KR20140082230A - 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 tethering switch is input in a smart key device; Setting tethering with the head unit when the personal identification number of the head unit searched by the smart key device is input; Transmitting the input information to the head unit through Wi-Fi direct communication when the information using the QWERTY keyboard is input after the tethering setting in the smart key device; Receiving information transmitted from the smart key device via the Wi-Fi direct 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.

However, when the battery of the FOB key is discharged or disturbance, the communication distance of the FOB key may be shortened. If the FOB key is not recognized by the vehicle, such as when the FOB key 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 conventional technologies, the smart key system has merely functions to lock / unlock the door of the vehicle and control the trunk, and it is impossible to communicate with the navigation provided in the vehicle using the smart key system, 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 problem to be solved by the present invention is to provide a smart key system in which a QWERTY keyboard can be connected to a head unit of a vehicle wirelessly via Wi-Fi Direct communication in a smart key system, Key system and a control method thereof.

Another problem to be solved by the present invention is to provide a smart key system, which uses a QWERTY keyboard to access information such as a street address and navigate through a navigation menu by accessing a navigation device mounted on a vehicle through short- A smart key 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 performing tethering via a Wi-Fi direct communication with a head unit mounted on a vehicle, and wirelessly transmitting information input through the QWERTY keyboard to the head unit;

And a head unit for wirelessly communicating with the smart key device via the Wi-Fi direct communication and outputting guidance information according to input information wirelessly transmitted from the smart key device.

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

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

When the tethering function is requested by the tethering switch unit, the tethering function is set to be wirelessly connected to the head unit to control the setting of the tethering function, and after inputting the information inputted through the input unit, A control unit for controlling transmission to the unit;

And a transmitter for establishing a tethering function by accessing the head unit through Wi-Fi direct communication under the control of the controller, and transmitting information generated by the controller to the head unit.

The head unit may include: a receiving unit connected to the smart key device through the Wi-Fi direct communication and receiving data transmitted from the smart key device;

A control unit for authenticating the smart key device based on the data received by the receiving unit and controlling display of the route guidance 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 tethering switch is input in a smart key device, searching for a head unit;

(b) setting tethering with the head unit when a personal identification number of the head unit searched by the smart key device is input;

(c) transmitting the input information to the head unit via Wi-Fi direct communication when the information using the QWERTY keyboard is input after the tethering setting in the smart key device;

(d) receiving information transmitted over the Wi-Fi direct communication from the smart key device at 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, FIG. 2B is a keyboard layout of the input unit shown in FIG. 1,
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 performs tethering with Wi-Fi Direct communication with the head unit 200 mounted on the vehicle and transmits information input through a QWERTY keyboard And transmits the data to the head unit 200 wirelessly. The smart key device 100 includes functions for normal door open / close control and trunk control.

In the above, Wi-Fi Direct refers to direct communication between Wi-Fi equipped devices without going through a Wi-Fi Direct Access Point (AP) supporting connection between Wi-Fi Alliance devices.

In addition, tethering refers to connecting devices that can access the Internet with IT devices using Bluetooth wireless technology or a USB cable. For example, a smartphone may be used as a modem to connect the notebook to the Internet. In the past, tethering services existed at a basic level to connect mobile phones to laptops to access the Internet, but since the launch of the iPhone 3GS, interest in tethering has increased.

In addition, the QWERTY keyboard is a QWERTY type keyboard, which is one of the alphabet typewriters and the computer keyboard arrangement. As shown in FIG. 2A, the six alphabetic keys on the first (upper) alphabet line are Q, W, E, , And Y, which are 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 known smart key device 100 includes a tethering switch 110 for selecting the on / off operation of the tethering function; A QWERTY keyboard, and includes an input unit 120 for inputting information; When the tethering function is requested by the tethering switch unit 110, the head unit 200 is wirelessly connected to control the setting of the tethering function, and the information inputted through the input unit 120 after the tethering is set A control unit (130) for controlling the transmission to the head unit (200) through Wi-Fi direct communication; A transmission unit for establishing a tethering function and establishing a tethering function by Wi-Fi direct communication with the head unit 200 under the control of the control unit 130 and transmitting information generated in the control unit 130 to the head unit 200; (150); And an LED unit 140 for displaying an operation state such as during communication or Wi-Fi direct communication under the control of the controller 130. [

The head unit 200 wirelessly communicates with the smart key device 100 via the Wi-Fi direct communication and outputs route guidance information according to input information wirelessly transmitted from the smart key device 100 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 connected to the smart key device 100 through the Wi-Fi direct communication and receiving data transmitted from the smart key device 100; A controller 220 for authenticating the smart key device 100 based on the data received by the receiver 210 and for 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 set the tethering with the head unit 200 as a navigation device using the smart key system using the QWERTY keyboard according to the present invention and to use the smart key device 100 as a QWERTY keyboard, Off switch provided on the tethering switch unit 110 of the switch 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.

A tethering-on signal (assumed to be the initial state) is generated and transmitted to the control unit 130. The control unit 130 controls the operation of the smart key device 100 The designated head unit is searched.

If the head unit designated by the smart key device is present, the personal identification number of the head unit is inputted. Accordingly, the driver inputs the personal identification number of the head unit using the QWERTY keyboard of the input unit 120.

When the personal identification number of the head unit is input, the control unit 130 transmits the personal identification number to the transmission unit 150, and the transmission unit 150 attempts to access the head unit 200 through the Wi-Fi direct communication.

The head unit 200 requests a personal identification number (PIN) of the smart key device 100 when a tethering connection is requested.

Upon receiving the request signal, the transmitter 150 converts the personal identification number (PIN) of the corresponding head unit 200 received from the controller 130 into a Wi-Fi direct communication signal and transmits the Wi-Fi direct communication signal to the head unit 200 , And if authentication is performed in the head unit 200, tethering is set so that direct Wi-Fi direct communication can be performed between the smart key device 100 and the head unit 200 without a separate router.

After the tethering is set, the driver or the user inputs information such as the navigation destination address or the like through the QWERTY keyboard provided in the input unit 120. 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 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 through Wi- I will.

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 Wi-Fi direct communication and transmits the input information to the control unit 220 do. 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.

If the tethering function is to be terminated while the tethering function is being performed, the driver or passenger operates the tethering on / off switch of the tethering switch unit 110. Then, the tethering switch unit 110 generates a tethering off signal (a signal opposite to the previous tethering signal), and when the tethering off signal is transmitted, the controller 130 controls the transmitting unit 150, The setting is canceled.

≪ Example 2 >

FIG. 3 is a flowchart illustrating a smart key system control method 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 an embodiment of the present invention. ; (b) setting tethering with the head unit 200 (S102 to S104) when a personal identification number (PIN) of the head unit 200 searched by the smart key device 100 is inputted; (c) transmitting the input information to the head unit 200 via Wi-Fi direct communication when the information using the QWERTY keyboard is input after the tethering setting in the smart key device 100, S106); (d) receiving (S107) information transmitted from the smart key device (100) through the Wi-Fi direct 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 (S108 to S110).

In the smart key system control method using the QWERTY keyboard configured as described above, when a tethering on / off switch is input (assuming initial input) in step S101, do.

If the smart key designation head unit is found as a result of searching for the head unit, in step S102, the user or the user who has confirmed the request is requested to input the personal identification number (PIN) of the head unit. Enter the unit's personal identification number.

In step S103, the smart key device 100 checks whether the personal identification number of the requested head unit is input. If the personal identification number of the requested head unit is input as a result of the check, the process proceeds to step S104, When the authentication is performed, tethering with the head unit is set.

After the head unit and tethering settings are made, in step S105, it is confirmed whether information is input through the input unit 120. When the information is input through the input unit 120, Converts it into a pie direct communication signal, and transmits it to the head unit.

In step S107, the head unit receives the information transmitted from the smart key device 100, and executes the command using the information received in step S108 as a command. 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 S109, the received route guidance path is displayed on the display unit. 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.

If the tethering function is to be terminated while performing the tethering function, the driver or passenger operates the tethering on / off switch provided in the tethering switch unit 110 in step S110. Then, the tethering switch unit 110 generates a tethering off signal (a signal opposite to the previous tethering signal), and when the tethering off signal is transmitted, the controller 130 controls the transmitting unit 150, The setting is canceled.

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: tethering switch part
120: input unit 130:
150: transmitting unit 200: head unit
210: Receiver 220:
230:

Claims (4)

A smart key device for performing tethering via a Wi-Fi direct communication with a head unit mounted on a vehicle, and wirelessly transmitting information input through the QWERTY keyboard to the head unit;
And a head unit for wirelessly communicating with the smart key device via the Wi-Fi direct communication and outputting guidance information according to input information wirelessly transmitted from the smart key device. Smart key system.
The smart key device of claim 1, wherein the smart key device comprises: a tethering switch for selecting an on / off operation of a tethering function;
A QWERTY keyboard, comprising: an input for inputting information;
When the tethering function is requested by the tethering switch unit, the tethering function is set to be wirelessly connected to the head unit to control the setting of the tethering function, and after inputting the information inputted through the input unit, A control unit for controlling transmission to the unit;
And a transmitting unit for establishing a tethering function by connecting to the head unit through Wi-Fi direct communication under the control of the controller and transmitting information generated by the controller to the head unit. Key system.
The mobile communication terminal of claim 1, wherein the head unit comprises: a receiving unit connected to the smart key device via the Wi-Fi direct communication and receiving data transmitted from the smart key device;
A control unit for authenticating the smart key device based on the data received by the receiving unit and controlling display of the route guidance 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 tethering switch is input in a smart key device, searching for a head unit;
(b) setting tethering with the head unit when a personal identification number of the head unit searched by the smart key device is input;
(c) transmitting the input information to the head unit via Wi-Fi direct communication when the information using the QWERTY keyboard is input after the tethering setting in the smart key device;
(d) receiving information transmitted over the Wi-Fi direct communication from the smart key device at 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.

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