KR20000018331A - Speaker for attaching head rest - Google Patents

Abstract

PURPOSE: A speaker for attaching a head rest is provided to be able to listen to a sound and to freely regulate the right and left angle of a speaker box by a user. CONSTITUTION: A speaker for attaching a head rest is composed of: a fixing stand(16) horizontally installed so a fixing rod(12) as to penetrate which supports the head rest(14) of a driver seat and a passenger seat of a vehicle; a speaker box(22) embedded with a speaker(40), a power supply unit(80), a power feeding unit(60) and a volume, combined to possibly regulate an angle, installed on both ends of the fixing stand; an amplifier(140) contacted with the car audio set(90) output terminal of the vehicle and the previously installed speaker terminal to filter the transmitted sound signal, amplifying to a certain level and supplying an output signal to the speaker.

Description

Headrest Attachment Speaker

The present invention relates to a speaker that is attached to the headrest of the vehicle seat, and in particular, the speaker is mounted on both sides of the headrest by using a guide that is installed to penetrate the headrest fixing rods of the driver's seat and the passenger seat and the passenger seat. Despite the noise, the driver, passenger, and passenger in the passenger seat not only can hear the sound close to the original sound, but also the left and right angles can be easily adjusted and the up and down can be adjusted as needed. It relates to a headrest attachment speaker configured to.

As shown in FIG. 1, the indoor speaker installed in the conventional vehicle is installed under the front windshield behind the front dashboard of the vehicle or above the back seat of the rear to output sound signals. In the state of starting the vehicle, it was difficult to hear the sound coming from the rear speaker because the noise generated by the engine sound of the vehicle or the friction with the air generated from the outside of the vehicle was difficult. In the case of the person in the rear, the sound was too loud and very uncomfortable.

In particular, since the interior material of the vehicle interior is usually made of a material having a cushion, the sound absorption is excellent and the sound blocking effect is large, and the sound transmission path is blocked by the seat back, the headrest, and the body of the occupant. The sound coming from) was very weak. Therefore, in order to compensate for the above disadvantages, a separate speaker was installed inside the door of the vehicle to increase the sound effect, but this was also difficult to produce a great effect because the sound is generated from the lower part, mainly in the case of a passenger car whose own driver is the godfather In the case of the driver or the passenger in the passenger seat, since the vehicle is located farthest from the speaker mounted on the vehicle, additional cost was generated by purchasing a large-capacity speaker and using the vehicle in a vehicle.

The present invention is to solve the above-mentioned conventional problems, the object of the present invention is to listen to a high-quality sound of the driver or passenger and passengers in the passenger seat despite the various noises generated not only at the time of starting the vehicle but also during driving. It can be used by small output speaker and can be used by wire / wireless operation to increase user convenience as well as to optimize the design of the inner panel to which the speaker is attached during vehicle design and production. This is to ensure the maximum effective space in the vehicle interior.

Headrest speaker for mounting the headrest of the present invention for achieving the above object is fixed to the horizontally installed so that the fixing rod for supporting the headrest of the driver's seat and the passenger seat of the vehicle, and the left and right angle adjustment is provided respectively at both ends It is connected to the speaker box, the speaker, the power supply unit, the power supply unit and the volume built-in, and connected to the output terminal of the car audio set of the vehicle or the pre-installed speaker terminal to filter the transmitted sound signal to a certain level And amplifying and supplying an output signal to the speaker.

In addition, between the car audio set and the amplifier is characterized in that the radio transmitter for receiving the sound signal output from the car audio set, and a radio receiver for receiving a signal transmitted from the radio transmitter and sending a signal to the amplifier .

1 is a state mounting the indoor speaker of a conventional vehicle,

2 is an installation state of the headrest mounting speaker according to the first embodiment of the present invention,

3 is an exploded perspective view of FIG. 2;

4 and 5 are a side view and a plan view of the headrest attaching speaker according to the present invention;

6 is a circuit diagram according to a first embodiment of the present invention;

7 is a circuit diagram according to a second embodiment of the present invention.

※ Explanation of symbols for main parts of drawing

10 seat back 12 fixed rod

14: Headrest 16: Fixture

18: Tightening screw 19: Tightening female screw

20: fitting hole 22: speaker box

26: fixed portion 28: rotation axis

30: anti-rotation screw 40: speaker

60: power on 70: volume

80: power supply 90: car audio set

100: cable 110: wireless transmitter

120: radio receiver 140: amplifier

R: Right terminal L: Left terminal

G: ground

Hereinafter, embodiments of the present invention will be described with reference to the accompanying drawings.

2 to 5 illustrate a state in which the headrest attachment speaker according to the present invention is installed on both side surfaces of the headrest 14 provided on the upper seat back 10 of the vehicle seat, and FIG. 2 is a headrest. (14) is a front view of the speaker box 22 is installed on the left and right sides of the fixing bar 16 fitted to the fixing rods 12 on both sides, and Fig. 3 is an exploded view showing the configuration of each component. 4 and 5 show a side view and a plan view of the headrest attachment speaker, respectively.

The first embodiment of the present invention relates to a wired method in which the car audio set 90 mounted on a vehicle and the speaker 40 mounted on the headrest 14 are configured using the cable 100. For example, the active left and right speaker boxes 22 which are installed at both the headrests 14 of the driver's seat, the passenger seat, and the passenger seat to output an audible sound, and the fixing bars for fixing them to the fixing rods 12 of the headrest 14 are provided. (16), an amplifier 140 for filtering out noise in the acoustic signal received from the car audio set 90 and amplifying to a predetermined level, and a cable 100 for connecting to an output terminal of a speaker mounted in a vehicle. It is composed.

The fixing rod 16 is installed so that the fixing rod 12 for fixing the headrest 14 to the seat back 10 is penetrated, and the fixing rod 12 of the headrest 14 is tightened by a tightening screw 18. The upper and lower positions can be adjusted to be fixed, and bent upward from the lower ends of both ends of the headrest 14 so that the rotary shafts 28 are provided on both sides of the headrest 14 so that they can be fitted thereto. To support the installed speaker box (22). In addition, the speaker box 22 is fixedly installed by the fixing screw 30 to be adjusted to the left and right according to the user's preference in the rotary shaft (28).

On the other hand, the left and right speaker box 22 has a built-in small speaker 40, the amplifier 140 for amplifying sound at a constant level to drive the speaker 40, the amplifier 140 and the speaker The power supply unit 80 for supplying power to the 40, the volume 70 for adjusting the volume and the power supply unit 60 may be separated or installed in the left and right speaker box 22, and may be installed separately. It is formed integrally by the case of the seat can be installed under the seat.

The amplifier 140 may be directly connected in parallel with an output terminal (not shown) of the car audio set 90 mounted on the vehicle by using the cable 100, and a speaker installed at the front or rear of the driver's seat of the vehicle ( 40) the terminals and left and right can be divided and used in parallel, respectively, the power supply unit 80 for operating the amplifier 140 may be supplied from the outside through a separate wiring, Figure 6 is the present invention The circuit diagram according to the first embodiment according to the present invention is shown.

Meanwhile, in the second embodiment of the present invention, the cable 100 is not provided between the car audio set 90 and the amplifier 140, and the wireless transmitter 110 is provided on the car audio set 90 side. The same as in the first embodiment except for the fact that the radio receiver 120 is provided on the 140 side.

That is, a car audio set 90 for receiving and outputting an audio signal transmitted from a broadcasting station or for outputting a signal output from a cassette player or a CDP, and a radio transmitter for receiving and transmitting a signal output to the car audio set 90. 110 and a radio receiver 120 for receiving a signal transmitted from the radio transmitter 110 and transmitting the signal to the amplifier 140.

The wireless receiver 120, the amplifier 140, the power applying unit 60, the volume 70, the power supply unit 80, etc. may be integrally manufactured in the speaker box 22 or may be built in a separate case to provide a headrest. (14) Since it can be installed at the rear lower end, the configuration is simple, and the wireless transmitter 110 can be installed at any place in the vehicle and can be installed regardless of the place.

Hereinafter, the operation and action of the present invention having the above configuration will be described.

The car audio set 90 of the wired headrest speaker according to the first embodiment of the present invention receives or outputs an audio signal transmitted from a broadcasting station, or outputs an audio signal output from a cassette player or a CDP. It is transmitted to the amplifier 140, the amplifier 140 removes unnecessary noise and amplifies the signal to a constant level is delivered to the left and right speaker box 22 installed on both ends of the fixing 16 to generate sound In the installation of the speaker box 22, a method of connecting the cable 100 directly from the car audio set 90 to output sound to the speaker 40 may be selected, or may be installed at the front and rear of the vehicle. It can be installed in parallel with the existing speaker output terminal, so the installation work is simple.

The headrest-mounted speaker installed in this way can listen to the broadcast output from the car audio set 90 from the speaker box 22 installed at the same position and near distance as the height of the ear of the driver or the passenger. In spite of engine noise and wind direction noise generated during driving or starting of the vehicle, you do not need to listen to the nerves, so you can concentrate on driving and help prevent accidents.

On the other hand, the holder 16 for supporting and fixing the speaker box 22 is installed through the fixing rod 12 of the headrest 14 through the tightening screw 18 coupled to the fastening female screw 19, It is convenient to adjust the material according to the size of the body of the driver or the passenger by being made to adjust the lower, and also the speaker box 22 is fixed to the rotating shaft 28 formed on both ends of the holder 16 ( 26) is inserted and fixed to the fixing screw 20, so that it is possible to adjust the left and right according to the user's convenience, as shown in FIG.

In addition, the headrest attachment speaker can simplify the structure when designing the dashboard or the back seat to which the speaker inside the vehicle is mounted during the design and manufacture of the vehicle. Cost reduction can be achieved by simplifying the process.

On the other hand, the second embodiment of the present invention is to eliminate the inconvenience that the speaker 40 is installed by the wired method through the cable 100 in the first embodiment, the wireless transmitter and receiver 110, 120 By using the method of transmitting the output signal of the car audio set 90 to the left and right speakers 40 installed on both sides of the headrest (14).

That is, as shown in FIG. 7, the car audio set 90 receives and outputs a sound signal transmitted from a broadcasting station, and at the same time, a cassette player (not shown) provided in the car audio set 90. Outputs a signal output from the CDP (not shown), and the sound signal output from the CDP (not shown) is transmitted through the radio transmitter 110 connected to the car audio set 90, the sound signal transmitted from the radio transmitter 110 Is received wirelessly from the wireless receiver 120, the amplifier 140 is amplified to a certain level and at the same time to filter various noise of the signal received by the wireless receiver 120, the speaker provided at both ends of the headrest (14) The speaker 40 of the box 22 outputs an audible sound signal.

In this way, the cable 100 must be installed by being able to transmit and receive a certain sound signal between the radio transmitter 110 provided on the car audio set 90 and the radio receiver 120 provided on the speaker 40 side. Not only does not have the inconvenience to reduce the failure rate due to the installation of the cable 100.

As described above, the speaker for attaching the headrest of the wired / wireless method of the present invention is fixed to the horizontally so that the fixing rod for supporting the headrest of the driver's seat and the passenger seat of the vehicle can be penetrated, and the left and right angle adjustments are provided at both ends of the fixed seat. And a speaker box having a speaker, a power supply unit, a power supply unit, and a volume built-in therein, and connected to a car audio set output terminal of the vehicle or a pre-installed speaker terminal to filter and amplify the transmitted sound signal to a predetermined level. And an amplifier for supplying an output signal to the speaker, and between the car audio set and the amplifier, a wireless transmitter for receiving an acoustic signal output from the car audio set, and receiving the signal transmitted from the wireless transmitter. Headrest attachment switch equipped with a radio receiver for sending signals to the amplifier By providing a beaker, drivers and passengers can not only listen to the sound that was difficult to hear due to the noise caused by the vehicle operation, but also increase the convenience by enabling height and left / right adjustments to the user's convenience. It can be easily attached and detached to a vehicle, and when manufacturing a vehicle for the first time, it is possible to reduce the number of parts, improve the assemblability, and optimize the interior design, thereby securing the maximum effective indoor space.

Claims (4)

Fixing bars 16 installed horizontally so that the fixing rod 12 for supporting the headrest 14 of the driver's seat and the passenger seat of the vehicle penetrate therethrough, and are installed at both ends of the fixing bars 16 so as to be able to adjust left and right angles. A speaker box 22 having a speaker 40, a power supply unit 80, a power supply unit 60, and a volume 70 therein, and an output terminal of the car audio set 90 of the vehicle or a speaker terminal installed in advance. And an amplifier (140) for filtering the sound signal transmitted and amplified to a predetermined level and supplying an output signal to the speaker (40). The method of claim 1, Between the car audio set 90 and the amplifier 140, a radio transmitter 110 for receiving an acoustic signal output from the car audio set 90, and a signal received from the radio transmitter 110 to receive the amplifier Speaker with a headrest, characterized in that provided with a wireless receiver 120 for transmitting a signal to (140). The method of claim 1, Tightening screws 18 are provided at one side of the outer circumference of the fixing rod 16 through which the fixing rod 12 is installed so as to adjust the height of the fixing holder 16, and at predetermined portions at both ends of the fixing holder 16. Speaker for headrest attachment, characterized in that provided with a rotating shaft 28 to be bent. The method according to claim 1 or 2, The power supply unit 80 for supplying power to the amplifier 140, the power supply unit 60 for applying the power of the power supply unit 80, and the volume 70 for adjusting the output signal in a separate case Speaker mounted headrest, characterized in that the built-in is installed on the rear lower portion of the vehicle seat.