KR20140073973A - Data input methods for a mobile terminal and mobile terminal - Google Patents

Data input methods for a mobile terminal and mobile terminal Download PDF

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Publication number
KR20140073973A
KR20140073973A KR1020120142050A KR20120142050A KR20140073973A KR 20140073973 A KR20140073973 A KR 20140073973A KR 1020120142050 A KR1020120142050 A KR 1020120142050A KR 20120142050 A KR20120142050 A KR 20120142050A KR 20140073973 A KR20140073973 A KR 20140073973A
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fingerprint
size
change
event
determining
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KR1020120142050A
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Korean (ko)
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김성일
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주식회사 케이티
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1633—Constructional details or arrangements of portable computers not specific to the type of enclosures covered by groups G06F1/1615 - G06F1/1626
    • G06F1/1684—Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/30—Authentication, i.e. establishing the identity or authorisation of security principals
    • G06F21/31—User authentication
    • G06F21/32—User authentication using biometric data, e.g. fingerprints, iris scans or voiceprints
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
    • G06F21/70—Protecting specific internal or peripheral components, in which the protection of a component leads to protection of the entire computer
    • G06F21/82—Protecting input, output or interconnection devices
    • G06F21/83—Protecting input, output or interconnection devices input devices, e.g. keyboards, mice or controllers thereof
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer

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  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Hardware Design (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Human Computer Interaction (AREA)
  • Software Systems (AREA)
  • Telephone Function (AREA)

Abstract

According to an aspect of the present invention, there is provided a method of inputting data in a mobile terminal, comprising: recognizing a fingerprint of a user; Determining a type of an event on the basis of horizontal movement and size change of the recognized fingerprint; And controlling an operation corresponding to the type of the determined event.
According to another aspect of the present invention, there is provided a portable terminal including a recognition unit for recognizing a fingerprint of a user; A determination unit for determining a type of an event on the basis of horizontal movement and size change of the recognized fingerprint; And a controller for controlling an operation corresponding to the type of the determined event.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a data input method for a mobile terminal,

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method of inputting data in a portable terminal and a portable terminal, and more particularly, to a method of inputting data to a portable terminal by recognizing movement of a user fingerprint and a portable terminal.

Recently, with the rapid development of information technology and various infrastructure, people can obtain desired data anytime and anywhere by using a portable terminal such as a smart phone, a notebook, and a personal digital assistant (PDA). These portable terminals use the keypad input method, but recently, the touch screen input method is mainly adopted as the development of the touch screen technology.

Particularly, a smartphone, which is a mobile communication terminal carried by people, is mainly used with a full touch screen method.

Generally, the portable terminal provides a password (password) setting and release function to prevent unauthorized use of others. Accordingly, the user sets the password using the numeric keys and the function keys on the terminal. When the user sets the password, the user has to input the password every time when the portable terminal is used, If the set password is forgotten, it is troublesome to find out the password through the troublesome process, so that the password setting is very burdensome.

Most of the users do not set a password on the portable terminal because of the hassle and burden of the user, so that it is impossible to prevent the unauthorized use of the portable terminal by the other person. If the portable terminal is lost, There is a problem that it can cause serious damage due to leakage of personal information.

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above problems, and it is an object of the present invention to provide a method of inputting data in a portable terminal in which only a user himself / herself can input data, It has its purpose.

Other objects and advantages of the present invention will become apparent from the following description, and it will be understood by those skilled in the art that the present invention is not limited thereto. It will also be readily apparent that the objects and advantages of the invention may be realized and attained by means of the instrumentalities and combinations particularly pointed out in the appended claims.

According to an aspect of the present invention, there is provided a method of inputting data in a mobile terminal,

Recognizing the fingerprint of the user; Determining a type of an event on the basis of horizontal movement and size change of the recognized fingerprint; And controlling an operation corresponding to the type of the determined event.

In the step of determining the kind of the event, the horizontal movement can be analyzed using a median of a bounding box in which the recognized fingerprint is in contact.

In addition, the step of determining the type of the event may include analyzing a size change of the fingerprint using the size change of the bounding box.

Preferably, the step of determining the kind of the event may include determining whether the detected fingerprint is a short press or a long press when there is only a change in size without horizontal movement of the recognized fingerprint.

In the step of determining the kind of the event, when the change value of the fingerprint size during a specific time period is smaller than the threshold value, it can be determined that the event is a long press.

In addition, the step of determining the type of the event may be a short press if the change value of the fingerprint size during a specific time is smaller than the threshold value.

Preferably, the step of determining the type of the event may include determining whether the recognized fingerprint is one of scroll or fling when the horizontal movement and size change of the recognized fingerprint are simultaneously present.

The step of determining the type of the event can be determined by scrolling when the change value of the fingerprint size is smaller than the threshold value while the fingerprint moves horizontally.

The step of determining the type of the event may be determined as fling when the change value of the fingerprint size is larger than the threshold value while the fingerprint moves horizontally.

Alternatively, prior to the step of determining the type of the event, storing the fingerprint for authentication; And authenticating the user by comparing the recognized fingerprint with the authentication fingerprint.

Preferably, if the user authentication result information matches, the authenticating step may release the lock.

According to another aspect of the present invention, there is provided a portable terminal for inputting data by recognizing movement of a fingerprint,

A recognition unit for recognizing the fingerprint of the user; A determination unit for determining a type of an event based on a horizontal movement and size change of the recognized fingerprint; And a controller for controlling an operation corresponding to the type of the determined event.

The determination unit may analyze horizontal movement using a median of a bounding box in which the recognized fingerprint is in contact.

In addition, the determination unit may analyze a size change of the fingerprint using a change in the size of the bounding box.

Preferably, the determining unit may determine whether the recognized fingerprint is a short press or a long press when there is only a change in size without horizontal movement of the recognized fingerprint.

If the change value of the fingerprint size during a specific time period is smaller than the threshold value, the determination unit may determine that the fingerprint is long press.

In addition, the determination unit may determine that the fingerprint size change for a specific time period is shorter than a threshold value (Short Press).

Preferably, the determination unit may determine whether the recognized fingerprint is one of scroll or fling when the horizontal movement and size change of the recognized fingerprint are simultaneously present.

The determining unit may determine that the scroll is performed when the change value of the fingerprint size is smaller than the threshold value while the fingerprint is moving in the horizontal direction.

In addition, the determination unit may determine that the fingerprint is fling when the change value of the fingerprint size is larger than the threshold value while the fingerprint is moving in the horizontal direction.

Alternatively, a storage unit for storing a fingerprint for authentication; And an authentication unit comparing the recognized fingerprint with the authentication fingerprint to authenticate the user.

Preferably, when the user authentication result information matches, the authentication unit may release the lock.

According to an aspect of the present invention, a data input is provided to a portable terminal based on a fingerprint movement of a user, so that unlocking can not be performed if a stored user's fingerprint does not match a recognized user's fingerprint.

Accordingly, even if the portable terminal is lost, data can not be input when the user is not the user, so that the user can not use the portable terminal.

BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are incorporated in and constitute a part of the specification, illustrate exemplary embodiments of the invention and, together with the specific details for carrying out the invention, And shall not be construed as limited to the matters described.
1 is a block diagram of a mobile terminal for inputting data based on fingerprint movement recognition in a mobile terminal according to an embodiment of the present invention;
FIG. 2 is a view showing recognized fingerprints in a portable terminal according to an embodiment of the present invention; FIG.
3 is a diagram illustrating a horizontal movement of a fingerprint in a portable terminal according to an embodiment of the present invention,
FIG. 4 is a view illustrating a size change of a fingerprint in a mobile terminal according to an embodiment of the present invention;
5 is a flowchart illustrating a method of inputting data through fingerprint movement in a mobile terminal according to an exemplary embodiment of the present invention.
6 is a diagram illustrating a configuration of a portable terminal for inputting data based on fingerprint movement recognition in a portable terminal according to another embodiment of the present invention;
7 is a flowchart illustrating a method of inputting data through a fingerprint movement in a mobile terminal according to another embodiment of the present invention.

The foregoing and other objects, features and advantages of the present invention will become more apparent from the following detailed description of the present invention when taken in conjunction with the accompanying drawings, in which: There will be. In the following description, well-known functions or constructions are not described in detail since they would obscure the invention in unnecessary detail. Hereinafter, a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

Throughout the specification, when an element is referred to as "comprising ", it means that it can include other elements as well, without excluding other elements unless specifically stated otherwise. Also, the term "part" or the like, as described in the specification, means a unit for processing at least one function or operation, and may be implemented by hardware, software, or a combination of hardware and software.

FIG. 1 is a block diagram of a portable terminal for inputting data based on fingerprint movement recognition according to an exemplary embodiment of the present invention. Referring to FIG.

Referring to FIG. 1, a mobile terminal 100 according to an exemplary embodiment of the present invention may include a recognition unit 110, a determination unit 120, and a control unit 130.

The recognition unit 110 includes a touch screen and a fingerprint recognition sensor, and recognizes the fingerprint placed on the touch screen through the fingerprint recognition sensor. The fingerprint recognition sensor may be, for example, an optical fingerprint recognition sensor or a semiconductor type fingerprint recognition sensor. The optical fingerprint sensor uses a prism, a reflector, and an optical sensor. When the fingerprint area of the finger is brought into contact with the fingerprint of the prism, the light of the light source is reflected and absorbed by the fingerprints of the fingerprint. The image of the fingerprint is input by being incident on the lens, and the light image formed on the lens is photographed by a CCD (Charge Coulped Device) camera. In some cases, CMOS (Complementary Metal Oxide-Semiconductor) image sensors are used instead of CCD cameras. Semiconductor fingerprint sensors use the electrical conduction characteristics of the skin to read the specific shape of the fingerprints touching the chip surface by electrical signals when a finger touches the surface of the silicon chip. However, the present invention is not limited thereto.

The determination unit 120 analyzes the movement of the fingerprint of the user recognized by the recognition unit 110 to determine an event of data input. That is, the determination unit 120 determines the type of the event based on the movement of the user's fingerprint in the horizontal direction or the change in the size of the fingerprint.

The control unit 130 receives the information of the event determined by the determination unit 120 from the determination unit 120 and controls the operation corresponding to the delivered event.

A method of analyzing the movement of a user's fingerprint in the determination unit 120 will be described with reference to FIG. 2 to FIG.

Referring to FIG. 2, the determination unit 120 determines whether or not the fingerprint of the user, which is recognized by the recognition unit 110, is included in the fingerprint of the portable terminal according to an exemplary embodiment of the present invention. (Bounding Box) 200 including all of the coordinate values of the fingerprint image, and then analyzes the movement of the fingerprint in the horizontal direction based on the median value C of the rectangular area. That is, the median value C of the bounding box 200 in which the fingerprint recognized by the recognition unit 110 is in contact is used as a criterion for analyzing the horizontal movement of the fingerprint. In this case, the median value (C)

Figure pat00001
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The horizontal movement of the fingerprint can be expressed as the movement of the user fingerprint on the screen, the movement distance of the fingerprint, and the movement speed of the fingerprint.

FIG. 3 is a diagram illustrating horizontal movement of a fingerprint in a portable terminal according to an exemplary embodiment of the present invention. Referring to FIG. 3, a user places a finger on a screen, So that the fingerprint image is moved by distance X or distance Y, as shown in Fig. The determination unit 120 calculates the movement distance and the movement speed using the coordinates of the median value C of the fingerprint recognized by the recognition unit 110. [ The moving distance is a distance between coordinates of a median before and after the moving, and the moving speed is a value obtained by dividing the moving distance by the moving time.

4 (a) and 4 (b) illustrate a fingerprint size change in a portable terminal according to an exemplary embodiment of the present invention. FIG. 4 (a) +1 Represents a user's fingerprint in an image frame. The change in the size of the fingerprint can be expressed as a Z value when the screen is viewed in X and Y planes. That is, when the size of the fingerprint increases, the Z value has a positive value. On the contrary, when the size of the fingerprint decreases, the Z value can be expressed as having a negative value.

The finger movement of the user can be analyzed through the change of the size of the fingerprint. That is, when the size of the fingerprint is large, the determination unit 120 determines that the user is pressing the screen with the finger, and may determine that the user is holding the finger on the screen when the size of the fingerprint is small.

Preferably, the determination unit 120 may use the size of the bounding box 200 in which the fingerprint is in contact as the size of the fingerprint.

On the other hand, the determination unit 120 determines the type of the event on the basis of the horizontal movement of the fingerprint described with reference to FIG. 3 and the size change of the fingerprint described with reference to FIG. The type of the event may be divided into Down, Short Press, Long Press, Scroll, and Fling. At this time, a short press, a long press, a scroll, and a fling occur in a state where a down event is assumed, so a down event will be described first.

down( Down )

The down event is an event that the user has pressed a specific area of the screen. When the fingerprint of the user is recognized and the size of the fingerprint increases, the determination unit 120 determines that a down event has occurred. That is, there is no change in the X and Y coordinate values at the center of the fingerprint, and the value of the Z value has a positive value.

Short press ( Short Press )

The determination unit 120 determines that the user is a short press event when there is no horizontal movement of the user's fingerprint and the change value of the fingerprint size is smaller than the threshold value for a predetermined time after the occurrence of the down event. Here, the threshold value is a relative setting value for measuring the size change of the recognized fingerprint. That is, for example, when the threshold value of Z is 2 and the changed value of the fingerprint size after generation of the down event, that is, Z is 3, the determination unit 120 determines to press briefly as a data input event of the user.

Long press ( Long Press )

The determination unit 12 determines that the event is a long press event when there is no horizontal movement of the user's fingerprint and the change value of the fingerprint size is smaller than the threshold value for a predetermined time after the occurrence of the down event. Here, the threshold value is a relative setting value for measuring the size change of the recognized fingerprint. That is, for example, when the threshold value of Z is 2 and the changed value of the fingerprint size after generation of the down event, that is, Z is 1, the determination unit 12 determines to press for a long time as a data input event of the user .

At this time, the threshold values of the short press and the long press may be equal to each other.

In short, if the change in the fingerprint size is not greater than the threshold value, the fingerprint sensor determines whether the fingerprint is moved for a short period of time after the occurrence of the down event, and if not, for a long period of time. Here, it is a certain period of time after a down event occurs for a certain period of time after the occurrence of a down event and the size of the fingerprint reaches a peak. Or may be a time from when the down event occurs to the time when the finger is released from the screen, that is, until the fingerprint disappears, after the fingerprint reaches the peak point for a certain time after the occurrence of the down event. In this case The change value may be a change value of the fingerprint size per hour. The fingerprint size changes in a short time in the case of a short press and the fingerprint size changes in a relatively long time in the case of a long press, so that it is possible to distinguish between a short press and a long press based on the change of the fingerprint size per hour .

scroll( Scroll )

The determination unit 120 determines that the event is a scroll event when the user's fingerprint moves horizontally after the occurrence of the down event and at the same time the change value of the fingerprint size is smaller than the threshold value. That is, when the threshold value of Z is 2 and the X and Y coordinates of the median value of the fingerprint are changed after the down event, and the change value of the fingerprint size is decreased, that is, Z is 1, the determination unit 120 determines It is judged as scrolling as an event. In the case of scrolling, the user moves the screen at a constant speed while pressing the screen with a finger, and there is little change in the size of the fingerprint after the down event occurs.

Fling ( Fling )

An event where the user fingers the screen slightly on the screen. For example, when the screen is turned sideways, the screen jumps sideways at a high speed when a fling event occurs.

The determination unit 120 determines that the event is a fling event when there is horizontal movement of the fingerprint of the user after the occurrence of the down event and at the same time the change value of the fingerprint size is smaller than the threshold value. That is, when the threshold value of Z is 2, and the X and Y coordinates of the median value of the fingerprint are changed after the occurrence of the down event and the change value of the fingerprint size is decreased at the same time, that is, Z is 5, It is judged as a fling as an event. As described above, since the fling is an event in which the finger tip is flicked, the size of the fingerprint changes for a certain period of time after the occurrence of the down event.

At this time, the scrolling and flipping thresholds may be equal to each other. In addition, the change value of the fingerprint size is described by comparing with the threshold value when judging the scrolling and fling event, but the change value here may be a change value per hour or a total change amount.

5 is a flowchart illustrating a method of inputting data through fingerprint movement in a mobile terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 5, the portable terminal 100 recognizes a fingerprint of a user placed on the touch screen using a fingerprint recognition sensor (S500). Fingerprint recognition is continuously recognized at regular time intervals when the user's finger is placed on the touch screen. Preferably, the recognized fingerprint may be an image.

The fingerprint recognition sensor may be, for example, an optical fingerprint recognition sensor or a semiconductor type fingerprint recognition sensor.

When an optical fingerprint sensor touches the fingerprint area of the prism fingerprint, the light of the light source is reflected and absorbed from the ridges and ridges of the fingerprint, and the reflected light is incident on the prism to form an image on the lens. The light is input to the CCD (Charge Coupled Device) and the image of the fingerprint is input. In some cases, a CMOS (Complementary Metal-Oxide-Semiconductor) may be used instead of a CCD. Semiconductor fingerprint sensors use the electrical conduction characteristics of the skin to read the specific shape of the fingerprints touching the chip surface by electrical signals when a finger touches the surface of the silicon chip. However, the present invention is not limited to this.

When the user's fingerprint is recognized, the mobile terminal 100 determines the type of the event based on the horizontal movement of the recognized fingerprint and the size of the fingerprint (S510). Events can be divided into Down, Short Press, Long Press, Scroll, and Fling. At this time, as described with reference to FIG. 2, the portable terminal 100 sets a bounding box 200 including all the coordinate values of the pixels constituting the recognized fingerprint of the user, Is used as a criterion for analyzing the movement of the fingerprint in the horizontal direction. That is, the median value C of the bounding box 200 in which the fingerprint is in contact is used as a criterion for analyzing the horizontal movement of the fingerprint.

Specifically, the mobile terminal 100 determines whether the fingerprint is moved horizontally for a certain period of time after the occurrence of the down event, and if the amount of change of the fingerprint is smaller than the threshold value, Here, it is a certain period of time after a down event occurs for a certain period of time after the occurrence of a down event and the size of the fingerprint reaches a peak. Or a time period after the occurrence of the down event until the user releases the finger on the screen after the occurrence of the down event and the size of the fingerprint reaches the peak, that is, the time until the fingerprint disappears, The amount of change may be the amount of change per hour of fingerprint size.

The mobile terminal 100 determines that the scroll event is a scroll event when the user's fingerprint moves horizontally after the occurrence of the down event and the change value of the fingerprint size is smaller than the threshold value, . At this time, the threshold values of the fling and the scroll may be equal to each other. In addition, the change value of the fingerprint size is described by comparing the fingerprint size with the threshold value when determining the fling and scroll event, but the change value may be a change value per hour or a total change amount.

When the type of the event is determined, the mobile terminal 100 performs an operation according to the determined event (S520). For example, when an Internet web browser is activated and a web page is displayed, if a short press event occurs in a specific area, a connection is made to a link of the specific area. Or if a scroll event occurs while the web page is displayed, the web page is moved by the amount of scrolling.

6 is a diagram illustrating a configuration of a mobile terminal for inputting data based on fingerprint movement recognition in a mobile terminal according to another embodiment of the present invention. In Fig. 6, the same reference numerals as those in Fig. 1 denote all the functions and operations described with reference to Fig. Therefore, the description of the same functions and operations is omitted here.

Referring to FIG. 6, the portable terminal 600 according to the embodiment of the present invention further includes a storage unit 650 and an authentication unit 660 in comparison with the portable terminal 100 shown in FIG.

The storage unit 650 is a space for storing an authentication fingerprint for comparison with a user's recognized fingerprint for data input, and the authentication fingerprint is stored by the setting of the user. That is, the user can select a fingerprint registration menu through input means such as a touch screen in the portable terminal 600 configured to input data by general touch recognition, and fingerprint the fingerprint in a designated area. The fingerprints thus registered are stored in the storage unit 150 as authentication fingerprints.

When the input method of the portable terminal 600 is switched from the touch recognition to the fingerprint recognition based on the fingerprint of the user recognized by the recognition unit 110 and the authentication fingerprint stored in the storage unit 650, So that data input based on fingerprint recognition can be performed only when they are compared with each other. That is, if the recognized fingerprint matches the authentication fingerprint, the data input is unlocked, and if not, the data input is locked. The authentication unit 660 can perform fingerprint authentication every time the user touches the screen to input data.

The portable terminal 600 according to the embodiment of FIG. 6 performs the fingerprint authentication every time the user touches the screen to input data. For example, even if the password of the portable terminal 600 is leaked to a third party Since the fingerprint of the third party who inputs the password (the pattern in the pattern lock, etc.) does not match the fingerprint of the original owner, the third party can not use the portable terminal 600 even if the third party knows the password.

7 is a flowchart illustrating a method of inputting data through a fingerprint movement in a mobile terminal according to another embodiment of the present invention.

Referring to FIG. 7, the portable terminal 600 recognizes the user's fingerprint as a fingerprint recognition sensor according to a user's setting, and stores the recognized fingerprint in the storage unit 650 as an authentication fingerprint (S700).

Then, the mobile terminal 600 switches from the touch input based data input mode to the fingerprint recognition based data input mode according to the user's setting. That is, the portable terminal 600 maintains the data input lock state (S710).

After switching to the data input mode based on the fingerprint recognition, that is, the data input lock state, the portable terminal 600 recognizes the fingerprint of the user placed on the touch screen by using the fingerprint recognition sensor (S720). Fingerprint recognition is continuously recognized at regular time intervals when the user's finger is placed on the touch screen. Preferably, the recognized fingerprint may be an image.

If the user's fingerprint for data input is recognized, the portable terminal 600 first compares the recognized fingerprint with the authentication fingerprint stored in step S700 (S730). If the comparison result of the fingerprint does not match, the portable terminal 600 maintains the data input lock state (S710). If the fingerprint comparison results match, the portable terminal 600 releases the data input lock state (S740 , The horizontal movement of the recognized fingerprint, and the size of the fingerprint (S750).

Events can be divided into Down, Short Press, Long Press, Scroll, and Fling. At this time, as described with reference to FIG. 2, the portable terminal 600 sets a bounding box 200 including all the coordinate values of the pixels constituting the recognized fingerprint of the user, The coordinates of the median (C) are used as a criterion for analyzing the movement of the fingerprint in the horizontal direction. That is, the median value C of the bounding box 200 in which the fingerprint is in contact is used as a criterion for analyzing the horizontal movement of the fingerprint.

Specifically, the portable terminal 600 determines that the fingerprint is not moved horizontally for a certain period of time after the occurrence of the down event, and if the amount of change of the fingerprint size is larger than the threshold value, the finger is pressed briefly or otherwise. Here, it is a certain period of time after a down event occurs for a certain period of time after the occurrence of a down event and the size of the fingerprint reaches a peak. Or a time from when the down event occurs to the time when the fingerprint is removed from the screen after the fingerprint reaches the maximum point for a predetermined time after the occurrence of the down event, that is, until the fingerprint disappears. In this case, The amount of change may be the amount of change per hour of fingerprint size.

The mobile terminal 600 determines that the scroll event is a scroll event when the change value of the user's fingerprint in the horizontal direction and the size of the fingerprint is decreased below the threshold value after the occurrence of the down event, . At this time, the threshold values of the fling and the scroll may be equal to each other. Also, the change value in which the size of the fingerprint is reduced by comparing with the threshold value when determining the fling and scroll event has been described, but the change value here may be a change value per hour or a total change amount.

When the type of the event is determined, the portable terminal 600 performs an operation according to the determined event (S760). For example, when an Internet web browser is activated and a web page is displayed, if a short press event occurs in a specific area, a connection is made to a link of the specific area. Or if a scroll event occurs while the web page is displayed, the web page is moved by the amount of scrolling.

While the specification contains many features, such features should not be construed as limiting the scope of the invention or the scope of the claims. In addition, the features described in the individual embodiments herein may be combined and implemented in a single embodiment. On the contrary, the various features described in the singular embodiments may be individually implemented in various embodiments or properly combined.

Although the operations are described in a particular order in the figures, it should be understood that such operations are performed in a particular order as shown, or that all described operations are performed in a series of sequential orders, or to obtain the desired result. In certain circumstances, multitasking and parallel processing may be advantageous. It should also be understood that the division of various system components in the above embodiments does not require such distinction in all embodiments. The above-described program components and systems can generally be implemented as a single software product or as a package in multiple software products.

The method of the present invention as described above can be implemented by a program and stored in a computer-readable recording medium (CD-ROM, RAM, ROM, floppy disk, hard disk, magneto optical disk, etc.). This process can be easily carried out by those skilled in the art to which the present invention belongs, and will not be described in detail.

While the present invention has been described in connection with what is presently considered to be practical exemplary embodiments, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It is not limited by the drawings

100: portable terminal 110:
120: determination unit 130:

Claims (22)

A method for inputting data by recognizing fingerprint movement in a portable terminal,
Recognizing the fingerprint of the user;
Determining a type of an event on the basis of horizontal movement and size change of the recognized fingerprint; And
And controlling an operation corresponding to the type of the determined event. The method according to claim 1,
The step of determining the type of the event includes:
And analyzing the horizontal movement using a median of a bounding box in which the recognized fingerprint is in contact. 3. The method of claim 2,
The step of determining the type of the event includes:
Wherein the size change of the fingerprint is analyzed by using a change in the size of the bounding box. 4. The method according to any one of claims 1 to 3,
The step of determining the type of the event includes:
And determining whether the recognized fingerprint is one of a short press or a long press when there is only a change in size without horizontal movement of the recognized fingerprint. 5. The method of claim 4,
The step of determining the type of the event includes:
When the change value of the fingerprint size during a specific time period is smaller than the threshold value, it is determined to be long press. 5. The method of claim 4,
The step of determining the type of the event includes:
When the change value of the fingerprint size for a specific time period is smaller than the threshold value, a short press is determined. 4. The method according to any one of claims 1 to 3,
The step of determining the type of the event includes:
Wherein the finger is judged to be either scroll or fling when the recognized movement of the fingerprint in the horizontal direction and size change are simultaneously present. 8. The method of claim 7,
The step of determining the type of the event includes:
Wherein the control unit determines that the scroll is performed when the change in the fingerprint size is smaller than the threshold while the fingerprint moves in the horizontal direction. 8. The method of claim 7,
The step of determining the type of the event includes:
And determining that the fingerprint is fling when the change value of the fingerprint size in the horizontal direction is smaller than the threshold value. 4. The method according to any one of claims 1 to 3,
Before the step of determining the type of the event,
Storing an authentication fingerprint; And
And authenticating the user by comparing the recognized fingerprint with the authentication fingerprint. 11. The method of claim 10,
And when the user authentication result information matches, releasing the lock. 1. A portable terminal for inputting data by recognizing movement of a fingerprint,
A recognition unit for recognizing the fingerprint of the user;
A determination unit for determining a type of an event based on a horizontal movement and size change of the recognized fingerprint; And
And a controller for controlling an operation corresponding to the type of the determined event. 13. The method of claim 12,
Wherein,
Wherein the analyzing unit analyzes the horizontal movement using a median of a bounding box in which the recognized fingerprint is in contact. 14. The method of claim 13,
Wherein,
Wherein the size change of the fingerprint is analyzed by using a change in the size of the rectangle (Bounding Box). 15. The method according to any one of claims 12 to 14,
Wherein,
And determining whether the recognized fingerprint is one of a short press or a long press when there is only a change in size without horizontal movement of the recognized fingerprint. 16. The method of claim 15,
Wherein,
When the change value of the fingerprint size for a specific time period is smaller than the threshold value, it is determined to be long press. 16. The method of claim 15,
Wherein,
When the change value of the fingerprint size for a specific time period is smaller than the threshold value, a short press is determined. 15. The method according to any one of claims 12 to 14,
Wherein,
Wherein the finger is determined to be either scroll or fling when the recognized movement of the fingerprint in the horizontal direction and size change are simultaneously present. 19. The method of claim 18,
Wherein,
Wherein the controller determines that the scroll is to be performed when the change in the fingerprint size in the horizontal direction is smaller than the threshold value. 19. The method of claim 18,
Wherein,
Wherein the finger is judged to be fling when the change value of the fingerprint size in the horizontal direction is smaller than the threshold value. 15. The method according to any one of claims 12 to 14,
A storage unit for storing authentication fingerprints; And
And an authentication unit for comparing the recognized fingerprint with the authentication fingerprint to authenticate the user. 22. The method of claim 21,
And releases the lock when the user authentication result and the information match.
KR1020120142050A 2012-12-07 2012-12-07 Data input methods for a mobile terminal and mobile terminal KR20140073973A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106557153A (en) * 2015-09-28 2017-04-05 宇龙计算机通信科技(深圳)有限公司 control method, device and mobile terminal

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106557153A (en) * 2015-09-28 2017-04-05 宇龙计算机通信科技(深圳)有限公司 control method, device and mobile terminal
CN106557153B (en) * 2015-09-28 2020-09-11 宇龙计算机通信科技(深圳)有限公司 Control method and device and mobile terminal

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