KR100821092B1 - Cover for keypad of touch screen and method for applying the cover in mobile terminal - Google Patents

Abstract

A mobile terminal combined with a keypad-only cover and an application method of the cover in the mobile terminal are provided to change shape and positions of a keypad realized as a touch screen of the terminal according to various circumstances, thereby offering a suitable application by perceiving a type of the keypad-only cover. When protruded parts are inserted, bars consisting of plural switches of a connector(140) are pressed according to the number of size of the protruded parts. When a keypad-only cover(200) is inserted into the connector, a controller of a mobile terminal(100) decides on a type of the cover by sensing the number of switches pressed by the protruded parts, and drives an application in accordance with the type of the cover. A touch panel(110) displays a touch screen(120) corresponding to the application.

Description

COVER FOR KEYPAD OF TOUCH SCREEN AND METHOD FOR APPLYING THE COVER IN MOBILE TERMINAL}

The present invention relates to a mobile terminal combined with a keypad-specific cover, and more particularly, a mobile terminal combined with a keypad-specific cover for inputting each button of a keypad implemented as a touch screen so as not to overlap with other buttons. A terminal and a method of applying a cover in a mobile terminal thereof.

Recently, various kinds of terminals having a telephone function and an image display function such as a mobile phone, an Internet phone, a PDA phone, etc. are widely used, and beyond the function as a simple phone, online / offline games, e-mail, text service, stock management, Various functions and services such as schedule management and financial settlement are additionally provided.

Various functions and services provided to these terminals contribute to the convenience and time management and the improvement of quality of life for the users, and to be promoted in the direction of more and more various services applied and quantitatively and qualitatively developing. It is expected to be.

Such a terminal necessarily has a keypad for using various functions and services to be provided, and the arrangement and position of the character input environment setting information corresponding to the keypad are set in advance at the time of manufacture of the communication terminal.

On the other hand, as part of solving the problems of the existing keypad in recent years, a touch screen equipped terminal that can input a variety of information through the display panel of the mobile communication terminal, that is, the sensing sensor implemented on the LCD has been released, such as In the case of a touch panel equipped terminal, there is an additional problem in that the perception of the senses decreases due to the flat structure without elasticity, and the display panel may be easily contaminated due to fingerprints.

In general, a touch screen or a touch panel is one of several ways in which a user communicates with an information communication device employing various displays, and the user does not have an additional peripheral device such as a keyboard or a mouse. It is an input device that can interface with the device by directly touching the screen with a pen). Such touch screens are classified into electrostatic method, resistive film method, ultrasonic method, electric field method, and infrared method.

According to the operation principle of the touch panel, a pressure-sensitive touch panel that coordinates the position through a sensor that responds to pressure applied to the screen surface, and charges (flow of current) to the screen surface and puts the sensor around the touch panel. There is a capacitive touch panel that detects lost information of time charges and finds contact points.

Such a touch panel is particularly used as a basic component in PDAs (Personal Digital Assistants), and is recently used in mobile communication terminals.

However, the keypad that is implemented with a general touch screen has the advantage that it can be provided by changing the shape and position of the keypad depending on the situation, but since it is less pressed and has a high probability of malfunction, it is as fast as typing a text message. There has been a problem that the user is inconvenient in a situation where an input is required.

The present invention has been made in view of the above-described circumstances, and an object of the present invention is implemented as a touch screen in a mobile phone such as a cellular phone, a PDA, and the like when inputting each button of a key pad placed on one plane. The present invention provides a mobile terminal coupled with a keypad-specific cover for avoiding overlapping input, and a method of applying the cover in the mobile terminal.

The present invention has been made in view of the above-described circumstances, and another object of the present invention is a key pad implemented as a touch screen of a mobile terminal, so the keypad may be provided by changing the shape and position of the keypad according to circumstances. The present invention provides a mobile terminal coupled with a keypad-specific cover and a method of applying the cover in the mobile terminal to provide a suitable application.

The present invention has been made in view of the above circumstances, and another object of the present invention is to implement a three-dimensional keypad on a touch screen to reduce malfunctions even in a situation where a quick input is required, such as when inputting a text message. The present invention provides a mobile terminal combined with a keypad-specific cover and a method of applying the cover in the mobile terminal.

Mobile terminal coupled with the keypad dedicated cover according to the first aspect of the present invention for achieving the above object,

Individual buttons are distinguished by grooves having a predetermined depth, and a connection part configured to be inserted into a keypad-only cover having at least one protrusion that can be inserted into a predetermined position of the mobile terminal at one end thereof;

A controller for detecting the protrusion to determine the type of the keypad-specific cover and to drive an application according to the type of the keypad-specific cover; And

It includes a touch panel for displaying a touch screen corresponding to the application.

Preferably, the keypad-specific cover is an upper layer protruding to be pressurized by separating each button; And a lower layer protruding downward from a boundary surface of the buttons of the touch screen such that the pressure corresponding to each of the buttons of the upper layer is not transmitted.

In addition, the keypad only cover is formed of a transparent synthetic resin.

More preferably, the controller determines the type of the keypad-specific cover according to at least one of the number and size of the protrusions.

Application method of the keypad applying cover of the touch screen in the mobile terminal according to the second aspect of the present invention for achieving the above object,

 a) recognizing a keypad only cover on the touch screen of the mobile terminal;

b) recognizing a type of the keypad only cover by sensing a predetermined position of the keypad only cover; And

c) displaying the touch screen according to the type of the keypad only cover.

Preferably, the protrusion may be formed at the predetermined position to recognize the type of the keypad-specific cover by at least one of the number and size of the protrusion.

More preferably, the keypad-only cover is characterized in that it is divided into another type of keypad-only cover when at least one of the size, arrangement, and type of the key button is different.

The type of the keypad only cover is determined by the manufacturer of the mobile terminal.

As described above in detail, according to the mobile terminal coupled to the keypad-specific cover of the present invention and the method of applying the cover in the mobile terminal, the type of the keypad-specific cover to determine the appropriate application, that is, the shape and The effect is that the location can be changed.

In addition, by implementing a three-dimensional keypad on the touch screen of the mobile terminal there is an advantage that can be reduced even in a situation that requires fast input, such as when entering a text message.

Hereinafter, with reference to the accompanying drawings will be described a preferred embodiment of the present invention.

1 is a view illustrating an appearance of a mobile terminal having a touch screen implemented to wear a keypad-only cover according to an embodiment of the present invention, and FIG. 2 is a view of a keypad-only cover according to an embodiment of the present invention. An example is shown. 3 is a view illustrating an example of a touch screen according to a type of a keypad-only cover according to an embodiment of the present invention.

Referring to FIG. 1, the mobile terminal 100 includes a touch panel 110, a touch screen 120 implemented on the touch panel 110, and a connection unit 140 for inserting protrusions of the keypad-only cover 200. It is configured to include).

The connecting portion 140 is configured to be inserted into the protrusion of the keypad-only cover 200, and when the protrusion is inserted, the bar composed of a plurality of switches is configured to be pressed according to the size and number of protrusions.

When the keypad only cover 200 is inserted into the connection unit 140, the controller of the mobile terminal 100 detects the number of switches pressed by the protrusions to determine the type of the keypad only cover. The application is driven according to the type of the keypad only cover.

The touch panel 110 displays a touch screen 120 corresponding to the application.

Referring to FIG. 2, the keypad-specific cover 200 is described. The keypad-specific cover 200 includes at least one protrusion 210 and 220, an upper layer 230, and a lower layer 240. In this case, the keypad only cover 200 is formed of a transparent synthetic resin so that the touch screen 120 of the mobile terminal 100 can be seen through the keypad only cover 200.

The keypad-only cover 200 is provided on the boundary surface of the buttons of the touch screen so that the pressing corresponding to each of the buttons of the upper layer portion 230 and the upper layer portion 230 and the upper layer portion 230 protrudes to be pressed separately for each button. It is configured to include a lower protruding lower portion 240.

The protrusions 210 and 220 may have a bar shape and may include a plurality of bars of a base unit, or may be formed by mixing a bar having a multiple length of the base unit and a bar of the base unit, and having a bar shape size and number. Combination can be configured in various ways.

According to the size and number of the protrusions 210 and 220 described above, the degree of pressing of the switches implemented in the connection unit 140 of the mobile terminal 100 is different, and how many switches are pressed in the mobile terminal 100. ) May determine the type of the keypad only cover 200.

Therefore, referring to FIG. 3, when the keypad 200 cover is inserted into the mobile terminal 100, the touch panel of the keypad 330 is detected by detecting the protrusion of the keypad 200 cover 200. Display on.

In addition, when the keypad 200 cover only the 200 is inserted into the mobile terminal 100 detects the protrusion of the keypad 200 cover 200 and displays the touch screen 370 on the touch panel.

The operating state of the present invention configured as described above will be described in more detail.

4 is a flowchart illustrating a method of applying a keypad-only cover in a mobile terminal according to an embodiment of the present invention.

The protrusion of the keypad dedicated cover is inserted into the connection portion provided on the touch screen of the mobile terminal so that the keypad only cover is recognized by the mobile terminal (S410).

The predetermined position of the keypad-only cover, that is, the protrusion is sensed, and the state of the switch provided in the connection unit of the mobile terminal is pressed to recognize the type of the keypad-only cover (S420).

In other words, the keypad-only cover is divided into different types when at least one of the size, arrangement, and type of the key buttons is different. The type of the keypad only cover is determined by the manufacturer of the mobile terminal.

The touch screen different according to the type of the keypad only cover is displayed (S430). The keypad only cover is formed of a transparent synthetic resin so that the user can easily select a key button even when the keypad only cover is covered on the touch screen of the mobile terminal.

Although the present invention has been described in detail with reference to preferred embodiments, the present invention is not limited to the above-described embodiments, and the technical field to which the present invention belongs without departing from the gist of the present invention as claimed in the following claims. Anyone skilled in the art will have the technical idea of the present invention to the extent that various modifications or changes are possible.

According to the mobile terminal coupled to the keypad-specific cover of the present invention and the method of applying the cover in the mobile terminal, it is possible to grasp the type of the keypad-specific cover and to change the shape and position of the application, that is, the keypad suitable for it. In addition, by implementing a three-dimensional keypad on the touch screen of the mobile terminal, it is possible to reduce malfunctions even when a quick input is required, such as when entering a text message, thereby applying a relatively small touch screen to the mobile terminal. The advantage is that it can promote.

FIG. 1 illustrates an appearance of a mobile terminal having a touch screen implemented to wear a keypad-specific cover according to an embodiment of the present invention.

2 illustrates an example of a keypad-only cover according to an embodiment of the present invention.

3 is a diagram illustrating an example of a touch screen according to a kind of keypad-only cover according to an embodiment of the present invention.

4 is a flowchart illustrating a method of applying a keypad-only cover in a mobile terminal according to an embodiment of the present invention.

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

100: mobile terminal

110: touch panel

120: touch screen

140: connection

200: key pad cover

210, 220: protrusions

230: top layer

340: lower layer

Claims (9)

Individual buttons are distinguished by grooves having a predetermined depth, and a connection part configured to be inserted into a keypad-only cover having at least one protrusion that can be inserted into a predetermined position of the mobile terminal at one end thereof; A controller for detecting the protrusion to determine the type of the keypad-specific cover and to drive an application according to the type of the keypad-specific cover; And And a touch panel for displaying a touch screen corresponding to the application. The method of claim 1, wherein the keypad only cover, An upper layer portion protruding to be pressurized by being divided into buttons; And And a lower layer protruding downward from a boundary surface of the buttons of the touch screen so that the pressure corresponding to each of the buttons of the upper layer is not transmitted. The method of claim 2, wherein the keypad only cover, A mobile terminal combined with a keypad-specific cover, characterized in that formed of a transparent synthetic resin. The method according to any one of claims 1 to 3, wherein the control unit, And a type of the keypad-only cover according to at least one of the number and size of the protrusions. a) recognizing a keypad only cover on the touch screen of the mobile terminal; b) recognizing a type of the keypad-specific cover by sensing a predetermined position of the keypad-specific cover; And and c) displaying the touch screen according to the type of the key pad-specific cover. The method of claim 5, wherein in step b), And forming a protrusion at the predetermined position to recognize the type of the keypad-specific cover by at least one of the number and size of the protrusions. The method of claim 5, wherein in step c) The keypad only cover is divided into different types when at least one of the size, arrangement, and type of the key button is different, the method of applying a keypad applied cover of the touch screen in a mobile terminal. The type of the keypad-only cover according to claim 6 or 7, The method of applying a keypad applying cover of the touch screen in a mobile terminal, characterized in that determined by the manufacturer of the mobile terminal. The method of claim 8, wherein the keypad only cover, A method of applying a keypad applying cover of a touch screen in a mobile terminal, characterized in that formed of a transparent synthetic resin.

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