KR20050018001A - radio connected with audio/video apparatus - Google Patents

Abstract

PURPOSE: A radio for audio/video apparatus connecting is provided to supply a radio signal to an input terminal of an audio/video apparatus, in order to output a radio sound from the audio/video apparatus, so that a user can listen to the radio at low installation cost. CONSTITUTION: A radio apparatus(10) comprises as follows. A radio tuner(12) extracts a radio signal having a specific channel frequency among radios received in an antenna(11). A controller(13) controls the radio tuner(12) according to a control command inputted from a DVD player. A storage(14) stores an operating program of the controller(13). An OSD generator(15) generates an OSD when an LCD monitor is operated. The OSD generator(15) generates a character to be displayed on a display of an audio/video apparatus under control of the controller(13), and transmits the generated character to the audio/video apparatus.

Description

Radio connected with audio / video apparatus}

The present invention relates to a radio for connecting an audio / video device for use in connection with an audio / video device such as a DVD, a TV system, and more particularly, to an input terminal of an audio / video device installed in a narrow place such as a vehicle. The present invention relates to a radio for connecting an audio / video device for supplying a radio signal to output radio sound through an audio / video device.

Conventional radio was a typical audio device that is essentially mounted on a vehicle, but the hobby is diversified, and the driver's desire for audio / video devices is increased, and CD players, DVD players, liquid crystal TV systems, navigation systems, and the like are installed. However, since the installation space of the audio / video device is limited and the audio / video device occupies a volume, the number of installations of the vehicle was optional.

For this reason, when a DVD player or LCD TV system is installed in a vehicle, the radio is removed, or when the DVD player and the LCD TV system are configured, a multifunction device having an additional radio function is installed inside the device.

However, multi-function devices with radios installed inside audio / video devices such as DVD players and liquid crystal TV systems are expensive because they are ordered and manufactured in small quantities unlike general audio / video devices. In addition, when a radio is implemented in a DVD player and a liquid crystal TV system, the radio is a pure audio device, which is accompanied by noise from electronic circuits of other functions, and thus cannot hear clean radio sound. In addition, when a radio failure occurs, the DVD player and the entire LCD TV system have to be replaced or repaired.

Accordingly, an object of the present invention is to solve the above problems, and an object of the present invention is to provide a radio signal to an input terminal of an audio / video device so that the radio sound is output from the audio / video device so that the radio can be installed at a low installation cost. It is to be able to listen.

Another object of the present invention is to minimize the volume of the audio / video device, and to install the radio separately so that various functions are implemented by using a limited installation space such as a vehicle usefully.

Another object of the present invention is to separate the radio from the audio / video device so as to maximize the use of space, but functionally combined with the audio / video device, thereby allowing the radio to be heard from the audio / video device. The purpose of the present invention is to seek the convenience of the radio listener by displaying the tuned channels of the radio using the monitor of the radio.

It is still another object of the present invention to provide a radio / video device with a command of on / off and channel selection of a radio, and to control the radio by the audio / video device to maximize the function of the audio / video device. It is to provide.

A feature of the present invention for achieving the above object is in a radio for connecting an audio / video device for transmitting / receiving data with an audio / video device and outputting an output signal of the radio through the audio / video device: reception of an antenna A radio tuner that tunes an arbitrary channel from the received radio wave and inputs an output to an audio / video device; And a controller for controlling the radio tuner to tune a specific channel among the arbitrary channels according to an input signal.

In the present invention, it is preferable to further include an O.S.D (On Screen Display) generating means for generating a character to be displayed on the display means of the audio / video device to transmit to the audio / video device under the control of the controller.

In the present invention, it is preferable that the audio / video device receives and decodes a control command of a remote controller, and the decoded control command is input to the controller to perform control.

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

1 is a perspective view for explaining an embodiment of the present invention, Figure 2 is an overall perspective view for explaining an embodiment of the present invention.

The audio / video device of the illustrated embodiment is a DVD system. The DVD system 1 includes a monitor 2 for realizing an image by the video signals output from the DVD player 3 and the DVD player 3, and an amplifier 5 for amplifying the audio signal output from the DVD player 3. And a speaker 6 for converting the output from the amplifier 5 into voice. In general, the monitor 2 mounted on a vehicle is a TFT-LCD monitor, which is an integral type in which an amplifier 5 and a speaker 6 are mounted. However, various types of monitors and speakers may be used.

The output terminal of the radio 10 is connected to the audio input terminal of the DVD player 3, and the output of the O.S.D generating means of the radio 10 is input to the video signal input terminal of the DVD player 3. In addition, a data transmission line is connected between the control unit of the radio 10 and the control unit (not shown) of the DVD player 3 to perform data transmission. In addition, the operation of the radio 10 is a DVD player 3 receives a command generated by the remote control 4, decodes it and transmits and inputs the control unit 13 through a data transmission line so that the radio 10 is operated. do.

3 is a circuit block diagram of an embodiment of the present invention.

The radio 10 of the illustrated embodiment is a radio tuner 12 for extracting a radio signal of a frequency of a specific channel among radio waves received by the antenna 11 and a radio tuner according to a control command input from the DVD player 3. (13) OSD generation for generating an OSD such as a screen during operation of the control unit 13 for controlling the control unit, the storage unit 14 storing the operation program of the control unit 13, and the LCD monitor as shown in FIG. It consists of a part (15).

4 is an operation flowchart of an embodiment of the present invention.

When the user inputs the radio ON key of the remote controller 4 (S1), the remote controller receiving unit of the DVD player 3 receives the remote control command, decodes it, inputs it to the control unit of the DVD player 3, The control unit transmits the decoded command to the radio control unit 13 (S2). The radio control unit 13 reads the on / off state of the radio, and when it is in the off state, the control unit 13 causes the tuner 12 to operate on the channel before termination, and the control unit 13 to the OSD generation unit 15. 2 generates an example OSD as shown in FIG. 2 and inputs it to the video input terminal of the DVD player 3, and at the same time, the control unit 13 transmits the OSD to the DVD player 3. FIG. The DVD player 3 outputs the input O.S.D to the monitor 2. In the example of the OSD shown in FIG. 2, the currently tuned channel 95.9Mhz is displayed at the center, a plurality of tuneable channels are displayed at the bottom, and a square box is displayed on the tuned channel among the plurality of channels (S3, S4). When the radio is already in the ON state, the control unit 13 causes the O.S.D generation unit 15 to output an error message to the DVD player 3 so as to be displayed on the monitor 2.

In addition, when the user operates the remote controller 4 and inputs a channel key for changing the channel to the DVD player, the DVD player transmits a channel key command to the controller 13, and the OSD generator 15 in accordance with the command of the remote controller. Control to change the OSD and simultaneously control the radio tuner 12 to tune the channel indicated by the remote controller (S5), (S6) and (S7). If the end command is input while the radio is in use, it saves the current channel frequency and terminates the radio operation.

As described above, in the detailed description of the present invention, specific embodiments have been described, but various modifications are possible without departing from the scope of the present invention. Therefore, the scope of the present invention should not be limited to the described embodiments, but should be defined by the claims below and equivalents thereof.

According to the present invention having the above-described configuration and object, the radio is separated from the audio / video device, but the radio can be protected from noise by configuring the radio to transmit and receive data, thereby realizing excellent radio quality. Since it can be miniaturized, it can be easily installed in places where installation places are extremely limited, such as a vehicle. In addition, the ability to separate the audio and video equipment and the radio to create an effect that is easy to repair in case of failure.

1 is a perspective view for explaining an embodiment of the present invention.

2 is an overall perspective view for explaining an embodiment of the present invention.

3 is a circuit block diagram of an embodiment of the present invention.

4 is an operation flowchart of an embodiment of the present invention.

Claims (3)

A radio for connecting an audio / video device for transmitting and receiving data with an audio / video device and outputting an output signal of the radio through the audio / video device. A radio tuner that tunes any channel from the received radio wave of the antenna and inputs the output to an audio / video device; And a control unit for controlling the radio tuner to tune a specific channel among the arbitrary channels according to an input signal. The method of claim 1, further comprising OSD generation means for generating a character to be displayed on the display means of the audio / video device and transmitting the same to the audio / video device under the control of the controller. Radio for connection of audio / video apparatus to say. The audio / video device according to claim 1 or 2, wherein the audio / video device receives and decodes a control command of a remote controller, and the decoded control command is input to the controller to control the audio / video device. radio.