KR102574900B1 - Mobile terminal and the control method thereof - Google Patents

Abstract

A mobile terminal is initiated. The device includes a storage unit that stores a file, and a control unit that executes the file and detects a printout printed on paper and handwriting added to the printout, and applies a handwriting image corresponding to the detected handwriting to the file to update the stored file. can include

Description

Mobile terminal and its control method {MOBILE TERMINAL AND THE CONTROL METHOD THEREOF}

The present invention relates to a mobile terminal and a control method thereof, and more particularly, to a mobile terminal for applying handwriting on a printed matter to a file and a control method thereof.

Terminals can be divided into mobile/portable terminals and stationary terminals depending on whether or not they can move. Again, the mobile terminal may be divided into a handheld terminal and a vehicle mounted terminal depending on whether the user can directly carry the mobile terminal.

Functions of mobile terminals are diversifying. For example, there are functions of data and voice communication, photographing and video recording through a camera, voice recording, music file reproduction through a speaker system, and outputting an image or video to a display unit. Some terminals have an electronic game play function added or a multimedia player function. In particular, recent mobile terminals can receive multicast signals providing visual content such as broadcasting and video or television programs.

As the functions of such terminals diversify, for example, it is a multimedia player equipped with complex functions such as taking pictures or videos, playing music or video files, playing games, and receiving broadcasts. is being implemented

In order to support and increase the functions of such a terminal, it may be considered to improve the structural part and/or the software part of the terminal.

On the other hand, the user can edit, such as addition, correction, and deletion, to a document in which a file stored in a terminal or the like has been executed. In this case, an existing file needs to be updated according to the edited document, and there may be various types of such update methods.

For example, after executing a document stored in a terminal, etc., it is output, and the user writes as necessary on the output printout, and then scans and shoots the printout with the handwriting added to create a new image file. . After that, there may be a method of storing a generated image file or a text file in which the created image file is converted, and deleting the existing file. However, according to this method, there is a problem in that the load on the process increases because a process of newly creating all existing images or texts together with the newly added handwriting is required.

In addition, there is a method of editing a document displayed on a touch screen using a stylus pen, a finger, or the like. However, this method has a problem in that the screen size is limited, and the writing speed is not only less accurate than the former method, but also the writing speed is lowered.

SUMMARY OF THE INVENTION The present invention has been made in accordance with the above-mentioned necessity, and an object of the present invention is to provide a mobile terminal and a control method thereof that update an existing file by applying only handwriting made on a printed matter to an existing file.

In order to achieve the above object, a mobile terminal according to an embodiment of the present invention detects a storage unit for storing a file, and a printout printed on a paper by executing the file and handwriting added to the printout, and the detected writing A control unit may be included to update the stored file by applying the corresponding handwriting image to the file.

In addition, a camera is further included, and the control unit photographs the printed matter with handwriting through the camera, detects the handwritten image by comparing the first image according to the execution of the file with the second image corresponding to the photographed printed matter, and A handwritten image may be applied on the first image.

Also, the file may be either a text file or an image file.

Also, the file is a text file, and the controller may update the text file by applying handwritten text, which is text converted from a handwritten image, to the text file.

In addition, the file is a first text file, and the controller can generate a third image with a handwritten image added to the first image, and update the first text file with a second text file in which the third image is converted into text. .

Also, the controller may convert the handwritten image into handwritten text according to a preset font and a preset size.

Also, a touch screen may be further included, and the controller may display a menu screen on one side of the touch screen for selecting a handwritten text into which a handwritten image is to be converted, and convert the handwritten image into one handwritten text selected on the menu screen.

Also, the controller may apply the handwriting image to the first image to correspond to the position of the handwriting on the second image.

Meanwhile, a method for controlling a mobile terminal according to an embodiment of the present invention includes the steps of storing a file, executing the file to detect a print printed on paper and handwriting added to the print, and writing corresponding to the detected handwriting. It may include updating the stored file by applying the image to the file.

According to at least one of the embodiments of the present invention, accurate and fast handwriting can be performed, and an existing file can be easily updated.

A further scope of the applicability of the present invention will become apparent from the detailed description that follows. However, since various changes and modifications within the spirit and scope of the present invention can be clearly understood by those skilled in the art, it should be understood that the detailed description and specific examples such as preferred embodiments of the present invention are given by way of example only.

1 is an example of a block diagram of a mobile terminal according to an embodiment of the present invention;
2 and 3 are examples of conceptual views of a mobile terminal viewed from different directions according to an embodiment of the present invention;
4 is an example of a flowchart of a method for controlling a mobile terminal according to an embodiment of the present invention;
5 is a diagram for schematically explaining a process of updating a file according to an embodiment of the present invention;
6 is a diagram for explaining a printout by executing a file in one embodiment of the present invention;
7 to 12 are views for explaining in detail a process of updating a file according to an embodiment of the present invention;
13 to 17 are views for explaining a file conversion process in an update according to an embodiment of the present invention;
18 to 23 are diagrams for explaining a process of applying handwritten characters to a file according to an embodiment of the present invention;
24 to 29 are diagrams for explaining a process of applying a written symbol to a file according to an embodiment of the present invention;
30 to 36 are views for explaining a process of adding or deleting handwriting according to an embodiment of the present invention.

Hereinafter, the embodiments disclosed in this specification will be described in detail with reference to the accompanying drawings, but the same or similar elements are given the same reference numerals regardless of reference numerals, and redundant description thereof will be omitted. The suffixes "module" and "unit" for components used in the following description are given or used together in consideration of ease of writing the specification, and do not have meanings or roles that are distinct from each other by themselves. In addition, in describing the embodiments disclosed in this specification, if it is determined that a detailed description of a related known technology may obscure the gist of the embodiment disclosed in this specification, the detailed description thereof will be omitted. In addition, the accompanying drawings are only for easy understanding of the embodiments disclosed in this specification, the technical idea disclosed in this specification is not limited by the accompanying drawings, and all changes included in the spirit and technical scope of the present invention , it should be understood to include equivalents or substitutes.

Terms including ordinal numbers, such as first and second, may be used to describe various components, but the components are not limited by the terms. These terms are only used for the purpose of distinguishing one component from another.

It is understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, but other elements may exist in the middle. It should be. On the other hand, when an element is referred to as “directly connected” or “directly connected” to another element, it should be understood that no other element exists in the middle.

Singular expressions include plural expressions unless the context clearly dictates otherwise.

In this application, the term "comprises" or "has" is intended to indicate that there is a feature, number, step, operation, component, part, or combination thereof described in the specification, but one or more other features or It should be understood that the presence or addition of numbers, steps, operations, components, parts, or combinations thereof is not precluded.

Mobile terminals described in this specification include mobile phones, smart phones, laptop computers, digital broadcasting terminals, personal digital assistants (PDAs), portable multimedia players (PMPs), navigation devices, and slate PCs. , tablet PC, ultrabook, wearable device (eg, watch type terminal (smartwatch), glass type terminal (smart glass), HMD (head mounted display)), etc. may be included there is.

However, those skilled in the art will readily recognize that the configuration according to the embodiment described in this specification may be applied to fixed terminals such as digital TVs, desktop computers, digital signage, etc., except when applicable only to mobile terminals. .

1 is an example of a block diagram of a mobile terminal 100 according to an embodiment of the present invention. Referring to FIG. 1, a mobile terminal 100 includes a wireless communication unit 110, an input unit 120, a sensing unit 140, an output unit 150, an interface unit 160, a memory 170, and a control unit 180. and a power supply unit 190 and the like. The components shown in FIG. 1 are not essential to implement a mobile terminal, so the mobile terminal described herein may have more or fewer components than those listed above.

More specifically, among the components, the wireless communication unit 110 is a wireless communication system between the mobile terminal 100 and a wireless communication system, between the mobile terminal 100 and other mobile terminals 100, or between the mobile terminal 100 and an external server. It may contain one or more modules that enable communication. Also, the wireless communication unit 110 may include one or more modules that connect the mobile terminal 100 to one or more networks.

The wireless communication unit 110 may include at least one of a broadcast reception module 111, a mobile communication module 112, a wireless Internet module 113, a short-distance communication module 114, and a location information module 115.

The input unit 120 includes a camera 121 or video input unit for inputting a video signal, a microphone or audio input unit for inputting an audio signal, and a user input unit 123 for receiving information from a user (eg, a touch screen). A key (touch key), a push key (mechanical key, etc.) may be included. Voice data or image data collected by the input unit 120 may be analyzed and processed as a user's control command.

The sensing unit 140 may include one or more sensors for sensing at least one of information within the mobile terminal, surrounding environment information surrounding the mobile terminal, and user information. For example, the sensing unit 140 may include a proximity sensor 141, an illumination sensor 142, a touch sensor, an acceleration sensor, a magnetic sensor, and a gravity sensor. (G-sensor), gyroscope sensor, motion sensor, RGB sensor, infrared sensor (IR sensor), finger scan sensor, ultrasonic sensor, Optical sensor (e.g., camera (see 121)), microphone (see 122), battery gauge, environmental sensor (e.g., barometer, hygrometer, thermometer, radiation detection sensor, thermal It may include at least one of a detection sensor, a gas detection sensor, etc.), a chemical sensor (eg, an electronic nose, a health care sensor, a biometric sensor, etc.). Meanwhile, the mobile terminal disclosed in this specification may combine and utilize information sensed by at least two or more of these sensors.

The output unit 150 is for generating an output related to sight, hearing, or touch, and includes at least one of a display unit 151, a sound output unit 152, a haptic module 153, and an optical output unit 154. can do. The display unit 151 may implement a touch screen by forming a mutual layer structure or integrally with the touch sensor. Such a touch screen may function as a user input unit 123 providing an input interface between the mobile terminal 100 and the user, and provide an output interface between the mobile terminal 100 and the user.

The interface unit 160 serves as a passage for various types of external devices connected to the mobile terminal 100 . The interface unit 160 includes a wired/wireless headset port, an external charger port, a wired/wireless data port, a memory card port, and a port connecting a device having an identification module. (port), an audio I/O (Input/Output) port, a video I/O (Input/Output) port, and an earphone port. In response to an external device being connected to the interface unit 160, the mobile terminal 100 may perform appropriate control related to the connected external device.

Also, the memory 170 stores data supporting various functions of the mobile terminal 100 . The memory 170 may store a plurality of application programs (application programs or applications) running in the mobile terminal 100 , data for operation of the mobile terminal 100 , and commands. At least some of these application programs may be downloaded from an external server through wireless communication. In addition, at least some of these application programs may exist on the mobile terminal 100 from the time of shipment for the basic functions of the mobile terminal 100 (for example, incoming and outgoing calls, outgoing functions, message reception and outgoing functions). Meanwhile, the application program may be stored in the memory 170, installed on the mobile terminal 100, and driven by the controller 180 to perform an operation (or function) of the mobile terminal.

The controller 180 controls general operations of the mobile terminal 100 in addition to operations related to applications. The control unit 180 may provide or process appropriate information or functions to the user by processing signals, data, information, etc. input or output through the components described above or by running an application program stored in the memory 170.

In addition, the controller 180 may control at least some of the components discussed in conjunction with FIG. 1 in order to drive an application program stored in the memory 170 . Furthermore, the controller 180 may combine and operate at least two or more of the components included in the mobile terminal 100 to drive the application program.

Under the control of the controller 180, the power supply unit 190 receives external power and internal power and supplies power to each component included in the mobile terminal 100. The power supply unit 190 includes a battery, and the battery may be a built-in battery or a replaceable battery.

At least some of the components may operate in cooperation with each other to implement an operation, control, or control method of a mobile terminal according to various embodiments described below. Also, the operation, control, or control method of the mobile terminal may be implemented on the mobile terminal by driving at least one application program stored in the memory 170 .

Hereinafter, prior to examining various embodiments implemented through the mobile terminal 100 described above, the above-listed components are examined in more detail with reference to FIG. 1 .

Looking at the wireless communication unit 110 first, the broadcast receiving module 111 of the wireless communication unit 110 receives a broadcast signal and/or broadcast-related information from an external broadcast management server through a broadcast channel. Broadcast channels may include satellite channels and terrestrial channels. Two or more broadcast receiving modules may be provided in the mobile terminal 100 to receive simultaneous broadcasting of at least two broadcast channels or to switch broadcast channels.

The mobile communication module 112 complies with technical standards or communication methods for mobile communication (eg, Global System for Mobile communication (GSM), Code Division Multi Access (CDMA), Code Division Multi Access 2000 (CDMA2000), EV- DO(Enhanced Voice-Data Optimized or Enhanced Voice-Data Only), WCDMA(Wideband CDMA), HSDPA(High Speed Downlink Packet Access), HSUPA(High Speed Uplink Packet Access), LTE(Long Term Evolution), LTE-A( Long Term Evolution-Advanced), etc.) to transmit and receive radio signals with at least one of a base station, an external terminal, and a server on a mobile communication network.

The wireless signal may include a voice call signal, a video call signal, or various types of data according to text/multimedia message transmission/reception.

The wireless Internet module 113 refers to a module for wireless Internet access, and may be built into or external to the mobile terminal 100 . The wireless Internet module 113 is configured to transmit and receive radio signals in a communication network according to wireless Internet technologies.

Wireless Internet technologies include, for example, WLAN (Wireless LAN), Wi-Fi (Wireless-Fidelity), Wi-Fi (Wireless Fidelity) Direct, DLNA (Digital Living Network Alliance), WiBro (Wireless Broadband), WiMAX (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access), HSUPA (High Speed Uplink Packet Access), LTE (Long Term Evolution), LTE-A (Long Term Evolution-Advanced), etc., wireless Internet module (113) transmits/receives data according to at least one wireless Internet technology within a range including Internet technologies not listed above.

From the viewpoint that wireless Internet access by WiBro, HSDPA, HSUPA, GSM, CDMA, WCDMA, LTE, LTE-A, etc. is made through a mobile communication network, the wireless Internet module 113 that performs wireless Internet access through a mobile communication network It may also be understood as a kind of mobile communication module 112.

The short-range communication module 114 is for short-range communication, and includes Bluetooth™, Radio Frequency Identification (RFID), Infrared Data Association (IrDA), Ultra Wideband (UWB), ZigBee, and NFC. Near Field Communication (Near Field Communication), Wi-Fi (Wireless-Fidelity), Wi-Fi Direct, and wireless USB (Wireless Universal Serial Bus) technology may be used to support short-distance communication. The short-range communication module 114 is used between the mobile terminal 100 and a wireless communication system, between the mobile terminal 100 and other mobile terminals 100, or between the mobile terminal 100 and the mobile terminal 100 through wireless area networks. Wireless communication between networks in which different mobile terminals 100 (or external servers) are located may be supported. The local area network may be a local area wireless personal area network (Wireless Personal Area Networks).

Here, the other mobile terminal 100 is a wearable device capable of exchanging (or interlocking) data with the mobile terminal 100 according to the present invention (for example, a smart watch), smart glasses (smart glasses) glass) or HMD (head mounted display). The short-range communication module 114 may detect (or recognize) a wearable device capable of communicating with the mobile terminal 100 in the vicinity of the mobile terminal 100 . Furthermore, if the detected wearable device is a device authorized to communicate with the mobile terminal 100 according to the present invention, the controller 180 transmits at least a portion of the data processed by the mobile terminal 100 through the short-range communication module 114. It can be transmitted to a wearable device through Therefore, the user of the wearable device can use the data processed by the mobile terminal 100 through the wearable device. For example, according to this, when a phone call is received in the mobile terminal 100, the user makes a phone call through the wearable device, or when a message is received in the mobile terminal 100, the user sends a message received through the wearable device. it is possible to check

The location information module 115 is a module for acquiring the location (or current location) of the mobile terminal, and representative examples thereof include a Global Positioning System (GPS) module or a Wireless Fidelity (WiFi) module. For example, when a mobile terminal utilizes a GPS module, the location of the mobile terminal can be obtained using a signal transmitted from a GPS satellite. As another example, when a mobile terminal utilizes a Wi-Fi module, the location of the mobile terminal can be obtained based on information about the Wi-Fi module and a wireless access point (AP) that transmits or receives a wireless signal. If necessary, the location information module 115 may perform any function among other modules of the wireless communication unit 110 in order to obtain data on the location of the mobile terminal in substitution or addition. The location information module 115 is a module used to obtain the location (or current location) of the mobile terminal, and is not limited to a module that directly calculates or acquires the location of the mobile terminal.

Next, the input unit 120 is for inputting video information (or signals), audio information (or signals), data, or information input from a user. For inputting video information, the mobile terminal 100 has one Alternatively, a plurality of cameras 121 may be provided. The camera 121 processes an image frame such as a still image or a moving image obtained by an image sensor in a video call mode or a photographing mode. The processed image frame may be displayed on the display unit 151 or stored in the memory 170 . Meanwhile, the plurality of cameras 121 provided in the mobile terminal 100 may be arranged to form a matrix structure, and through the cameras 121 forming the matrix structure, the mobile terminal 100 has various angles or focal points. A plurality of image information may be input. Also, the plurality of cameras 121 may be arranged in a stereo structure to obtain left and right images for realizing a stereoscopic image.

The microphone 122 processes external sound signals into electrical voice data. The processed voice data may be utilized in various ways according to the function (or application program being executed) being performed in the mobile terminal 100 . Meanwhile, various noise cancellation algorithms may be implemented in the microphone 122 to remove noise generated in the process of receiving an external sound signal.

The user input unit 123 is for receiving information from a user. When information is input through the user input unit 123, the control unit 180 can control the operation of the mobile terminal 100 to correspond to the input information. . The user input unit 123 is a mechanical input means (or a mechanical key, for example, a button located on the front, rear or side of the mobile terminal 100, a dome switch, a jog wheel, or a jog switch). etc.) and a touch input means. As an example, the touch input means consists of a virtual key, soft key, or visual key displayed on the touch screen through software processing, or is disposed on a part other than the touch screen. It may be made of a touch key. Meanwhile, the virtual key or visual key can be displayed on the touch screen while having various forms, for example, as a graphic, text, icon, video, or a combination thereof. It can be done.

Meanwhile, the sensing unit 140 senses at least one of information within the mobile terminal, surrounding environment information surrounding the mobile terminal, and user information, and generates a sensing signal corresponding thereto. Based on these sensing signals, the controller 180 may control driving or operation of the mobile terminal 100 or may process data related to applications installed in the mobile terminal 100, perform functions or operations. Representative sensors among various sensors that may be included in the sensing unit 140 will be described in more detail.

First, the proximity sensor 141 refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or an object existing nearby without mechanical contact by using the force of an electromagnetic field or infrared rays. The proximity sensor 141 may be disposed near the inner area of the mobile terminal or the touch screen surrounded by the touch screen described above.

Examples of the proximity sensor 141 include a transmission type photoelectric sensor, a direct reflection type photoelectric sensor, a mirror reflection type photoelectric sensor, a high frequency oscillation type proximity sensor, a capacitance type proximity sensor, a magnetic type proximity sensor, an infrared proximity sensor, and the like. If the touch screen is a capacitive type, the proximity sensor 141 may be configured to detect the proximity of an object with a change in electric field according to the proximity of a conductive object. In this case, the touch screen (or touch sensor) itself may be classified as a proximity sensor.

On the other hand, for convenience of description, an action of recognizing that an object is located on the touch screen by approaching the touch screen without being in contact with it is named "proximity touch", and an object on the touch screen An act of actually being contacted is called a "contact touch". A location at which an object is proximity-touched on the touch screen means a location at which the object corresponds vertically to the touch screen when the object is proximity-touched. The proximity sensor 141 may detect a proximity touch and a proximity touch pattern (eg, proximity touch distance, proximity touch direction, proximity touch speed, proximity touch time, proximity touch location, proximity touch movement state, etc.). Meanwhile, the controller 180 processes data (or information) corresponding to the proximity touch operation and proximity touch pattern detected through the proximity sensor 141 as described above, and furthermore, displays visual information corresponding to the processed data on the touch screen. can be output on the Furthermore, the controller 180 may control the mobile terminal 100 to process different operations or data (or information) depending on whether a touch to the same point on the touch screen is a proximity touch or a contact touch.

The touch sensor detects a touch (or touch input) applied to the touch screen (or the display unit 151) using at least one of various touch methods such as a resistive film method, a capacitive method, an infrared method, an ultrasonic method, and a magnetic field method. detect

As an example, the touch sensor may be configured to convert a change in pressure applied to a specific part of the touch screen or capacitance generated in a specific part into an electrical input signal. The touch sensor may be configured to detect a location, area, pressure upon touch, capacitance upon touch, and the like, at which a touch object that applies a touch to the touch screen is touched on the touch sensor. Here, the touch object is an object that applies a touch to the touch sensor, and may be, for example, a finger, a touch pen, a stylus pen, or a pointer.

In this way, when there is a touch input to the touch sensor, a corresponding signal(s) is sent to the touch controller. The touch controller processes the signal(s) and then transmits corresponding data to the controller 180. Accordingly, the controller 180 can know which area of the display unit 151 has been touched. Here, the touch controller may be a component separate from the controller 180 or may be the controller 180 itself.

Meanwhile, the controller 180 may perform different controls or the same control according to the type of the touch object that touches the touch screen (or a touch key provided other than the touch screen). Whether to perform different controls or the same control according to the type of the touch object may be determined according to an operating state of the mobile terminal 100 or an application program currently being executed.

On the other hand, the touch sensor and proximity sensor described above are independently or in combination, short (or tap) touch, long touch, multi-touch, drag touch on the touch screen , flick touch, pinch-in touch, pinch-out touch, swipe touch, hovering touch, etc. can sense

The ultrasonic sensor may recognize location information of a sensing object by using ultrasonic waves. Meanwhile, the controller 180 may calculate the location of the wave generating source through information detected by the optical sensor and the plurality of ultrasonic sensors. The position of the wave generating source may be calculated using the property that light is much faster than ultrasonic waves, that is, the time for light to reach the optical sensor is much faster than the time for ultrasonic waves to reach the ultrasonic sensor. More specifically, the location of the wave generating source may be calculated by using light as a reference signal and a time difference between the arrival time of ultrasonic waves.

Meanwhile, the camera 121 viewed as the configuration of the input unit 120 includes at least one of a camera sensor (eg, CCD, CMOS, etc.), a photo sensor (or image sensor), and a laser sensor.

The camera 121 and the laser sensor may be combined with each other to detect a touch of a sensing target for a 3D stereoscopic image. A photo sensor may be stacked on a display device, and the photo sensor is configured to scan a motion of a sensing target close to the touch screen. More specifically, the photo sensor mounts photo diodes and TRs (transistors) in rows/columns to scan the contents placed on the photo sensor using electrical signals that change according to the amount of light applied to the photo diodes. That is, the photo sensor calculates the coordinates of the sensing object according to the change in light, and through this, the location information of the sensing object can be obtained.

The display unit 151 displays (outputs) information processed by the mobile terminal 100 . For example, the display unit 151 may display execution screen information of an application program driven in the mobile terminal 100 or UI (User Interface) and GUI (Graphic User Interface) information according to such execution screen information.

Also, the display unit 151 may be configured as a 3D display unit that displays a 3D image.

A 3D display method such as a stereoscopic method (glasses method), an auto stereoscopic method (non-glasses method), a projection method (holographic method) may be applied to the 3D display unit.

The audio output unit 152 may output audio data received from the wireless communication unit 110 or stored in the memory 170 in a call signal reception, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, and the like. The sound output unit 152 also outputs sound signals related to functions performed by the mobile terminal 100 (eg, call signal reception sound, message reception sound, etc.). The sound output unit 152 may include a receiver, a speaker, a buzzer, and the like.

The haptic module 153 generates various tactile effects that a user can feel. A representative example of the tactile effect generated by the haptic module 153 may be vibration. The strength and pattern of the vibration generated by the haptic module 153 may be controlled by a user's selection or a setting of a controller. For example, the haptic module 153 may synthesize and output different vibrations or sequentially output them.

In addition to vibration, the haptic module 153 generates vibrations caused by stimuli such as pin arrays vertically moving with respect to the contact skin surface, spraying or suction power of air through a nozzle or suction port, rubbing against the skin surface, contact with an electrode, and electrostatic force. It is possible to generate various tactile effects, such as effects and effects by reproducing cool and warm sensations using elements capable of absorbing heat or generating heat.

The haptic module 153 not only transmits a tactile effect through direct contact, but also can be implemented so that a user can feel a tactile effect through a muscle sense such as a finger or an arm. Two or more haptic modules 153 may be provided according to the configuration of the mobile terminal 100 .

The light output unit 154 outputs a signal for notifying occurrence of an event using light from a light source of the mobile terminal 100 . Examples of events occurring in the mobile terminal 100 may include message reception, call signal reception, missed calls, alarms, schedule notifications, e-mail reception, and information reception through applications.

A signal output from the light output unit 154 is implemented when the mobile terminal emits light of a single color or multiple colors to the front or back side. Signal output can be terminated when the mobile terminal detects the user's confirmation of the event.

The interface unit 160 serves as a passage for all external devices connected to the mobile terminal 100 . The interface unit 160 receives data from an external device or receives power and transmits it to each component inside the mobile terminal 100, or transmits data inside the mobile terminal 100 to an external device. For example, a wired/wireless headset port, an external charger port, a wired/wireless data port, a memory card port, and a port for connecting a device equipped with an identification module ( port), an audio I/O (Input/Output) port, a video I/O (Input/Output) port, an earphone port, and the like may be included in the interface unit 160 .

Meanwhile, the identification module is a chip storing various types of information for authenticating the right to use the mobile terminal 100, and includes a user identification module (UIM), a subscriber identity module (SIM), and a universal user authentication module. (universal subscriber identity module; USIM) and the like. A device equipped with an identification module (hereinafter referred to as 'identification device') may be manufactured in the form of a smart card. Accordingly, the identification device may be connected to the terminal 100 through the interface unit 160 .

In addition, when the mobile terminal 100 is connected to an external cradle, the interface unit 160 serves as a passage through which power from the cradle is supplied to the mobile terminal 100, or various command signals input from the cradle by the user move. It can be a passage through which it is delivered to the terminal 100. Various command signals or power input from the cradle may operate as signals for recognizing that the mobile terminal 100 is correctly mounted on the cradle.

The memory 170 may store programs for operation of the controller 180 and may temporarily store input/output data (eg, phonebook, message, still image, video, etc.). The memory 170 may store data related to vibration and sound of various patterns output when a touch is input on the touch screen.

The memory 170 may be a flash memory type, a hard disk type, a solid state disk type, a silicon disk drive type, or a multimedia card micro type. ), card-type memory (eg SD or XD memory, etc.), RAM (random access memory; RAM), SRAM (static random access memory), ROM (read-only memory; ROM), EEPROM (electrically erasable programmable read -only memory), a programmable read-only memory (PROM), a magnetic memory, a magnetic disk, and an optical disk. The mobile terminal 100 may be operated in relation to a web storage that performs a storage function of the memory 170 on the Internet.

Meanwhile, as described above, the control unit 180 controls operations related to applications and general operations of the mobile terminal 100 in general. For example, if the state of the mobile terminal satisfies a set condition, the controller 180 may execute or release a locked state that restricts a user's control command input to applications.

In addition, the controller 180 can perform control and processing related to voice calls, data communications, video calls, etc., or perform pattern recognition processing to recognize handwriting input or drawing input performed on the touch screen as characters and images, respectively. there is. Furthermore, the control unit 180 may control any one or a combination of a plurality of components described above in order to implement various embodiments described below on the mobile terminal 100 according to the present invention.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for the operation of each component. The power supply unit 190 includes a battery, and the battery may be a built-in battery capable of being charged, or may be detachably coupled to the terminal body for charging.

In addition, the power supply unit 190 may have a connection port, and the connection port may be configured as an example of an interface 160 to which an external charger that supplies power for battery charging is electrically connected.

As another example, the power supply unit 190 may be configured to charge the battery in a wireless manner without using a connection port. In this case, the power supply unit 190 uses at least one of an inductive coupling method based on a magnetic induction phenomenon or a resonant coupling method based on an electromagnetic resonance phenomenon from an external wireless power transmitter to provide power. can be delivered.

Meanwhile, various embodiments hereinafter may be embodied in a recording medium readable by a computer or a device similar thereto using, for example, software, hardware, or a combination thereof.

2 and 3 are examples of conceptual views of the mobile terminal 100 viewed from different directions according to an embodiment of the present invention. Referring to FIGS. 2 and 3 , a mobile terminal 100 according to an embodiment of the present invention has a bar-shaped terminal body. However, the present invention is not limited thereto and may be applied to various structures such as a watch type, a clip type, a glass type, a folder type, a flip type, a slide type, a swing type, and a swivel type in which two or more bodies are coupled to be relatively movable. Although it will relate to a particular type of mobile terminal, descriptions relating to a particular type of mobile terminal may apply generally to other types of mobile terminals.

Here, the terminal body can be understood as a concept referring to the mobile terminal 100 as at least one aggregate.

The mobile terminal 100 includes a case (eg, a frame, a housing, a cover, etc.) constituting an external appearance. As shown, the mobile terminal 100 may include a front case 101 and a rear case 102 . Various electronic components are disposed in the inner space formed by the combination of the front case 101 and the rear case 102 . At least one middle case may be additionally disposed between the front case 101 and the rear case 102 .

A display unit 151 is disposed on the front of the terminal body to output information. As shown, the window 151a of the display unit 151 may be mounted on the front case 101 to form the front surface of the terminal body together with the front case 101 .

In some cases, electronic components may also be mounted on the rear case 102 . Electronic components that can be mounted on the rear case 102 include a removable battery, an identification module, a memory card, and the like. In this case, a rear cover 103 for covering mounted electronic components may be detachably coupled to the rear case 102 . Therefore, when the rear cover 103 is separated from the rear case 102, the electronic components mounted on the rear case 102 are exposed to the outside.

As shown, when the rear cover 103 is coupled to the rear case 102, a portion of the side surface of the rear case 102 may be exposed. In some cases, the rear case 102 may be completely covered by the rear cover 103 during the coupling. Meanwhile, the rear cover 103 may have an opening for exposing the camera 121b or the sound output unit 152b to the outside.

These cases 101, 102, and 103 may be formed by injection molding of synthetic resin or may be formed of metal, such as stainless steel (STS), aluminum (Al), or titanium (Ti).

Unlike the above example in which a plurality of cases provide an internal space for accommodating various electronic components, the mobile terminal 100 may be configured such that one case provides the internal space. In this case, a unibody mobile terminal 100 with synthetic resin or metal extending from the side to the rear may be implemented.

Meanwhile, the mobile terminal 100 may include a waterproof unit (not shown) preventing water from penetrating into the terminal body. For example, the waterproof unit is provided between the window 151a and the front case 101, between the front case 101 and the rear case 102, or between the rear case 102 and the rear cover 103, and when they are combined A waterproof member for sealing the inner space may be included.

The mobile terminal 100 includes a display unit 151, first and second audio output units 152a and 152b, a proximity sensor 141, an illuminance sensor 142, a light output unit 154, and first and second audio output units 152a and 152b. Cameras 121a and 121b, first and second control units 123a and 123b, a microphone 122, an interface unit 160, and the like may be provided.

Hereinafter, as shown in FIGS. 2 and 3, the display unit 151, the first sound output unit 152a, the proximity sensor 141, the illuminance sensor 142, and the light output unit 154 are provided on the front of the terminal body. , the first camera 121a and the first operation unit 123a are disposed, the second operation unit 123b, the microphone 122 and the interface unit 160 are disposed on the side of the terminal body, and the rear surface of the terminal body The mobile terminal 100 in which the second audio output unit 152b and the second camera 121b are disposed will be described as an example.

However, these configurations are not limited to this arrangement. These components can be excluded or replaced or placed on other surfaces as needed. For example, the first operation unit 123a may not be provided on the front of the terminal body, and the second sound output unit 152b may be provided on the side of the terminal body instead of the rear surface of the terminal body.

The display unit 151 displays (outputs) information processed by the mobile terminal 100 . For example, the display unit 151 may display execution screen information of an application program driven in the mobile terminal 100 or UI (User Interface) and GUI (Graphic User Interface) information according to such execution screen information.

The display unit 151 includes a liquid crystal display (LCD), a thin film transistor-liquid crystal display (TFT LCD), an organic light-emitting diode (OLED), and a flexible display. display), a 3D display, and an e-ink display.

In addition, two or more display units 151 may exist according to the implementation form of the mobile terminal 100 . In this case, in the mobile terminal 100, a plurality of display units may be spaced apart or integrally disposed on one surface, or may be respectively disposed on different surfaces.

The display unit 151 may include a touch sensor that detects a touch on the display unit 151 so that a control command can be received by a touch method. When a touch is made to the display unit 151 using this, the touch sensor may detect the touch, and the controller 180 may generate a control command corresponding to the touch based on this. Contents input by the touch method may be letters or numbers, or menu items that can be instructed or designated in various modes.

Meanwhile, the touch sensor is configured in the form of a film having a touch pattern and disposed between the window 151a and a display (not shown) on the rear surface of the window 151a, or may be a metal wire patterned directly on the rear surface of the window 151a. may be Alternatively, the touch sensor may be integrally formed with the display. For example, the touch sensor may be disposed on a substrate of the display or provided inside the display.

As such, the display unit 151 may form a touch screen together with a touch sensor, and in this case, the touch screen may function as a user input unit 123 (see FIG. 1). In some cases, the touch screen may replace at least some of the functions of the first manipulation unit 123a.

The first audio output unit 152a may be implemented as a receiver that transmits a call sound to the user's ear, and the second audio output unit 152b is a loudspeaker that outputs various alarm sounds or playback sounds of multimedia. ) can be implemented in the form of

A sound hole for emitting sound generated from the first sound output unit 152a may be formed in the window 151a of the display unit 151 . However, the present invention is not limited thereto, and the sound may be configured to be emitted along an assembly gap between structures (for example, a gap between the window 151a and the front case 101). In this case, the appearance of the mobile terminal 100 may be simpler because holes formed independently for sound output are invisible or hidden.

The light output unit 154 is configured to output light to notify when an event occurs. Examples of the event include message reception, call signal reception, missed call, alarm, schedule notification, e-mail reception, information reception through an application, and the like. When a user's confirmation of an event is detected, the controller 180 may control the light output unit 154 to end output of light.

The first camera 121a processes an image frame of a still image or a moving image obtained by an image sensor in a shooting mode or a video call mode. The processed image frame may be displayed on the display unit 151 and may be stored in the memory 170 .

The first and second manipulation units 123a and 123b are examples of user input units 123 manipulated to receive commands for controlling the operation of the mobile terminal 100, and may also be collectively referred to as a manipulating portion. there is. The first and second manipulation units 123a and 123b may be employed in any tactile manner, such as touch, push, or scroll, in which a user manipulates them while receiving a tactile feeling. Also, the first and second control units 123a and 123b may be operated in a manner in which a user does not have a tactile feeling through a proximity touch, a hovering touch, or the like.

In this drawing, the first operation unit 123a is exemplified as a touch key, but the present invention is not limited thereto. For example, the first operation unit 123a may be a mechanical key or a combination of a touch key and a push key.

Contents input by the first and second manipulation units 123a and 123b may be set in various ways. For example, the first control unit 123a receives commands such as menu, home key, cancel, and search, and the second control unit 123b receives sounds output from the first or second sound output units 152a and 152b. Commands such as adjusting the size of , switching the display unit 151 to a touch recognition mode, and the like may be input.

Meanwhile, as another example of the user input unit 123, a rear input unit (not shown) may be provided on the rear surface of the terminal body. This rear input unit is manipulated to receive commands for controlling the operation of the mobile terminal 100, and the input contents can be set in various ways. For example, commands such as power on/off, start, end, and scroll, volume control of sound output from the first and second sound output units 152a and 152b, and display unit 151 in a touch recognition mode Commands such as conversion can be input. The rear input unit may be implemented in a form capable of input by touch input, push input, or a combination thereof.

The rear input unit may be disposed to overlap the front display unit 151 in the thickness direction of the terminal body. For example, the rear input unit may be disposed on an upper part of the rear surface of the terminal body so that the user can easily manipulate the terminal body using an index finger when holding the terminal body with one hand. However, the present invention is not necessarily limited thereto, and the location of the rear input unit may be changed.

In this way, when the rear input unit is provided on the rear side of the terminal body, a new type of user interface using the rear input unit can be implemented. In addition, when the first operation unit 123a is not disposed on the front side of the terminal body by replacing at least some of the functions of the first operation unit 123a provided on the front side of the terminal body, the touch screen or rear input unit described above is displayed. The portion 151 can be configured with a larger screen.

Meanwhile, the mobile terminal 100 may include a fingerprint recognition sensor for recognizing a user's fingerprint, and the controller 180 may use fingerprint information detected through the fingerprint recognition sensor as an authentication means. The fingerprint recognition sensor may be embedded in the display unit 151 or the user input unit 123.

The microphone 122 is configured to receive a user's voice and other sounds. The microphone 122 may be provided in a plurality of locations to receive stereo sound.

The interface unit 160 becomes a passage through which the mobile terminal 100 can be connected to an external device. For example, the interface unit 160 may include connection terminals for connection with other devices (eg, earphones, external speakers), ports for short-range communication (eg, an infrared port (IrDA Port), a Bluetooth port) , wireless LAN port, etc.], or at least one of a power supply terminal for supplying power to the mobile terminal 100 . The interface unit 160 may be implemented in the form of a socket for accommodating an external card such as a Subscriber Identification Module (SIM) or User Identity Module (UIM) or a memory card for storing information.

A second camera 121b may be disposed on the rear surface of the terminal body. In this case, the second camera 121b has a photographing direction substantially opposite to that of the first camera 121a.

The second camera 121b may include a plurality of lenses arranged along at least one line. A plurality of lenses may be arranged in a matrix form. Such a camera may be termed an array camera. When the second camera 121b is configured as an array camera, images can be taken in various ways using a plurality of lenses, and better quality images can be obtained.

The flash 124 may be disposed adjacent to the second camera 121b. The flash 124 shines light toward the subject when photographing the subject with the second camera 121b.

A second sound output unit 152b may be additionally disposed on the terminal body. The second audio output unit 152b may implement a stereo function together with the first audio output unit 152a, and may be used to implement a speaker phone mode during a call.

At least one antenna for wireless communication may be provided in the terminal body. The antenna may be built into a terminal body or formed in a case. For example, an antenna constituting a part of the broadcast reception module (111, see FIG. 1) may be configured to be drawn out from the terminal body. Alternatively, the antenna may be formed in a film type and attached to the inner surface of the rear cover 103, or a case including a conductive material may function as the antenna.

The terminal body is provided with a power supply unit 190 (see FIG. 1) for supplying power to the mobile terminal 100. The power supply unit 190 may include a battery 191 built into the terminal body or detachably from the outside of the terminal body.

The battery 191 may be configured to receive power through a power cable connected to the interface unit 160 . In addition, the battery 191 may be configured to be wirelessly charged through a wireless charging device. The wireless charging may be implemented by a magnetic induction method or a resonance method (magnetic resonance method).

On the other hand, in this drawing, the rear cover 103 is coupled to the rear case 102 to cover the battery 191 to limit the escape of the battery 191 and to protect the battery 191 from external impact and foreign substances. are doing When the battery 191 is configured to be detachable from the terminal body, the rear cover 103 may be detachably coupled to the rear case 102 .

An accessory that protects the appearance of the mobile terminal 100 or assists or expands the functions of the mobile terminal 100 may be added. An example of such an accessory may be a cover or pouch that covers or accommodates at least one surface of the mobile terminal 100 . The cover or pouch may be configured to expand the functions of the mobile terminal 100 by interworking with the display unit 151 . Another example of the accessory may be a touch pen for assisting or extending a touch input to a touch screen.

Hereinafter, embodiments related to a control method that can be implemented in the mobile terminal 100 configured as described above will be described with reference to the accompanying drawings. It is apparent to those skilled in the art that the present invention can be embodied in other specific forms without departing from the spirit and essential characteristics of the present invention.

4 is an example of a flowchart of a control method of a mobile terminal 100 according to an embodiment of the present invention, and FIG. 5 is a diagram for schematically explaining a process of updating a file according to an embodiment of the present invention. am.

First, the mobile terminal 100 may store a file (S410).

Hereinafter, the mobile terminal 100 is described, but is not limited thereto. Therefore, it can be applied not only to smart phones, tablet PCs, and laptop computers, but also to personal computers (PCs) and TV receivers.

Also, the stored file may be a text file or an image file. A text file may consist of only human-recognizable strings such as letters, numbers, and symbols, or may consist of strings and images. An image file is composed of an image in which characters, numbers, symbols, figures, etc. are not strings, and may mean a bitmap file, a GIF file, a JPEG file, a JPG file, and the like.

Thereafter, the file is executed so that the mobile terminal 100 can detect the print printed on the paper and the handwriting added to the print (S420). In detail, this step will be described with reference to FIG. 5 .

The mobile terminal 100 may execute a file stored in the memory 170 to display a document, and output at least a part of the displayed document using a printer. In this case, the mobile terminal 100 may control the printer to output at least a part of the document without executing the file stored in the memory 170 .

A print 400 output by the printer is as shown in FIG. 6 . As shown in FIG. 6 , printed text 400 may include printed text 410 . Here, the print text 410 may mean that text data stored in a file is printed. However, it is not limited to printed text, and printed materials may include printed images. In some cases, if the file contains text and images, the printout may contain both printed text and printed images.

Here, there may be cases in which the user needs to add, correct, or delete information on the printed matter 400 . Accordingly, as shown in FIG. 6 , the user may perform handwriting 420 on the printed printed matter 400 . In this case, the writing 420 may be performed with various writing means such as various pens, pencils, and colored pencils.

Here, it may be necessary to update a file stored in the mobile terminal 100 to a state in which handwriting has been made. That is, an existing file stored in the mobile terminal 100 can be updated in a state in which handwriting has been made. Hereinafter, a case of updating a file in a handwritten state will be described, but is not limited thereto. Therefore, the case where writing is made to correct information printed on a printed matter, when writing is made to delete information printed on a printed matter, etc. can be explained in the same way.

In this case, the mobile terminal 100 can use the camera 121 to take a picture of the printed matter on which the handwriting is made. The photographed print image may be stored in the memory 170 . In addition, the printed image scanned by the scanner (not shown) may be transmitted to the mobile terminal 100 and stored in the memory 170 . Hereinafter, a printed image photographed or scanned by this method is referred to as a new image.

Thereafter, the mobile terminal 100 may update the stored file (S430).

Specifically, the controller 180 compares an image according to an existing file, that is, an existing image and a new image, and extracts an object image added by a user's handwriting or an object image deleted by a user from an existing image. Therefore, the mobile terminal 100 can update the file by applying the extracted object image to the existing image. In this case, files according to the new image may be deleted.

According to the present invention, the document is not edited in a displayed state on the touch screen 151, but is edited using various writing means in a printed state. When a document is edited on the touch screen 151, since the writing is performed by an electronic response method, the writing is not free and the accuracy of the writing is low compared to conventional writing means. Therefore, according to the present invention, the editing accuracy can be improved and the writing speed can also be improved.

In addition, according to the present invention, the file is updated by extracting objects that differ between the old image and the new image, and adding, correcting, or deleting only the extracted objects to the existing image. Therefore, unlike the present invention, the conventional method of replacing an existing file with a file according to a new image is to save the new file and delete the old file, not to update the existing file.

In addition, according to the present invention, unlike the conventional method that requires a lot of process load to create a file according to a new image, since only the edited object is applied to the existing file, the update process takes less load. can be effective.

Hereinafter, the process of updating an existing file as described above will be described in more detail.

7 to 12 are views for explaining in detail a process of updating a file according to an embodiment of the present invention. Hereinafter, a method of extracting a new object by comparing an image according to an existing file with an image according to a new file will be described, and a description of overlapping parts with the above description will be omitted.

First, FIG. 7 is a diagram for explaining a method of extracting a handwritten image.

The controller 180 may compare the first image 500 and the second image 600 . The first image 500 may be an image according to an original file stored in the memory 170, and the second image 600 may be a new image taken or scanned.

Referring to FIG. 7 , it can be seen that the user wrote 620 'ABC'. In this case, as a result of comparing the first image 500 and the second image 600, the controller 180 compares the second image 600 with an object called 'ABC' that is not included in the first image 500, that is, handwriting. It can be determined that the image 620 has been added. Therefore, the controller 180 can update the original file by extracting the handwritten image 620 from the second image 600 and adding it to the first image 500 .

In this case, the original file may be an image file, and the updated file may be an image file to which an image, which is an extracted object, is added. Accordingly, in the case of FIG. 7 , the original file may be an updated image file by adding an image 620 called 'ABC'.

Also, the original file may be a text file, and the updated file may be a text file to which an image, which is an extracted object, is added. Therefore, in the case of FIG. 7 , the original file may be an updated text file by adding an image 620 called 'ABC'.

Also, the original file may be a text file, and the updated file may be a text file to which text converted from an image, which is an extracted object, is added. Therefore, in the case of FIG. 7 , the original file may be an updated text file by adding the text 'ABC' converted from the image 620 'ABC'.

Meanwhile, FIG. 8 is a diagram for explaining a method of extracting a handwritten image 620 by comparing a first image 500 with a second image 600 having a different size.

Referring to FIG. 8 , it can be seen that a second image 600A obtained using a camera 121 or a scanner (not shown) is smaller than the first image 500 of FIG. 7 . In this case, as shown in FIG. 8 , the controller 180 may enlarge the second image 600B to have the same size as the first image 500 of FIG. 7 . Accordingly, the controller 180 may extract the handwritten image 620 by comparing the first image 500 and the second image 600B.

In addition, the case of enlarging the second image 600A has been described in FIG. 8, but is not limited thereto. Accordingly, the second image 600A may be scaled down and compared with the first image 500 .

Meanwhile, FIG. 9 is a diagram for explaining a method of extracting a handwritten image 620 by comparing only a part of the entire page.

Referring to FIG. 9 , the controller 180 may detect a handwritten image 620 from the entire area of the acquired second image 600 . In this case, the controller 180 may set the detected handwriting image 620 and a part of the surrounding area as a comparison target. Therefore, the controller 180 compares the printed text 610 adjacent to the handwritten image 620 included in the second image 600 with the printed text 510 corresponding to the portion of the first image 500, The handwritten image 620 may be extracted.

Meanwhile, FIG. 10 describes a method of detecting the location of the handwritten image 620 added to the second image 600 and adding the handwriting image 620 to a location on the first image 500 corresponding to the detected location. It is a drawing for

Referring to FIG. 10 , the second image 600 may have a length of X3 in a horizontal direction and a length of Y3 in a vertical direction. In this case, the unit of length may be set in various ways.

Here, the handwritten image 620 is formed at coordinates of (X1, 0) to (X2, 0) and (0, Y1) to (0, Y2) on the second image 600 . Accordingly, the controller 180 places the detected handwriting image 620 at a position corresponding to the coordinates of (X1, 0) to (X2, 0) and (0, Y1) to (0, Y2) on the first image 500. can be added to

Here, as shown on the right side of FIG. 10 , when the handwritten image 620A is formed parallel to the printed text 610 on the second image 600, the controller 180 converts the detected handwritten image 620A to the first image 600. It can be added on the first image 500 so that it is parallel to the printed text 510 of the image 500 .

In addition, when the handwritten image 620B is formed to be inclined with respect to the printed text 610 on the second image 600, the controller 180 converts the detected handwritten image 620B to the printed text of the first image 500. It can be added on the first image 500 so as to be inclined with respect to (510). However, it is not limited thereto, and whether the detected handwritten image 620B is added to be inclined with respect to the printed text 510 of the first image 500 or parallel to the printed text 510 of the first image 500. A UI (User Interface) may be displayed to set whether or not to add to do so.

Meanwhile, FIG. 11 is a diagram for explaining a method different from that described in FIG. 10 .

Referring to FIG. 11 , a handwritten image 620 is formed between a first string S1 and a second string S2 on a second image 600 . Accordingly, the controller 180 may add the detected handwriting image 620 to a corresponding position between a first string (not shown) and a second string (not shown) on the first image 500 .

In particular, on the second image 600, the handwritten image 620 is between '1' and '3' among the characters included in the first string S1 and between '6' and '6' among the characters included in the second string S2. It is formed between '8'. Therefore, the controller 180 assigns the detected handwriting image 620 to characters between '1' and '3' among characters included in a first string (not shown) on the first image 500 and a second string (not shown). Among the included characters, it can be added to a corresponding position between '6' and '8'.

According to this method, the first file F1 including the first image 500 can be updated to the first file F2 in which the handwritten image 620 is added to the first image 500, This is as shown in FIG. 12 .

Here, the type of the first file F1 and the type of the second file F2 may be the same or different. This will be explained below.

13 to 17 are diagrams for explaining a file conversion process in updating according to an embodiment of the present invention.

As described above, the first file F1 including the first image 500 may be updated to the first file F2 in which the handwritten image 620 is added to the first image 500 . 13 shows a case where both the first file F1 and the second file F2 are image files. Therefore, in this case, a separate file conversion process may not be required.

Meanwhile, when the original file is an image file I1, the updated final file can be converted into a text file T2 as shown in FIG. 14. In this case, after generating the final image file I2 by the above-described method, it may be converted into a text file T2. Since a method of converting an image file into a text file is widely known, a detailed description thereof will be omitted.

Meanwhile, FIG. 15 shows a case where both the first file F1 and the second file F2 are text files. In this case, not only the handwritten image may be added to the first text file T1, which is the original file, but also the handwritten text may be added. The handwritten text may mean that handwriting formed as an image file is converted into a text file. Therefore, at least one of a handwritten image and handwritten text may be added to the second text file T2, which is the final file.

Meanwhile, when the original file is a text file (T1), as shown in FIG. 16, the updated final file can be converted into an image file (I2). In this case, after generating the final text file T2 by the above-described method, it may be converted into an image file I2. Since a method of converting a text file into an image file is widely known, a detailed description thereof will be omitted.

Meanwhile, when the original file and the final file are text files T1 and T2, a handwritten image 620 may be added in a manner as shown in FIG. 17 . Specifically, the first text file T1, which is an original file, may be converted into a first image file I1. Then, by adding the handwritten image 620 to the converted first image file I1, the first image file I1 can be updated to the second image file I2. After that, the second image file I2 may be converted into a second text file T2. As a result, the first text file T1 can be updated to the second text file T2.

18 to 23 are diagrams for explaining a process of applying handwritten characters to a file according to an embodiment of the present invention. Hereinafter, a detailed method of applying a handwritten image to an original file will be described.

As shown in FIG. 18 , the user may select a handwritten image 620A from the first image or the second image. In this case, the area corresponding to the selected handwriting image 620A may be changed to a different brightness or color from the rest of the area, and various other visual effects may be applied.

Thereafter, a screen for changing the configuration of the selected handwriting image 620A may be displayed, as shown in FIGS. 19 to 20 . Referring to FIG. 19 , a selected handwriting image 620A is displayed on one side of the screen, and a menu M including various tools for changing the selected handwriting image 620A is displayed on the other side of the screen. can Therefore, as shown in FIG. 20, the user can change the font or make other various settings. The first image or the second image to which the finally changed handwriting image 620B is applied is as shown in FIG. 21 .

Meanwhile, in the foregoing, the case of updating by applying the changed handwriting image to the original image has been described, but is not limited thereto. Accordingly, the handwritten image may be converted into handwritten text, the converted handwritten text may be changed as described above, and then applied to the original text to be updated.

Meanwhile, the font, size, color, etc. of the handwritten image or handwritten text to be changed may be set in advance. For example, the final text file can be updated by automatically setting the handwritten text to 'Bangtan', and then the user can change the handwritten text as described above.

Meanwhile, a plurality of handwritten images or handwritten texts may be simultaneously changed, as shown in FIGS. 22 and 23 . Referring to FIG. 22 , a first handwritten text 620A and a second handwritten text 620C are displayed. The user may sequentially select the first handwritten text 620A and the second handwritten text 620C. In this case, the first handwritten text 620B and the second handwritten text 620D simultaneously changed according to the method described in FIGS. 19 to 20 may be applied to the final file, as shown in FIG. 23 .

In the above, the case where the handwritten image or handwritten text is a letter has been described, but is not limited thereto. Therefore, the same can be applied to various symbols, figures, shapes, characters, etc., and this will be described below.

24 to 29 are views for explaining a process of applying a written symbol to a file according to an embodiment of the present invention.

As shown in FIG. 24 , it is assumed that both parentheses are detected as handwritten images 720A and 720B. In this case, the user may select one (720A) of both parentheses (720A, 720B). The visual effect of the area corresponding to the selected handwriting image 720A is as described above.

Thereafter, a screen for changing the configuration of the selected object 720A may be displayed, as shown in FIG. 25 . Referring to FIG. 25 , as described above, a selected object 720A may be displayed on one side of the screen and a menu M for changing the selected object 720A may be displayed on the other side of the screen. Therefore, as shown in FIG. 26, the user can change the selected object to one of various similar objects. Therefore, the first image or the second image to which the finally changed object 620C is applied is as shown in FIG. 26 .

Meanwhile, the case in which only one selected object is changed and applied to the first image or the second image has been described above, but is not limited thereto. Therefore, even if only one 720A of the plurality of objects 720A and 720B as described above is selected, it is possible to apply the changed object 720D to the remaining unselected objects 720B, which is illustrated in FIG. 27 . same as bar

In addition, it is preferable that objects that can be simultaneously changed in this manner are previously set and stored as a pair. Different types of text, for example, left parenthesis and right parenthesis, left and right quotation marks, consecutive numbers on the same page or in the same file, and equal or inequality signs on the same page or in the same file. can be set to

Meanwhile, as shown in FIG. 28 , the user may touch the written object 820 for a predetermined period of time or longer. In this case, the visual effect of the region corresponding to the selected handwriting image 820 is as described above.

Thereafter, the user may release the touch after dragging the selected object 820 to a position to be rearranged. Accordingly, as shown in FIG. 29 , the selected object 820 may be applied to the first image or the second image while being relocated to a location different from the written location.

30 to 36 are diagrams for explaining a process of deleting or re-entering handwriting according to an embodiment of the present invention.

Referring to FIG. 30 , the user may touch the written object 620 for a predetermined period of time or more. The visual effect of the region corresponding to the selected handwriting image 820 is as described above. In this case, as shown in FIG. 30 , a UI for determining whether to delete the selected object 620 may be displayed.

Therefore, if the user selects a button to delete it, the first image or the second image may be changed while the selected object 620 is deleted, as shown in FIG. 31 .

Meanwhile, as shown in FIG. 32 , the second image 600 may include various deletion symbols D1, D2, and D3. That is, the user may mean that the printed text has been edited by writing the deletion marks D1, D2, and D3 for some of the printed text.

In this case, as shown in FIG. 33 , a UI for determining whether to delete characters, numbers, symbols, etc. overlapping with the deletion symbols D1, D2, and D3 may be displayed.

Therefore, if the user selects a button to delete it, as shown in FIG. 34, the first image or the second image is displayed with the letters, numbers, symbols, etc. overlapped with the deletion symbols (D1, D2, D3) deleted. can be changed.

Here, in FIG. 34, the case where the first image or the second image is changed while the text is deleted has been described, but is not limited thereto. Specifically, since 'LM' is deleted as shown in FIGS. 32 and 33, as shown in FIG. 34, 'JK' and 'NO' may be spaced apart from each other and may be in a discontinuous recording state. NO' may be adjacent to each other and may be in a continuous recording state. That is, the first image or the second image may be changed to a state such as 'JK NO' or 'JKNO'.

In addition, it is preferable that the type of deletion symbol is preset and stored in the memory 170 . Therefore, not only the symbols shown in FIG. 32, but also various types of symbols may be set as deletion symbols.

Meanwhile, in some cases, the controller 180 may not recognize the handwritten images 620 and 720 . In this case, as shown in FIG. 35 , an input window 900 for inputting accurate handwriting may be displayed. The user may input handwriting into the input window 900, input writing using a stylus pen or a finger, and a virtual keyboard or the like may be displayed and input writing through it.

Accordingly, if the user inputs handwriting in this way, a confirmation message as shown in FIG. 36 may be displayed. If the user selects a button for adding the input handwriting, the input handwriting may be added as an image or text to a location of a handwritten image or handwritten text determined not to be recognized.

The above-described present invention can be implemented as computer readable code on a medium on which a program is recorded. Computer-readable media include all types of recording devices that store data that can be read by a computer system. Examples of computer-readable media include Hard Disk Drive (HDD), Solid State Disk (SSD), Silicon Disk Drive (SDD), ROM, RAM, CD-ROM, magnetic tape, floppy disk, and optical data storage devices. It also includes what is implemented in the form of a carrier wave (for example, transmission over the Internet). Also, the computer may include the control unit 180 of the terminal. Therefore, the above detailed description should not be construed as limiting in all respects and should be considered as illustrative. The scope of the present invention should be determined by reasonable interpretation of the appended claims, and all changes within the equivalent scope of the present invention are included in the scope of the present invention.

100: mobile terminal 110: wireless communication unit
120: input unit
140: sensing unit 150: output unit
160: interface unit 170: memory
180: control unit 190: power supply unit

Claims (10)

camera;
a storage unit for storing files; and
a control unit executing the file to detect a print printed on paper and handwriting added to the print, and updating the stored file by applying a handwriting image corresponding to the detected handwriting to the file;
The control unit photographs a print with handwriting added through the camera, compares a first image according to execution of the file with a second image corresponding to the captured print, detects the handwriting image, and detects the handwriting image. apply an image onto the first image;
The mobile terminal of claim 1 , wherein the control unit updates the stored file in a manner of correcting or deleting information printed on the printed matter when writing is made to correct or delete information printed on the printed matter. According to claim 1,
When the handwritten image is formed to be inclined with respect to the printed text of the first image, the control unit displays a UI for setting whether to add the handwritten image to the printed text of the first image in an oblique or parallel manner. mobile terminal. According to claim 1,
The file is
A mobile terminal characterized in that it is any one of a text file or an image file. According to claim 1,
The file is a text file,
The mobile terminal, wherein the control unit updates the text file by applying handwritten text converted from the handwritten image to the text file. According to claim 1,
The file is
a first text file;
The control unit,
generating a third image with the handwritten image added on the first image;
and updating the first text file with a second text file in which the third image is converted into text. According to claim 4,
The control unit,
The mobile terminal, characterized in that converting the handwritten image into handwritten text according to a preset font and a preset size. According to claim 4,
Including more touch screen,
The control unit,
Displaying a menu screen on one side of the touch screen for selecting handwritten text to be converted into the handwritten image;
The mobile terminal characterized in that the handwritten image is converted into one handwritten text selected on the menu screen. According to claim 1,
The control unit,
The mobile terminal characterized in that the handwriting image is applied to the first image so as to correspond to the position of the handwriting on the second image. saving the file;
executing the file to detect a print printed on paper and handwriting added to the print; and
updating the stored file by applying a handwriting image corresponding to the detected handwriting to the file;
In the step of detecting the handwriting, the handwriting-added print is photographed through a camera, and the handwriting image is detected by comparing a first image according to the execution of the file with a second image corresponding to the photographed print;
The step of updating the stored file is a control method of a mobile terminal for updating the stored file by correcting or deleting information printed on the printed material when writing is made to correct or delete information printed on the printed material. . According to claim 1,
Wherein the controller displays a screen for changing the brightness, color, font, or position of the object, deleting the object, or re-entering the object.

Images