JP2002191469A - Seat and headrest - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enjoy a personally desirable music or the like without bothering other people by adopting this seat and this headrest for a seat of various kinds of vehicles such as an automobile or a train, and listen to the music or the like without a feeling of incongruity while ensuring a sufficient visibility. SOLUTION: Bar shape members 7L and 7R are formed into a shape which is extended forward, and bend downward, respectively. Then, an emitting section 8 which emits the outputs of speakers 6L and 6R is formed at the areas of the bar shape members 7L and 7R which bend downward and are extended from both end sections of the headrest 6.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seat and a headrest, and can be applied to, for example, seats of various moving bodies such as automobiles and trains. According to the present invention, a rod-shaped member is formed so as to extend in a forward direction from both ends of the headrest and bend downward, and a radiating portion for radiating the output of the speaker is formed in a portion which is bent downward and extends below the rod-shaped member. By doing so, it is possible to enjoy music or the like personally desired without disturbing others, to ensure sufficient visibility and to listen to music or the like without discomfort.

[0002]

2. Description of the Related Art Conventionally, in an automobile, all passengers can listen to music or the like by using speakers arranged at the front and rear portions of the vehicle. On the other hand, a method of arranging a speaker in a headrest of a seat or the like has also been proposed (Japanese Patent Application Laid-Open No. 56-19797). In the method of arranging the speakers in such a headrest or the like, it is possible to enjoy music or the like desired personally without disturbing other passengers.

[0003]

However, in such a conventional method of arranging a speaker in a headrest or the like, the sound image is unnaturally localized due to the sound source being arranged rearward, giving a sense of incongruity. There is.

As one method of solving this problem, a method of arranging a speaker in front of the side of the face can be considered, but this has a problem in that the field of view is obstructed. In addition, when the view is blocked in this way, discomfort due to oppression is given to the passenger. In severe cases, it may hinder safe driving for the driver.

The present invention has been made in consideration of the above points, and has as its object to propose a seat and a headrest which can ensure a sufficient field of view and allow a user to listen to music or the like without feeling uncomfortable.

[0006]

According to the first or seventh aspect of the present invention, there is provided a rod-like member which extends at least from both ends of a headrest in a forward direction, is bent and extends downward. Having members,
When viewed from the side, a portion extending downward can be arranged between the ear and the eyes of the seated user, and the speaker output is radiated from the downward extending portion toward the user's ear. Radiating part is formed.

According to the first or seventh aspect of the present invention, there is provided a rod-shaped member having a shape extending at least from both ends of the headrest in a forward direction, bending and extending downward, when viewed from the side. In addition, a portion extending downward can be arranged between the ears and eyes of the seated user,
Since the radiating portion that radiates the output of the speaker toward the user's ear is formed from the portion extending downward, the bar-shaped member does not enter the field of view when the seated user is looking at the front. Thus, a sound image can be formed ahead. In addition, even when the face is moved left and right, only the part extending downward can be seen, so that it is possible to prevent trouble in work such as driving. As a result, a sufficient field of view can be ensured, and music and the like can be sampled without any discomfort.

[0008]

Embodiments of the present invention will be described below in detail with reference to the drawings.

(1) First Embodiment (1-1) Configuration of First Embodiment FIG. 2 is a plan view showing the interior of an automobile according to a first embodiment of the present invention. In the interior of the car 1,
Two sheets 2A and 2B, 2 in the front row and the back row, respectively.
C and 2D are arranged, and each of the seats 2A to 2D is personally provided with music or the like without disturbing other passengers.
It is made so that you can enjoy it.

In the vehicle 1, the information providing device 3
By analyzing signals obtained from various sensors arranged in the vehicle 1, various conditions inside and outside the vehicle, the condition of the vehicle, and the like can be grasped, and various information can be obtained according to the grasped conditions. Providing to users. That is, the information providing device 3 detects, for example, a change in the physical characteristics of the driver as an indoor situation, and when the driver is attacked by sleep, tired, nervous, or the like. In some cases, information is provided to the driver through appropriate messages. Similarly, information such as a change in weather, which is one of information outside the vehicle, and a decrease in gasoline, which is one of the conditions of the vehicle, is similarly provided to the driver by voice. In addition, information from various sources such as a radio is provided to the driver in response to the driver's instruction by operating the driver or analyzing the voice instruction. In the same manner, various information is provided to other passengers according to the passenger's own condition, the condition inside the vehicle, the condition outside the vehicle, the condition of the vehicle for each passenger, and the request of each passenger is also provided. Provides information from various sources to each passenger.

In this process, the information providing device 3 forms an anthropomorphic information providing entity, and provides various types of information to the passengers as if a human is providing the information. Therefore, when notifying the passenger of information such as the status of the vehicle to the passenger, the information providing device 3 notifies the passenger of the information by voice synthesis or by reproducing recorded voice data.

For this reason, the information based on the audio signal and the audio signal provided by the information providing device 3 is provided to each of the seats 2A to 2D in such a manner that the passengers seated on each of the seats 2A to 2D receive the other passengers. It can be provided so as not to bother others.

FIG. 3 is a side view showing each of the sheets 2A to 2D. In addition, since each sheet 2A to 2D has the same configuration, in this embodiment, the sheet 2A will be described. Here, the sheet 2A is configured so that the front and rear positions, the inclination, and the like can be adjusted in the same manner as a normal sheet.

In the seat 2A, vibration units 4A and 5A are arranged on a seat 4 and a backrest 5, respectively. Here, the vibrating units 4A and 5A are vibrating mechanisms that generate heavy bass, and are configured by predetermined speakers. When providing the information by the audio signal from the information providing device 3, the vibration units 4A and 5A extract a component having a lower frequency than an addition signal obtained by adding the right channel audio signal and the left channel audio signal, It is driven by the resulting bass signal. The vibration units 4A and 5A are configured to provide the vibration caused by such a deep bass signal to the occupant seated on the seat 2A by utilizing bone conduction. With this, sheet 2
A is capable of providing a deep bass sound to the occupant of the seat 2A to provide an audio signal with a high sense of realism.

Further, the seat 2A has a headrest 6 disposed above a backrest 5. This headrest 6
As in the case of a normal seat, the unit is configured so as to be detachable, adjustable up and down, and back and forth, and includes units for middle / low-pitched sound and treble.

As shown in FIGS. 1 (A) and 1 (B), the mid-low sound unit is constituted by a speaker 6A disposed substantially at the center of the headrest 6. When the information providing device 3 provides information based on an audio signal, the middle / low-tone unit is driven by a middle / low-tone signal generated by separating a frequency band of a low / low tone having low directivity from the above-described added signal. . The headrest 6 is a speaker 6
In order to transmit the sound of A to the occupant efficiently and without distortion, the cloth is partially selected in the vicinity of the speaker 6A. Thereby, the seat 2A is configured to provide the low-pitched audio signal to the occupant seated in the seat 2A by the low-pitched sound unit.

The treble unit is composed of treble speakers 6L and 6R, and acoustic guides 7L and 7R for guiding the outputs of these speakers 6L and 6R, respectively.

The loudspeakers 6L and 6R are disposed inside and at both ends of the headrest 6, respectively, and the left-channel audio signal and the left-channel generated by separating a high-frequency frequency band having higher directivity than the right-channel audio signal are generated. It is driven by the treble signal and the right channel treble signal.

The sound guides 7L and 7R are constituted by hollow rod-shaped members, and are disposed at both ends of the headrest 6 and on the front side. The sound guides 7L and 7R are attached such that one ends thereof enter the inside of the headrest 6 above the headrest 6, and holding ends of the speakers 6L and 6R are formed at the ends of the one ends. This makes the sound guide 7L
And 7R, the air vibrations generated by the speakers 6L and 6R propagate through the hollow interior from the holding portion side.

Further, the sound guides 7L and 7R are mounted so that they extend forward from one end and are gently folded back, and the other end enters the inside of the headrest 6 at the lower portion of the headrest 6. The sound guides 7L and 7R are arranged such that the other end is terminated by a sound absorbing member or the like so that the air vibration propagating inside is not reflected at the other end and that sufficient acoustic characteristics can be secured as a whole. It has been done.

The acoustic guides 7L and 7R
By arranging both ends above and below the headrest 6 in this way, the headrest 6 is formed so as to be folded back at the front side of the headrest 6 when viewed from the side, so that the whole becomes substantially U-shaped. The sound guides 7L and 7R are arranged so that the downwardly extending portion, which is the foremost portion due to such folding, is located between the eyes and ears of the occupant when viewed from the side, and has a height substantially equal to the ear height. It is formed so that it becomes.

Thus, the sound guides 7L and 7R are formed so as to form large openings on the sides of both ears, and the openings do not give a feeling of oppression to the occupant. In particular, when the occupant turns his / her face to the front because the forwardmost portion extending downward is set to be between the occupant's eyes and ears when viewed from the side. The sound guides 7L and 7R can be prevented from entering the field of view of the occupant. As a result, the occupant's view is sufficiently ensured, so that the occupant is not given a feeling of oppression.

Further, since the portion arranged in this way and extending downward is located between the eyes and ears of the occupant when viewed from the side, for example, when the driver leans left or right, Although it is in the field of view of the hand, only the part that extends downward, such as the window frame of the windshield, partially blocks the field of view, thereby ensuring sufficient visibility so that it does not hinder driving. Can be. Thus, the headrest 6 is arranged on both sides of the ear in this way, and the sound guides 7L and 7R are arranged so as not to be in the field of view, and the sound guides 7L and 7R are separated from the ear by a certain distance when viewed from above. It is formed to have a sufficient size in the lateral direction so as to be positioned, so that the occupant is not given a feeling of oppression. Sound guide 7L
And 7R are such that, based on a standard sized person at the destination of the vehicle, the foremost part of the turn is between the eyes and ears of the occupant when viewed from the side. Has been done.

The acoustic guides 7L and 7R are further formed with a plurality of openings 8 on the side of the ear with the center on the front side of the ear viewed from the side, thereby forming the speakers 6L and 6R.
A radiating portion for radiating the output of each of the above toward the ear is formed. Thus, the sound guides 7L and 7R provide the middle and high frequency audio signals generated by the speakers 6R and 6L to the occupant from the front and side of the occupant, respectively, so that the sound image is localized in front of the occupant. It has been done. Thus, in this embodiment, a sufficient field of view can be ensured so that music and the like can be previewed without discomfort.

Further, the sound guides 7L and 7R are made of a transparent member, so that even if the occupant leans his or her face to the left or right and partially obstructs the occupant's view, the sound guide is completely obstructed. So that no shadows are formed.

Further, the sound guides 7L and 7R are indicated by arrows A
As shown by, it is configured to be able to expand and contract back and forth, so that the amount of protrusion from the headrest 6 can be changed. This allows even small children, for example,
In addition, even a well-built passenger can sufficiently listen to music and listen to music without any discomfort.

The headrest 6 is provided with ducts for the speakers 6A, 6R, 6L and the like so that the audio guides 7L and 7R and the speaker 6A can provide an audio signal to a passenger with sufficient frequency characteristics. It has been made.

Further, the sound guides 7L and 7R are indicated by arrows B
As shown by, they are configured to be able to turn to the left and right, respectively, so as to be able to turn to a position where they do not interfere, for example, when talking with a passenger sitting next to the rear seat.

Further, the sound guides 7L and 7R are made of a flexible member, so that the safety of the occupants is sufficiently ensured even if the sound guides 7L and 7R are hit when getting on or off, or even in the case of an accident. It has been made possible.

According to the above construction, the bar-shaped member is formed so as to extend forward from both ends of the headrest and bend downward, and the output of the speaker is bent and extended below the bar-shaped member. By forming a radiating part to radiate, it is possible to enjoy personally desired music etc. without disturbing others, to ensure sufficient visibility and listen to music etc. without discomfort it can.

Further, since the downwardly extending portion is further bent and the distal end thereof is disposed on the headrest, sufficient strength can be secured.

Further, the rod-shaped member is formed of a hollow member, a speaker is disposed at one end of the rod-shaped member, and a radiating portion is formed by an opening for radiating air vibration propagating inside the rod-shaped member. It can be located inside the headrest to localize the sound image forward.
Thereby, a speaker can be freely selected.

Further, by forming the rod-shaped member from a transparent member, the visibility can be further prevented.

Further, by forming the rod-shaped member from a flexible member, an accident of the occupant can be effectively avoided.

(2) Second Embodiment FIG. 4 is a side view showing a headrest applied to an automobile according to a second embodiment of the present invention. In this embodiment, an acoustic guide 7 according to the first embodiment is used.
The configuration is the same as that of the first embodiment except that bar members 17R and 17L are arranged instead of R and 7L.

Here, the rod members 17R and 17L are
Instead of arranging the speakers 6R and 6L and the opening 8, the sound guides 7R and 7L are configured in the same manner as the acoustic guides except that the loudspeaker 20 is directly disposed at the opening 8 to form a radiation part.

As shown in FIG. 4, the same effect as in the first embodiment can be obtained even if the radiating section is formed by directly disposing the speaker on the bar-shaped member.

(3) Other Embodiments In the above-described embodiment, a case has been described in which the rod-shaped member is configured so that both ends are connected to the headrest. However, the present invention is not limited to this, and for example, As shown in FIG. 5, as in the case where the rod-shaped member is formed by removing the lower half, the point is that the rod-shaped member is formed so as to extend forward from both ends of the headrest and bend downward. The same effects as those of the above-described embodiment can be obtained.

Further, in the above-described embodiment, the case where the bar-shaped member is configured to be extendable and retractable and rotatable has been described. However, the present invention is not limited to this. The function may be omitted. Moreover, the whole or a part may be constituted by a flexible member so that the bending position or the like can be freely adjusted.

Further, in the above-described embodiment, the case where the rod-shaped member is formed by the transparent member has been described. However, the present invention is not limited to this, and can be formed by various members as needed.

In the above-described embodiment, the case where the backrest and the headrest are formed separately has been described. However, the present invention is not limited to this, and is widely applied to the case where the backrest and the headrest are integrally formed. can do.

In the above-described embodiment, the case where the present invention is applied to a seat of an automobile has been described. However, the present invention is not limited to this, and may be applied to a seat of various moving means such as a train. Further, the present invention can be widely applied to not only the sheet of the moving means but also, for example, a sheet used indoors.

[0043]

As described above, according to the present invention, a rod-shaped member is formed so as to extend forward from both ends of the headrest and bend downward, and to be formed at a portion which is bent downward and extends below the rod-like member. By forming a radiating portion that radiates the output of the speaker, it is possible to enjoy music or the like that is desired personally without disturbing others, and secure sufficient visibility to play music and the like without discomfort. You can listen to it.

[Brief description of the drawings]

FIG. 1 is a plan view showing a headrest applied to an automobile according to a first embodiment of the present invention.

FIG. 2 is a plan view showing an automobile using the headrest of FIG. 1;

FIG. 3 is a side view showing a seat of the automobile shown in FIG. 2;

FIG. 4 is a side view showing a headrest of a seat applied to a second embodiment.

FIG. 5 is a side view showing a headrest of a seat applied to another embodiment.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Automobile, 2A-2D ... Seat, 3 ... Information application means, 6 ... Headrest, 6A, 6R, 6L, 20 ...
... Speaker, 7R, 7L ... Sound guide, 8 ... Aperture,
17R, 17L ... rod-shaped member

──────────────────────────────────────────────────続 き Continued on the front page (51) Int.Cl. ⁷ Identification symbol FI Theme coat ゛ (Reference) H04R 5/02 H04R 5/02 F

Claims (7)

[Claims] 1. A seat capable of providing various information to a seated user from a predetermined speaker, comprising a rod-shaped member which extends at least forwardly from both ends of a headrest, is bent and extends downward. When viewed from the side, the downwardly extending portion can be arranged between the seated user's ear and eye, and the downwardly extending portion is directed toward the user's ear from the downwardly extending portion. A sheet having a radiating portion for radiating an output of a speaker. 2. The bar-shaped member according to claim 1, wherein the downwardly extending portion is further bent and a tip is disposed on the headrest.
Sheet. 3. The seat according to claim 1, wherein the radiating portion is formed by the speaker arranged at the portion extending downward. 4. The bar-shaped member is a hollow member, the speaker is disposed at one end of the bar-shaped member, and the radiating portion radiates air vibration output from the speaker and propagated inside the bar-shaped member. The sheet according to claim 1, wherein the sheet is formed by an opening. 5. The sheet according to claim 1, wherein said rod-shaped member is formed of a transparent member. 6. The sheet according to claim 1, wherein said rod-shaped member is formed of a flexible member. 7. A headrest that can be attached to a seat and that can provide various information to a seated user from a predetermined speaker, wherein the headrest is bent forward by extending at least from both ends to the front, and extends downward. A bar-shaped member, wherein when viewed from the side, the portion extending downward can be arranged between the ears and eyes of the seated user, and the user can be positioned more than the portion extending downward. A headrest, wherein a radiating portion that radiates the output of the speaker toward an ear of the user is formed.