JP3328041B2 - Vehicle stool with built-in transmitting antenna - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a technology for transmitting radio waves in a vehicle in which it is difficult to receive radio waves directly from the outside of an aircraft, a railway vehicle, a bus or the like (hereinafter simply referred to as "vehicle"). While transmitting the radio signal received by the receiver provided in the vehicle to each seat via the repeater,
The present invention relates to a vehicle seat having a built-in transmitting antenna configured to transmit a weak radio wave from a transmitting antenna built in each seat.

[0002]

2. Description of the Related Art In general, since the cabin of various vehicles has a semi-shielded space for radio waves, even if a passenger tries to use a portable radio or a television receiver, the passenger cannot receive the radio waves in good condition. For this reason, in a conventional vehicle, an antenna line is provided on a luggage shelf of a passenger cabin to improve the reception performance of radio waves for radio.

[0003]

However, it has been difficult to transmit a radio signal without affecting a vehicle, particularly various devices related to the operation of an aircraft, such as radio interference. The present invention has been made in view of the above demands, and has a built-in transmission antenna capable of clearly transmitting a radio signal such as a radio or a TV in each passenger seat so that the user can surely view in each seat. It is an object of the present invention to provide a vehicle stool having a built-in transmitting antenna capable of being mounted thereon.

[0004]

SUMMARY OF THE INVENTION A vehicle stool incorporating a transmitting antenna according to the present invention transmits a radio signal transmitted to a transmitter provided in each seat via a receiver on a vehicle side as a weak radio wave. The gist is that the transmitting antenna is built in each seat or some seats.

[0005]

The transmitting antenna built in the vehicle stool is built in, for example, a seat back of the stool, a trim portion of the seat bottom, an armrest, or the like, so that a user sitting on the stool can use a portable radio or a television receiver. , The transmitting antenna will be located very close to those devices. Therefore, the radio signal transmitted to the seat-side transmitter via the vehicle-side receiver and transmitted as a weak radio wave from the transmission antenna can be appropriately received by the portable radio or the television receiver owned by the passenger. become.

[0006]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view showing an embodiment of a vehicle seat incorporating a transmitting antenna according to the present invention. FIG.
FIG. 2 is a block diagram of a configuration showing the principle of the device according to the present invention, and shows an example in which the device is configured as a seat for a railway vehicle. In the drawings, reference numeral 1 denotes a railway vehicle. Each of the passenger seats 2, 2,... Arranged in the passenger compartment of the railway vehicle 1 incorporates a transmitting antenna 3 and a transmitter 4 in a part thereof. The transmitter 4 is connected via a transmission line 7 to a receiving device 6 for receiving radio waves outside the vehicle from an external antenna 5 provided outside the vehicle, and is again transmitted to the vehicle by the transmission antennas 3 connected to the transmitter 4. A weak radio wave is transmitted to the vicinity of each seat in the vehicle. In the case of a two- or three-seat stool in which a plurality of stools are arranged in a row, it is sufficient to configure the transmitter 4 and the transmission antenna 3 on any seat.
It is also possible to configure so that a plurality of seated passengers can receive.

FIGS. 2 to 4 show an embodiment in which the transmitting antenna 3 is built in the seat back 8 of the seat 2. FIG. In the present embodiment, the antenna wire forming the transmitting antenna 3 is wired in a cushion material 10 made of polyurethane resin or the like interposed on the surface of a frame 9 inserted in a seat back 8. The transmission antenna 3 is covered by the back of the passenger when the passenger is seated on the seat, and is wired along a portion where transmission of weak radio waves to the seat surface side is not hindered, that is, along a peripheral portion of the seat back 8. (See FIG. 2). If the frame 9 may cause electromagnetic interference such as a metal material, the frame 9 needs to be slightly separated from the surface of the frame 9. Further, the transmitting antenna 3 does not need to be disposed all around the peripheral portion of the seat back 8, but is disposed at a part of the peripheral portion of the seat back 8 like a left seat in FIG. May be effectively transmitted to the front side of the seat back 8. still,
When the frame 9 is made of a synthetic resin plate or other material which does not cause electromagnetic influence, the transmitting antenna 3 is directly adhered to the surface of the transmitting antenna 3 or directly to the surface of the cushion material 10 itself. It can also be arranged and fixed by such a method.

Further, as shown in FIG. 4, the transmitting antenna 3 is accommodated and sewn in a beaded trim portion 13 formed at a sewn portion of a face cloth 11 and a side cloth 12 constituting a surface material of the seat back 8. It can also be configured as follows. The transmitting antenna 3 is connected to a transmitter 4 provided on a seat, and the transmitting antenna 4 is connected to a connector 15 provided near a seat such as a footrest 14 of the seat 2, and the receiving device 6 on the vehicle side is connected. Can be connected by wire through the connector 15.

FIG. 5 shows another embodiment in which the transmitting antenna 3 is built in the seat bottom 16 of the seat 2. The cushioning material 1 of the seat bottom 16 is made of polyurethane resin or the like.
When molding 7, the cushion material 17 is insert-molded into, for example, an interior near the upper surface, or is inserted into a cut groove formed at a predetermined location (the peripheral portion of the cushion material 17 or the like) after the cushion material 17 is molded. It can be implemented by a method such as housing. Further, the transmitting antenna 3 can be attached and fixed to the surface side of the cushion material 17.

The transmitting antenna 3 used for a vehicle stool incorporating the transmitting antenna according to the present invention can be mounted inside the stool in various antenna forms. FIG. Cushion materials 10, 17
FIGS. 4A and 4B show an embodiment of a holding structure of the transmitting antenna 3 in a case where the hanging cloth 19 is sewn to the surface material 18 side, and FIG. 17
It is sewn or glued to the side.

The transmitting antenna 3 according to the present invention is not limited to the seat back 8 and the seat bottom 16 of the seat 2,
For example, the present invention can be configured on the upper surface of the footrest 14, the rotary frame, the armrest 20 (see FIG. 2), and the like. Of course, the modification can be appropriately performed within the scope of the present invention. .

[0012]

As described above, the vehicle stool incorporating the transmitting antenna according to the present invention has a structure connected to the external antenna device provided outside the vehicle via the vehicle-side receiver. , A semi-shielded aircraft,
It enables reception in good radio wave conditions when passengers try to use the radio or television receiver carried by passengers even in the cabin of various vehicles such as railway cars or buses. The radio signal can be clearly received, and the effect obtained by implementing the present invention is extremely large.

[Brief description of the drawings]

FIG. 1 is a block diagram showing the principle of a vehicle seat incorporating a transmitting antenna according to the present invention.

FIG. 2 is a perspective view of a seat showing an embodiment in which a transmission antenna is built in a seat back.

FIG. 3 is an enlarged sectional view of a main part showing an example of an arrangement of a transmitting antenna in FIG. 2;

FIG. 4 is an enlarged sectional view of a main part showing another example of the arrangement of the transmitting antennas in FIG. 2;

FIG. 5 is a sectional view of a main part of a seat showing an embodiment in which a transmitting antenna is built in a seat bottom.

FIGS. 6A and 6B are enlarged cross-sectional views of a main portion of a seat showing an embodiment of a holding structure of an internal antenna in a case where the internal antenna is arranged between a surface material and a cushion material, respectively.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Railway vehicle 2 Stool 3 Transmitting antenna 4 Transmitter 5 External antenna 6 Vehicle side receiving device 7 Transmission line 8 Seat back 9 Frame 10 Cushion material 14 Footrest 15 Connector 16 Seat bottom 17 Cushion material 18 Surface material 19 Hanging cloth 20 Armrest

────────────────────────────────────────────────── ─── Continued on the front page (58) Field surveyed (Int. Cl. ⁷ , DB name) B60N 2/00-2/72 B61D 37/00 B64D 11/06

Claims (12)

(57) [Claims] 1. A transmission characterized in that a transmission antenna for transmitting a radio signal transmitted as a weak radio wave to a transmitter provided on each seat side via a receiver provided on a vehicle side is provided in each seat. A vehicle seat with a built-in antenna. 2. The vehicle seat according to claim 1, wherein the transmitting antenna is formed in a seat back. 3. The vehicle seat according to claim 2, wherein the transmitting antenna is attached to a surface of a frame provided in a seat back. 4. The transmission antenna according to claim 1, wherein the transmission antenna is disposed on a front side of a frame provided in a seat back, at a position slightly apart from the frame, and at a peripheral portion not covered by the back of a seated passenger. A vehicle seat with a built-in transmitting antenna. 5. The vehicle seat according to claim 1, wherein the transmitting antenna is disposed in a seat bottom. 6. The vehicle seat according to claim 1, wherein the transmitting antenna is insert-molded in a cushion material of a seat back or a seat bottom. 7. The vehicle seat according to claim 1, wherein the transmitting antenna is disposed on a peripheral portion of a cushion material of a seat back or a seat bottom. 8. The vehicle seat according to claim 1, wherein the transmitting antenna is attached to a cushion material surface of a seat back or a seat bottom. 9. The vehicle seat according to claim 1, wherein the transmitting antenna is provided inside a seam of a surface material. 10. The vehicle seat according to claim 2, wherein the transmitting antenna is attached to a surface material of a seat back or a seat bottom by using a hanging material. 11. The vehicle seat according to claim 1, wherein the transmitting antenna is configured as an armrest. 12. The vehicle stool according to claim 1, wherein the transmitting antenna is configured as one or more seats in a seat having a plurality of seats arranged in a row.