KR200314334Y1 - A single body device for speaker and radio set - Google Patents

Abstract

The present invention is to provide a radio integrated speaker device with a built-in radio receiver.

The present invention is a speaker device for receiving an audio signal from a computer and outputting to a speaker, an antenna, a radio signal receiver and a demodulator, an output amplifier, a channel frequency selection means, radio selection means for selecting a radio output and volume control It is characterized in that the unit is provided with a digital channel display unit, a channel selection switch, and a radio selection switch on the outside, so that the speaker has a radio function built-in. In particular, the present invention is to allow the audio output and the radio output of the computer to be multi-output, that is, the two signals can be superimposed output, so that you can listen to the computer effect sound output from the computer work or game while listening to the radio. Therefore, it is possible to increase the utilization of computer speakers.

Description

A single body device for speaker and radio set}

The present invention relates to a speaker device with a built-in radio function. Particularly, a speaker unit having a radio function is incorporated in a speaker to include a multi-output function so that a computer effect sound can be output even when a radio is selected and an integrated unit is configured. A radio integrated speaker device.

In general, a speaker system converts an electric audio signal directly into an audible signal to transmit sound, or amplifies an audio signal electrically through an internal amplifier, and then delivers it as an audible signal. These speaker systems are separately installed and configured to receive and output audio sources from a general audio system or a home theater system. Recently, a speaker system is also used as a necessity in a personal computer.

The computer speaker is for outputting the sound output of the personal computer to the external speaker. The speaker of the computer is amplified by the internal circuit of the speaker output terminal, and the external computer speaker has a power on / off switch, The volume control rotary switch is provided outside, and in some cases, the earphone jack port is provided.

Such computer speakers are mainly used for outputting sound effects of a computer, sound output in games, and listening to music. It is used to listen to the audio for general broadcasting when the TV card is installed in the computer or the radio reception function is provided.

As described above, the speaker receives an audio source from an audio device, a computer, or the like and outputs the audible sound through internal amplification, or directly outputs the sound source input through an external amplifier as an audible sound. That is, it is not used as a role other than the basic role of receiving an audio source and outputting it as an audible sound. On the other hand, in the case of a computer without a radio function, a user or office or a production site where a lot of radio broadcasts are listened to should have a separate radio device, and in order to increase the output of the radio device, a separate amplifier and speaker must be installed. You will hear it.

The present invention is to provide a radio-integrated speaker device that can listen to the radio only by the speaker set itself by complementing the disadvantages of the conventional speaker as described above by integrating the radio device in the speaker.

The present invention is intended to include a radio receiver in a speaker device, but to include a multi-function outputted with the output of an external audio source when selecting a radio output so that the sound effect of the computer can be output while listening to the radio.

1 is a block diagram showing the appearance of a radio integrated speaker according to the present invention.

Figure 2 is a block diagram showing the internal configuration of a radio integrated speaker according to the present invention.

3 is a block diagram of a radio selection switch of a radio integrated speaker device according to the present invention.

<Description of the symbols for the main parts of the drawings>

10: audio source source 100: speaker device

111: power supply 111a: power switch

112: audio amplifier 113: audio volume control unit

113a: Audio volume switch 114: Speaker

121: antenna 122: radio receiver

123; Demodulator 124: Radio Amplifier

125: channel selector 125a: channel select switch

126: channel display unit 127: radio volume control unit

127a: radio volume switch 128: radio selection switch

131: first terminal 132: second terminal

133: common terminal 134: intermediate terminal

A speaker integrated device according to the present invention is a speaker device configured to output an audio source input from an external device as an audible sound, comprising: an antenna for receiving a frequency of a radio broadcast, and a radio broadcast for receiving a radio broadcast through the antenna A receiver, a demodulator for demodulating the received signal of the radio broadcast receiver, an amplifier for amplifying the signal of the demodulator, a channel selector for selecting a radio broadcast channel by selecting a reception frequency of the receiver, and the amplification The speaker device includes a volume control unit for adjusting a volume of a radio broadcast by adjusting a negative output level, and a radio selection switch for selecting an output of the volume control amplifier and connecting the speaker to the speaker. do.

The present invention further includes an external audio amplifying unit for receiving and amplifying and outputting an external audio source by the speaker device, and further comprising an external audio volume adjusting unit for adjusting a volume by adjusting an output level of the external audio amplifying unit. The device may be integrated with a radio, and may be configured as a speaker device further including a woofer in the speaker device.

In addition, the radio selection switch of the present invention, a first terminal for connecting the audio output by the external source, a second terminal for connecting the radio output signal, a common terminal connected to the speaker, the common terminal Is connected to the first terminal only when the external source is selected alone, and connected to the first terminal and the second terminal when selecting the multi output, and includes a multi intermediate terminal connected only to the second terminal when selecting the radio alone It is configured to include a rotary switch that allows the terminal to be operated and selected from the outside.

The radio channel selector may be configured to automatically search for a frequency of a broadcast channel and to sequentially select a frequency of a channel searched by a channel selection switch.

<Example>

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

1 is a block diagram showing the external appearance of a radio integrated speaker according to the present invention, Figure 2 is a block diagram showing the internal configuration of a radio integrated speaker according to the present invention. As shown in the drawing, a speaker device that receives an external audio signal and converts it into an audible signal to deliver sound, includes an integrated speaker device in which a radio is built in a radio broadcast receiving unit in a case of the speaker device 100. It is configured as.

This is a speaker device configured to convert an audio source input from an external audio source source 10 into an audible sound through a speaker 114, and output the same, wherein a power supply device receives external power to supply power to each part of a radio receiving unit. 111, an external audio amplifying unit 112 for receiving and amplifying an external audio source and outputting the amplified speaker to the speaker 114, and adjusting an output volume of the external audio amplifying unit 112 to adjust the volume of the audio volume. Demodulating the reception signal of the unit 113, an antenna 121 for receiving a radio broadcast frequency, a radio broadcast receiver 122 for receiving radio broadcast through the antenna, and a gradation broadcast receiver 122; A demodulator 123, an amplifier 124 for amplifying the signal of the demodulator 123, and a channel for selecting a radio broadcast channel by selecting a reception frequency of the receiver 122; And a channel display unit 126 for visually confirming the selected channel of the channel selector 125, and a volume control unit for adjusting the volume of the radio broadcast by adjusting the output level of the amplifier 124. 127 and a radio selection switch 128 for selecting the output of the volume control amplifier 124 to be connected to the speaker 114 is included in the speaker device.

3 is a block diagram of a radio selection switch of a radio integrated speaker device according to the present invention.

The radio selection switch 128 of the present invention, the first terminal 131 for connecting the audio output by the external source, and the second terminal 132 for connecting the output signal of the radio amplifier 124. The common terminal 133 connected to the speaker 114 and the common terminal 133 are connected to only the first terminal 131 when the external source is selected alone, and the first terminal 131 when the multi output is selected. ) And a multi-intermediate terminal 134 that is connected in common with the second terminal 132, and only the second terminal 132 is connected when the radio is selected alone, and allows the middle terminal 134 to be manipulated externally. It is comprised including the rotary switch 128a.

Here, the present invention may be a personal computer as an external audio source source of the speaker device 100, a general DVD, an audio system, a home theater system, and the like, and the present invention will be described with an example of a personal computer. . In addition, the external power source may input power through an adapter for converting household power into a low voltage (eg, DC 6V) power source, or use a battery power source by mounting a battery inside the case.

Outside the case of the speaker device 100, a power switch 111a for turning on / off the power of the power source 111, and for adjusting the output volume of the external audio source through the audio volume control unit 113. An audio volume switch 113a, a radio volume switch 127a for adjusting a radio output volume through the radio volume adjusting unit 127, a rotary switch 128a of the radio selection switch 128, and a radio channel A radio channel display unit 126 for displaying a frequency, a channel select switch 125a for selecting a radio channel, and an antenna 121 are provided.

The channel selector 125 further includes an automatic search function, searches for and stores the receivable frequencies in sequence by automatic search, and sequentially stores the stored frequencies by the operation of the channel selection switch 125a. Can be configured to select.

In addition, a separate search button may be provided for the automatic search function, but the channel selection switch 125a is provided with a toggle function and a rotary rotary function to operate the automatic search function, channel up and channel down functions in the rotary rotary. By using the toggle function, the frequency can be configured to be up / down at each toggle. In addition, the search mode is configured to perform automatic search and to select the searched broadcast channel frequency in turn each time it is toggled after automatic search. This switch structure is composed of a two-stage structure to configure the switch is to be the same as installing only one switch in one place when viewed from the external case.

According to the present invention configured as described above, since the radio receiving means is incorporated in the speaker device 100 to form an integrated unit, even when the audio source source 10 is turned off or not, the speaker device can listen to the radio only. . In the radio listening, the frequency received through the antenna 121 is filtered by the receiver 122 to receive only the frequency of the selected channel. The channel selector 125 may select a reception frequency by a user operation through the channel select switch 125a. The channel selector 125 automatically searches for broadcast channel frequencies with an automatic search function and selects broadcast channels in sequence using a toggle function. .

When the reception frequency is selected by the channel selector 125, a broadcast signal of the corresponding frequency is received and demodulated by the demodulator 123, and the demodulated signal is amplified by the amplifier 124 and output-selected switch 128. It is output to the speaker 114 through. At this time, the radio output volume is adjusted through the radio volume selector 127.

As described above, the speaker device having a built-in radio reception function may first turn on / off the speaker by operating the power switch 111a. When the external audio source is selected, the middle terminal 134 of FIG. 131 is connected to the first contact a1 and the other end is connected to an unconnected terminal, so that the output of the audio amplifier 112 is connected to the speaker 114 through the first terminal 131. That is, in this case, the output of the audio source source 10 is output from the speaker 114.

If only one stage is turned to the right when the radio select switch 128 is seen in the drawing, the multi output Multi is selected. That is, the intermediate terminal 134 is connected to the second contact a2 of the first terminal 131 and the first contact b1 of the second terminal 132 to connect the speaker 114 through the common terminal 133. ) Is connected to the output of the audio source source 10 and the output of the radio amplifier 124. In this case, the audio output of the audio source source 10 and the output of the radio are simultaneously output to the speaker 113 through the speaker 9314.

When the audio source source 10 is a computer, the purpose of the multi output is to listen to the effect sound that is output while playing a computer game or other work and to listen to a radio broadcast at the same time. It can be used effectively.

In the case where only the radio broadcast is to be listened to, the radio output R is selected by turning the radio selection switch 128 to the right in two views. When the radio output is selected, since the intermediate terminal 134 is connected to the non-connection terminal and the other end is connected to the second contact b2 of the second terminal 132, the speaker 114 has an audio source source 10 ) Output is cut off and only radio output is selected and output. That is, only radio broadcasts are to be heard.

In the present invention, the radio channel display unit 126 is used as a digital display as an example. However, the present invention is not limited thereto and may be configured as a mechanical display device in which a channel selection bar is moved in front of a channel display panel as in a general channel display. have.

In addition, in FIG. 3, only one speaker 114 is displayed as the speaker device, but is not limited thereto. A speaker further including a woofer may be applied, and a stereo speaker may also be applied.

In addition, the antenna 121 may be configured by installing a separate antenna as shown in the figure, it may be configured to utilize the signal connection line between the speaker device 100 and the audio source source 10 as an antenna.

Although not described in the above embodiments, the radio function is incorporated into the speaker and any of the subsequent modifications have not been described in detail by anyone skilled in the art that can be easily applied, but it is obvious that it is within the scope of the present invention.

As described in detail above, the present invention enables radio listening to the speaker device alone by incorporating a radio function into the speaker device, thereby increasing the use efficiency. In addition, the present invention has a multi-output function for simultaneously listening to the computer effect sound and the radio from the speaker connected to the computer has the effect that you can listen to the sound effect during computer work or game while listening to the radio broadcast. In addition, the present invention can be applied to both a general speaker device, a speaker device including a woofer or a stereo speaker device, etc., there is an effect that the radio device can be built by utilizing the free space in the speaker case.

Claims (6)

In the speaker device configured to output an audio source input from an external device as an audible sound, An antenna for receiving a frequency of a radio broadcast, a radio broadcast receiver for receiving a radio broadcast through the antenna, a demodulator for demodulating a received signal of the radio broadcast receiver, an amplifier for amplifying a signal of the demodulator, A channel selector for selecting a radio broadcast channel by selecting a reception frequency of the receiver, a volume controller for adjusting a volume of a radio broadcast by adjusting an output level of the amplifier, and an output of the amplifier for adjusting a volume; A radio integrated speaker device, comprising a radio selection switch to be connected to the speaker in the speaker device as an integrated unit. The method of claim 1, The speaker unit further comprises an external audio amplifier for receiving and amplifying and outputting an external audio source, and an external audio volume adjusting means for adjusting a volume by adjusting an output level of the external audio amplifier. Device. The method of claim 1, wherein the radio selection switch, A first terminal connecting the audio output by the external source, a second terminal connecting the radio output signal, a common terminal connected to a speaker, and a first terminal connected to the common terminal to select an external source alone Is connected to the first terminal and the second terminal when the multi-output is selected, and a rotary switch including a multi-intermediate terminal to which only the second terminal is connected when the radio alone is selected, and allowing the middle terminal to be selected externally. Radio integrated speaker device comprising a. The method of claim 1, wherein the speaker device, A radio integrated speaker device, further comprising a woofer in addition to the speaker. The method of claim 1, wherein the speaker device, A radio integrated speaker device, characterized in that the stereo speaker. The method of claim 1, wherein the radio channel selector, A radio integrated speaker device configured to automatically search for a broadcast channel frequency and to sequentially select a channel selected by a toggle button.