KR19990015621A - Remote control combined use card audio system - Google Patents

Abstract

The present invention relates to a card-type car audio combined with a remote control, and a knob for switching at the same time to implement an integrated circuit and an infrared ray transmitting device equipped with a slip type rechargeable battery inside the card and performs an infrared function is provided with a TECT switch. In the car audio, a receiving unit capable of receiving infrared rays, a control unit processing a digital signal received from the receiving unit according to a predetermined function, and a card charging function by detecting a load corresponding to the card when the card is inserted into the car audio. It consists of a load sensing unit to carry out the function, so that the car audio function selection is not made only in the front panel of the car audio, it is possible to control by radio, so that the car audio can be operated at any position inside the car. Increase the ease of use of the audio.

Description

Remote control combined use card audio system

BACKGROUND OF THE INVENTION Field of the Invention The present invention relates to car audio, and in particular, by forming a card to turn on / off the power of the car audio on the front side of the car audio, and by implementing a predetermined integrated circuit inside the card, The present invention relates to a remote control combined card type audio system for performing an infrared remote control function and improving convenience of use as the function selection of the car audio is wirelessly controlled.

In general, car audio is developed so that the car audio front panel can be detachably used to prevent theft of the car audio. The removable front panel allows the driver to carry the car and prevent theft of the car audio. Therefore, the driver should install the front panel when using the car and use the car audio, and carry the front panel when stopping.

However, the removable front panel of the car audio has a size corresponding to the front surface of the car audio, which is not only convenient to carry, but also loses the purpose of preventing theft when the front panel is lost. Since the function depends only on the key operation, there is a functional limitation, which causes a problem that the ease of use obtained by carrying is reduced.

Accordingly, the present invention provides a charging function and an infrared ray transmitting device inside a card of a card-type car audio, and at the same time, by mounting an infrared receiver inside the car audio, the car audio can be operated at any position inside the vehicle. Its purpose is to increase the ease of use of car audio.

In order to achieve the above object, the present invention implements an integrated circuit and an infrared ray transmitting apparatus that perform a infrared function and include a slip type rechargeable battery inside the card, and a knob for switching at the same time is provided with a Tact switch. In the car audio, a receiving unit capable of receiving infrared rays, a control unit processing a digital signal received from the receiving unit according to a predetermined function, and a card charging function by sensing a load corresponding to the card when it is inserted into the car audio. It is characterized by consisting of a load sensing unit.

1 is an overall perspective view according to the present invention,

2 is a perspective view showing a transmission device of the present invention,

3 is a block diagram showing a transmission device of the present invention;

4 is a block diagram showing a receiving device of the present invention.

<Explanation of symbols for main parts of drawing>

1: remote control card 3: card connector

4: IR receiver 5: Tact switch

6: signal terminal part 8: card circuit part

10: rechargeable battery 11: integrated circuit

12 contact portion 13 infrared light emitting element

15: first power supply unit 16: second power supply unit

17: data output controller 18: transmitter

19: unique number output unit 20: key input unit

21: receiver 22: signal latch

23 decoding unit 24 control unit

26: load detection unit 27: data input unit

28: memory unit 30: card power supply terminal

31: Identification number input terminal

The configuration of the present invention as described above is as follows.

First, the configuration of the combined remote control card type car audio according to the present invention, a remote control card (1) formed so as to carry a pocket in a certain size, as shown in Figure 1, the remote control card (1) is one side of the car audio Card insertion port (2) provided to be inserted into the, and when the remote control card (1) is inserted through the card insertion opening (2) Card connector for connecting the specific system of the remote control card (1) and the car audio ( 3), and when the infrared function of the remote control card 1 is exercised, it consists of an infrared ray receiving sensor 4 for receiving the infrared signal transmitted therefrom.

In addition, a text switch 5 for controlling a function of a car audio is located at the front part of the remote control card 1, and the front part of the remote control card 1 is used to flow out signals when combined with the card connector 3. A signal terminal portion 6 for forming the same is formed.

In addition, the configuration of the remote control card 1 is shown in Figure 2, the specific description is as follows.

First, the remote control card 1 includes a card front part 7 provided with a text switch 5 for practical control, a card back part 9 for card protection, and a card back part 9 and a card. It consists of a card circuit section 8 which constitutes the overall control circuit of the card between the front sections 7.

On the front side of the card circuit section 8, a signal terminal section 14 having a terminal for flowing in and out of a card identification signal used for preventing theft and receiving a predetermined power, and inputting power from the signal terminal section 6 is provided. Receiving the battery 10 to charge it when performing the infrared transmission function and the integrated circuit 11 for receiving a charging current of the rechargeable battery 10 to emit a digital signal in accordance with the switching signal of the text switch (5) And an contact portion 12 connected to the input side of the integrated circuit 11 to form a switching contact, and an infrared light emitting element 13 for emitting infrared rays in accordance with the output signal of the integrated circuit 11.

The operation description of the present invention having such a configuration is as follows.

First, the user inserts the remote control card 1 through the card insertion opening 2 to apply power to the car audio. The preferred terminal unit 6 and the card connector 3 are coupled to each other, so that the backup power of the car audio is applied to the remote control card 1. Then, the power applied through the signal terminal unit 6 flows into the integrated circuit 11 and the rechargeable battery 10 at the same time to perform the initial function of the integrated circuit 11 at the same time as the charging function.

At this time, the initial function of the integrated circuit 11, by outputting a specific digital signal for preventing theft of the audio, the unique number is already stored in the transmission of the car audio through the signal terminal unit 6 To turn on the power.

Thereafter, the user can remove the remote control card 1 and use it as a remote control. In this case, since the rechargeable battery 10 is already charged, there is no restriction in using the remote control. Therefore, the main function of the car audio is controlled through a plurality of text switches 5 located in the front face portion 7 of the card. The control of this main function is that when the text switch 5 is pressed by the user, i.e., a passenger who is not at any position inside the vehicle, the contact part 12 makes contact with the integrated circuit 11 to transmit the corresponding signal. It is authorized.

Then, the integrated circuit 11 transmits an output signal corresponding to the contact signal to the infrared light emitting element 13, thereby emitting a specific signal through the infrared to the car audio.

The specific control signal emitted here is transmitted to the infrared receiving sensor 4 so as to control a specific function of the car audio according to the contact signal.

On the other hand, the block configuration according to the transmitting device of the remote control card described in the embodiment and the block configuration according to the receiving device of the remote control card not described as follows.

First, as shown in FIG. 3, the block configuration for transmitting the remote controller card performs the functions of the first power supply unit 15, which is a backup power source of the car audio, and the rechargeable battery 10 mounted in the remote control card 1. A data output controller 17 which receives power from the second power supply unit 16, the second power supply unit 16 and the first power supply unit 15, and outputs a digitized signal according to a predetermined input signal; A transmitter 18 connected to the output side of the controller 17 to emit infrared signals according to the input signal, and a unique number to output the unique number of the card when power is first applied after the power is cut off to the data output controller 17. Number output section 19;

In addition, a key input unit 20 is provided on the input side of the data output control unit 17 so as to control car audio according to a user's intention.

Also, a reception block configuration in a car audio capable of receiving the transmitted data is shown in FIG. 4 and the description thereof is as follows.

First, a receiver 21 for converting the received infrared signal into an electrical signal in order to receive an infrared signal, and a signal latch 22 for latching the output signal of the receiver 21 by bit of a predetermined size. And a decoding unit 23 for interpreting the latch signal of the signal latch unit 22 and transmitting a control command, and an output signal of the decoding unit 23, that is, a control command selected by the user, to collectively control the system. A first power supply unit 15 connected to a power supply input terminal of the control unit 24 and supplying electric power at all times when the vehicle is in standby mode regardless of the power switch on / off of the car audio; When the card is inserted into the car audio, the load detection unit 26 for detecting the overall load of the car audio to determine whether the card is inserted, and the unique number that is connected to the input and output terminal of the control unit applied from the remote control card certain A data input unit 27 for receiving a signal and controlling on / off of the system, connected to a data bus of a predetermined bit of the controller to store a unique number of a car audio, and to receive data from the data input unit 27; It is composed of a memory unit 28 for comparison.

As a key input terminal of the control unit 24, a key input unit 29 for selecting a predetermined function of the car audio is provided at the front panel of the car audio, and is wired to one side of the load sensing unit 26. When the remote control card 1 is inserted into the car audio, a card power supply terminal 30 provided in the card connector 3 is configured to supply power from the backup power supply to the remote control card, and the data input unit 27 is provided. In the data input terminal of the remote control card 1 is inserted into the car audio and at the same time the unique number input terminal 31 provided in the card connector 3 so as to apply a predetermined unique number to the car audio is located. .

The operation description according to the configuration of such a transceiver is as follows.

First, when the remote control card is inserted into the car audio, it is determined that the remote control card is inserted through the load sensing unit 26. The impedance of the card power supply terminal 30 has a specific resistance value of the remote control card when the remote control card is inserted. To sense. Therefore, the load sensing unit 26 outputs a load sensing signal to the controller 24 from the resistance value of the remote controller card sensed at this time, so that the controller 24 determines that the remote controller card is inserted into the car audio.

Accordingly, power is supplied from the first power supply unit 15 to the data output control unit 17 and power is supplied to the second power supply unit 16, thereby simultaneously supplying and charging the remote controller card. Then, the data output control unit 17 in this remote control card receives power to output a control signal for switching the power of the car audio. The control signal is supplied to the card identification data output unit 19 to output a unique number that is already set to the same data on the remote control card and the car audio. Therefore, the data of a predetermined signal is introduced into the car audio through the card connector described above, which is the data is applied to the data input unit 27 via the unique number input terminal 31.

Then, the controller 24 compares the data applied to the data input unit 27 with the unique number already stored in the memory unit 28 to determine whether the car audio power is supplied. If the data stored in the memory unit 28 and the data applied through the data input unit 27 coincide with each other, power is supplied to the car audio to use the car audio.

After that, the user detaches the remote control card and uses the remote controller, which is supplied with power to the second power supply unit 16 by the first power supply unit 15 to perform the remote control function as the second power supply unit 16 is already charged. It can be. Therefore, the data output controller 17 receives the charged power from the second power supply unit 16 and outputs data to the transmitter 18 according to a control signal through the key input unit 20 of the user.

The transmission data output at this time is to receive data through the receiver 21. When the data is transmitted, the data input by the signal latch 22 is temporarily stored for a predetermined bit, and when it is determined that one command cycle is received, the data is interpreted through the decoding unit 23. This data interpretation is for selecting one command among a plurality of commands, which is selected by the controller 24.

In this case, the command selection of the control unit 24 is to compare the command data stored in the memory unit 28 with the currently received data so as to perform a function corresponding to a command that is mutually matched. You can choose the function of the car audio.

As described above, the present invention implements an infrared transmitting device on a card used to prevent theft of a car audio and at the same time mounts an infrared receiver in the car audio, so that not only the passenger sitting in the back seat of the car but also a large vehicle such as a bus The user boarding in the rear can also easily select the function of the car audio has the effect of increasing the ease of use by extending the function of the car audio only.

Claims (4)

In a car audio device that prevents theft of the car audio, The remote control card (1) is inserted into one side of the car audio to control the power of the car audio on and off, and at the same time when the car audio is detached from the car audio can transmit the infrared data to select the function of the car audio within a certain distance Wow, Combined card-type car audio, characterized in that consisting of a main body for receiving the infrared data transmitted from the remote control card (1) to perform a corresponding function according to the input data. 2. The remote control card (1) according to claim 1, wherein the remote control card (1) is provided with a text switch (5) provided for switching signals to the card front part (7), the front part (7) of the remote control card (1) and the back of the card. Combined card type audio system, characterized in that consisting of a card circuit unit (8) to perform an infrared transmission function and a unique number output function between the (9). 3. The card circuit section (8) according to claim 2, wherein the card circuit section (8) controls a signal terminal section (6) for carrying out a predetermined signal flow in and out of the front of the card circuit section (8) and through the signal terminal section (6). An integrated circuit 11 for performing the operation, a contact unit 12 for receiving a switched signal from a user through the signal input terminal of the integrated circuit 11, and charging and discharging electric power during a certain operation for input / output of the signal. And a rechargeable battery 10 and an infrared light emitting element 13 connected to an output terminal of the integrated circuit 11 to emit infrared rays according to a control signal of the integrated circuit 11. Car audio. 4. The signal terminal unit (6) according to claim 3, characterized in that the signal terminal unit (6) comprises a unique number input terminal (31) for outputting a unique number of the card and a card power supply terminal (30) for supplying power into the card. Remote control combined use card-style car audio system.