KR102060773B1 - Radio channel reservation listening method of vehicle audio system - Google Patents

Abstract

The present invention relates to a broadcasting channel reservation method for a vehicle audio system, capable of enabling a user to listen to a reserved broadcasting channel in any region by reserving broadcast information through an automatic channel setting function of an audio system and transmitting broadcast information matched with a region based on a location at a reserved time. The broadcasting channel reservation method includes: a step in which if a radio reservation setting mode is selected, a channel reservation control part of an audio system makes a switch to a reservation mode and stores radio broadcasting channel reservation information inputted by a user in a memory; a step in which the channel reservation control part extracts reserved broadcast information at a reserved time by searching for the radio broadcasting channel reservation information when operated for a radio broadcasting function; a step in which the channel reservation control part detects the current position information in cooperation with a GPS receiver; and a step in which the channel reservation control part extracts a reserved broadcasting channel frequency corresponding to the corresponding position based on the detected position information and the broadcast information and transmits the reserved broadcast by controlling a tuner in accordance with the extracted reserved broadcasting channel frequency.

Description

Radio channel reservation listening method of vehicle audio system

The present invention relates to a broadcast channel reservation listening method of an in-vehicle audio system. Particularly, the broadcast information is reserved using a channel automatic setting function provided in the audio system, and at a reservation time, broadcast information matching the region is transmitted based on the location. The present invention relates to a broadcast channel reservation listening method of an in-vehicle audio system that enables a user to listen to a reserved broadcast in any region.

The vehicle is equipped with various audio systems (eg car audio systems, audio / video / navigation systems, navigation systems, etc.). While driving a vehicle, the audio system may be used to listen to radio broadcasts.

This audio system is equipped with an automatic tuning function. When the driver operates the automatic tuning function, the radio frequency of all channels that can be received in the region is searched for, and the number of channels based on the signal reception strength (receive field strength) can be stored as many as possible. Save it. In general, channel storage stores the frequencies in the order of the higher frequency bands.

Through this process, when a plurality of channels are stored, the user simply manipulates a button of a preset channel when using the radio, and immediately tunes the channel's frequency to transmit the received voice to the speaker so that the driver can listen to the radio broadcast. To help. At this time, the frequency of the channel maintains an appropriate received field strength except in special cases (eg, bad weather) in the region.

Alternatively, the vehicle's audio system can store several memory addresses as the radio frequency is manipulated, and store the broadcast channel as a memory address, and operate the memory button as needed to conveniently operate the broadcast channel. Make it possible to listen.

As another method of listening to a radio broadcast in a vehicle audio system, a broadcast channel is reserved, and when a reservation time is reached, a broadcast channel is automatically transmitted to enable reservation listening.

Conventionally proposed techniques for a car audio system installed in a vehicle are disclosed in the following <Patent Documents 1> to <Patent Document 4>.

The prior art disclosed in <Patent Document 1> includes a timer 12 for setting a reservation time, a mode input unit 14 for setting a desired time and a radio frequency, and a ROM storing the time and frequency at an input terminal of the electronic control apparatus 10. While 16 is connected, the tuner 18, which is received by frequency, is connected to the output terminal of the electronic control apparatus 10. Through this configuration, the user can automatically listen to the desired broadcast contents at a desired time, so that the user can listen even if he forgets.

In addition, the prior art disclosed in <Patent Literature 2> is a key input unit that can store a separate time reservation and a specific frequency, the key input unit is applied to the signal set by moving to a specific frequency set by the set time after the operation of the previous mode A microcomputer that controls the overall return to the frequency domain, a first sound control unit for controlling the volume output through the speakers installed in the driver's seat and the passenger seat of the vehicle, and controls the volume output through the speaker installed in the rear magnet of the vehicle It is configured to include a second sound control unit. Through this configuration, as a radio program time reservation device, a user can reserve a time zone and a frequency of a program to be listened to, and when the scheduled time arrives, the radio and the tape can be listened simultaneously. You can listen to news, traffic broadcasts, and broadcast programs of your choice.

In addition, the related art disclosed in <Patent Document 3> includes a reservation setting mode step for setting a reservation time and a broadcast channel performed when the program memory button is pressed for a few seconds, and a current time performed when the program memory button is shortly pressed. And a reservation time reading mode step of comparing and determining the reservation time, and a reservation execution mode step of reading the reservation broadcast. Through such a configuration, if a plurality of broadcast channels are set for each time zone in the reservation setting mode, the reserved broadcast channels can be continuously broadcast in sequence according to the reserved time, thereby increasing user convenience, and in the reservation setting mode or the reservation execution mode. The cancel button, the save button, and the release button used for the use of a plurality of buttons mounted on the existing radio, so that the driver can easily set the reservation or cancel the reservation execution while driving to help safe driving.

In addition, the prior art disclosed in <Patent Document 4> is a GPS receiver for detecting location information of the current region, an electric field strength detection unit for detecting the electric field strength of the received signal to determine the reception sensitivity of the frequency channel received by the tuner, The reception sensitivity of the current channel is determined based on the electric field strength of the received signal detected by the time information providing unit and the electric field strength detecting unit. The determination result indicates that the reception sensitivity of the current region is lower than the preset reference level. It analyzes the location information to determine whether there is a region change, and extracts the frequency channel corresponding to the current time based on the time information provided by the time information provider when changing the region, and automatically changes the frequency channel of the tuner based on this. It includes a control unit. Through this configuration, the channel can be changed to the same broadcast or similar broadcast automatically without the driver's operation when moving between regions while driving.

Republic of Korea Patent Publication No. 1998-054300 (published Sep. 25, 1998) (Radio broadcasting reservation device) Republic of Korea Patent Registration 10-0274758 (registered September 15, 2000) (radio program time reservation device and method) Republic of Korea Patent Publication No. 10-2005-0062672 (2005.06.27. Published) (radio audio scheduling system of car audio) Republic of Korea Patent Registration 10-1600683 (2016.03.07. Notification) (channel automatic setting device and method in a car audio system)

However, the above-described general vehicle audio system and the related art can automatically change channels when auto channel tuning or moving between regions, and store the broadcast channel selected by the user and immediately search and transmit the stored broadcast channel according to the user's operation. Although there is an advantage in that the broadcast channel reservation broadcast is based on frequency, when a vehicle is located in a region other than the region set when the channel is switched, there is a problem that a completely different broadcast is transmitted.

In other words, if the Seoul MBC frequency (95.1Mhz) is reserved, and a 95.1Mhz broadcast channel is transmitted when the vehicle is not located in Seoul and is located in Daegu at the scheduled time, MBC broadcasting does not appear and other broadcast channels are transmitted. Commit an error. Here, the broadcasting channel frequency of Daegu MBC is 96.5Mhz.

Accordingly, the present invention has been proposed to solve the above-mentioned problems in the related art, and reserves broadcast information using a channel automatic setting function provided in an audio system, and matches a region based on a location at a reservation time. An object of the present invention is to provide a broadcast channel reservation listening method of an in-vehicle audio system that transmits broadcast information so that a user can listen to a reserved broadcast in any region.

In order to achieve the object as described above, the "broadcast channel reservation listening method of the vehicle audio system" according to the present invention, (a) when the radio reservation setting mode is selected in the channel reservation control unit of the audio system is switched to the reservation mode, Storing radio broadcasting channel reservation information input by a user in a memory; (b) searching for the radio broadcast channel reservation information when the channel reservation control unit operates in a radio broadcasting function, and extracting reserved broadcast information when a reservation time arrives; (c) detecting, by the channel reservation controller, current location information in association with a GPS receiver; (d) extracting a reserved broadcast channel frequency corresponding to the corresponding location based on the position information and the broadcast information detected by the channel reservation control unit, and transmitting a reserved broadcast by controlling a tuner according to the extracted reserved broadcast channel frequency; Characterized in that.

In step (d), the frequency of each broadcasting information is extracted based on the GPS database.

In step (d), (d1) determining a broadcasting area based on the detected location information, and extracting broadcasting information corresponding to the determined broadcasting area; (d2) extracting a frequency mapped to the extracted broadcast information; (d3) receiving the reserved broadcast by controlling the tuner according to the extracted frequency, and transmitting the received broadcast signal.

According to the present invention, broadcast information is reserved by using an automatic channel setting function provided in an audio system, and at a reservation time, broadcast information corresponding to an area is transmitted based on a location, so that a user can listen to the reserved broadcast in any area. It has the advantage of promoting.

1 is a block diagram of an audio system to which a broadcasting channel reservation listening method of a vehicle audio system according to the present invention is applied;
2 is a flowchart illustrating a method for listening to broadcast channel reservation in an in-vehicle audio system according to the present invention.

Hereinafter, a broadcast channel reservation listening method of an in-vehicle audio system according to an exemplary embodiment of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram of a vehicle audio system to which a broadcast channel reservation listening method of a vehicle audio system according to an exemplary embodiment of the present invention is applied.

The vehicle audio system to which the present invention is applied is installed in a vehicle, and reserves a radio broadcast channel according to a user's operation, and informs the user through a display device when the scheduled broadcast time arrives, and automatically searches for the corresponding reserved broadcast channel. It sends out.

The vehicle audio system includes a GPS receiver 11 for acquiring real time location information and time information, a time information providing unit 16 for providing real time time information, and selection and reservation information of a radio broadcast channel according to a user's operation. The input unit 17 and the radio broadcasting channel reservation information requested by the input unit 17 are stored in the memory 19, and when the radio function is activated, the stored radio broadcasting channel reservation information is searched and the display unit (a 18) a channel reservation control unit 15 for displaying the reservation information and controlling the transmission of the reserved broadcast channel, a tuner 12 for selecting or changing a radio broadcast channel under the control of the channel reservation control unit 15, It includes a volume control unit 13 for adjusting the volume of the broadcast signal output from the tuner 12 to be delivered to the speaker (14).

2 is a flowchart illustrating a method for listening to a broadcast channel reservation of a vehicle audio system according to the present invention. (A) When the radio reservation setting mode is selected through the input unit 17 in the channel reservation control unit 15 of the audio system, the reservation mode is selected. Switching, and storing the radio broadcast channel reservation information input by the user in the memory 19 (S101) and (b) when the channel reservation control unit 15 operates as a radio broadcast function, the radio broadcast channel reservation information is stored. Searching and extracting the reserved broadcast information when the reservation time comes (S102-S105), and (c) detecting the current position information by interworking with the GPS receiver 11 in the channel reservation control unit 15 (S106). and (d) extracting the reserved broadcast channel frequency corresponding to the corresponding position based on the position information and the broadcast information detected by the channel reservation control unit 15, and tuning the tuner 12 according to the extracted reserved broadcast channel frequency. Controlling to transmit the reserved broadcast (S107-S110).

In the step (d), it is preferable to extract the frequency for each broadcasting information based on the GPS database.

In the step (d), (d1) determining a broadcasting area based on the detected location information, extracting broadcasting information corresponding to the determined broadcasting area, and (d2) extracting a frequency mapped to the extracted broadcasting information. (D3) controlling the tuner according to the extracted frequency to receive the reserved broadcast and transmitting the received broadcast signal.

Hereinafter, a broadcast channel reservation listening method of a vehicle audio system according to an exemplary embodiment of the present invention configured as described above will be described in detail.

First, the user activates the radio system to reserve a specific radio broadcast channel as in step S101, and selects a radio broadcast channel reservation function through the input unit 17. When the broadcast channel reservation function is selected, the channel reservation control unit 15 switches to the broadcast channel reservation mode and waits for a user input.

At this time, the user inputs the broadcast channel reservation time and frequency information using the automatic radio channel setting function through the input unit 17. That is, it is possible to set the radio broadcast channel reservation time and frequency in the same manner as 8:00 89.1MHz, or set the time and set broadcast channels such as MBC standard, KBS1 FM, and SBS power. When a broadcast channel reservation time and broadcast channel information are input, the channel reservation control unit 15 stores the radio broadcast channel reservation information in the memory 19.

In the state where the radio broadcast channel is reserved as described above, the radio mode is switched to the radio mode as in step S102. Then, the channel reservation control unit 15 provides time information provided by the time information providing unit 16 in steps S103 and S104. The radio broadcast reservation time is compared based on the result, and it is checked whether the reservation time is reached.

As a result of this check, if the radio broadcast channel reservation time is reached, the reservation information is displayed through the display unit 18, and the flow advances to step S105 to extract broadcast channel information corresponding to the reservation setting time.

Subsequently, the channel reservation control unit 15 moves to step S106 to detect the current position information in cooperation with the GPS receiver 11. Detect current broadcast area information.

Next, the channel reservation control unit 15 proceeds to step S107 to determine a broadcast area based on the detected position information, and extracts broadcast information corresponding to the determined broadcast area. Here, the broadcast information corresponding to the broadcast area may extract a frequency for each broadcast information based on a GPS database.

Subsequently, the process moves to step S108 to extract a frequency mapped to the extracted broadcast information from the memory.

In other words, if the broadcast channel reserved by the user is the MBC standard, the broadcasting frequency of 95.1Mhz is extracted, and then the broadcasting region is classified based on the current location information, and the frequency of the MBC standard broadcasting channel corresponding to the divided broadcasting region is extracted. Extract. If the current location is Daegu, the frequency of the extracted MBC standard broadcast channel is 96.5Mhz.

When the user extracts the frequency of the broadcast channel reserved by the above process, the control proceeds to step S109 to control the tuner 12 to receive the reserved broadcast. The received broadcast signal is transmitted to the speaker 14 through the volume control unit 13. In this case, the broadcast channel information is displayed on the display unit 180.

Accordingly, the user listens to the broadcast channel reserved by the user in step S110.

In other words, the reserved broadcast channel information is extracted when the reserved time is set while moving the vehicle while the user reserves the reserved time and the MBC standard broadcast channel in the Seoul area. At this time, the broadcast is not transmitted corresponding to the extracted broadcast channel information, and the broadcast channel frequency of the current location corresponding to the broadcast channel information reserved at the current location is searched again based on the location information. Thereafter, by receiving and transmitting broadcast information corresponding to the frequency of the searched MBC standard broadcast channel of the current region, the user can listen to the broadcast channel reserved by the user regardless of the position of the vehicle.

Although the invention made by the present inventors has been described in detail according to the above embodiments, the present invention is not limited to the above embodiments, and various modifications can be made without departing from the spirit and scope of the present invention. Self-evident to those who have

11: GPS receiver 12: tuner
13: volume control 14: speaker
15: channel reservation control unit 16: time information providing unit
17: input unit 18: display unit
19: memory

Claims (3)

A method of allowing a car audio system to reserve a broadcast channel and listen to the reserved broadcast channel based on a current location,
(a) switching to a reservation mode when a radio reservation setting mode is selected by a channel reservation control unit of an audio system, and storing radio broadcast channel reservation information input by a user in a memory;
(b) searching for the radio broadcast channel reservation information when the channel reservation control unit operates in a radio broadcast function, and extracting reserved broadcast information when a reservation time arrives;
(c) detecting, by the channel reservation controller, current location information in association with a GPS receiver; And
(d) extracting a reserved broadcast channel frequency corresponding to the corresponding location based on the position information and the broadcast information detected by the channel reservation control unit, and transmitting a reserved broadcast by controlling a tuner according to the extracted reserved broadcast channel frequency; and,
In the step (b), when the radio broadcast channel reservation time is reached, the broadcast information corresponding to the reservation setting time is extracted and the reservation information is displayed through the display unit.
Step (d) may include (d1) determining a broadcasting area based on the detected location information, and extracting broadcasting information corresponding to the determined broadcasting area; (d2) extracting a frequency mapped to the extracted broadcast information; (d3) receiving a reserved broadcast by controlling a tuner according to the extracted frequency, and transmitting a received broadcast signal.
The method of claim 1, wherein the step (d) extracts a frequency for each broadcast information based on a GPS database.








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