KR101458689B1 - Smart key system using qwerty keyboard and control method thereof - Google Patents

Abstract

A smart key system and a control method thereof using a QWERTY keyboard for enhancing the utility of a smart key by adding a QWERTY keyboard as an input device to a smart key in a vehicle are disclosed.
A method of controlling a smart key system using a QWERTY keyboard includes: searching a head unit when a pairing switch is input in a smart key device; Establishing a connection with the head unit searched in the smart key device through a pairing; Transmitting the input information to the head unit via the Bluetooth communication when the information using the QWERTY keyboard is input after the connection setting in the smart key device; Receiving information transmitted from the smart key device through the Bluetooth communication in the head unit; Extracting route guidance information by executing a command corresponding to information received by the head unit, and displaying the extracted route guidance information.

Description

Technical Field [0001] The present invention relates to a smart key system using a QWERTY keyboard,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a smart key system using a qwerty keyboard, and more particularly, to a smart key system using a qwerty keyboard, To a smart key system using a keyboard and a control method thereof.

In general, a Smart Key System is a system that allows a vehicle owner to unlock and start the engine without using a physical key or a remote control button.

The LF antenna of the vehicle is driven by the LF antenna of the vehicle, the LF is transmitted by the smart key (FOB key), the RF is automatically transmitted from the FOB key after the LF reception, and the FOB key is authenticated The door can be unlocked or the engine can be started.

In such a smart key system, when the driver holds the FOB key in a normal situation, the vehicle recognizes the key and presses the start button without pressing the key. However, when the FOB key battery is discharged or due to an external environment, If the FOB key is not recognized by the vehicle, such as when the communication distance is not guaranteed, an emergency start must be performed.

A prior art in which a smart key system is installed in a vehicle is disclosed in Korean Patent Registration No. 10-0857084 (entitled: Emergency start system using a USSB smart key and its starting method), Korea Intellectual Property Office [0001] The present invention relates to an intelligent digital door lock having a smart key for a vehicle, and more particularly, to an intelligent digital door lock having a smart key for a vehicle, which is disclosed in Korean Patent Application Publication No. 10-0808405 (Mar. (Smart key for vehicle and telematics system for a vehicle using the same).

1. Patent Registration No. 10-0857084 of the Korean Intellectual Property Office (hereinafter referred to as "Patent Registration No. 10-0857084") (Name of invention: Emergency start-up system using a USSB smart key and method of starting the same). 2. Korea Intellectual Property Office Registration No. 10-0808405 (Mar. 3, 2008) (Name of invention: Intelligent digital door lock with smart key for vehicle). 3. KITO Publication No. 10-2009-0065341 (published on June 22, 2009) (title of the invention: smart key for vehicle and telematics system for vehicle using the smart key).

However, in the above-described related arts, there is only a function of the smart key system to simply lock / unlock the door or trunk of the vehicle, and it is impossible to communicate with the navigation provided in the vehicle using the smart key system or search for navigation There are disadvantages.

That is, the smart key system applied to the conventional vehicle has a disadvantage in that it is possible to use only simple functions such as opening or closing a door of a vehicle, opening a trunk, and the like.

SUMMARY OF THE INVENTION Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

SUMMARY OF THE INVENTION It is an object of the present invention to provide a smart key system and a control method thereof using a QWERTY keyboard that increases the utility of a smart key by adding a QWERTY keyboard as an input device to a smart key in a vehicle.

Another object of the present invention is to provide a smart key system and a control method thereof using a QWERTY keyboard that enables communication with a head unit of a vehicle wirelessly via a Bluetooth communication in a smart key system .

Another object of the present invention is to provide a smart key system, a smart key system, a smart key system and a smart key system, which enable a user to input information such as address, System and a control method thereof.

According to an aspect of the present invention, there is provided a smart key system using a QWERTY keyboard,

A smart key device for pairing with a head unit mounted on a vehicle via Bluetooth communication and transmitting information input via a QWERTY keyboard to the head unit using a Bluetooth signal;

And a head unit connected to the smart key device through the Bluetooth communication and outputting the guidance information according to information input from the smart key device as a Bluetooth signal.

The smart key device includes a pairing switch for selecting an on / off operation of a pairing function;

A QWERTY keyboard, comprising: an input for inputting information;

And a control unit for controlling the connection setting through the Bluetooth communication with the head unit when the pairing function is requested by the pairing switch unit and controlling the information input through the input unit to be transmitted to the head unit via the Bluetooth communication after the pairing is established, ;

And a transmitting unit connected to the head unit through Bluetooth communication under the control of the controller and transmitting information generated in the controller to the head unit as a Bluetooth signal.

And the input unit forms the QWERTY keyboard into a liquid crystal screen.

The head unit may include a receiving unit connected to the smart key device through the Bluetooth communication and receiving data transmitted from the smart key device;

A controller for establishing a connection with the smart key device based on the data received by the receiver and controlling the display of the navigation information extracted based on the information transmitted from the smart key device;

And a display unit for visually displaying route guidance information output from the control unit.

According to another aspect of the present invention, there is provided a method of controlling a smart key system using a QWERTY keyboard,

(a) when a pairing switch is inputted in the smart key device, searching for a head unit;

(b) establishing a connection with the head unit searched in the smart key device through pairing;

(c) when the information using the QWERTY keyboard is input after the connection setting in the smart key device, transmitting the input information to the head unit via Bluetooth communication;

(d) receiving information transmitted from the smart key device through the Bluetooth communication in the head unit;

(e) executing a command corresponding to information received by the head unit to extract route guidance information, and displaying the extracted route guidance information.

According to the present invention, the smart key can be used as a wireless input device, and the address information of the navigation can be conveniently input by using the smart key without operating the touch screen of the head unit.

Further, according to the present invention, a smart key can be used as a data input device by adding a QWERTY keyboard, and a smart key can be used as a remote controller of a head unit at any position of the vehicle.

1 is a block diagram of a smart key system using a QWERTY keyboard according to the present invention;
FIG. 2A is an exemplary view of the input unit shown in FIG. 1, and FIG. 2B is a keyboard layout view of the input unit shown in FIG. 1. FIG.
3 is a flowchart illustrating a smart key system control method using a QWERTY keyboard according to the present invention.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail.

≪ Example 1 >

FIG. 1 is a block diagram of a smart key system using a QWERTY keyboard according to the present invention, which is composed of a smart key device 100 and a head unit 200.

The smart key device 100 is paired with the head unit 200 mounted on the vehicle through Bluetooth communication and transmits information input through a QWERTY keyboard to the head unit 200 as a Bluetooth signal . The smart key device 100 includes functions for normal door open / close control and trunk control.

In the above, pairing is a procedure for confirming a predetermined password when Bluetooth capable devices communicate with each other, and is also referred to as a trust agreement through a password exchange. The process of exchanging passwords will be more useful for security, but it will be inconvenient, so you only need to verify that the password you set on one side is correct and the password you entered on the device you are requesting to communicate with. When the confirmation is completed, the device does not need a password verification procedure and is always ready for connection.

Bluetooth is a short-range wireless technology standard for exchanging information by connecting mobile devices to each other wirelessly. It is a communication method used when a low-power wireless connection is required in a short distance of about 10 meters.

The QWERTY keyboard is a QWERTY type keyboard, which is one of alphabet typewriters and computer keyboard arrangements. The QWERTY keyboard is as shown in FIG. 2A, and six alphabetic keys on the first (upper) T, and Y, which is called QWERTY. The QWERTY keyboard appears as a traditional keyboard layout and is used as a standard for computer keyboards. The layout of the keyboard is shown in FIG.

The smart key device 100 includes a pairing switch 110 for selecting an on / off operation of a pairing function; A QWERTY keyboard, and includes an input unit 120 for inputting information; When the pairing is requested by the pairing switch unit 110, the head unit 200 is connected to the head unit 200 through Bluetooth communication to control the connection setting. After the pairing is set, the information input through the input unit 120 is transmitted through the Bluetooth communication A control unit 130 for controlling the head unit 200 to be transmitted; A transmitting unit 150 connected to the head unit 200 through Bluetooth communication under the control of the controller 130 and transmitting information generated in the controller 130 to the head unit 200; And an LED unit 140 for displaying an operation state such as communication under the control of the controller 130. [

In this case, the input unit 120 may display the QWERTY keyboard as a liquid crystal screen.

The head unit 200 is connected to the smart key device 100 through the Bluetooth communication and outputs the guidance information according to input information transmitted from the smart key device 100 via the Bluetooth signal do. This head unit 200 includes vehicle navigation equipped with a GPS module, and the head unit 200 outputs the guidance information for the destination at the request of the user. The head unit 200 may have additional functions such as audio playback, video playback, dictionary, game, etc., in addition to the navigation function.

The head unit 200 includes a receiving unit 210 for connecting to the smart key device 100 via the Bluetooth communication and receiving data transmitted from the smart key device 100; A control unit 220 connected to the smart key device 100 based on the data received by the receiving unit 210 and controlling the display of the route guidance information extracted based on the information transmitted from the smart key device 100, ; And a display unit 230 for visually displaying the guidance information output from the control unit 220. [

The operation of the smart key system using the QWERTY keyboard according to the present invention will now be described in detail.

In the configuration shown in FIG. 1, the function of opening / closing the door or controlling the trunk by using the smart key device 100 operates in the same manner as a smart key applied to a normal vehicle, and thus a detailed description thereof will be omitted.

In order to communicate with the navigation head unit 200 using the smart key system using the QWERTY keyboard according to the present invention, it is necessary to establish a connection by attempting pairing. In order to establish connection with the head unit 200, the driver or the passenger presses the on / off switch provided on the pairing switch unit 110 of the smart key device 100.

Here, the ON / OFF switch is a structure in which an ON signal is generated when the switch is pressed in the initial state, and an OFF signal is generated when the switch is pressed again.

When the on / off switch of the pairing switch unit 110 is pressed, a pairing-on signal (assumed to be in the initial state) is generated and transmitted to the control unit 130. The control unit 130 controls the smart key device 100 ) Is searched for the designated head unit.

Then, if there is a head unit designated by the smart key device, a Bluetooth pairing is attempted with the head unit to establish a connection. Here, the connection setting method is preferably the same as the normal Bluetooth pairing method.

The driver or the user inputs information such as the navigation destination address through the QWERTY keyboard provided in the input unit 120 while the connection with the head unit 200 is established through the password verification method. Here, the configuration of the QWERTY keyboard is as shown in FIG. 2A and FIG. 2B. Since the method of inputting data through the QWERTY keyboard is a well-known technology well known in communication and computer fields, a detailed description thereof will be omitted. The above-mentioned QWERTY keyboard may be implemented as a protruding type like a keyboard type, but it may be implemented as a liquid crystal screen. When a QWERTY keyboard is realized on a liquid crystal screen, the input unit 120 is implemented as a touch screen. In this case, a driver or a user inputs information through a touch in the same manner as inputting information through a smart phone .

The information input through the input unit 120 is transmitted to the controller 130. The controller 130 transmits the input information to the transmitter 150 and transmits the input information to the head unit 200 via the Bluetooth communication.

The receiving unit 210 of the head unit 200 receives input information (for example, navigation address information) transmitted from the smart key device 100 via the Bluetooth communication and transmits the input information to the controller 220. The control unit 220 extracts route information by executing a command according to the input information to be transmitted, and displays the extracted route information on the display unit 230.

Therefore, the driver or the passenger can input necessary information by using the smart key device 100 as an input device such as a computer keyboard at any position of the vehicle. In this case, It operates like a remote control.

However, the present invention is not limited to this, and the direction key (→, ←, ↑, ↓) of the input unit 120 may be used to input the address information to the navigation device using the smart key device It is also possible to retrieve navigation information or manipulate the menu.

≪ Example 2 >

FIG. 3 is a flowchart illustrating a method of controlling a smart key system using a QWERTY keyboard according to the present invention. FIG. 3 is a flowchart illustrating a method of controlling a smart key system using a QWERTY keyboard according to the present invention. (b) establishing a connection with the head unit 200 searched by the smart key device 100 through pairing (S102); (c) transmitting the input information to the head unit 200 through the Bluetooth communication when the information using the QWERTY keyboard is input after the connection setting in the smart key device 100 (S103 to S104); (d) receiving (S105) information transmitted from the smart key device (100) through the Bluetooth communication in the head unit (200); (e) executing instructions corresponding to the information received by the head unit 200 to extract route guidance information, and displaying the extracted route guidance information (S106 to S107).

In the smart key system control method using the QWERTY keyboard configured as described above, when the pairing on / off switch is inputted (assuming initial input) in step S101, the smart key designation head unit 200 exists .

If the smart key designation head unit exists as a result of searching the head unit 200, a connection with the head unit 200 is established through the Bluetooth pairing function in step S102.

After establishing connection with the head unit 200, in step S103, it is confirmed whether information is input through the input unit 120. [ When the information is input through the input unit 120, the information input at step S104 is converted into a Bluetooth signal and transmitted to the head unit 200. [

In step S105, the head unit 200 receives the information transmitted through the Bluetooth communication from the smart key device 100, converts the Bluetooth signal received in step S106 into data, and utilizes the converted data as a command word The corresponding command is executed. At this time, if the received command is the navigation address information, the route is searched by searching the route in the normal navigation.

Then, in step S107, the received route guidance path is displayed on the display unit 230. [ Thus, the driver or the passenger can directly input the address information into the navigation using the smart key device without directly inputting the navigation address information by operating the touch screen of the navigation device directly. In this case, even if the occupant sits in the back seat, it is convenient to input the address information into the navigation system.

However, the present invention is not limited to this. The navigation information may be retrieved using the direction keys (→, ←, ↑, ↓) of the input unit 120 Or manipulate the menu.

Although the present invention has been described in connection with certain exemplary embodiments, it is to be understood that the present invention is not limited to the disclosed exemplary embodiments, Various modifications and changes may be made within the scope of the claims.

100: Smart key device 110: Pairing switch part
120: input unit 130:
150: transmitting unit 200: head unit
210: Receiver 220:
230:

Claims (5)

A smart key device for pairing with a head unit mounted on a vehicle via Bluetooth communication and transmitting information input via a QWERTY keyboard to the head unit using a Bluetooth signal; And a head unit connected to the smart key device through the Bluetooth communication and outputting the guidance information according to information input from the smart key device as a Bluetooth signal;
Wherein the smart key device comprises: a pairing switch unit for selecting on / off operation of the pairing function; An input for inputting information including a QWERTY keyboard; And a control unit for controlling the connection setting through the Bluetooth communication with the head unit when the pairing function is requested by the pairing switch unit and controlling the information input through the input unit to be transmitted to the head unit via the Bluetooth communication after the pairing is established, ; And a transmitting unit connected to the head unit through Bluetooth communication under the control of the controller and transmitting information generated by the controller to the head unit as a Bluetooth signal,
Wherein the input unit forms the QWERTY keyboard as a liquid crystal screen.
delete delete The mobile communication terminal of claim 1, wherein the head unit comprises: a receiving unit connected to the smart key device through the Bluetooth communication and receiving data transmitted from the smart key device;
A controller for establishing a connection with the smart key device based on the data received by the receiver and controlling the display of the navigation information extracted based on the information transmitted from the smart key device;
And a display unit for visually displaying the guidance information output from the control unit.
A method of controlling a smart key system using a QWERTY keyboard,
(a) when a pairing switch is inputted in the smart key device, searching for a head unit;
(b) establishing a connection with the head unit searched in the smart key device through pairing;
(c) transmitting the input information to the head unit via the Bluetooth communication when the information using the QWERTY keyboard shaped as a liquid crystal screen is input after the connection setting in the smart key device;
(d) receiving information transmitted from the smart key device through the Bluetooth communication in the head unit; And
(e) executing a command corresponding to information received by the head unit to extract route guidance information, and displaying the extracted route guidance information.

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