanism is disposed inside the housing and continuously adjusts the opening degree of the sound quality adjusting hole in conjunction with the operation knob. And a sound quality adjusting plate to be adjusted.

  The headphone according to claim 2, which has been made to solve the above-mentioned problems, is provided with a sound quality adjusting hole penetrating through the housing in a part of the housing in which the speaker unit is accommodated, and the sound quality adjusting hole portion. The sound quality adjusting mechanism is provided with an operation knob disposed outside the housing, and the sound quality adjusting mechanism is disposed inside the housing and continuously adjusts the opening degree of the sound quality adjusting hole in conjunction with the operation knob. The operation knob includes a disc-shaped portion, a boss that is integrally formed projecting from the center of the back surface of the disc-shaped portion, and a stopper that projects from the outer periphery of the disc-shaped portion. A plurality of through holes are formed on the surface of the disk-shaped portion, and an arrow-shaped index portion is formed in accordance with the position of the stopper, and the boss is provided on the housing. Mounting The sound quality adjustment plate is fixed via the stopper, the stopper is slidably fitted in an arc-shaped groove formed on the surface of the housing, and the operation knob is fitted to the arrow-shaped index portion. It can be rotated by a predetermined angle from the position of a reference line provided on the housing until the stopper comes into contact with the end of the arcuate groove, and the sound quality adjusting plate is interlocked with the operation knob. The rotation of the housing changes the degree of overlap with the sound quality adjustment hole of the housing and is provided at a position corresponding to the sound quality adjustment hole of the housing so as to continuously adjust the opening degree of the sound quality adjustment hole. It has a sound quality adjusting hole.

  The headphone of the invention according to claim 3, which has been made to solve the above problem, further includes a pad attached to the housing according to claim 1, wherein the housing is provided with the sound quality adjustment mechanism. A first housing member and a disk-shaped second housing member coupled to the first housing member and provided with a speaker unit are formed, and a notch is formed in a part of the outer periphery of the disk of the second housing member. It is characterized by being.

  According to the device of the first aspect, the housing can be continuously adjusted so as to be a sealed type or a non-sealed type.

  According to the second aspect of the present invention, the operation knob can be turned to continuously vary between the high sound range and the low sound range according to the user's preference, and the user can operate the operation knob in advance by operating the operation knob. The housing can be sealed or non-sealed, and then the user can appreciate the music or the like, or can rotate the operation knob to an appropriate position and change the sound quality to the desired sound while listening to the music or the like.

  According to the third aspect of the invention, when the pad is attached to the housing, the pad can be easily mounted on the housing by hooking a part of the inner periphery of the pad to the notch and turning the entire pad in the hooked direction. it can.

  Hereinafter, the best mode of the present invention will be described with reference to the drawings. 1 to 6 are diagrams showing a configuration of a headphone according to the best mode of the present invention, FIG. 1 is a front view, FIG. 2 is an exploded perspective view of the headphone body, FIG. 3 is a cross-sectional view of the headphone body, 4 is an exploded perspective view of the first housing member, FIGS. 5A and 5B are a front view and a rear view of the first housing member, and FIG. 6 is a view for explaining a method of using the sound quality adjusting mechanism. (A) is a principal part sectional view before sound quality adjustment, (B) is a principal part sectional view in a sound quality adjustment MAX state, and (C) is a back view in a sound quality adjustment intermediate state.

  The headphone 1 is composed of two headphone bodies 3 and 4 that are detachably attached to a headband 2.

  The headphone bodies 3 and 4 have exactly the same configuration for the left and right ears. The headphone bodies 3 and 4 are attached to the first housing member 5 made of synthetic resin, the second housing member 6 made of synthetic resin, which is coupled to the first housing member 5 with screws or the like, and constitutes the housing. It consists of a pad 7.

  The first housing member 5 is molded so as to have a recess 5a on one surface exposed to the outside and a recess 5b that forms an internal space of the housing on the other surface. A plurality of bosses 5c are formed near the outer periphery of the recess 5b, and screw holes 5d are formed in the bosses 5c.

  In the concave portion 5a, an arcuate groove 8 that acts as a part of a sound quality adjusting mechanism 12 described later, a mounting hole 9, and a plurality (four in this example) of sound quality adjusting holes 10 are formed. The four sound quality adjusting holes 10 are formed at positions that are cross-shaped with respect to the mounting hole 9.

  In addition, a disc-shaped decorative plate 11 having a substantially semicircular cutout portion 11a for attaching the sound quality adjusting mechanism 12 in part is attached to the recess 5a by a joining means (not shown) such as a double-sided adhesive tape. ing. On the inner periphery of the decorative plate 11 forming the notch portion 11a, a reference line 11b indicating a reference position for sound quality adjustment of the sound quality adjusting mechanism 12, an arrow 11c indicating an adjustment direction for sound quality adjustment, and a maximum adjustment position are shown. The character 11d of “MAX” is provided by means such as printing. The decorative plate 11 has a color coating on the surface, and can be selected from red, blue, black, mirror, white and the like.

  The second housing member 6 is formed in a ring shape having an opening at the center, and the speaker unit 13 is attached to the opening. Further, a plurality of screw through holes 14 are formed in the vicinity of the inner periphery of the ring so as to be aligned with the screw holes 5c of the first housing member 5, and a notch 15 is formed in a part of the outer periphery. .

  The first housing member 5 and the second housing member 6 are coupled by tightening a screw (not shown) into the screw hole 5d of the first housing member 5 through the screw through hole 14 of the second housing member 6, Configure the housing. A gap for attaching the pad 7 is formed between the first housing member 5 and the second housing member 6 in the combined housing.

  The pad 7 has an opening in the center, one surface is formed in a ring-shaped portion 16a and the other surface is formed in a donut-shaped portion 16b, and a cushion material 17 such as urethane is placed inside the donut-shaped portion 16b. The synthetic leather 16 and a cloth 18 attached to the synthetic leather 16 so as to close the opening of the synthetic leather 16 and form a groove 19 between the ring-shaped portion 16a.

  When this pad 7 is attached to the housing, a part of the inner periphery of the ring-shaped portion 16a of the synthetic leather 16 is hooked on the notch 15 of the second housing member 6, and the entire pad 7 is turned in the hooked direction. The entire ring-shaped portion 16 a can be attached to the entire outer periphery of the second housing member 6 in the gap between the first housing member 5 and the second housing member 6.

  The sound quality adjustment mechanism 12 includes an operation knob 20 and a sound quality adjustment plate 21. The operation knob 20 includes a disc-shaped portion 20a that is slightly convexly curved, a boss 20b that is integrally formed by projecting from the center of the back surface of the disc-shaped portion 20a, and a stopper 20c that projects from the lower end of the outer periphery of the disc-shaped portion 20a. Have The tip portion of the boss 20b is formed in a square cross section, and a screw hole is provided at the center thereof.

  A plurality of small through holes 20d are formed on the surface of the disk-shaped portion 20a. Further, on the outer periphery of the surface, an arrow-shaped indicator portion 20e is formed by slightly rising from the surface in accordance with the position of the stopper 20c, and the surface is substantially equidistant from the entire outer periphery with reference to the arrow-shaped indicator 20e. A linear indicator portion 20f slightly raised from is formed.

  The sound quality adjusting plate 21 is formed with a square mounting hole 21a that fits into the square tip of the boss 20b of the operation knob 20 at the center of the disk, and a plurality of (four in this example) around the mounting hole 21a. ) For adjusting the sound quality 21). The four sound quality adjusting holes 21b are formed in a cross-shaped position with respect to the mounting hole 21a.

  In the operation knob 20, the stopper 20 c is slidably fitted into the arcuate groove 8 of the recess 5 a of the first housing member 5, and the tip of the boss 20 b is connected to the first housing member 5 from the outside of the first housing member 5. The sound quality adjusting plate 21 is fitted with a square mounting hole 21a from the inner side of the first housing member 5 to the square tip of the boss 20b of the operation knob 20. The screw 22 with the washer is attached by being fastened to the screw hole of the boss 20b through the attachment hole 21a.

  In the attached state, the arrow-shaped indicator portion 20e of the operation knob 20 is aligned with the reference line 11b of the decorative plate 11 (see FIG. 5), and the sound quality adjustment holes 21b of the four sound quality adjustment plates 21 are Each of the first housing members 5 is positioned so as to be located in the middle of the four sound quality adjusting holes 10 (see FIG. 6).

  Further, the attached operation knob 20 and the sound quality adjustment plate 21 are rotatable in conjunction with the attachment hole 9 of the first housing member 5.

  The headphone 1 configured as described above can continuously adjust the sound quality by the sound quality adjusting mechanism 12 according to the type of music or the taste of the viewer. Hereinafter, the sound quality adjustment method will be described.

  Before the sound quality adjustment, if the arrow-shaped indicator portion 20e of the operation knob 20 is aligned with the reference line 11b of the decorative plate 11, the positional relationship between the sound quality adjustment hole 10 and the sound quality adjustment hole 21b is completely deviated. The housing is hermetically sealed.

  When adjusting the sound quality, if the fingertip is pressed against the arrow-shaped index portion 20e or the linear index portion 20f of the operation knob 20 or the fingernail is hooked to rotate the operation knob 20 clockwise or counterclockwise, the operation knob 20 In conjunction with this, the sound quality adjusting plate 21 also rotates, and the positional relationship between the sound quality adjusting hole 21b of the sound quality adjusting plate 21 and the sound quality adjusting hole 10 of the first housing member 5 changes. Thereby, the opening degree of the sound quality adjusting hole 10 changes according to the position of the sound quality adjusting hole 21b, and the housing is continuously adjusted so as to change from the sealed type to the non-sealed type.

  6A shows a state before the sound quality adjustment, the arrow-shaped indicator portion 20e of the operation knob 20 is aligned with the reference line 11b of the decorative plate 11, and the sound quality adjustment hole 10 is blocked by the sound quality adjustment plate 21. FIG. The housing is a sealed type. In this state, the low frequency range of the reproduction frequency is suppressed, and a thin and sharp natural high frequency range sound is emphasized and reproduced.

  FIG. 6B shows the state of the sound quality adjustment MAX, where the sound quality adjustment hole 10 is fully opened in full agreement with the sound quality adjustment hole 21b, and the housing is an unsealed type. In this sound quality adjustment MAX state, when the operation knob 20 is rotated from the reference line 11 by the arrow-shaped indicator 20e clockwise or counterclockwise by a predetermined angle, that is, 45 degrees, the stopper 20c is placed at the end of the arc-shaped groove 8. Generated by contact. In this state, the sound pressure level in the heavy bass region of the reproduction frequency is maximized, and the heavy bass is emphasized and reproduced.

  FIG. 6C shows an intermediate state of sound quality adjustment, and the sound quality adjustment hole 10 overlaps with a part of the sound quality adjustment hole 21b and is in a half-open state. This intermediate state of sound quality adjustment occurs at an intermediate stage until the sound quality adjustment MAX state is reached when the operation knob 20 is turned. In this state, by changing the overlapping state of the sound quality adjusting hole 10 and the sound quality adjusting hole 21b, the sound quality can be continuously varied between the high sound range and the low sound range according to the user's preference.

  Therefore, the user makes the housing in a sealed type or a non-sealed type by operating the operation knob 20 in advance, and then rotates the operation knob 20 to an appropriate position while listening to music or the like while listening to music or the like. You can change it to your favorite sound quality.

  As described above, the best mode of the present invention has been described. However, the present invention is not limited to this, and various modifications and applications are possible.

  For example, in the above-described best mode, the number of sound quality adjusting holes 10 and 21b is four, but the number is not limited to this and may be any number.

It is a front view which shows the structure of the headphones which concern on the best form of this invention. It is a disassembled perspective view of a headphone main part. It is sectional drawing of a headphone main body. It is a disassembled perspective view of a 1st housing member. (A) And (B) is the front view and back view of a 1st housing member. It is a figure explaining the usage method of a sound quality adjustment mechanism, (A) is principal part sectional drawing before sound quality adjustment, (B) is principal part sectional drawing of a sound quality adjustment MAX state, (C) is a sound quality adjustment intermediate state. It is a back view. It is sectional drawing which shows the sound quality switching mechanism of the conventional headphones.

Explanation of symbols

1 headphone 5 first housing member (part of housing)
6 Second housing member (part of housing)
8 Arc-shaped groove 9 Mounting hole 10 Sound quality adjustment hole 11b Reference line 13 Speaker unit 20 Operation knob 20a Disc-shaped part 20b Boss 20c Stopper 20d Through hole 20e Arrow-shaped index part 21 Sound quality adjustment plate 21b Sound quality adjustment hole

Claims (3)

A sound quality adjustment hole that penetrates the housing is provided in a part of the housing that houses the speaker unit inside,
A sound quality adjustment mechanism is provided in the sound quality adjustment hole,
The sound quality adjustment mechanism includes an operation knob disposed outside the housing, and a sound quality adjustment plate disposed inside the housing and continuously adjusting the opening of the sound quality adjustment hole in conjunction with the operation knob. Headphones characterized by including. A sound quality adjustment hole that penetrates the housing is provided in a part of the housing that houses the speaker unit inside,
A sound quality adjustment mechanism is provided in the sound quality adjustment hole,
The sound quality adjustment mechanism includes an operation knob disposed outside the housing, and a sound quality adjustment plate disposed inside the housing and continuously adjusting the opening of the sound quality adjustment hole in conjunction with the operation knob. Including
The operation knob has a disk-shaped portion, a boss that is integrally formed protruding from the center of the back surface of the disk-shaped portion, and a stopper that protrudes from the outer periphery of the disk-shaped portion,
A plurality of through holes are formed on the surface of the disk-shaped portion, and an arrow-shaped index portion is formed in accordance with the position of the stopper,
The sound quality adjusting plate is fixed to the boss through a mounting hole provided in the housing,
The stopper is slidably fitted in an arc-shaped groove formed on the surface of the housing,
The operation knob can be rotated by a predetermined angle from the position of a reference line provided on the housing so as to be aligned with the arrow-shaped index portion until the stopper comes into contact with the end of the arc-shaped groove. And
The sound quality adjusting plate is rotated in conjunction with the operation knob so that the degree of overlap with the sound quality adjusting hole of the housing changes, and the opening of the sound quality adjusting hole is continuously adjusted. A headphone having a sound quality adjustment hole provided at a position corresponding to the sound quality adjustment hole. The headphones according to claim 1 or 2,
Further comprising a pad attached to the housing;
The housing includes a first housing member provided with the sound quality adjusting mechanism, and a disk-shaped second housing member coupled to the first housing member and provided with a speaker unit.
A headphone characterized in that a notch is formed in a part of the outer periphery of the disc in the second housing member.

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