JP2018125829A - Sheet acoustic device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a sheet acoustic device capable of enjoying music by a bone conduction speaker while a normal seating posture and an appropriate driving posture are maintained.SOLUTION: A regio-occipitalis-capitis opposed face 7 of a headrest section 2 located at an upper portion of a seat seatback section 1 may be made to be a partially bulging state toward a human occipital region 6 in a normal seated posture. A head receptacle seat 8 having acoustic means by a bone conduction speaker may be incorporated into an inside of the headrest section 2 whose regio-occipitalis-capitis opposed face 7 is made to be a partially bulging state to be a close contact state by filling the headrest section 2 and the human occipital region 6 in a normal seated posture. The head receptacle seat 8 may be formed independent of the headrest section 2 and detachably mounted onto the headrest section 2 to be a close contact state by filling the headrest section 2 and the human occipital region 6 in a normal seated posture.SELECTED DRAWING: Figure 2

Description

  The present invention is provided with acoustic means such as a bone conduction speaker in a head receiving seat that is positioned between the headrest portion and the back of the head of a vehicle seat such as a car or an airplane, and is in close contact with the back of the seating posture. The present invention relates to an acoustic device for seats.

As shown in Patent Document 1, an audio device utilizing bone conduction has been proposed in which only a person using the pillow can enjoy music or the like by using a pillow with built-in acoustic means such as a bone conduction speaker. Yes.
On the other hand, as shown in Patent Documents 2 and 3, such a bone conduction acoustic device is applied to a car, and a bone conduction speaker is provided on the backrest portion or headrest portion of the seat to enjoy music. Proposals have also been made for acoustic devices that can be used.

JP 2007-288745 A JP 2004-191871 A JP 2008-072165 A

As for the acoustic device incorporating the bone conduction speaker described above, as shown in Patent Document 1, the vibration wave is transmitted by directly contacting the back of the human head, and the higher the degree of adhesion, the better the quality. The sound can be easily heard.
On the other hand, in general, headrests of automobiles, airplanes and the like are not in close contact with the back of the head in a normal sitting posture, and a space of about 10 to 15 cm is always generated. I had to deflect it back.
Therefore, in the acoustic devices shown in Patent Documents 2 and 3, the back of the head does not adhere to the acoustic device in a normal sitting posture, and there is a problem that music or the like cannot be enjoyed even if a bone conduction speaker is simply provided on the headrest portion.
In addition, if the head is moved backward in order to bring the back head into close contact with the acoustic device of the headrest portion, the driving posture becomes unnatural and there is a great concern that it may interfere with safe driving.
Furthermore, in Patent Document 2, there is a proposal that the speakers incorporated in the headrest are positioned on both sides of the face. However, in such a state, there is a possibility that right and left confirmation and backward confirmation during driving cannot be performed, and safe driving is performed. Obviously it will be a hindrance.
In view of the above-described circumstances, the present invention does not hinder left-right confirmation and backward confirmation during driving while maintaining a normal seating posture and an appropriate driving posture, and music using a bone conduction speaker while considering safe driving. An object of the present invention is to provide a sound device for a seat that can enjoy the above.

  In order to achieve the above object, an acoustic device for a seat according to a first aspect of the present invention is located between a headrest portion located at an upper portion of a seat backrest portion and a human back of the head, and placed on the back of the seating posture. The head receiving seat in the contact state is provided with acoustic means using a bone conduction speaker.

  According to a second aspect of the present invention, there is provided the seat acoustic device according to the first aspect, wherein the head receiving seat is incorporated in the headrest portion and is in contact with the rear head of the sitting posture. It is characterized by.

  According to a third aspect of the present invention, there is provided the seat acoustic device according to the first aspect, wherein the head receiving seat is separate from the headrest portion and is detachably attached to the headrest portion. It is characterized in that it is in contact with the back of the head of a person in a sitting position when worn.

  According to a fourth aspect of the present invention, there is provided a seat acoustic device according to the first aspect, wherein the head receiving seat is separate from the headrest portion and is pivotally attached to the headrest portion. It is characterized in that it is rotated as necessary and is in contact with the headrest portion and the back of the person in a sitting posture.

  The seat acoustic device according to the first aspect of the present invention can be used in a normal seating posture and an appropriate driving posture without sliding the head, and also obstructs the right / left confirmation and the rearward confirmation during driving. In addition, it has the effect of enjoying music and the like using a bone conduction speaker while considering safe driving. In addition, the head seat according to the present invention is always in contact with the back of the head in the sitting posture, so that in the event of a rear-end collision, it also serves to protect the head firmly and contributes to the safety of passengers. Has an effect.

  In the seat acoustic device according to the second aspect of the invention, since the head receiving seat is incorporated in the headrest portion, if the seat is seated and the switch is turned on, the music can be enjoyed immediately. Have

  In the seat acoustic device according to the first aspect of the present invention, since the head receiving seat is detachable, it has an effect that it can be attached to the headrest portion when necessary to enjoy music and the like.

  In the seat acoustic device according to the first aspect of the present invention, since the head receiving seat is rotatably attached to the headrest portion, the position of contacting the back of the head when necessary without removing and attaching each time. It can be rotated to enjoy music and the like.

These are the acoustic apparatuses for sheets which concern on 1st Embodiment of this invention, Comprising: It is the schematic which shows the state which a head seat seat contact | abuts to a person's back head in a seating attitude | position. (A) It is the acoustic device for seats concerning 2nd Embodiment, Comprising: It is the schematic which shows that the head seat was made to attach or detach using the stay of a headrest part. (B) is a seat acoustic device according to the second embodiment, and is a schematic view showing that the head receiving seat can be attached to and detached from the headrest portion itself. These are the acoustic apparatuses for sheets which concern on 3rd Embodiment, Comprising: It is the schematic which shows having mounted | worn the head seat seat to the headrest part so that rotation was possible.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a first embodiment of a seat acoustic device of the present invention incorporated in a headrest portion 2 of a backrest portion 1 of an automobile passenger seat.

  The headrest portion 2 has a known structure, and basically has a cushion portion 4 made of urethane or sponge on a stay 3 that can be freely inserted into the backrest portion 1. In the embodiment of FIG. 1, the headrest portion 2 is in a state in which a surface 7 facing the back head 6 of the occupant 5 is in a bulging state, and in a normal sitting posture of the occupant 5, the headrest portion 2 is in contact with the back head 6. Yes.

A head receiving seat 8 provided with acoustic means (not shown) using a bone conduction speaker is incorporated into the headrest portion 2 and is attached to the stay 3 located in the cushion portion 4. A portion 9 where the part seat 8 faces the occipital region 6 of the occupant 5 is configured to be flush with the occipital region 7 that is in a bulging state.
In this case, the rear head facing portion 9 of the head receiving seat 8 may be located inside the headrest portion 2 and covered with the surface cover of the headrest portion 2. Further, the headrest portion 2 may be configured to partially protrude from the rear head facing surface 7 and directly contact the rear head 6 of the occupant 5. In either case, the head receiving seat 8 may itself be covered with urethane or sponge.

Note that the acoustic means by the bone conduction speaker is configured such that the sound source is connected from the sound source to the bone conduction speaker by a known wiring circuit, and the vibration wave of the sound source reaches the occipital region 6 through the bone conduction speaker. Specific illustration is omitted.
The sound source switch may be provided directly on the head receiving seat 8 or may be operated by the occupant 5 with an external wiring that can be connected and disconnected. Of course, you may enable it to operate with a remote control.

  FIG. 2 (a) shows a second embodiment of the present invention. The head receiving seat 8 is formed separately from the headrest portion 2, the acoustic means 8 is covered with a cushion material made of urethane or sponge, and a belt 10 for attachment to the headrest portion 2 is provided. . The head receiving seat 8 is wound around and fixed to the stay 3 of the headrest portion 2 by a belt 10. At this time, the head receiving seat 8 is interposed between the rear head 6 of the seated occupant 5 and the headrest portion 2, and comes into contact with the rear head 6 in the seated posture of the occupant 5.

  FIG.2 (b) has shown the other attachment method of 2nd Embodiment of this invention. The head receiving seat 8 here is fixed by winding the belt 10 directly around the headrest portion 2. As a result, the head receiving seat 8 is interposed between the rear head 6 of the seated occupant 5 and the headrest portion 2, and comes into contact with the rear head 6 in the seated posture of the occupant 5.

  FIG. 3 shows a third embodiment of the present invention. The head receiving seat 8 is formed separately from the headrest portion 2. The arm 11 is attached to the left and right sides of the head receiving seat 8, and the other end of the arm 11 is connected to the stay 3 of the headrest portion 2. Utilizing this, it is pivotally attached 12 to be rotatable. By turning the arm 11, the head receiving seat 8 can move between the headrest portion 2 and the rear head facing surface 7. Thereby, it is possible to make close contact with the back head 6 of the occupant 5 when listening to music or the like. If you don't want to listen to music, you can just turn it up and lift it up.

The seat acoustic device according to the present invention has been described on the premise of a passenger car seat, but in addition to a passenger car, it can be applied to seats of various vehicles such as airplanes, trains, ships, as well as buses and trucks. . Further, the present invention is not limited to a vehicle, and can be applied to a headrest portion such as a sitting chair in a living room, including office and learning chairs.
Furthermore, the acoustic device for seats according to the present invention may use not only music reproduction but also a sound source for language training. Such a sound source may be prepared as various memory chips or USB memories so that they can be replaced and selected according to the user's preference. Therefore, a connector (not shown) connected to the acoustic means can be provided as a configuration of the head receiving seat 8 so that a memory chip or a USB memory can be attached.

DESCRIPTION OF SYMBOLS 1 Seat back part 2 Headrest part 3 Stay 4 Cushion part 5 Crew 6 Rear head 7 Rear head facing surface 8 Head receiving seat 9 Rear head facing part 10 Fixed belt 11 Arm 12

The present invention relates to a headrest portion in a seat of a vehicle such as a car or an airplane , and is positioned so as to fill a gap between the headrest-facing surface of the headrest portion and the backside of a person in a normal sitting posture. The present invention relates to an acoustic device for a seat in which an acoustic means such as a bone conduction speaker is provided on a head receiving seat that is in close contact with the back of the posture.

As shown in Patent Document 1, an audio device utilizing bone conduction has been proposed in which only a person using the pillow can enjoy music or the like by using a pillow with built-in acoustic means such as a bone conduction speaker. Yes.
On the other hand, as disclosed in Patent Documents 2 to 5 , such a bone conduction acoustic device is applied to a car or the like , and a bone conduction speaker is provided on a backrest portion or a headrest portion of a seat to include music . There have also been proposals for sound devices that can listen to and enjoy various information .

JP 2007-288745 A JP 2004-191871 A JP 2008-072165 A JP 2009-040368 A JP 2004-083004 A

The acoustic device incorporating the bone conduction speaker described above is a pillow that transmits vibration waves by directly abutting it on the back of the human head, as shown in Patent Document 1, and the higher the degree of adhesion, the better the quality. The sound can be easily heard.
On the other hand, in general, headrests of automobiles, airplanes and the like are not in close contact with the back of the head in a normal sitting posture, and a space of about 10 to 15 cm is always generated. I had to turn my head back. This is an unnatural posture for the human body and can be said to be uncomfortable.
Therefore, in the acoustic devices shown in Patent Documents 2 and 3, the back of the head does not adhere to the acoustic device in a normal sitting posture, and there is a problem that music or the like cannot be enjoyed even if a bone conduction speaker is simply provided on the headrest portion.
In addition, if the head is moved backward in order to bring the back head into close contact with the acoustic device of the headrest portion, the driving posture becomes unnatural and there is a great concern that it may interfere with safe driving.
Furthermore, in Patent Document 2, there is a proposal that the speakers incorporated in the headrest are positioned on both sides of the face. However, in such a state, there is a possibility that right and left confirmation and backward confirmation during driving cannot be performed, and safe driving is performed. Obviously it will be a hindrance.
In addition, Patent Documents 4 and 5 also disclose techniques related to the bone conduction speaker incorporated in the headrest. However, in both cases, the bone conduction speaker is in close contact with the back of the head in a normal sitting posture. Therefore, there is an inconvenience and inconvenience that the head must be dragged back each time or the bone conduction speaker itself must be moved toward the back of the head.
In order to solve the conventional problems in view of the above-described circumstances, the present invention allows a bone conduction speaker to be in close contact with a normal sitting posture or an appropriate driving posture, and is in operation. Providing an acoustic device for seats that does not hinder left-right confirmation and rearward confirmation, enables safe driving , and enjoys music, etc. with a bone conduction speaker in a comfortable sitting posture other than cars It is intended.

In order to achieve the above-mentioned object, the seat acoustic device according to the first aspect of the present invention is the headrest portion located above the seat back portion, in which the headrest portion facing the back of the head is kept in a normal seating posture. A head seat that is partially bulged toward the back of the person, is positioned between the headrest and the back of the person, and is in close contact with the back of the person in a normal sitting position. Is equipped with acoustic means using a bone conduction speaker, and this head receiving seat is incorporated into the headrest part that is partially bulged, and between the headrest facing surface of the headrest part and the back of the person in a normal sitting position. In such a manner, it is in close contact with the back of the head of a person in this sitting posture .

According to a second aspect of the present invention, there is provided a seat acoustic device, wherein the headrest portion located at the upper portion of the seat back portion is located between the rear head facing surface of the headrest portion and the back of the person and has a normal seating posture. A head receiving seat that is in close contact with the back of the human head is formed separately from the headrest portion, and the head receiving seat is provided with acoustic means using a bone conduction speaker. A head receiving seat that is detachably attached to a headrest portion so as to fill a space between the back head of a person in a normal sitting posture is in close contact with the back head of a person in the sitting posture. Is.

In the seat acoustic device according to the first aspect of the present invention, the rear head facing surface of the headrest portion is partially bulged so as to fill a space between the rear head of a person in a normal seating posture. A head receiving seat that is positioned between the head of the person and in close contact with the person's back is incorporated in the bulged headrest portion, so The normal sitting posture and proper driving posture can be maintained without sagging, and it does not interfere with left / right confirmation and backward confirmation during driving , enabling safe driving and comfortable seating outside of the car. It has the effect of being able to enjoy music from bone conduction speakers in a posture . In addition, since the head seat of the present invention is always in close contact with the back of the head in the sitting position, it also serves to protect the head and neck firmly in the event of a rear-end collision, ensuring occupant safety. It also has an effect that contributes to

According to a second aspect of the present invention, there is provided a seat acoustic device in which a head receiving seat that is separate from the headrest portion is detachable from the headrest portion, and the head resting portion facing the back of the headrest portion and the back of the person in a normal sitting posture. And is in close contact with the occipital region of the person in this sitting position , for example, when the head rest is attached to the headrest when necessary, such as going out by car , It has the effect of enjoying music or the like by placing the back of the head against the head seat while maintaining a normal driving posture or in a normal sitting posture other than a car .

Is the acoustic device for a vehicle seat according to the first embodiment of the present invention, in which the head-rest facing surface of the headrest portion is partially bulged, and the head receiving seat incorporated in this portion is in a normal seating posture It is the schematic which shows the state contact | abutted by a person's back head. These are the acoustic apparatuses for sheets which concern on 2nd Embodiment, Comprising: It is the schematic which shows that the head receiving seat made into a different body from the headrest part was able to be attached or detached.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings. FIG. 1 shows a first embodiment of a seat acoustic device of the present invention incorporated in a headrest portion 2 of a backrest portion 1 of an automobile passenger seat.

The headrest portion 2 has a known structure, and basically has a cushion portion 4 made of urethane or sponge on a stay 3 that can be freely inserted into the backrest portion 1. In the embodiment of FIG. 1, the headrest portion 2 has a surface 7 facing the back head 6 of the occupant 5 so as to fill a space between the back head 6 and the back head facing surface 7 of the occupant 5 in a normal sitting posture of the occupant 5. It is in a partially bulged state and then in contact with the head 6.

A head receiving seat 8 provided with acoustic means (not shown) by a bone conduction speaker is incorporated in the bulged state of the headrest portion 2 and is attached to a stay 3 located in the cushion portion 4. cage, portion 9 which the head receiving seats 8 abut opposite the occipital 6 of the occupant 5 is configured such that the back of the head facing surface 7 the same plane that has a bulged state. In this case, the rear head facing portion 9 of the head receiving seat 8 may be located inside the headrest portion 2 and covered with the surface cover of the headrest portion 2.
Further, the head receiving seat 8 is configured to protrude partially from the rear head facing surface 7 of the headrest portion 2 so as to fill the space between the rear head 6 of the occupant 5 and directly contacts the rear head 6 of the occupant 5. It does not matter. In any case, the head receiving seat 8 may itself be covered with a known material having elasticity such as urethane or sponge.

Note that the acoustic means by the bone conduction speaker is configured such that the sound source is connected from the sound source to the bone conduction speaker by a known wiring circuit, and the vibration wave of the sound source reaches the occipital region 6 through the bone conduction speaker. Specific illustration is omitted.
The sound source switch may be provided directly on the head receiving seat 8 or may be operated by the occupant 5 with an external wiring that can be connected and disconnected. Of course, you may enable it to operate with a remote control.

FIG. 2 shows how to attach the second embodiment of the present invention. The head receiving seat 8 here is fixed by winding the attached belt 10 directly around the headrest portion 2. As a result, the head receiving seat 8 is interposed between the rear head 6 of the seated occupant 5 and the headrest portion 2 to fill the space therebetween, and comes into contact with the rear head 6 in the normal sitting posture of the occupant 5. Is.

The seat acoustic device according to the present invention has been described on the premise of a passenger car seat, but in addition to a passenger car, it can be applied to seats of various vehicles such as airplanes, trains, ships, as well as buses and trucks. . Further, the present invention is not limited to a vehicle, and can be applied to a headrest portion such as a sitting chair in a living room including office and learning chairs.
Furthermore, the acoustic device for seats according to the present invention may use not only music reproduction but also a sound source for language training. Such a sound source may be prepared as various memory chips or USB memories so that they can be replaced and selected according to the user's preference. Accordingly, a known connector (not shown) connected to the acoustic means can be provided as a configuration of the head receiving seat 8 so that a memory chip or a USB memory can be attached.

DESCRIPTION OF SYMBOLS 1 Seat back part 2 Headrest part 3 Stay 4 Cushion part 5 Crew 6 Rear head 7 Rear head facing surface 8 Head receiving seat 9 Rear head facing part 10 Fixing belt

Claims (4)

  An acoustic means using a bone conduction speaker is provided on a head receiving seat located between the headrest portion located at the upper part of the seat back portion and the back of the person and in contact with the back of the seating posture. An acoustic device for seats.   The seat acoustic device according to claim 1, wherein the head receiving seat is incorporated in the headrest portion and is in contact with the rear head of the sitting posture.   The head receiving seat is a separate body from the headrest portion, is detachably attached to the headrest portion, and comes into contact with the back of the head of a person in a sitting position when worn. Acoustic device for seats.   The head receiving seat is a separate body from the headrest portion, and is pivotally attached to the headrest portion. The headrest seat rotates between the headrest portion and the back head of a person in a sitting posture when necessary. The sheet acoustic device according to claim 1, wherein the sheet acoustic device is in a contact state.

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