KR101840196B1 - Mobile terminal and method for controlling thereof - Google Patents

Abstract

The present invention relates to a mobile terminal capable of providing an e-book browsing environment in which various information can be shared with other users and a control method thereof.

Description

[0001] MOBILE TERMINAL AND METHOD FOR CONTROLLING THEREOF [0002]

The present invention relates to a mobile terminal capable of providing an e-book browsing environment in which various information can be shared with other users 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.

Description of the Related Art [0002] In recent years, viewing of e-books on mobile terminals has become commonplace. An e-book can be a file of a special format that can be viewed on a portable device (mobile phone, PMP, PDA, etc.) or a computer. Generally, when referring to an e-book, it refers to a file having a special format that can carry DRM function for copyright protection, not a general-purpose file format such as a text file. Recently, as the social network service (SNS) has been activated, there has been an increasing need to share information about e-books with other users, rather than simply reading e-books personally. Accordingly, there is a need for a mobile terminal and a control method thereof that can more conveniently share information related to an e-book with other users.

The present invention provides a mobile terminal capable of browsing an electronic book more conveniently and a control method thereof.

In addition, the present invention provides a mobile terminal and a control method thereof that can conveniently share electronic book information with other users.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory and are not intended to limit the invention to the precise forms disclosed. It will be possible.

A mobile terminal according to an embodiment of the present invention for realizing the above-mentioned problems includes a touch screen; A communication module for receiving e-book information including a list of e-books held on a user-to-user basis; A memory unit for storing at least one electronic book; And a control unit for controlling the display unit to display at least one electronic book stored in the first area on the touch screen and at least one electronic book included in the list of electronic books held for each user on a second area on the touch screen, . ≪ / RTI >

According to another aspect of the present invention, there is provided a method of controlling a mobile terminal, including: displaying at least one electronic book stored in a memory for storing at least one electronic book on a first area on a touch screen; Receiving e-book information including a list of electronic books held on a user-by-user basis via a communication module; And displaying at least one electronic book contained in the list of electronic books held by the received user on a second area on the touch screen.

In the above mobile terminal and its control method, the electronic book information includes bookmark information of each electronic book included in the list, copyright information of each electronic book, comment information created by the user in each electronic book, And the viewing page information of each electronic book of the electronic book, and various functions may be performed through such information.

Through the mobile terminal according to at least one embodiment of the present invention configured as described above, the user can browse the e-book more conveniently.

In addition, a variety of information can be acquired through sharing of e-book reading status with other users, e-book information such as a memo, bookmark, and the like.

The effects obtained by the present invention are not limited to the above-mentioned effects, and other effects not mentioned can be clearly understood by those skilled in the art from the following description will be.

1 is a block diagram of a mobile terminal according to an embodiment of the present invention.
2 is a front perspective view of a mobile terminal according to an embodiment of the present invention.
3 is a front view of a mobile terminal for explaining an operation state of the mobile terminal according to the present invention.
4 is a display state diagram illustrating an example of a list of electronic books displayed on a mobile terminal according to an exemplary embodiment of the present invention.
FIG. 5 is a display state diagram illustrating an example of an electronic book information of other users registered in a user's account in a mobile terminal according to an exemplary embodiment of the present invention.
6 is a display state diagram illustrating an example of a form in which a bookcase of a friend is displayed in a mobile terminal according to an embodiment of the present invention.
7 is a display state diagram illustrating an example of a form in which a friend's e-book information is shared in a bookcase of a user in a mobile terminal according to an embodiment of the present invention.
8 is a display state diagram illustrating an example of a form in which a friend's e-book information is shared in a bookcase of a user in a mobile terminal according to an exemplary embodiment of the present invention.
9 is a display state diagram illustrating an example of a form in which a corresponding book is displayed on a bookcase of a user when the same electronic book is present in the electronic book information of a friend in the mobile terminal according to an embodiment of the present invention.
FIG. 10 is a display state diagram showing an example of a form in which a book held as one of statistical functions using electronic book information is displayed in a mobile terminal according to an exemplary embodiment of the present invention.
11 is a display state diagram illustrating an example of a selection menu for selectively receiving e-book information of a friend in a mobile terminal according to an exemplary embodiment of the present invention.
12 is a display state diagram illustrating an example of a three-dimensional display of a bookcase for displaying an electronic book list in a mobile terminal according to an exemplary embodiment of the present invention.
13A and 13B are display state diagrams showing an example of a mode in which a bookmark collection view function is displayed in a mobile terminal according to an embodiment of the present invention.
14A to 14C show an example of a form in which a writer tree is displayed in a mobile terminal according to an embodiment of the present invention.
FIG. 15 shows an example of a method for displaying a plurality of bookmarks or highlights set for the same book to a user in a mobile terminal according to an embodiment of the present invention.
FIG. 16 shows an example of a method of displaying a plurality of notes / comments set for a specific portion of the same book to a user in a mobile terminal according to an embodiment of the present invention.
17 shows another example of a method of displaying a plurality of memos / comments set for a specific part of the same book to a user in a mobile terminal according to an embodiment of the present invention.
18 shows an example of a method of specifying contents of an electronic book displayed on a mobile terminal and linking with a social network according to an embodiment of the present invention.
19A to 19C show an example of a method of displaying a copyright protected electronic book in fetching e-book information from a friend's bookcase in a mobile terminal according to an embodiment of the present invention.

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 includes a mobile phone, a smart phone, a laptop computer, a digital broadcasting terminal, a PDA (Personal Digital Assistants), a PMP (Portable Multimedia Player), a navigation system, . 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.

Overall configuration

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 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 an image frame such as a still image or moving image 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. [ Two or more cameras 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 an output relating to visual, auditory or tactile sense and includes a display unit 151, an acoustic output module 152, an alarm unit 153, a haptic module 154, 155), and the like.

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 for sensing a touch operation (hereinafter, referred to as 'touch sensor') 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.

The proximity sensor 141 may be disposed in an inner region of the mobile terminal or in the vicinity of the touch screen, which is enclosed 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 notifying the occurrence of an event in a form other than the video signal or the 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 projector module 155 is a component for performing an image project function using the mobile terminal 100 and is similar to the image displayed on the display unit 151 in accordance with a control signal of the controller 180 Or at least partly display another image on an external screen or wall.

Specifically, the projector module 155 includes a light source (not shown) that generates light (for example, laser light) for outputting an image to the outside, a light source And a lens (not shown) for enlarging and outputting the image at a predetermined focal distance to the outside. Further, the projector module 155 may include a device (not shown) capable of mechanically moving the lens or the entire module to adjust the image projection direction.

The projector module 155 can be divided into a CRT (Cathode Ray Tube) module, an LCD (Liquid Crystal Display) module and a DLP (Digital Light Processing) module according to the type of the display means. In particular, the DLP module may be advantageous for miniaturization of the projector module 151 by enlarging and projecting an image generated by reflecting light generated from a light source on a DMD (Digital Micromirror Device) chip.

Preferably, the projector module 155 may be provided longitudinally on the side, front or back side of the mobile terminal 100. It goes without saying that the projector module 155 may be provided at any position of the mobile terminal 100 as occasion demands.

The memory unit 160 may store a program for processing and controlling the control unit 180 and temporarily store the input / output data (e.g., telephone directory, message, audio, For example. The memory unit 160 may also store the frequency of use of each of the data (for example, each telephone number, each message, and frequency of use for each multimedia). In addition, the memory unit 160 may store data on vibration and sound of various patterns output when the 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. Devices with identification modules (hereinafter referred to as "identification devices") can 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. [

Organization description

FIG. 2 is a perspective view of a mobile terminal or a portable terminal according to the present invention, as viewed from the front.

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.

Front touch

Hereinafter, a related operation of the display unit 151 and the touch pad 135 will be described with reference to FIG.

3 is a front view of a portable terminal for explaining an operation state of the portable terminal according to the present invention.

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 referred to as a so-called " virtual keypad ".

3 illustrates inputting of a touch applied to the virtual keypad through the front surface of the terminal body.

The display unit 151 may operate as an entire area or may be divided into a plurality of areas and operated. In the latter case, the plurality of areas can be configured to operate in association with each other.

For example, an output window 151a and an input window 151b are displayed on the upper and lower portions of the display unit 151, respectively. The output window 151a and the input window 151b are areas allocated for outputting or inputting information, respectively. In the input window 151b, a virtual keypad 151c is displayed in which a number for inputting a telephone number or the like is displayed. When the virtual keypad 151c is touched, numbers and the like corresponding to the touched virtual keypad are displayed on the output window 151a. When the first operation unit 131 is operated, call connection to the telephone number displayed on the output window 151a is attempted.

The display unit 151 or the touch pad 135 may be configured to receive a touch input by scrolling, as well as the input method described in the above embodiments. The user can move a cursor or a pointer located on an object displayed on the display unit 151, for example, an icon or the like, by scrolling the display unit 151 or the touch pad 135. [ Further, when the finger is moved on the display portion 151 or the touch pad 135, the path along which the finger moves may be visually displayed on the display portion 151. [ This will be useful for editing the image displayed on the display unit 151. [

One function of the terminal may be executed in response to a case where the display unit 151 (touch screen) and the touch pad 135 are touched together within a predetermined time range. In the case of being touched together, there may be a case where the user clamps the terminal body using the thumb and index finger. The one function may be activation or deactivation of the display unit 151 or the touch pad 135, for example.

On the other hand, an arrow or finger-shaped graphic for pointing a specific object or selecting a menu in the display unit is called a pointer or a cursor. However, in the case of a pointer, it often means a finger or a stylus pen for a touch operation or the like. Therefore, in this specification, a graphic displayed on the display unit is referred to as a cursor, and a physical means for performing a touch, a proximity touch, and a gesture, such as a finger or a stylus pen, is referred to as a pointer.

The mobile terminal according to the present invention described below includes at least one of the components described above with reference to Fig. 1, but is not necessarily limited thereto, and may include more components than those of Fig. 1, . ≪ / RTI > However, for convenience, it is assumed that the display unit 151 of the mobile terminal 100 according to the present invention is a touch screen.

Sharing eBook information with bookshelves

The mobile terminal according to the present invention may be constituted by an electronic book exclusive terminal method mainly for displaying / browsing an electronic book, and may perform various functions while displaying an electronic book through an application, As shown in FIG.

According to an embodiment of the present invention, e-book related information can be shared among users. Here, the e-book related information may include a list of e-books held by each user, a highlight set for each book, bookmark or memo information, and the like. The e-book related information may be shared wirelessly through the wireless communication unit 110 or wired through the interface unit 170. [ In addition, the sharing of the e-book related information can be performed in real time, periodically, or whenever a user command is issued.

In the present embodiment, it is assumed that a book icon corresponding to each e-book is displayed as if it is arranged in a bookcase in displaying a list of e-books held in the mobile terminal, that is, a user of the mobile terminal. Here, the term "possessed e-book" means not only an electronic book stored in the form of a file in the memory unit 160, but also an external device, a web site, a server or the like via the wireless communication unit 110, It is a concept that includes an e-book that can be. Further, the retention of the e-book may be set to the mobile terminal device specific, or may be set to the user account specific regardless of the device. If the user account is specific, the e-book holding information (for example, a purchase list or a download list) of the user is stored in an external server or a web site. If the user account is the same even if the mobile terminal is changed, The electronic book information held in the mobile terminal can be downloaded to the changed mobile terminal.

FIG. 4 illustrates an example of a list of electronic books displayed on a mobile terminal according to an exemplary embodiment of the present invention.

In FIG. 4, it is assumed that the e-book information of other users is not shared and only the book held by the user is displayed in the list of e-books. It is also assumed that the e-book information is set based on the user account. That is, it is assumed that the user of the mobile terminal according to the present invention uses the corresponding mobile terminal as its own account.

Referring to FIG. 4 (a), a list of electronic books is displayed in a form in which book-shaped icons are arranged in a bookcase. The electronic book list in the form of bookshelves may be displayed as an initial screen when an electronic book reading application is executed or may be displayed as an icon for displaying a book list is selected while browsing an arbitrary electronic book, . For example, when the menu of the internal book 411 is selected in the menu area 410 at the top of the screen displayed through the display unit 151 when the tramp book reading application is executed, a book title type electronic book list 420 ) May be displayed.

Hereinafter, for convenience, the "book list type e-book list" Each book icon placed on the bookcase may correspond to one e-book, and when one of the book icons is selected, a browse mode for the e-book corresponding to the selected book icon may be executed.

The user's book may be categorized according to preset criteria, and tags 441 and 445 for displaying the categorized category may be displayed at the top of the book icon. In addition, a partition 430 may be displayed at the boundary to divide the area in which the book of the category or other user is displayed in the bookcase.

In the mobile terminal according to the embodiment of the present invention, information for identifying another user such as account information or a telephone number is directly inputted or retrieved, and the user visits a bookcase of another user, You can bring it to the bookshelf. An example of a menu configuration for this purpose will be described with reference to Fig. 4 (b).

4 (b), when the user's bookcase is being displayed, when the user selects the internal bookmark menu 411 again, an account addition menu 413 and another bookmark menu 415 ) May be displayed.

When the account addition menu 413 is selected, the user can directly input identification information for identifying another user such as a phone number, an e-mail address, or an account related to the e-book application, thereby adding another user's account. Adding an account here is similar to adding a friend's account in an instant messenger or social network service (SNS).

If another bookcase menu 415 is selected after the account is added, the electronic book information of other users registered in the user's account can be displayed in a predetermined form. This will be described with reference to FIG.

FIG. 5 shows an example of a form in which e-book information of other users registered in a user's account is displayed in a mobile terminal according to an embodiment of the present invention.

In the following description including the description of Fig. 5, in order to more clearly distinguish "user" and "another user" of the mobile terminal according to the present invention, Quot; friend ". 5, a list in which e-book information of friends is listed is referred to as a "friend list ".

Referring to FIG. 5, under the friend indicator 510, electronic book information of friends is listed at the top of the display unit. More specifically, information about a friend (e.g., 513) may display a user name 530, a photo 540, and a representative book icon 550. The user name 530 may be a real name or an alias set in association with an account ID or an account. The photo (540) may serve as the main image of the homepage, and it is not necessarily the photograph of the account user. In addition, the representative book icon may be an icon of a recently purchased book, an icon of a book being recently browsed, or a book icon set by a corresponding account user.

At the bottom of the display unit, not only a friend registered in the user account but also an account of a person, such as a celebrity, provided by a web server or the like may be displayed under the celebrity indicator 520.

When a friend or a celebrity is selected from the above-mentioned friend list, the bookcase set in the account can be displayed. The form in which the bookcase of the friend account is displayed will be described with reference to Fig.

FIG. 6 shows an example of a form in which a bookcase of a friend is displayed in a mobile terminal according to an embodiment of the present invention.

In Fig. 6, it is assumed that "JY.Lee" 511 is selected among the friends shown in Fig. When a friend is selected, icons corresponding to the friend information and the function that can be performed in the bookcase of the friend are displayed on the upper bar of the display unit, and a bookcase of the friend including the book icon held by the friend is displayed on the lower side.

More specifically, the top bar includes a home icon 610 for returning to the user's bookcase, a favorite icon 620 for adding the friend's bookcase to the favorites, an import for importing the book held by the friend into the bookcase of the user An icon 630, a bookmark view icon 640 for viewing a bookmark set by a friend, and a memo & highlight icon 650 for viewing a memo and highlight set by a friend. In addition to the name of the friend and the account ID, the representative picture 660 set by the friend can be displayed as the friend information. In the bookcase, an indicator 670 indicating a book currently being read by a friend may be displayed.

When the import icon 630 is selected, e-book information of the friend including the bookcase of the friend can be transmitted to the user's mobile terminal. In particular, the e-book held by the friend can be moved to the user's bookcase. This will be described with reference to FIG.

FIG. 7 illustrates an example of a form in which a friend's e-book information is shared with a user's bookcase in a mobile terminal according to an exemplary embodiment of the present invention.

Referring to FIG. 7, a total of ten book icons are arranged in a user's bookcase composed of five stages, and a partition 710 is displayed in a third level, and a book icon corresponding to a book held by the user is displayed. At this time, as the e-book information of the friend is shared, book icons held by the friend are displayed on the right side of the partition 710 in the user's bookcase. In addition, a friend name tag 720 indicating a friend's book and a synchronization icon 730 for synchronization can be additionally displayed. When the friend name tag 720 is selected, a shortcut to the bookmark of the friend can be performed. If the synchronization icon 730 is selected, the friend's electronic book information can be updated. When a friend purchases a new book after fetching friend's e-book information, an icon corresponding to the newly purchased book may be added to the user's bookcase when the e-book information is updated later.

On the other hand, in FIG. 7, when a friend's e-book information is fetched, a friend's book is displayed on the bookcase of the user immediately. However, only a shortcut is generated first, and a book icon is displayed only when there is an input for fetching a book It is possible. This will be described with reference to FIG.

FIG. 8 illustrates an example of a form in which a friend's e-book information is shared with a user's bookcase in a mobile terminal according to an embodiment of the present invention.

Referring to FIG. 8, in the display unit 151 of the mobile terminal according to the present invention, a user's bookcase is displayed in a landscape view mode. At this time, the user's bookcase is made up of three stages, and the book held by the user is displayed at the top, and five friends are added to each of the breaks by the partition. At this time, in the space 820 corresponding to the three right-side friends in the bookcase interruption, a representative picture of each friend and a synchronization icon 830 are displayed. When a representative picture of a friend is selected, have. When the synchronization icon is selected, the book icons held by the respective friends can be displayed in a superimposed manner as in the space 810 corresponding to the two friends on the left side of the bookcase interruption. That is, when the friend is added for the first time, only the shortcut function of the added friend to the bookcase is implemented in the bookcase of the user, and when the synchronization icon is selected, the friend e-book information can be fetched.

On the other hand, a user and a friend may have the same e-book. In such a case, when a friend's e-book information is retrieved from a user's bookcase, if the duplicate book is displayed together with the user's bookcase, the bookcase space may be wasted, so that the duplicate book is displayed only in the area where the user's book is displayed can do. This will be described with reference to FIG.

FIG. 9 illustrates an example of a form in which a book is displayed on a bookcase of a user when the same electronic book is present in electronic book information of a friend in a mobile terminal according to an embodiment of the present invention.

When there is a duplicate book when the friend's e-book information is fetched as the bookcase of the user, the same book icon 915 is flipped to the position where the book icon 910 is displayed in the bookcase of the user as shown in FIG. 9 (a) Overlapping visual effects can be displayed. Thereafter, as shown in FIG. 9 (b), it is possible to select which of the information set by the friend for the book is to be received. More specifically, the user can select a memo & highlight 921 and / or bookmark 923 set by a friend for the book. When the selection is completed, an indicator 930 indicating responsibility of the friend and the friend can be displayed on the book icon 910 of the area where the user's book is displayed in the bookcase as shown in (c) of FIG. Indicators may change in shape / color depending on the friend they own as duplicates, or depending on the number of friends, bookmarks, memos & highlights.

Next, when e-book information is received from a plurality of friends, statistics may be generated using the information. An example of such a statistic is a must have function indicating the book holding rank as shown in FIG.

FIG. 10 shows an example of a form in which a book held in a mobile terminal according to an embodiment of the present invention is displayed as a statistical function using electronic book information.

In FIG. 10, the must-have mode in which the ranking of the e-books held by the friends added to the user's account is displayed can be displayed by selecting the must-have menu 840 located on the upper right side of FIG.

In the must-have mode, the book icons of the e-books can be sorted and displayed according to the same criteria as the ranking of the books in the upper region 1010, and the list of friends referred to in the total can be displayed in the lower region 1020 have. In each of the book icons in the upper area, the number 1030 of friends holding the book and the score converted through the book may be displayed.

As described above, in the mobile terminal according to the embodiment of the present invention, the books held by the friend can be displayed on the bookcase of the user as the electronic book information is received from the friend. At this time, in the above-described embodiments, it is assumed that all the books held by the friend are displayed on the bookcase of the user, but they may be selectively fetched. This will be described with reference to FIG.

11 shows an example of a selection menu for selectively receiving e-book information of a friend in a mobile terminal according to an embodiment of the present invention.

FIG. 11 can be displayed as the import icon 630 is selected when a bookcase of a friend is displayed as shown in FIG.

11, the selection menu includes friend information such as a friend's picture 1110, a title 1120 of a book held by a friend, an author 1130 of a book, an indicator 1140 indicating a book currently read by a friend, An empty check box 1150 for determining whether to fetch the book into the user's bookcase, and the like may be displayed. When the empty check box 1150 is selected, a check icon 1160 indicating that the empty check box 1150 is selected may be displayed. The check box can be operated in a toggle manner in which a check icon is displayed and disappears each time it is selected.

Further, beside the title of each book, an icon 1170 indicating a memo & highlight set by a friend and an icon 1180 indicating a bookmark set by a friend can be further displayed.

When the chest box is selected, the user can select the import confirmation icon 1190. Accordingly, only books with a check in a check box among friends' books can be displayed on the user's bookcase.

Three-dimensional bookcase structure

Meanwhile, in the mobile terminal according to the present invention, the form in which the book is placed on the bookcase may be changed more stereoscopically. This will be described with reference to FIG.

12 is a display state diagram illustrating an example of a three-dimensional display of a bookcase for displaying an electronic book list in a mobile terminal according to an exemplary embodiment of the present invention.

In the above-described embodiments, the bookcase and the book icon disposed thereon have been described as having an appearance as viewed from the front. Alternatively, the bookcase according to the present embodiment may be displayed in an oblique view of the bookcase as shown in FIG. In this case, the books can also be displayed in a three-dimensional manner. The switching between the viewpoint viewed from the front and the viewpoint viewed diagonally can be performed by a predetermined menu operation or touch input of a specific pattern. A method of dragging two fingers in one direction at the same time (i.e., multi-touch) as an example of a touch input of a specific pattern, and the like.

At this time, the book 1210 having a high reading frequency or the book 1240 that has been recently read may be displayed so as to protrude from other books 1220 and 1230 according to the degree. In addition, if there is a bookmark or memo information set by a user or a friend in the book, an indicator of the bookmark forms 1241 and 1243 may be displayed on the corresponding book icon. At this time, each bookmark indicator may display the names of users and friends, bookmark contents, and the like, and different colors or shapes may be assigned according to the account or the bookmark / memo / highlight type. The bookmark / note / highlight information set by the friend can be moved to the user's mobile terminal together with the bookmark information.

In particular, a bookmark indicator 1241 corresponding to a bookmark set by the user and a bookmark indicator 1243 corresponding to a bookmark set by a friend are displayed together in the book 1240 protruding from the right side. This may correspond to a case where a book icon corresponding to an electronic book held in common by a user and a friend is displayed only in an area where books held by the user are displayed as shown in FIG.

Here, when a bookmark indicator generated in two or more different accounts (for example, a user and at least one friend) is displayed for the same book, the bookmark gathering function can be performed by overlapping the bookmark indicators. Here, the overlapping of the bookmark indicators is performed by applying a touch input to the different bookmark indicators through the two fingers when the touch screen of the mobile terminal recognizes multi-touches, and then by a method of narrowing the distance between the two touch points . In the case of not multi-touch, it may be performed by touching and dragging one bookmark indicator and dropping it onto another indicator of the bookmark. The bookmark gathering function will be described with reference to Figs. 13A and 13B.

13A and 13B are display state diagrams showing an example of a mode in which a bookmark collection view function is displayed in a mobile terminal according to an embodiment of the present invention.

In FIGS. 13A and 13B, it is assumed that information (for example, reading progress over time) concerning the time when a book is read in the bookmark is stored.

Referring to FIG. 13A, when the bookmark collection view function is executed through the method described above with reference to FIG. 12, a table of contents 1310 of the corresponding electronic book is displayed on the horizontal axis at the bottom, Is displayed as a graph. Here, the reading progress of each user may be displayed as the date of reaching each chapter, and the slope of the graph may be proportional to the reading speed. If there is a memo left by a user or a friend, the memo indicator 1330 may be displayed at the time of creating the memo on the graph. 13A and 13B are displayed in the horizontal direction. However, the present invention is not limited to this, and the present invention is not limited to this, and the table of contents provided in the electronic book itself may be displayed in a modified form, Or may be implemented in a form that overlaps the graph on the table of contents provided in the table.

On the other hand, if the user or friend plays the music together when reading the electronic book, the bookmark information can also store and share information about which part of the book the user listened to. In this case, as shown in FIG. 13B, the music bar 1340 is displayed at the top, and the music indicators 1341 and 1342 may be displayed at the respective viewpoints. The music identifier may be displayed in the form of a simple icon as shown in FIG. 13B, and information of the music piece may be displayed when selected, or the music piece information may be displayed on the indicator at all times.

Although the bookmark gathering function has been described on the assumption that the bookmark gathering function is performed in accordance with the operation of the bookmark indicator displayed at the time of viewing the bookcase obliquely, the bookmark indicator can be displayed on each book icon even when the bookmark is viewed from the front, It is needless to say that the bookmark collection view function can be performed through this.

Artist Tree

As described above, the electronic book information brought from a friend may include the title of the book and information about the author (or author) of the book. In the mobile terminal according to the present embodiment, the artist tree is formed by arranging the authors into categories or genres of books (for example, politics, economy, novels, hobbies, learning, etc.) . That is, the artist corresponds to one leaf, and one category can correspond to one leaf. The category of the book may be set in the electronic book in advance, or may be classified by the user.

As the number of readers increases, the number of leaves increases and the shape of the leaves becomes richer. This will be described with reference to Figs. 14A to 14C.

14A to 14C show an example of a form in which a writer tree is displayed in a mobile terminal according to an embodiment of the present invention.

The author tree mode may be automatically executed whenever a user purchases a new book or fetches a new book from a friend's bookcase, or may be displayed according to a predetermined menu operation. 14A, if there are writers 1411 and 1421 that overlap with the artist included in the artist tree set by the friends added to the user's account in the artist tree set in the account of the user, A duplicate artist indicator 1415 or 1425 indicating whether the artist is included may be displayed.

In the artist tree, the categories may be divided into categories without distinguishing the categories. In such a case, there may be a plurality of artist trees per category. One writer may publish books belonging to different categories. In this case, if one artist 1421 is selected as shown in FIG. 14B, the artist tree 1430 of another category to which the artist belongs is gradually displayed, and artist trees 1430 sharing the same artist 1421 are displayed as shown in FIG. Can be displayed together.

Alternatively, when the user selects an artist whose duplicate artist indicator is displayed in a state that a category is divided for each branch of the tree and one artist tree is formed for each account, the tree 1430 displayed as the screen is switched from FIG. 14B to FIG. It may be a friend's artist tree directed by an artist indicator.

Reading of duplicate e-books after sharing e-book information

Hereinafter, the functions that can be provided when browsing an e-book by retrieving friend's e-book information through the above-described methods in the mobile terminal according to an embodiment of the present invention will be described. In this embodiment, it may be particularly useful when there is information (for example, bookmarks, memos, highlights, and the like) about a book that overlaps with a book held by a user in e-book information of a friend.

First, if a bookmark or highlight for a book that is duplicated with a book held by a user is set in the friend's e-book information, the user can be notified of the overlap of the bookmark or highlight in the e-book reading mode through various visual effects. This will be described with reference to FIG.

FIG. 15 illustrates an example of a method for displaying a bookmark / highlight set by a t-user or at least one friend to the same book in a mobile terminal according to an embodiment of the present invention.

15, when the electronic book browsing mode is executed, the contents of the electronic book are displayed in a form in which two pages are arranged on the left and right at a time as if the book is opened on the touch screen 151 of the mobile terminal . In addition, the position of the currently displayed pages relative to the entire page may be displayed as the thickness of the pages stacked below each page. For example, if the e-book is configured to read in the right page order from the left page, if the currently displayed page is the beginning of the book, the stacked pages are displayed thinly below the page currently displayed on the left side, Underneath, stacked pages can be displayed thick. Also, stacked pages can be displayed to form a stepped or sloped side, such as when a book is naturally spread.

Referring to FIG. 15, a popular phrase view menu 1510 is displayed at the upper right of the page. When the popular phrase view menu is selected, the overlapped portion of the favorite / highlighted portion set by the user or the friend on the currently displayed page can be changed to a bold font. At this time, the thickness of the font may be set to be thicker than the sentence 1520 in which the number of overlaps is large (i.e., when a bookmark or highlight is set by a friend for the sentence) than the sentence 1520 that is not. In FIG. 15, the unit of bookmark or highlight is described as a sentence unit. However, the present invention is not limited thereto. For example, the bookmark or highlight unit may be applied to a variety of heightlight / bookmark setting units.

Next, a comment and a comment on a specific portion of the book that is duplicated with the book held by the user in the friend's e-book information may be displayed in the e-book reading mode. This will be described with reference to Figs. 16 and 17. Fig.

FIG. 16 shows an example of a method of displaying a plurality of notes / comments set for a specific portion of the same book to a user in a mobile terminal according to an embodiment of the present invention.

When the e-book information shared with the friend includes a comment on a specific part, the comment can be displayed in the same format as the comment of the bulletin board in the e-book reading mode as shown in Fig. More specifically, when there is a comment set by a user or a friend with respect to the content 1610 located in a specific part of the electronic book, an indicator 1620 indicating that a comment exists in the corresponding page around the content may be displayed. At the lower part of the page, comments 1630 written by the user or the friend about the content 1610 can be displayed according to a predetermined sorting criterion (for example, creation time order), and the user can select the answer 1640 icon You can create a new comment after the existing comment. Each comment may indicate who the author is. This allows comments on specific parts of a book that are shared by friends added to the user's account to be shared, such as by using a bulletin board on the web.

17 shows another example of a method of displaying a plurality of memos / comments set for a specific part of the same book to a user in a mobile terminal according to an embodiment of the present invention.

Referring to FIG. 17A, when a comment about a specific part is included in the electronic book information shared with a friend, a visual effect 1710 indicating that there is another comment made by a friend may be displayed in the corresponding part . 17 (b), a comment input window 1720 is displayed, and a comment made by a friend on the opposite page 1730 of a specific part is displayed as a picture of a friend or an attachment file Can be displayed together.

Meanwhile, the electronic book browsing mode of the mobile terminal according to the embodiment of the present invention may operate in association with the social network service. This will be described with reference to FIG.

18 shows an example of a method of specifying contents of an electronic book displayed on a mobile terminal and linking with a social network according to an embodiment of the present invention.

Referring to FIG. 18 (a), if there is a content 1810 to be published in the social networking service in the e-book browsing mode, the user can select the corresponding portion through touch input such as touch and drag. When the selection is completed, a popup window 1820 for selecting the type of the social network service to which the selected content is to be posted as shown in FIG. 18B may be selected. Depending on the type of the social network service, a predetermined visual effect for displaying the popularity is displayed such that the font of the content is enlarged or thickened when the content is scraped or retried (RT) .

Copyright of e-book and bookcase of friend

DRM function can be implemented in e-book for copyright protection. E-books covered by copyright protection may be restricted in sharing or copying. Accordingly, when the e-book information is brought to the user's bookcase in the bookcase of the friend, it is difficult for the e-book with the copyright protection to be copied as it is to the user's bookcase. To this end, in the present embodiment, when the book with copyright protection is imported from the bookcase of the friend to the user's bookcase, the user is informed of the copyright protection and the functions that can be performed in the copyrighted electronic book are shown in Figs. 19A to 19C .

19A to 19C show an example of a method of displaying a copyright protected electronic book in fetching e-book information from a friend's bookcase in a mobile terminal according to an embodiment of the present invention.

When a book possessed by a friend is displayed on the user's bookcase as the e-book information including the copyrighted e-book is fetched from the bookcase of the friend, the book 1910 with the copyright protection set as shown in Fig. Unlike the book 1920, the book icon can be displayed in black and white. Or an icon such as "C" for indicating that copyright protection is set to be displayed in a book in which copyright protection is set. When a user selects an e-book for which the copyright protection is not set among the e-books fetched from the bookcase of the friend to the user's bookcase, the browse mode for the book is executed. However, when copyright protection is set, only a sample page provided by the seller of the book, a purchaseable link, a bookmark created by a friend, a note, highlight, and the like can be displayed.

For example, when a book with copyright protection is selected from an e-book fetched from a bookcase of a friend to a user's bookcase, an index tab indicating that there is bookmark / memo / highlight set by a friend, the indicator icons 1930 in the form of index tabs can be displayed.

When any one of the indicator icons 1930 is selected here, the collective view mode can be executed as shown in FIG. 19C. In the folder view mode, a bookmark / memo / highlight set by a friend having a copyrighted book can be displayed together. Specifically, the user can capture the contents or pages of the bookmark / memo / highlight, and display them in a predetermined form together with page information and display them to the user. Needless to say, it is also possible to select displayed information such that only the bookmark is displayed through the menu selection at the top, or only the memo is displayed.

In the above-described embodiments, the menu structure, the layout style, the icon style, and the like are all exemplary, and the present invention is not limited thereto and can be applied to other modified forms performing similar functions. In addition, although the bookcases set for each account are shown as one in the above-described embodiments, a plurality of bookcases may exist depending on the number of books or according to the setting, and when the whole bookcases can not be displayed on one screen, A portion of a bookcase displayed through scrolling through a touch or the like may be changed.

Further, according to an embodiment of the present invention, the above-described method can be implemented as a code that can be read by a processor on a medium on which the program is recorded. Examples of the medium that can be read by the processor include ROM, RAM, CD-ROM, magnetic tape, floppy disk, optical data storage, etc., and may be implemented in the form of a carrier wave (e.g., transmission over the Internet) .

The mobile terminal and its control method capable of performing the e-book information sharing function with other users as described above are not limited to the configuration and method of the embodiments described above, All or some of the embodiments may be selectively combined.

Claims (20)

touch screen;
A memory storing a first list of at least one e-book of the first user and first browsing progress information of each of the at least one e-book of the first user;
A wireless communication unit for receiving e-book information including a second list including at least one e-book of at least one second user and second browsing progress information for each of the at least one e-book of the second user; And
And a controller for displaying on the touch screen at least one icon representing at least one electronic book in the first list or the second list when the electronic book information is received,
Wherein the first and second lists include common ebooks common to the first and second lists,
Wherein the control unit displays a common icon representing the common electronic book, and displays a first indicator corresponding to the first reading progress information on the common electronic book of the first user and a second indicator corresponding to the common electronic book of the second user, A second indicator corresponding to the second browsing progress information is displayed on the common icon, and when the first and second indicators are selected, the browsing progress of the first and second users corresponding to the common e- And displays the first and second browsing progress information. delete delete delete delete delete The method according to claim 1,
Wherein the first user and the at least one second user are identified as accounts,
Wherein,
Displaying the account list on the touch screen in a specific form when a command for calling an account list including at least one second user account added in advance to the account of the first user through the touch screen is input, Mobile terminal. 8. The method of claim 7,
Wherein,
And displays a bookcase including a book icon corresponding to the list of electronic books held in the selected account when any one of the at least one second user account included in the account list is selected. 9. The method of claim 8,
When a list of e-books held in the selected account is displayed,
Wherein,
And displays a book icon corresponding to the list of electronic books held in the selected account when a command for receiving electronic book information of the selected account is inputted. 9. The method of claim 8,
When a list of e-books held in the selected account is displayed,
Wherein,
And displays a selection menu for individually selecting each e-book from the list of e-books held in the selected account when a command for receiving e-book information of the selected account is input. delete delete delete delete delete delete delete delete delete delete

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