KR20000008224A - Car-audio broadcasting program reservation device and method thereof - Google Patents

Abstract

PURPOSE: A car-audio broadcasting program reservation device is provided to automatically operate if a driver or a passenger sets the broadcasting time and channel wanted in a car-audio. CONSTITUTION: A reservation device comprises: a radio receiving unit(10) for receiving the broadcasting signal wanted; an audio controller(20) for controlling the various state of the audio; a power amplifier(30); a microcomputer(50) for controlling the radio on/off examining unit(60) and a reservation setting unit(80); a radio on/off examining unit(60) for being controlled the radio on/off state of the car-audio by the microcomputer(50); a reservation setting unit(80) that the operation time of a radio is set in the car-audio; a key input unit(90) for inputting the broadcasting time into the reservation setting unit(80).

Description

Car-audio broadcasting program reservation device and method

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to car audio, and in particular, in a predetermined car audio mounted on an unspecified vehicle, a part performing a radio function is desired at a time desired by a user by a reserved program. The present invention relates to a car audio program reservation apparatus and method for listening to a broadcast.

As shown in FIG. 1, a conventional car audio device includes: an antenna unit 1 for receiving broadcast waves transmitted from a broadcasting station; A media source section 2 composed of a radio tuner, a cassette, and a CD (Compack Disc); It consists of a filter and a gain control circuit for passing only a specific frequency band, and a sound wave correction unit (3) for correcting a good audible range by strongly or weakening a specific frequency band in accordance with sound characteristics of the vehicle and the taste of the listener. ; An audible frequency amplifier (4) for amplifying an analog signal of an audible frequency output from the sound wave correction unit (3); Speaker portion 5 composed of a plurality of speakers, an operation switch unit (not shown) operated by the user, and a car audio micom (not shown) for controlling the overall operation of the car audio.

That is, in the conventional car audio operation process, when the car key is inserted into the key input unit of the car, power is supplied from the battery through the ignition switch, and the operation mode selected by the user is a radio mode, a cassette mode, or a CD mode. It determines whether or not the recognition, and performs an operation to control the function of the component.

For example, when the user selects a radio mode through an operation switch to listen to the radio, the audio micom includes a media source unit 2, a sound wave compensator 3, an audible frequency amplifier 4, and a speaker unit. Through (5), an operation such as outputting the broadcast wave received by the antenna unit 1 is performed.

However, the conventional car audio as described above is configured to adjust using the button of the car audio in order to receive a desired broadcast channel in a desired time zone for the driver or passenger, so if you pay attention to the broadcast time and the channel, driving safely There were problems such as disturbing.

Disclosure of Invention An object of the present invention is to solve the above problems, and provides an apparatus and method for automatically operating when a desired broadcast time and broadcast channel are set by a driver or a passenger in a conventional car audio. Its purpose is to.

In order to achieve the above object, the car-audio program reservation device of the present invention comprises: a radio receiver which receives a desired broadcast signal by tuning to a frequency of a broadcast channel reserved by an unspecified driver or passenger; An audio control unit for controlling various states of audio using power supplied from a power supply unit of the car audio; A power amplifier for amplifying the power input from the audio control unit and the power input from the power supply unit; A speaker for outputting a voice signal so that a driver or a passenger can hear the voice signal amplified by the power amplifier; A microcomputer controlling the radio receiver, the radio on / off checker and the reservation setting unit of the car audio; A radio on / off checker configured to control the radio on / off state of the car audio by the microcomputer; A power supply unit supplying predetermined power to the car audio; A reservation setting unit for setting an operation time of a radio in the car audio; And a key input unit for inputting a broadcast time to the reservation setting unit.

Car audio broadcasting program reservation method of the present invention to achieve the above object, turn on the radio power of the car audio mounted on an unspecified car, and set the desired operating time and frequency of the radio in the reservation setting mode state And starting to counter the operating time of the radio; If the reservation time is set in the first step, the car-audio microcomputer determines whether it is a reserved time in the reservation setting unit, and if it is not a scheduled time, counts the time again and if it is a scheduled time, turns on the radio on / off checker. A second step of turning on the power if it is not turned on; And a third step of allowing the driver or passenger to listen to the broadcast output through the speaker after synchronizing the scheduled broadcast if the radio on / off check unit confirms that the radio power is on in the second step. It is done.

1 is a functional block diagram showing a conventional car audio configuration;

2 is a functional block diagram showing a configuration of a car audio program reservation apparatus according to an embodiment of the present invention;

3 is a control flowchart illustrating an operation state of a car audio broadcast program reservation method according to an embodiment of the present invention.

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

1: antenna unit 2: media source unit

3: sound wave correction unit 4: audible frequency amplifier

5: speaker unit 10: radio receiver

20: audio control unit 30: power amplification unit

40: speaker 50: micom

60: radio on / off checker 70: power supply

80: reservation setting unit 90: key input unit

Hereinafter, an apparatus and method for reserving a car audio program according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a functional block diagram illustrating a configuration of a car audio program reservation apparatus according to an embodiment of the present invention. As shown in FIG. 2, a desired channel is tuned to a frequency of a broadcast channel reserved by an unspecified driver or passenger. A radio receiver 10 receiving a broadcast signal; An audio control unit 20 for controlling various states of audio using power supplied from a power supply unit 70 of car audio; The power control unit 30 is configured to amplify the power input from the audio control unit 20 and the power input from the power supply unit 70.

In addition, the speaker 40 for outputting the voice signal so that the driver or passengers can hear the voice signal amplified by the power amplification unit 30; A microcomputer 50 for controlling the radio receiver 10, the radio on / off checker 60 and the reservation setting unit 80 of the car audio; A radio on / off checker (60) for controlling the radio on / off state of the car audio by the microcomputer (50); A power supply unit 70 supplying predetermined power to the car audio; A reservation setting unit 80 for setting an operation time of a radio in the car audio; The present embodiment includes a key input unit 90 for inputting a broadcast time to the reservation setting unit 80.

3 is a control flowchart illustrating an operation state of a car audio program reservation method according to an embodiment of the present invention. As shown in FIG. 3, the radio power of the car audio mounted in an unspecified vehicle is turned on. The first step (S1) of setting a desired operating time and frequency of the radio in the reservation setting mode state and starts counting the operating time of the radio.

In addition, when the reservation time is set in the first step (S1), the microcomputer 50 of the car audio determines whether it is a reserved time in the reservation setting unit 80. A second step (S2) of checking the on state by the radio on / off checker 60 to turn on the power if it is not on; When the radio on / off check unit 60 confirms that the radio power is on in the second step S2, the driver or the passenger can listen to the broadcast output through the speaker 40 after synchronizing the scheduled broadcast. The present embodiment is configured to include the third step S3.

Hereinafter, the operation of the car-audio broadcast program reservation apparatus and method configured as described above will be described in more detail with reference to the accompanying drawings.

First, when a predetermined car-audio power installed in an unspecified car is turned on, a radio broadcast can be received through the radio receiver 10, and if the audio function is to be operated, the audio control unit 20 is operated under the control of the audio controller 20. Done.

However, if a driver or a passenger wants to receive a desired radio broadcast at a desired broadcast time, the broadcast time and frequency are input through the key input unit 90 when the radio is turned on and in the reserved setting mode.

Thereafter, the broadcast time and frequency input through the key input unit 90 start setting in the reservation setting unit 80 and exit from the reservation setting mode when the setting is completed.

In the state of exiting from the reservation setting mode, the microcomputer 50 counters the current time to determine whether the driver or the passenger is a reserved time input through the key input unit 90, and again counters the current time.

At this time, if it is determined by the microcomputer 50 that the scheduled broadcast time in the reservation setting unit 80, the radio on / off checker 60 determines whether the power of the radio is on, if not on the power unit ( Through 70), power is supplied to each component of the radio to turn on the radio.

However, when it is confirmed by the radio on / off checker 60 that the power of the radio is on, the driver or a passenger tunes in a previously scheduled broadcast and the tuned broadcast is scheduled at the scheduled time. Listen through.

At this time, after amplifying the power signal through the power amplifier unit 30 to increase the radio signal output through the speaker 40, the radio is operated by the power supplied from the power supply unit 70.

Meanwhile, the present invention is not limited to the above embodiments and can be variously modified within the scope not departing from the technical gist of the present invention.

As described above, according to the present invention, an apparatus and method for reserving a car audio program may preset a radio operating time and a desired frequency of a car audio by a driver or a passenger to listen to a broadcast at a desired time without any additional operation. It helps safe driving and provides convenience to drivers and passengers.

Claims (2)

A radio receiver 10 which receives a desired broadcast signal by tuning to a frequency of a broadcast channel reserved by an unspecified driver or passenger; An audio control unit 20 for controlling various states of audio using power supplied from a power supply unit 70 of car audio; A power amplifier 30 which amplifies the power input from the audio control unit 20 and the power input from the power supply unit 70; A speaker 40 for outputting a voice signal so that a driver or a passenger can hear the voice signal amplified by the power amplifier 30; A microcomputer 50 for controlling the radio receiver 10, the radio on / off checker 60 and the reservation setting unit 80 of the car audio; A radio on / off checker (60) for controlling the radio on / off state of the car audio by the microcomputer (50); A power supply unit 70 supplying predetermined power to the car audio; A reservation setting unit 80 for setting an operation time of a radio in the car audio; And a key input unit (90) for inputting a broadcast time to the reservation setting unit (80). A first step (S1) of turning on the radio power of the car-audio mounted in the unspecified vehicle, setting the desired operating time and frequency of the desired radio in the reserved setting mode, and starting to counter the operating time of the radio; If the reservation time is set in the first step (S1), the microcomputer 50 of the car audio determines whether it is a reserved time in the reservation setting unit 80. A second step (S2) of checking the on state by the radio on / off checker 60 to turn on the power if not; When the radio on / off check unit 60 confirms that the radio power is on in the second step S2, the driver or the passenger can listen to the broadcast output through the speaker 40 after synchronizing the scheduled broadcast. Car-audio broadcasting program reservation method characterized in that it comprises a third step (S3).