KR101572035B1 - Mobile terminal and control method thereof - Google Patents

Abstract

The present invention provides a mobile terminal capable of displaying a plurality of electronic books on one screen when using an e-book, and a control method thereof. The user selects another electronic book while reading a book, The user searches for and displays another e-book, links a specific location of another e-book to a specific character string, and allows the user to easily refer to another e-book while reading the e-book.

Description

[0001] MOBILE TERMINAL AND CONTROL METHOD THEREOF [0002]

The present invention relates to a mobile terminal capable of displaying an e-book and a control method thereof.

The terminal can move And can be divided into a mobile / portable terminal and a stationary terminal depending on whether the mobile terminal is a mobile terminal or a mobile terminal. The mobile terminal can be divided into a handheld terminal and a vehicle mount terminal according to whether the user can directly carry the mobile terminal.

Such a terminal has various functions, for example, in the form of a multimedia device having multiple functions such as photographing and photographing of a moving picture, reproduction of a music or video file, reception of a game and broadcasting, etc. . In order to support and enhance the functionality of such terminals, it may be considered to improve the structural and / or software parts of the terminal.

Recently, a mobile terminal has a function of viewing an e-book (digital book). However, since the e-book viewing function allows only one e-book to be viewed, it is inconvenient to view additional contents such as reference books and articles at the same time.

The present invention provides a mobile terminal for simultaneously displaying a plurality of electronic books and a control method thereof.

The present invention also provides a mobile terminal and a control method thereof that can easily search and display keywords in other electronic books.

Another object of the present invention is to provide a mobile terminal and a control method thereof which enable a user to easily link a specific keyword of an e-book and a specific position of another e-book to facilitate reference at a later time.

In order to accomplish the above object, a mobile terminal according to an embodiment of the present invention includes a display unit, a user input unit, and a control unit.

According to another aspect of the present invention, there is provided a program for causing a computer to execute the steps of: receiving a selection of one or more second electronic books to be additionally displayed from a user while displaying a first electronic book on a screen; And is displayed on the screen according to the view.

The second electronic book may display a list of pre-stored electronic books when a key input related to the additional opening is detected, and may receive at least one of the displayed lists from the user.

Also, the second electronic book may be inputted by searching at a pre-stored electronic book the keyword inputted from the user, displaying the search result list, and selecting at least one of the displayed lists from the user.

The second electronic book may be input by selecting a character string to which a link is set by the user.

The mobile terminal according to at least one embodiment of the present invention configured as described above selects another e-book from the list at the time of reading the e-book, extracts the keyword from the list, and easily searches for the keyword A link can be created and stored at the time of reading, so that the linked e-book can be easily browsed at a later reading time, thereby allowing other reference electronic books to be read easily and conveniently while reading a thesis.

Hereinafter, a mobile terminal related to the present invention will be described in detail with reference to the drawings. The suffix "module" and " part "for the components used in the following description are given or mixed in consideration of ease of specification, and do not have their own meaning or role.

The mobile terminal described in this specification may include a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), navigation and the like. However, it will be understood by those skilled in the art that the configuration according to the embodiments described herein may be applied to a fixed terminal such as a digital TV, a desktop computer, and the like, unless the configuration is applicable only to a mobile terminal.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

The mobile terminal 100 includes a wireless communication unit 110, an audio / video input unit 120, a user input unit 130, a sensing unit 140, an output unit 150, a memory 160, A controller 170, a controller 180, a power supply 190, and the like. The components shown in FIG. 1 are not essential, and a mobile terminal having more or fewer components may be implemented.

Hereinafter, the components will be described in order.

The wireless communication unit 110 may include one or more modules for enabling wireless communication between the mobile terminal 100 and the wireless communication system or between the mobile terminal 100 and the network in which the mobile terminal 100 is located. For example, the wireless communication unit 110 may include a broadcast receiving module 111, a mobile communication module 112, a wireless Internet module 113, a short range communication module 114, and a location information module 115 .

The broadcast receiving module 111 receives broadcast signals and / or broadcast-related information from an external broadcast management server through a broadcast channel.

The broadcast channel may include a satellite channel and a terrestrial channel. The broadcast management server may refer to a server for generating and transmitting broadcast signals and / or broadcast related information, or a server for receiving broadcast signals and / or broadcast related information generated by the broadcast management server and transmitting the generated broadcast signals and / or broadcast related information. The broadcast signal may include a TV broadcast signal, a radio broadcast signal, a data broadcast signal, and a broadcast signal in which a data broadcast signal is combined with a TV broadcast signal or a radio broadcast signal.

The broadcast-related information may refer to a broadcast channel, a broadcast program, or information related to a broadcast service provider. The broadcast-related information may also be provided through a mobile communication network. In this case, it may be received by the mobile communication module 112.

The broadcast-related information may exist in various forms. For example, an EPG (Electronic Program Guide) of DMB (Digital Multimedia Broadcasting) or an ESG (Electronic Service Guide) of Digital Video Broadcast-Handheld (DVB-H).

For example, the broadcast receiving module 111 may be a Digital Multimedia Broadcasting-Terrestrial (DMB-T), a Digital Multimedia Broadcasting-Satellite (DMB-S), a Media Forward Link Only (DVF-H) And a Digital Broadcasting System (ISDB-T) (Integrated Services Digital Broadcast-Terrestrial). Of course, the broadcast receiving module 111 may be adapted to other broadcasting systems as well as the digital broadcasting system described above.

The broadcast signal and / or broadcast related information received through the broadcast receiving module 111 may be stored in the memory 160.

The mobile communication module 112 transmits and receives radio signals to at least one of a base station, an external terminal, and a server on a mobile communication network. The wireless signal may include various types of data depending on a voice call signal, a video call signal, or a text / multimedia message transmission / reception.

The wireless Internet module 113 is a module for wireless Internet access, and may be built in or externally attached to the mobile terminal 100. WLAN (Wi-Fi), Wibro (Wireless broadband), Wimax (World Interoperability for Microwave Access), HSDPA (High Speed Downlink Packet Access) and the like can be used as wireless Internet technologies.

The short-range communication module 114 refers to a module for short-range communication. Bluetooth, Radio Frequency Identification (RFID), infrared data association (IrDA), Ultra Wideband (UWB), ZigBee, and the like can be used as a short range communication technology.

The position information module 115 is a module for obtaining the position of the mobile terminal, and a representative example thereof is a Global Position System (GPS) module.

Referring to FIG. 1, an A / V (Audio / Video) input unit 120 is for inputting an audio signal or a video signal, and may include a camera 121 and a microphone 122. The camera 121 processes image frames such as still images or moving images obtained by the image sensor in the video communication mode or the photographing mode. The processed image frame can be displayed on the display unit 151. [

The image frame processed by the camera 121 may be stored in the memory 160 or transmitted to the outside through the wireless communication unit 110. [ More than one camera 121 may be provided depending on the use environment.

The microphone 122 receives an external sound signal through a microphone in a communication mode, a recording mode, a voice recognition mode, or the like, and processes it as electrical voice data. The processed voice data can be converted into a form that can be transmitted to the mobile communication base station through the mobile communication module 112 when the voice data is in the call mode, and output. Various noise reduction algorithms may be implemented in the microphone 122 to remove noise generated in receiving an external sound signal.

The user input unit 130 generates input data for a user to control the operation of the terminal. The user input unit 130 may include a key pad dome switch, a touch pad (static / static), a jog wheel, a jog switch, and the like.

The sensing unit 140 senses the current state of the mobile terminal 100 such as the open / close state of the mobile terminal 100, the position of the mobile terminal 100, the presence or absence of user contact, the orientation of the mobile terminal, And generates a sensing signal for controlling the operation of the mobile terminal 100. For example, when the mobile terminal 100 is in the form of a slide phone, it is possible to sense whether the slide phone is opened or closed. It is also possible to sense whether the power supply unit 190 is powered on, whether the interface unit 170 is connected to an external device, and the like. Meanwhile, the sensing unit 140 may include a proximity sensor 141.

The output unit 150 is for generating output related to the visual, auditory or tactile sense and includes a display unit 151, an audio output module 152, an alarm unit 153, and a haptic module 154 .

The display unit 151 displays (outputs) information processed by the mobile terminal 100. For example, when the mobile terminal is in the call mode, a UI (User Interface) or a GUI (Graphic User Interface) associated with a call is displayed. When the mobile terminal 100 is in the video communication mode or the photographing mode, the photographed and / or received video or UI and GUI are displayed.

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

Some of these displays may be transparent or light transmissive so that they can be seen through. This can be referred to as a transparent display, and a typical example of the transparent display is TOLED (Transparent OLED) and the like. The rear structure of the display unit 151 may also be of a light transmission type. With this structure, the user can see an object located behind the terminal body through the area occupied by the display unit 151 of the terminal body.

There may be two or more display units 151 according to the embodiment of the mobile terminal 100. For example, in the mobile terminal 100, a plurality of display portions may be spaced apart from one another or may be disposed integrally with each other, or may be disposed on different surfaces.

(Hereinafter, referred to as a 'touch screen') in which a display unit 151 and a sensor (hereinafter, referred to as 'touch sensor') that detects a touch operation form a mutual layer structure, It can also be used as an input device. The touch sensor may have the form of, for example, a touch film, a touch sheet, a touch pad, or the like.

The touch sensor may be configured to convert a change in a pressure applied to a specific portion of the display unit 151 or a capacitance generated in a specific portion of the display unit 151 into an electrical input signal. The touch sensor can be configured to detect not only the position and area to be touched but also the pressure at the time of touch.

If there is a touch input to the touch sensor, the corresponding signal (s) is sent to the touch controller. The touch controller processes the signal (s) and transmits the corresponding data to the controller 180. Thus, the control unit 180 can know which area of the display unit 151 is touched or the like.

Referring to FIG. 1, a proximity sensor 141 may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is surrounded by the touch screen. The proximity sensor refers to a sensor that detects the presence or absence of an object approaching a predetermined detection surface or a nearby object without mechanical contact using the force of an electromagnetic field or infrared rays. The proximity sensor has a longer life span than the contact sensor and its utilization is also high.

Examples of the proximity sensor 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 capacitive proximity sensor, a magnetic proximity sensor, and an infrared proximity sensor. And to detect the proximity of the pointer by the change of the electric field along the proximity of the pointer when the touch screen is electrostatic. In this case, the touch screen (touch sensor) may be classified as a proximity sensor.

Hereinafter, for convenience of explanation, the act of recognizing that the pointer is positioned on the touch screen while the pointer is not in contact with the touch screen is referred to as "proximity touch & The act of actually touching the pointer on the screen is called "contact touch. &Quot; The position where the pointer is proximately touched on the touch screen means a position where the pointer is vertically corresponding to the touch screen when the pointer is touched.

The proximity sensor detects a proximity touch and a proximity touch pattern (e.g., a proximity touch distance, a proximity touch direction, a proximity touch speed, a proximity touch time, a proximity touch position, a proximity touch movement state, and the like). Information corresponding to the detected proximity touch operation and the proximity touch pattern may be output on the touch screen.

The audio output module 152 may output audio data received from the wireless communication unit 110 or stored in the memory 160 in a call signal reception mode, a call mode or a recording mode, a voice recognition mode, a broadcast reception mode, The sound output module 152 also outputs sound signals related to functions (e.g., call signal reception sound, message reception sound, etc.) performed in the mobile terminal 100. [ The audio output module 152 may include a receiver, a speaker, a buzzer, and the like.

The alarm unit 153 outputs a signal for notifying the occurrence of an event of the mobile terminal 100. Examples of events that occur in the mobile terminal include call signal reception, message reception, key signal input, touch input, and the like. The alarm unit 153 may output a signal for informing occurrence of an event in a form other than a video signal or an audio signal, for example, vibration. The video signal or the audio signal may be output through the display unit 151 or the audio output module 152 so that they may be classified as a part of the alarm unit 153.

The haptic module 154 generates various tactile effects that the user can feel. A typical example of the haptic effect generated by the haptic module 154 is vibration. The intensity and pattern of the vibration generated by the hit module 154 can be controlled. For example, different vibrations may be synthesized and output or sequentially output.

In addition to the vibration, the haptic module 154 may include a pin arrangement vertically moving with respect to the contact skin surface, a spraying force or a suction force of the air through the injection port or the suction port, a touch on the skin surface, contact with an electrode, And various tactile effects such as an effect of reproducing a cold sensation using an endothermic or exothermic element can be generated.

The haptic module 154 can be implemented not only to transmit the tactile effect through the direct contact but also to allow the user to feel the tactile effect through the muscular sensation of the finger or arm. The haptic module 154 may include two or more haptic modules 154 according to the configuration of the portable terminal 100.

The memory 160 may store a program for the operation of the controller 180 and temporarily store input / output data (e.g., a phone book, a message, a still image, a moving picture, etc.). The memory 160 may store data on vibration and sound of various patterns outputted when a touch is input on the touch screen.

The memory 160 may be a flash memory type, a hard disk type, a multimedia card micro type, a card type memory (for example, SD or XD memory), a RAM (Random Access Memory), SRAM (Static Random Access Memory), ROM (Read Only Memory), EEPROM (Electrically Erasable Programmable Read-Only Memory), PROM A disk, and / or an optical disk. The mobile terminal 100 may operate in association with a web storage that performs a storage function of the memory 160 on the Internet.

The interface unit 170 serves as a path for communication with all external devices connected to the mobile terminal 100. The interface unit 170 receives data from an external device or supplies power to each component in the mobile terminal 100 or transmits data to the external device. For example, a wired / wireless headset port, an external charger port, a wired / wireless data port, a memory card port, a port for connecting a device having an identification module, an audio I / O port, A video input / output (I / O) port, an earphone port, and the like may be included in the interface unit 170.

The identification module is a chip for storing various information for authenticating the use right of the mobile terminal 100 and includes a user identification module (UIM), a subscriber identity module (SIM), a general user authentication module A 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 a smart card format. Accordingly, the identification device can be connected to the terminal 100 through the port.

When the mobile terminal 100 is connected to an external cradle, the interface unit may be a path through which power from the cradle is supplied to the mobile terminal 100, or various command signals input by the user to the cradle may be transmitted It can be a passage to be transmitted to the terminal. The various command signals or the power source input from the cradle may be operated as a signal for recognizing that the mobile terminal is correctly mounted on the cradle.

The controller 180 typically controls the overall operation of the mobile terminal. For example, voice communication, data communication, video communication, and the like. The control unit 180 may include a multimedia module 181 for multimedia playback. The multimedia module 181 may be implemented in the control unit 180 or may be implemented separately from the control unit 180. [

The controller 180 may perform a pattern recognition process for recognizing handwriting input or drawing input performed on the touch screen as characters and images, respectively.

The power supply unit 190 receives external power and internal power under the control of the controller 180 and supplies power necessary for operation of the respective components.

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

According to a hardware implementation, the embodiments described herein may be implemented as application specific integrated circuits (ASICs), digital signal processors (DSPs), digital signal processing devices (DSPDs), programmable logic devices (PLDs), field programmable gate arrays May be implemented using at least one of a processor, controllers, micro-controllers, microprocessors, and other electronic units for performing other functions. In some cases, The embodiments described may be implemented by the control unit 180 itself.

According to a software implementation, embodiments such as the procedures and functions described herein may be implemented with separate software modules. Each of the software modules may perform one or more of the functions and operations described herein. Software code can be implemented in a software application written in a suitable programming language. The software code is stored in the memory 160 and can be executed by the control unit 180. [

2A is a perspective view of an example of a mobile terminal or a mobile terminal according to the present invention.

The disclosed mobile terminal 100 has a bar-shaped terminal body. However, the present invention is not limited thereto, and can be applied to various structures such as a slide type, a folder type, a swing type, and a swivel type in which two or more bodies are relatively movably coupled.

The body includes a case (a casing, a housing, a cover, and the like) which forms an appearance. In this embodiment, the case may be divided into a front case 101 and a rear case 102. [ A variety of electronic components are embedded in the space formed between the front case 101 and the rear case 102. At least one intermediate case may be additionally disposed between the front case 101 and the rear case 102. [

The cases may be formed by injection molding a synthetic resin or may be formed to have a metal material such as stainless steel (STS) or titanium (Ti) or the like.

The display unit 151, the sound output unit 152, the camera 121, the user input units 130/131 and 132, the microphone 122, the interface 170, and the like may be disposed in the front body 101 have.

The display unit 151 occupies most of the main surface of the front case 101. A sound output unit 151 and a camera 121 are disposed in an area adjacent to one end of both ends of the display unit 151 and a user input unit 131 and a microphone 122 are disposed in an area adjacent to the other end. The user input unit 132 and the interface 170 may be disposed on the side surfaces of the front case 101 and the rear case 102. [

The user input unit 130 is operated to receive a command for controlling the operation of the portable terminal 100 and may include a plurality of operation units 131 and 132. The operation units 131 and 132 may be collectively referred to as a manipulating portion and may be employed in any manner as long as the user operates in a tactile manner.

The contents inputted by the first or second operation unit 131 or 132 may be variously set. For example, the first operation unit 131 receives commands such as start, end, scroll, and the like, and the second operation unit 132 controls the size of the sound output from the sound output unit 152 or the size of the sound output from the display unit 151 To the touch recognition mode of the touch screen.

FIG. 2B is a rear perspective view of the portable terminal shown in FIG. 2A.

Referring to FIG. 2B, a camera 121 'may be further mounted on the rear surface of the terminal body, that is, the rear case 102. The camera 121 'may have a photographing direction substantially opposite to the camera 121 (see FIG. 2A), and may be a camera having different pixels from the camera 121.

For example, the camera 121 may have a low pixel so that the face of the user can be photographed and transmitted to the other party in case of a video call or the like, and the camera 121 ' It is preferable to have a large number of pixels. The cameras 121 and 121 'may be installed in the terminal body so as to be rotatable or pop-upable.

A flash 123 and a mirror 124 are additionally disposed adjacent to the camera 121 '. The flash 123 illuminates the subject when the subject is photographed by the camera 121 '. The mirror 124 allows the user to illuminate the user's own face or the like when the user intends to shoot himself / herself (self-photographing) using the camera 121 '.

An acoustic output 152 'may be additionally disposed on the rear surface of the terminal body. The sound output unit 152 'may implement the stereo function together with the sound output unit 152 (see FIG. 2A), and may be used for the implementation of the speakerphone mode during a call.

In addition to the antenna for talking and the like, a broadcast signal reception antenna 116 may be additionally disposed on the side of the terminal body. The antenna 116, which forms part of the broadcast receiving module 111 (see FIG. 1), can be installed to be able to be drawn out from the terminal body.

A power supply unit 190 for supplying power to the portable terminal 100 is mounted on the terminal body. The power supply unit 190 may be built in the terminal body or may be detachable from the outside of the terminal body.

The rear case 102 may further include a touch pad 135 for sensing a touch. The touch pad 135 may also be of a light transmission type like the display unit 151. [ In this case, if the display unit 151 is configured to output time information on both sides, the time information can be recognized through the touch pad 135 as well. The information output on both sides may be all controlled by the touch pad 135. [ Alternatively, a display may be additionally mounted on the touch pad 135, and a touch screen may be disposed on the rear case 102 as well.

The touch pad 135 operates in correlation with the display portion 151 of the front case 101. The touch pad 135 may be disposed parallel to the rear of the display unit 151. The touch pad 135 may have a size equal to or smaller than that of the display unit 151.

Various types of time information can be displayed on the display unit 151. [ These pieces of information can be displayed in the form of letters, numbers, symbols, graphics, or icons. At least one of the letters, numbers, symbols, graphics, or icons may be displayed in a predetermined arrangement for inputting such information, thereby being implemented as a keypad. Such a keypad may be called a so-called " soft key ".

Hereinafter, embodiments related to a control method that can be implemented in the terminal configured as above will be described with reference to the accompanying drawings. The following embodiments can be used alone or in combination with each other. In addition, the embodiments described below may be used in combination with the above-described user interface (UI).

The present invention provides various methods related to the e-book viewing function.

The e-book is also called a digital book, and it is composed of electronic files so that it can be read out and read at any time from a portable small mobile terminal. Unlike a paper book, the e-book can quickly search for information, directly modify the information, or change the content to the latest contents, and can include not only text but also multimedia information such as sound or image. In addition, the e-book is not a simple electronic document (for example, a Word file, a PDF file, a text file, etc.) but a book constructed so that digital rights management (DRM) is added to prevent illegal copy and unauthorized distribution. In addition, there is an advantage that it is possible to carry over hundreds of electronic books according to the memory capacity of the mobile terminal.

The program for displaying the electronic book is referred to as an " electronic book reader ".

The e-book reader can display all types of information (e. G., Text, sound, images, hyperlink information, movies, notes, highlights, bookmarks, etc.) contained in the e-book.

The user can select and display the desired e-book after launching the e-book reader. In order to select the e-book, the user performs a menu call, an e-book retrieval menu selection, a folder in which the e-book is stored, an e-book list displayed in the selected folder, a desired e-book selection process in the e-book list do. When the user selects a desired electronic book as described above, the control unit 180 or 180 loads the selected electronic book from the memory 160 and displays the selected electronic book on the screen of the electronic book reader.

Hereinafter, functions that can be performed during display of an electronic book as described above will be described with reference to the accompanying drawings.

FIG. 3 is a flowchart of displaying a plurality of electronic books in the mobile terminal.

(Hereinafter referred to as a first electronic book 201) is displayed on the display unit 151 by the user in the user input unit 130 as described above (hereinafter referred to as a second electronic book 202) The control unit 180 displays the first and second electronic books on the display unit 151 according to the screen view determined by the user setting at step S500.

The second e-books 202 and 203 to be additionally displayed may be displayed by selecting two or more e-books at the same time, and one second e-book 202 and 203 may be selected and displayed after the second e-books 202 and 203 are selected and displayed.

The second electronic book 202 is selected by a method of selecting from a list using an additional opening or the like to be described later (S310), selecting a keyword from a search result list (S320), or selecting a linked character string (S330) Can be input.

If there is an input of the second electronic book 202, the control unit 180 determines whether the first electronic book 201 is closed and the second electronic book 202 is to be displayed (newly opened) (Hereinafter referred to as "additional opening"), and waits for the user's input (S400). The controller 180 closes the first e-book 201 and displays the second e-book 202 (S420). When the user selects to open the first e-book 201, (S500).

4A is an exemplary view of a user setting screen related to a screen view.

The user can change the screen view before displaying the second e-book 202 or displaying the first and second e-books 201 and 202 by changing the user setting. For example, when the user selects menu → user setting → screen view in a state displaying the first and second electronic books 201 and 202, a possible screen view list 401 to 405 is displayed and a selection of the user is waited for . When the user selects one from the above list, the first and second electronic books 201 and 202 being displayed are changed and displayed according to the changed screen view.

Figures 4b-4f are illustrations of screen views that may be set by the user.

The horizontal division (see FIG. 4B) displays the first electronic book 201 and the second electronic book 202 by disposing the display part 151 in a horizontal direction.

The longitudinal division (see FIG. 4C) displays the first electronic book 201 and the second electronic book 202 by horizontally dividing the display unit 151 by arranging them left and right.

The second electronic book 202 is horizontally divided (see FIG. 4D). When the second electronic book 202 is two or more, the display unit 151 is vertically divided to display the first electronic book 201 on one side, One is divided horizontally, and the second electronic book 202 is displayed on each of them.

The second electronic book 202 is longitudinally divided (see FIG. 4E). When the second electronic books 202 and 203 are two or more, the display unit 151 is divided horizontally to display the first electronic book 201 on one side, One is vertically divided and the second electronic books 202 and 203 are displayed on each of them.

The division boundary line 411 can be changed by the user. For example, you can set the location of the split border in your user settings. Alternatively, if the user touches and drags the boundary lines during the first and second e-book displays, the screen is re-divided according to the changed boundary lines and displayed (step 413).

Tab view (refer to FIG. 4F) displays tabs 420 and 421 of first and second e-books on one side of the display unit 151 and displays only the electronic book of the tab 420 selected by the user on the screen. When another displayed tab 421 is selected, the electronic book displayed on the screen is switched to another electronic book selected and displayed.

The first and second e-books 201 and 202 displayed in the above-described manner can be individually activated by the user's selection to enable title display, page turnover, input of other menu keys, and also to close individually displayed windows. For example, if the user touches one of the divided screens 413, the title of the touched e-book may be displayed on one side or overlaid on the screen 412, and the page of the touched e-book may be turned over The display of the e-book can be stopped.

5 is an exemplary view illustrating a process of selecting a second electronic book 202 in the electronic book list 520 by inputting a menu key 500. FIG.

The menu 500 may be configured in a variety of ways.

Referring to FIG. 5A, in order to further display the second electronic book 202 in the display of the first electronic book 201, the 'new opening 501' and the 'additional opening 502' You can leave the menu separate. When the user inputs the 'additional opening 501', the controller 180 displays a list of electronic books stored in the memory 160 on the display unit 151 (operation 520). When the user selects one or more second electronic books 202 from the list, the control unit 180 displays the second electronic books 202 on the display unit 151 together with the first electronic book 201 according to the screen view, .

Referring to FIG. 5B, if the 'Open' menu is input from the user (S311) while only the 'Open' menu is selected as a sub menu of the menu 500, And displays the list on the display unit 151 (S312). When the user selects one or more second e-books 202 from the list (S313), the control unit 180 determines whether the first e-book 201 is closed and the second e-book 202 is displayed (New opening), or additionally displays on one screen (opening additional), and waits for the user's input (S400). When the user selects 'New Open', the control unit 180 closes the first electronic book 201 and displays the second electronic book 202 (S420). When the user selects 'Open additional' 2 Electronic books are displayed together (S500).

Referring to FIG. 5C, a menu (hereinafter referred to as a list view) for displaying a list of electronic books stored in the memory 160

The controller 180 displays a list on the display unit 151 and waits for selection from the user at step S317. The user can display the first and second e-books together by selecting the second e-book 202 from the list and selecting the 'Add Open' or 'Open' of the menu (S500)

FIG. 6A is a flowchart of a process of searching for a keyword, selecting a second e-book 202 from a search result list, and displaying the selected second e-book.

When the first e-book 201 is displayed (in some cases, the first e-book 201 is not displayed), the controller 180 receives the keyword from the user (S600) (S620), and displays the search result list on the display unit 151 (S630). When the user selects the second electronic book 202 in step S640, the controller 180 displays the second electronic book 202 on the display unit 151 according to the set screen view in step S500.

6B is an exemplary diagram illustrating a process of a user inputting a keyword using a search window.

When the user selects the search menu 601, the control unit 180 displays the search window 602 on the display unit 151 and waits for a keyword input from the user. When the user inputs a keyword into the search window 603 using the keypad or soft key, and inputs the input complete key 604, the control unit 180 searches for the keyword.

6C is an exemplary diagram illustrating a process in which a user drags a keyword in the first e-book 201 in a state in which a character can be selected.

For example, if a user activates a character selection tool to select a character of a displayed e-book, touches a finger on the touch screen, and dragging a portion where the keyword is located (660) . Thereafter, when the user inputs a search execution key, the control unit 180 searches for the search execution key.

For example, the user activates a character selection tool 661 that can select a character of the displayed e-book, touches a finger on the touch screen, and dragging a portion where the keyword is located (660) (670). Thereafter, when the user inputs a search menu 601, the controller 180 displays the search window 606 displayed with the keyword selected by dragging on the display 151 and waits for a keyword input from the user (680). When the user inputs (or may not input) a keyword to the search window using the keypad or the soft key, the control unit 180 searches for the input completion key.

When the input of the keyword is completed, the control unit 180 may display a message asking for the search range on the display unit 151 before searching. The control unit 180 displays the list of e-books stored in the memory 160 and waits for selection of an e-book to be searched by the user (S610). When the user selects an electronic book to be searched (S611), the control unit 180 searches the keyword only in the selected electronic book (S620).

When the search is completed, the control unit 180 generates a search result list and displays the search result list on the display unit 151 (S630). The search result list may include a title (641) of an e-book including a keyword, a page number (642) at which the keyword is located, a paragraph portion (643) including keywords, and the like (640). For example, when a user selects one of the lists by touching on the touch screen, the user can display information on the list (e.g., title, page, entire paragraph) in a pop-up window.

The user can select one of the search result lists as the second electronic book 202 (S640) and display the selected one with the first electronic book 201 (S500). For example, if the user selects one of the lists and selects either the 'Open' menu or the 'Add Open' menu, or touches or double-clicks one on the touch screen, the controller 180 displays the selected second e- Is displayed on the display unit 151. Also, as described above, it may further include a process of waiting for a selection by displaying a message asking whether it is 'new opening' or 'additional opening'.

In displaying the second electronic book 202, the control unit 180 may display a page or a short paragraph where the keyword displayed in the selected list is located (650). In addition, the keywords included in the second electronic book 202 can be represented by unusual fonts, underlines, shadows, highlights, or square boxes 650, unlike other strings. Further, the user can link the keyword of the first electronic book 201 and the specific object including the keyword in the second electronic book 202 by using a link function to be described later.

FIG. 7A is an example of displaying the first and second e-books by receiving a linked second e-book 202 by selecting a link string.

The character string 705 in which the link is set during the display of the first electronic book 201 may be represented by a unique font, an underline 701, a shade, a highlight, a square box or the like.

The user can display the linked information 706 on the pop-up window 711 by selecting the linked string 705 (for example, touching the corresponding character string 705 on the touch screen 702).

When the user selects the linked string 705 (for example, by double-clicking the string on the touch screen 703), the controller 180 displays the linked second e-book 202 in accordance with the set screen view do. In addition, as described above, it may further include a process of waiting for a selection by displaying a message asking whether it is 'new open' or 'additional open' (S400). In displaying the second electronic book 202, the control unit 180 determines whether or not the linked object 706 (only the second electronic book 202 is specified, or the specific location of the second electronic book 202, Paragraph or a specific string). In addition, the connection target of the second electronic book 202 may be represented by a unique font, an underline, a shade, a highlight, a square box, or the like, unlike other strings (721).

FIG. 7B is an example of a link setting process.

With the first and second e-books displayed, the user can touch a specific position in the second e-book 202 (which may be the first e-book 201), activate the character selection tool, A specific character string or a paragraph is dragged to select (connect target 706) (step 730), and a specific character string of the first e-book 201 (which may be the second e-book 202) The control unit 180 links the character string 705 and the connection target 706 to each other by referring to the character string to be set and the link object to which the link is to be set, It is stored in the e-book 201 file or in a separate electronic file linked with the first author book file, and the link mark 701 is displayed on the link string as described above.

As another example (see FIG. 7C), the user activates a character selection tool that can select a character of the displayed e-book (S710) and touches a finger on the touch screen to drag a portion where a specific character string is located. (S720). Then, when the user inputs a link menu (S730), the control unit 180 displays a connection target input window on the display unit 151 and waits for the user's input (S740). When the user inputs a connection target in the input window at step S750, the control unit 180 links the character string of the first electronic book 201 and the connection target and stores the information in the first electronic book 201 file In a separate electronic file linked with the file of the first electronic book 201, and displays the link as described above in the character string in which the link is set (S760).

In the foregoing, preferred embodiments of the present invention have been described with reference to the accompanying drawings.

Here, the terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary meanings, but should be construed as meaning and concept consistent with the technical idea of the present invention.

Therefore, the embodiments described in the present specification and the configurations shown in the drawings are merely the most preferred embodiments of the present invention, and not all of the technical ideas of the present invention are described. Therefore, It should be understood that various equivalents and modifications may be present.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.

2A is a front perspective view of a portable terminal according to an embodiment of the present invention.

2B is a rear perspective view of a portable terminal according to an embodiment of the present invention.

3 is a flowchart showing a plurality of electronic books displayed on the mobile terminal.

4A is an exemplary view of a user setting screen related to a screen view.

Figures 4B-4F are illustrations of screen views that may be set by the user.

5A to 5C are flowcharts of a process of inputting a menu key to select a second electronic book from an electronic book list.

6A is a flowchart of a process of searching for a keyword, selecting a second electronic book from a search result list, and displaying the selected second electronic book.

6B is an exemplary diagram illustrating a process of a user inputting a keyword using a search window.

6C is an exemplary diagram illustrating a process in which a user drags a keyword in the first electronic book and inputs the keyword.

FIG. 7A is an example of displaying first and second e-books by receiving a linked second electronic book by selecting a link-set character string.

7B to 7C are exemplary diagrams of a link establishment process.

Claims (20)

Displaying a first electronic book on the screen; Receiving at least one second electronic book to be displayed in a state that the first electronic book is displayed; And displaying the first and second electronic books on the screen according to a predetermined screen view, In the screen view, The second electronic book is horizontally divided, the second electronic book is horizontally divided, the second electronic book is longitudinally divided, and the tab-oriented view. The method according to claim 1, Further comprising the step of receiving a selection from a user by displaying a message on a screen asking whether to display the second electronic book together with the first electronic book after receiving the second electronic book . delete The method according to claim 1, And displaying the possible screen viewing mode to receive a selection from the user and change the screen view. The method according to claim 1, And displaying the title of the electronic book if one of the displayed electronic books is selected. The method according to claim 1, wherein the step of receiving the second e- Detecting key input related to additional opening; Displaying a list of pre-stored electronic books when the key input is detected; And receiving at least one of the displayed list from a user. The method according to claim 1, wherein the step of receiving the second e- Receiving a keyword from a user; Searching the pre-stored electronic book for the input keyword; Displaying the search result list; and And receiving at least one of the displayed list from a user. 8. The method of claim 7, wherein displaying the first and second e-books comprises: And displaying the second e-book from a position containing the keyword when displaying the second electronic book. The method as claimed in claim 7, Wherein the user inputs at least one of a character string input by a user using a character key in a search window displayed on a screen or a character string selected by dragging a user from the first electronic book. 8. The method according to claim 7, Steps to display a list of eBooks Receiving at least one electronic book selected by the user from the list; And searching for a keyword in the selected e-book. 8. The method according to claim 7, A title of the searched e-book, a position where the keyword is displayed, and a part of a paragraph including the keyword. The method according to claim 1, wherein the step of receiving the second e- And a character string to which a link is set to the second electronic book is selected from the user. 13. The method of claim 12, wherein displaying the first and second e-books comprises: Wherein the second electronic book is displayed from a position connected to the second electronic book by the link. 13. The method of claim 12, Receiving a connection target of a specific character string of the first electronic book and the second electronic book from a user; Linking the connection object to the character string; And linking the character string to the character string. 15. The method of claim 14, Dragging and selecting a connection object of the second electronic book in a state in which the first and second electronic books are displayed; And dragging the selected connection object to the character string. 15. The method of claim 14, The step of displaying the link includes: And displaying the link information according to a specific input of the character string. A display unit; A control unit for displaying the first and second electronic books on the display unit according to a predetermined screen view when a first electronic book is displayed on the display unit and at least one second electronic book to be displayed is input in a user input unit, / RTI > The second electronic book comprises: Wherein a character string to which a link from the user to the second electronic book is set is received from the user input unit. 18. The electronic book reader according to claim 17, Wherein the control unit displays a list of pre-stored electronic books on the display unit when the controller detects a key input related to the additional opening in the user input unit, and receives at least one of the displayed lists from the user input unit. terminal. 18. The electronic book reader according to claim 17, When the control unit receives the input of the keyword from the user input unit, the keyword is searched in the base e-book, the search result list is displayed on the display unit, and at least one of the displayed list is selected from the user in the user input unit And receives the input. delete

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