KR200243552Y1 - A chair for hearing multi-channel sound - Google Patents

Abstract

The present invention relates to a chair for multi-channel sound listening, which is equipped with a chair with a built-in armrest so that it can be rotated up and down, so that the chair can act as a rear speaker when the armrest is flipped backward. Is mounted, the seat is mounted on the bottom pedestal; Armrests mounted on both sides of the seat; It is equipped with a surround speaker for outputting a rear audio signal on one side thereof, the vertical rotation member which is hinged to one side of the armrest to rotate up and down; And a signal transmitting means for transmitting a rear audio output signal of the sound reproducing means for reproducing the multi-channel audio signal to the surround speaker, and the image and sound reproducing the multi-channel audio signal. It is used to provide the rear output sound of the device.

Description

A CHAIR FOR HEARING MULTI-CHANNEL SOUND}

The present invention relates to a chair for listening to multi-channel sound, and more particularly, to mount the armrest having a speaker built in the chair so that the chair can be rotated up and down, so that when the armrest is flipped backward, it can play the role of a rear speaker. A multichannel acoustic listening chair.

With the development of audiovisual and audio equipments, the advancement of sound quality has accelerated, and audiovisual and audio equipments capable of reproducing multi-channel audio signals of more than 4 channels to enhance the realism, and recording media of them have become common. Accordingly, various types of multichannel sound output devices for receiving and outputting multichannel audio signals have been developed and used.

A plurality of speakers for outputting the input audio signal is used in the audio-visual and audio equipment for outputting the multi-channel audio signal, and a plurality of speakers assigned to each channel of the audio signal are installed at a predetermined position to deliver the realism. It is common to implement stereo sound.

1 shows a conventional speaker arrangement for outputting the multi-channel audio signal, and shows an example of a system configured to output a 4-channel audio signal.

That is, left and right front speakers (main speakers) 202 and 203 which output sound of different channels are disposed on the left and right sides of the audiovisual device 201, respectively, and the sound of the different channels is also located behind the viewer 204. The left and right rear speakers (surround speakers) 205 and 206 for outputting the sound are arranged to provide different sounds from all sides of the viewer 204 to provide a sound full of a sense of reality.

On the other hand, in the case of the 5.1 channel, a front speaker providing mono sound and a woofer speaker for bass reinforcement are additionally disposed in front of the viewer 204.

However, the conventional multi-channel audio signal output system as described above is suitable for an expensive system such as a home theater, and it is difficult to be used for a compact system for a general user, and the left and right rear speakers 205 , 206 has a problem in that it is inconvenient to process the wiring for connecting the power cable for supplying power to the main body of the audio-visual or audio equipment.

In addition, the video and sound reproduction methods are digitized, and a recording medium providing a high quality sound signal such as a DVD (Digital Verssatile Disc) can be used inexpensively and simply. The use of the " PC " is expanding, and the conventional speaker layout system is difficult to be applied to a PC due to its installation location and cost.

Therefore, the present invention has been devised to solve the above problems, and is equipped with an armrest with a speaker built in the chair so that it can be rotated up and down to perform the role of a rear speaker (surround speaker) when the armrest is flipped backward. It is an object of the present invention to provide a multi-channel sound listening chair that can output a multi-channel sound signal in three dimensions at low cost.

1 is a state diagram showing a speaker arrangement for listening to conventional multi-channel sound.

Figure 2a is a perspective view showing an embodiment configuration of a chair for multi-channel sound listening according to the present invention.

Figure 2B is a side view of Figure 2A.

Figure 3 is a detailed view of the armrest and the up and down pivoting member of the present invention.

Figure 4a is a side cross-sectional view showing an operating state of the up and down rotating member of Figure 3;

Figure 4b is a side cross-sectional view showing another operating state of the up and down rotating member of Figure 3;

Figure 5 is a perspective view showing another embodiment configuration of the armrest and the up and down pivoting member of the present invention.

Figure 6 is a perspective view showing an embodiment configuration of a connector which is another main part of the present invention.

Figure 7 is a state diagram showing the state of use of the multi-channel sound listening chair according to the present invention.

Figure 8 is a perspective view showing a state in which the cable automatic winding device installed on the armrest which is the main part of the present invention.

* Explanation of symbols for main parts of the drawings

101: backrest 102: pedestal

103: seat 104: armrest

105: up and down rotating member 106: surround speaker

114: connector 115: connection cable

In order to achieve the above object, the present invention, the back is mounted on the back, the seat is mounted on the bottom; Armrests mounted on both sides of the seat; It is equipped with a surround speaker for outputting a rear audio signal on one side thereof, the vertical rotation member which is hinged to one side of the armrest to rotate up and down; And signal transmission means for transmitting the rear audio output signal of the sound reproducing means for reproducing the multi-channel audio signal to the surround speaker.

The above objects, features and advantages will become more apparent from the following detailed description taken in conjunction with the accompanying drawings. Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

Figure 2a and Figure 2b is a perspective view and a side view showing an embodiment configuration of a multi-channel sound listening chair according to the present invention, Figures 3 to 4b is a perspective view and a side cross-sectional view of the armrest and the up and down pivot member of the present invention. to be.

As shown in Figs. 2A to 4B, the multi-channel acoustic listening chair of the present embodiment includes: a seat 103 having a backrest 101 mounted at a rear end thereof and a pedestal 102 mounted at a lower portion thereof; A pair of armrests 104 mounted on both sides of the seat 103 and having a first connection hole 107 for input of a rear audio output signal at a predetermined position thereof; A vertical pivot member 105 hinged to an end of the armrest 104 and pivoted up and down; A surround speaker (106) mounted on one side of the up and down pivoting member (105) to output a rear audio signal transmitted from the sound device through the first connection hole (107); A sound controller (108) provided at a predetermined position of the armrest (104) for adjusting the volume and the left and right balance of the sound output by the surround speaker (106); And a signal transmission means for transmitting the rear audio output signal of the sound device to the first connection hole 107 of the armrest 104.

3 to 4b, in the present embodiment, the stepped portion 104a is formed at the hinge coupling portion of the armrest 104, and the armrest 104 is formed at the hinge coupling portion of the vertical rotation member 105. Stepped grooves 105b corresponding to the stepped corners 104a are formed to allow the vertical rotation member 105 to be unfolded only by a predetermined angle in a clockwise direction in FIG. 4A. When the up and down pivot member 105 is folded to the armrest 104 side, a groove 105a is formed in the longitudinal direction so that the armrest support 105 is inserted so that the vertical pivot member 105 can be stably supported.

In addition, as shown in Fig. 6, the signal transmission means has a first jack 111 connected to an audio signal output terminal of an audio device at one side thereof, and a first connection hole of the armrest 104 at the other side thereof. A second connection hole 112 is provided for connection with the 107, and a plurality of bolt holes 114a are formed at a predetermined position thereof so as to mount the bolt 113 through a table or the like on which a sound device is located. 114; At both ends thereof are provided second and third jacks 115 and 116 connected to the first connection hole 107 of the armrest 104 and the second connection hole 112 of the connector 114, respectively. An extension cable 117 connecting the first connection hole 107 of the 104 and the second connection hole 112 of the connector 114.

Referring to the detailed function and operation of the multi-channel sound listening chair according to the present invention configured as described above are as follows.

The up and down pivot member 105 is supported to cover the upper portion of the armrest 104 in a folded state as shown in Figure 4b to serve to support the user's arm, the up and down pivot member 105 4 is unfolded as shown in FIG. 4A, the surround speaker 106 is positioned at the rear of the user to output rear audio signals.

Fig. 7 is a state diagram schematically showing a state in which the multi-channel sound listening chair according to the present invention is used to output an audio signal reproduced by a DVD drive of a PC, showing an example configured to output a four-channel audio signal.

As shown in FIG. 7, the connector 114 is mounted on the lower surface of the upper surface of the PC table 121, and the first jack 111 of the connector 114 is connected to the audio signal output terminal of the PC main body 122. As shown in FIG. In the connected state, the second and third jacks 115 and 116 of the flexible cable 117 are connected to the first connection hole 107 of the armrest 104 and the second connection hole 112 of the connector 114. ), And when the DVD driver of the PC is driven, the main stereo sound is output from the left and right front speakers 123 and 124 provided on the left and right sides of the PC, and the left and right surround speakers 106 mounted on the vertical rotation member 105 are connected. 106 ', surround back sound is output to provide the stereoscopic sound to the listener (125).

At this time, since the connection between the first connecting hole 107 of the armrest 104 and the second connecting hole 112 of the connector 114 is made by the flexible cable 117, the activity of the listener within a predetermined range. When the chair is pushed backwards, the connection between the connection parts is not broken or the cable is damaged.

On the other hand, in the above embodiment, the audio signal transmission between the acoustic device and the surround speaker 106 is performed by the second and third jacks 115 and 116 of the flexible cable 117 and the first connection hole of the armrest 104. 107 and the second connection hole 112 of the connector 114 has been described, but the present invention is not limited to this, and is intended to transmit an audio signal from an acoustic device to the surround speaker 106. It will be apparent to those skilled in the art that the signal transmission for the present invention may be replaced by various other signal transmission means capable of carrying audio signals.

That is, an infrared transmission port is installed at a predetermined position around the PC, and an infrared reception port for receiving an audio signal transmitted from the infrared transmission port is connected to the surround speaker 106 to wirelessly transmit audio signals. It can also be done.

Also, in the case of wired signal transmission using a normal cable, as shown in FIG. 8, the cable 801 is freely pulled out, but when the button 802 is pressed, the cable rewinder automatically rewinds. Since the connection cable 801 is built in the 810 to facilitate adjustment of the cable extension length, the same effect as the aforementioned extension cable 117 can be obtained, and the cable can be automatically wound when the cable is used only as a general chair. 810 may be wound to increase the convenience of cable processing.

In addition, in the chair for multi-channel sound listening according to the present invention, the shape of the up and down pivot member 105 and the armrest 104 and the position and quantity of the surround speaker 106 is limited by the description and the drawings of the above-described embodiment It is not.

That is, as shown in Figure 5, the vertical rotation member 105 and the armrest 104 may be formed in a contact surface of the plane, in addition to the surround speaker 106, the auxiliary speaker 109 in addition to the upper and lower It may be attached to the rotation member 105 or the armrest 104.

The present invention described above is not limited to the above-described embodiment and the accompanying drawings, and various substitutions, modifications, and changes are possible in the art without departing from the technical spirit of the present invention. It will be clear to those of ordinary knowledge.

The present invention constructed and operated as described above, by mounting the speaker on the armrest rotated up and down can output the surround back sound according to the multi-channel audio signal, the wiring when installing the rear speaker is simplified and the space required can be reduced. Will be.

In addition, the present invention is applied to a small audio-visual and audio equipment, or a PC, so that it is possible to output a multi-channel audio signal, there is an effect that can realize a three-dimensional sound full of realism at a low cost.

Claims (8)

A seat with a backrest mounted at the rear and a pedestal at the bottom; Armrests mounted on both sides of the seat; It is equipped with a surround speaker for outputting a rear audio signal on one side thereof, the vertical rotation member which is hinged to one side of the armrest to rotate up and down; And Signal transmitting means for transmitting the rear audio output signal of the sound reproducing means for reproducing the multi-channel audio signal to the surround speaker Multi-channel acoustic listening chair comprising a. The method of claim 1, The signal transmission means is a chair for multi-channel sound listening comprising a connecting cable having a jack for connecting the audio signal output terminal of the sound reproducing means and the surround speaker of the vertical rotating member, respectively at both ends thereof. The method of claim 1, The signal transmission means It is attached to a predetermined position around the sound reproducing means, an output cable connected to one end of the audio signal output terminal of the sound reproducing means, the other end of the connection terminal for connection with the surround speaker of the vertical rotation member A connector provided with a hole; Connection cables for connecting the connector and the surround speaker are provided at both ends thereof, respectively, for connecting the connector terminal hole of the connector and the surround speaker of the vertical rotation member. Multi-channel acoustic listening chair comprising a. The method according to claim 2 or 3, Chair for multi-channel sound listening, characterized in that the connecting cable is made of a stretched cable helically spirally stretchable in the longitudinal direction. The method of claim 3, The signal connection means further includes a cable automatic winding device mounted on one side of the armrest, the upper and lower rotational members, the seat, characterized in that the connection cable is built in the cable automatic winding device to adjust its lead length. Multi-channel acoustic listening chair. The method of claim 1, The armrest, the upper and lower rotational member, the multi-channel listening chair further comprises a sound controller for adjusting the size and balance of the sound output by the surround speaker of the upper and lower rotational member. The method of claim 1, The signal transmission means An infrared transmission port connected to an audio signal output terminal of the sound generating means and transmitting an audio signal of the sound generating means; An infrared receiving port mounted on one side of the armrest, the upper and lower pivot members and the seat so as to be connected to the input terminal of the surround speaker, and receiving an audio signal transmitted from the infrared transmission port and transmitting the audio signal to the surround speaker of the vertical pivot member. Multi-channel acoustic listening chair comprising a. The method of claim 1, Multi-channel listening chair further comprises an auxiliary speaker mounted to the armrest.