WO2018124330A1 - Procédé de fourniture de livre électronique au moyen d'informations de page - Google Patents

Procédé de fourniture de livre électronique au moyen d'informations de page Download PDF

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Publication number
WO2018124330A1
WO2018124330A1 PCT/KR2016/015408 KR2016015408W WO2018124330A1 WO 2018124330 A1 WO2018124330 A1 WO 2018124330A1 KR 2016015408 W KR2016015408 W KR 2016015408W WO 2018124330 A1 WO2018124330 A1 WO 2018124330A1
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WO
WIPO (PCT)
Prior art keywords
page
book
information
similar
page information
Prior art date
Application number
PCT/KR2016/015408
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English (en)
Korean (ko)
Inventor
이영훈
진교영
Original Assignee
주식회사 파수닷컴
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Application filed by 주식회사 파수닷컴 filed Critical 주식회사 파수닷컴
Priority to PCT/KR2016/015408 priority Critical patent/WO2018124330A1/fr
Publication of WO2018124330A1 publication Critical patent/WO2018124330A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
    • H04L9/40—Network security protocols
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00—Information retrieval; Database structures therefor; File system structures therefor
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services

Definitions

  • the present invention relates to a method of providing an e-book using page information, and more particularly, to an e-book providing method of improving a reading speed by receiving page information from a server and reading the same without a page operation.
  • EUB Electronic publication
  • EPUB is a freely developed standard media that can be automatically reflowed to provide optimized format, font size, etc. to suit readers or displays, and digital DRM (digital). rights management).
  • Cascading Style Sheets CSS are supported to reinforce the design area of the document and to support XML (Extensible Markup Language) for extending the function.
  • the automatic space adjustment method can change the design because the presentation of the e-book content varies depending on the device or reader application. For this reason, in recent years, a fixed layout method has been proposed to solve the appearance risk of the automatic space adjustment method by emphasizing that not only the content of the e-book content but also the design of the content is combined together.
  • the fixed layout method has a problem of sacrificing the advantages of the automatic space adjustment method, it is not desirable to be uniform in the fixed layout method and needs to be selectively applied.
  • the automatic space adjustment method has a problem in that the speed is greatly reduced because pages are dynamically displayed every time the e-book is opened in order to provide an optimized representation of content according to a device or a reader application.
  • An object of the present invention for solving the above problems is to provide an e-book providing method using the page information.
  • Another object of the present invention for solving the above problems is to provide an e-book providing apparatus using page information.
  • the present invention for achieving the above object provides an e-book providing method using the page information.
  • the electronic book providing method using the page information performed in the user terminal, the step of transmitting a request message (request message) for requesting an electronic publication (EPUB) e-book including the page determination information to the e-book server, e-book Receiving a page message indicating page information and page information according to the page determination information from a server, receiving an e-book corresponding to the request message, and receiving the e-book and the page message. Verifying a license for the book and, if the license is confirmed, reading the received e-book based on the page message and displaying the page.
  • request message for requesting an electronic publication
  • EPUB electronic publication
  • the page information or page determination information may include at least one of an identification code of the e-book, a model identifier of the user terminal on which the e-book is driven, a display size on which the e-book is displayed, a font size, tracking, leading, and number of pages. Can be.
  • the page message may indicate similar page information similar to the page determination information.
  • the similar page information may be determined based on at least one of page determination information and at least one of display size, font size, tracking, leading, and model identifier of the user terminal on which the e-book is included, respectively included in the page information. have.
  • the similar page information may refer to page information in which a difference between the display size included in the page determination information and the display size included in the page information is within a threshold.
  • the threshold value may be determined based on the font size, tracking, and leading included in the page determination information and the page information, respectively.
  • the page of the received e-book is calculated and the received e-book is displayed based on the calculated page, and the page is displayed.
  • the method may include generating page information based on the page operation and transmitting the page information to the e-book server.
  • the received e-book may be read by applying the similar page information to the page percentage display function.
  • the received e-book can be read by applying the page generated by calculating the page to the number of pages without using the similar page information. have.
  • the e-book is read using the similar page information, but the page is operated in a hidden state and the page is read using the calculated page. You can modify the page and redisplay it.
  • Another aspect of the present invention for achieving the above object provides an e-book providing apparatus using page information.
  • the e-book providing apparatus using the page information includes a processor that executes at least one instruction and a memory that stores at least one instruction.
  • the processor transmits a request message for requesting an electronic publication (EPUB) e-book including page determination information to the e-book server, and transmits page information and page information according to the page determination information from the e-book server.
  • Receive a page message indicating the presence of a message receive an e-book corresponding to the request message, check the license for the received e-book when the e-book and the page message are received, and confirm the license.
  • the page may be displayed based on the page message.
  • the page information or page determination information may include at least one of an identification code of the e-book, a model identifier of the user terminal on which the e-book is driven, a display size on which the e-book is displayed, a font size, tracking, leading, and number of pages. Can be.
  • the page message may indicate similar page information similar to the page determination information.
  • the similar page information may be determined based on at least one of page determination information and at least one of display size, font size, tracking, leading, and model identifier of the user terminal on which the e-book is included, respectively included in the page information. have.
  • the similar page information may refer to page information in which a difference between the display size included in the page determination information and the display size included in the page information is within a threshold.
  • the threshold value may be determined based on the font size, tracking, and leading included in the page determination information and the page information, respectively.
  • the processor calculates a page of the received e-book and then based on the calculated page, the received e-book
  • the page may be displayed by displaying a page, and page information according to a page operation may be generated and transmitted to the e-book server.
  • the processor may view the received e-book by applying the similar page information to the page percentage display function.
  • the processor may view the received e-book by applying the page generated by calculating the page to the page count function without using the similar page information.
  • the processor reads the e-book using the similar page information, calculates the page in a hidden state, and modifies the page of the read e-book using the calculated page. Can be redisplayed.
  • FIG. 1 is a block diagram of an e-book providing system according to an embodiment of the present invention.
  • FIG. 2 is a flowchart illustrating a method of providing an e-book using page information according to an embodiment of the present invention.
  • FIG. 3 is a first sequence diagram of a method for providing an e-book using page information according to an embodiment of the present invention.
  • FIG. 4 is a second sequence diagram of a method for providing an e-book using page information according to an embodiment of the present invention.
  • FIG. 5 is a first exemplary diagram for describing similar page information according to an embodiment of the present invention.
  • FIG. 6 is a second exemplary view for describing similar page information according to an embodiment of the present invention.
  • FIG. 7 is an exemplary view for explaining the structure of an e-book according to an embodiment of the present invention.
  • FIG. 8 is an exemplary diagram for describing encryption of an e-book according to an embodiment of the present invention.
  • FIG. 9 is a block diagram of an e-book providing apparatus using page information according to an embodiment of the present invention.
  • first, second, A, and B may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.
  • the first component may be referred to as the second component, and similarly, the second component may also be referred to as the first component.
  • FIG. 1 is a block diagram of an e-book providing system according to an embodiment of the present invention.
  • an e-book providing system may include a user terminal 10 and an e-book server 20.
  • the e-book server 20 may provide an e-book to a user who uses the user terminal 10. At this time, the e-book server 20 may manage the e-book in a database included or separately configured.
  • the e-book managed by the e-book server 20 may be an e-book in an epub (electronic publication) format.
  • the e-book server 20 is a result of calculating the page of the e-book from the user terminal 10 reading the provided e-book and a variety of information used to determine the page (user terminal ( 10), the name of the viewer, the resolution and display size of the viewer application driven in the user terminal 10, and the like may be collected and managed.
  • the collected information may be referred to as page information, and the page information may be managed in association with a unique identifier of the e-book in the e-book server 20, and in some cases, may be encrypted and managed.
  • the user terminal 10 may request an e-book from the e-book server 20, receive and read the e-book, and various functions required to provide the e-book are driven by a viewer application. It can be implemented by the viewer application.
  • the user terminal 10 may provide page determination information to the e-book server so that the e-book server 20 may provide page information suitable for the environment of the user terminal 10 or the viewer application environment driven by the user terminal 10.
  • the page determination information is information for selecting page information suitable for the viewer application environment of the user terminal 10, and may basically include information corresponding to or equivalent to the page information.
  • the user terminal 10 may receive the page information on the e-book from the e-book server 20 and use the page information to read the e-book without a separate page operation, the page operation without using the page information
  • the page information managed by the e-book server 20 is updated by transmitting the page information including the result of the page operation and the various information necessary for the page operation to the e-book server 20. update).
  • the user terminal 10 may be a device 11 that can communicate using a wired network, or may be a device 12 that can communicate using a wireless network, for example, a desktop computer.
  • computer laptop computer, notebook, smartphone, tablet PC, mobile phone, smart watch, smart glass, e-book readers, portable multimedia players, portable game consoles, navigation devices, digital cameras, digital multimedia broadcasting (DMB) players, digital audio recorders, digital voice players audio player, digital video recorder, digital video player, PDA (Personal Digital Assistant), and the like.
  • DMB digital multimedia broadcasting
  • PDA Personal Digital Assistant
  • the e-book providing system may further include a DRM server capable of providing a digital right management (DRM) function for the e-book, and the DRM server may be a user terminal 10 or an e-book server.
  • DRM digital right management
  • the user terminal 10 or the user of the user terminal 10 and the user of the user terminal 10 can be determined in cooperation with each other, and key information used for encrypting and decrypting the contents of the e-book can be managed. May be managed in a separate key server or may be managed in the e-book server 20.
  • FIG. 2 is a flowchart illustrating a method of providing an e-book using page information according to an embodiment of the present invention.
  • an e-book providing method using page information performed in a user terminal includes transmitting a request message for requesting an electronic publication (EPUB) e-book including page determination information to an e-book server.
  • Step S200 receiving a page message indicating page information and page information according to page determination information from the e-book server, and receiving an e-book corresponding to the request message (S210).
  • S220 checking the license for the received e-book
  • S230 reading the received e-book based on the page message and displaying the page. It may include.
  • the page information or page determination information may include an identifier of an e-book, a model identifier of a user terminal on which the e-book is driven, a display size on which the e-book is displayed, a font size, kerning, leading, It may include at least one of the number of pages.
  • the identifier of the e-book may mean a universally unique identifier (UUID) assigned to the e-book
  • the model identifier of the user terminal may include a device name, a short name, a short name, and the like of the user terminal.
  • UUID universally unique identifier
  • the device model of may be variously defined according to the implementation.
  • the display size may be a size that is set in a viewer application driven in the user terminal to display an e-book, or when the display screen is displayed in full screen on the user terminal, the display size may be the display size of the user terminal. It may be expressed in a pixel unit representing a, or may be expressed in inches or centimeters (Cm), etc., which are actual length units.
  • the e-book server may transmit a page message indicating page information and page information according to the page determination information to the user terminal, wherein the page information corresponding to the page determination information If there is no e-book server there may be different embodiments depending on the solution.
  • FIG. 3 is a first sequence diagram of a method for providing an e-book using page information according to an embodiment of the present invention.
  • the e-book server 20 when there is page information corresponding to the page determination information, the e-book server 20 provides the page information to the user terminal 10, and if there is no page information corresponding to the page determination information, there is no page information.
  • An embodiment of the case of transmitting a message indicating to the user terminal 10 may be described.
  • the user terminal 10 may transmit a request message for requesting an electronic publication (EPUB) e-book to the e-book server 20 including page decision information (S300).
  • EPUB electronic publication
  • S300 page decision information
  • the e-book server 20 may search for the page information corresponding to the page determination information in a database managed by the e-book server 20 (S310).
  • the e-book server 20 transmits a message indicating the page information to the user terminal 10 together with the e-book, If there is no page information corresponding to the page determination information, a message indicating that there is no matching page information may be transmitted to the user terminal 10 together with the e-book (S320).
  • the user terminal 10 may receive a message and an e-book in a corresponding operation.
  • the user terminal 10 may support a digital right management (DRM) function that checks a license for the e-book before viewing the received e-book. When the license is confirmed, the user terminal 10 may read the received e-book.
  • DRM digital right management
  • the page may be displayed by reading an e-book without a separate page operation using the page information indicated by the received message. If a message indicating that there is no matching (or corresponding) page information is received, a page may be newly calculated to read an e-book and display the page (S330).
  • page information including the calculated page and various information used to calculate the page (e-book identifier, display size of the e-book, etc.) is generated and transmitted to the e-book server 20.
  • the page information managed by the e-book server 20 may be continuously updated (S340).
  • FIG. 4 is a second sequence diagram of a method for providing an e-book using page information according to an embodiment of the present invention.
  • the user terminal 10 may transmit a request message for requesting an electronic publication (EPUB) e-book including the page determination information to the e-book server 20 (S400).
  • EPUB electronic publication
  • S400 e-book server 20
  • the e-book server 20 may search for the page information corresponding to the page determination information in a database managed by the e-book server 20 (S410).
  • the e-book server 20 may transmit a message indicating the page information to the user terminal 10 together with the e-book.
  • the advantages are the same as those of the embodiment in FIG. 3.
  • the e-book server 20 may select similar page information similar to the page determination information from the database (S420). However, if the similar page information is excessively different from the page determination information, the performance degradation due to the page mismatch may be large when the e-book is read. Therefore, only pages within a certain error range may be selected as the similar page information. You can choose not to select page information.
  • the e-book server 20 may transmit a message indicating the similar page information and the e-book to the user terminal 10 (S430) and if there is no similar page information within an error range, there is no page information.
  • a message indicating an e-book and an e-book may be transmitted to the user terminal 10.
  • the user terminal 10 may receive a message and an e-book in a corresponding operation.
  • the user terminal 10 may support a digital right management (DRM) function that checks a license for the e-book before viewing the received e-book. When the license is confirmed, the user terminal 10 may read the received e-book.
  • DRM digital right management
  • the user terminal 10 receives a message indicating page information corresponding to the page determination information or a message indicating similar page information, a separate page operation is performed using the page information or the similar page information corresponding to the page determination information.
  • E-books can be browsed and pages can be displayed without them.
  • a page may be newly calculated to read an e-book and display the page (S440).
  • the electronic book is generated by generating page information including the calculated page and various information used for calculating the page (identification code of the e-book, display size of the e-book, etc.).
  • page information managed by the e-book server 20 can be continuously updated.
  • FIG. 2 may be described from the embodiment according to FIGS. 3 and 4.
  • the page message may indicate similar page information similar to the page determination information.
  • step S230 of displaying a page message indicating that there is no page information after calculating the page of the received e-book, based on the calculated page, the received e-book is displayed to display the page. And generating page information according to the page operation and transmitting the generated page information to the e-book server.
  • the user terminal may support the function of viewing the number of pages to view the e-book by the number of pages, and may support the function of displaying the page percentage displayed by the percentage instead of the number of pages.
  • the user terminal may support the function of viewing the number of pages to view the e-book by the number of pages, and may support the function of displaying the page percentage displayed by the percentage instead of the number of pages.
  • similar page information is applied to the page view function, an error occurs in the number of pages, which may cause a performance degradation problem.
  • the page information may be applied to the page percentage display function to read the received e-book.
  • step S230 of displaying a page message when the page message indicates similar page information, the user reads the e-book using the similar page information, calculates the page in a hidden state, and uses the calculated page. You can modify and redisplay pages in an ebook.
  • the hidden state means that the e-book providing function provided to the user of the user terminal is the priority of the resource of the user terminal to prevent the occurrence of delay, and the process of calculating the page is not displayed on the display. It may mean that the priority is lowered.
  • 5 is a first exemplary diagram for describing similar page information according to an embodiment of the present invention.
  • 6 is a second exemplary view for describing similar page information according to an embodiment of the present invention.
  • the similar page information may be determined based on at least one of page determination information and at least one of display size, font size, tracking, leading, and model identifier of the user terminal on which the e-book is included, respectively included in the page information. have.
  • the criteria for determining similar page information may be variously applied.
  • the page information having the most similar display area may be determined as similar page information, and both the font size and the display size are within a certain error range.
  • the similar page information may be determined.
  • the similar page information may be determined on the assumption that the font size included in the page determination information and the font size included in the page information are the same.
  • the display size 30 according to the page information stored in the database managed by the e-book server and the display size 40 of the user terminal according to the page determination information may be different from each other.
  • the size difference is too large, it may not be used as similar page information because of a large performance degradation.
  • the difference 50 in the width of the display size may be used as similar page information.
  • the horizontal difference value 50 of the display is a value obtained by doubling the width 51 of the font size and the value 53 obtained by adding the kerning 52 between letters to 2. Can be determined as the threshold.
  • the horizontal size of the font size or the horizontal difference of the display may be a pixel unit of resolution or an inch or centimeter unit. Can be.
  • the horizontal difference value 50 of the display is indicated as being smaller than the threshold value, it may be determined as similar page information even when the same.
  • the vertical difference value 60 of the display is a value obtained by doubling the length 61 of the font size and the value 63 obtained by adding the line width 62, which means the space between lines.
  • the value divided by two can be determined as the threshold.
  • the similar page information may be determined, wherein the vertical size of the font size or the vertical difference value of the display may be a pixel unit of resolution or an inch or centimeter unit. Can be.
  • the vertical difference value 60 of the display is indicated as being smaller than the threshold value, it may be determined as similar page information even when the same.
  • Equations 1 and 2 according to FIGS. 5 and 6 may be satisfied. In this case, it may be determined as similar page information.
  • the similar page information may refer to page information in which a difference between a display size included in page determination information and a display size included in page information is within a threshold.
  • the threshold value may be determined based on the font size, tracking, and leading included in the page determination information and the page information, respectively.
  • step (S220) of confirming a license for the e-book received in FIG. 2 may be described in detail based on the structure of the epub e-book.
  • FIG. 7 is an exemplary view for explaining the structure of an e-book according to an embodiment of the present invention.
  • the epub format ebook is in the form of a single file with a .epub extension, but several directories and files can be compressed.
  • the epub file includes a content 71 containing the actual contents of the e-book, an encryption file 72 containing information about the encryption of the content, and a license file 74 storing information related to permissions and keys.
  • the content 71 may be included as the encrypted content 73 to support the DRM function rather than included in the epub file.
  • the encrypted file 72 includes a media type of the encrypted content 73, information on the encryption algorithm (type of algorithm), information on the key used for encryption (location of the key), location of the encrypted content (epub Directory and filename).
  • the license file 74 may have a JavaScript Object Notation (JSON) format
  • the extension may be .lcpl
  • the location may be META-INF / license.lcpl in the epub file.
  • JSON JavaScript Object Notation
  • the license file 74 includes a content key 80 used to encrypt the content 71 in association with the encryption file 72, an electronic signature 90 for verifying the integrity of the license file, and the content. May include rights to use (100, Rights).
  • the usage rights 100 for the content may include the number of words that can be copied and pasted at one time, the number of pages that can be printed at one time, the start date for using the content, and the end date for using the content. .
  • the electronic signature 90 is for verifying whether the license file has been changed.
  • the digital signature 90 may be verified as follows.
  • the license content is normalized (a process of excluding non-significant white space characters, etc.), and a hash of the normalized license data is calculated by using the digital signature algorithm included in the digital signature 90.
  • the digital signature value included in the digital signature 90 is decrypted using the public key obtained through the provider certificate, and the decrypted value is verified to match the result of the hash calculated previously. If there is a match, it can be confirmed that the digital signature has not been changed.
  • FIG. 8 is an exemplary diagram for describing encryption of an e-book according to an embodiment of the present invention.
  • FIG. 8 a process of deriving a content key 80 included in the license file 74 of FIG. 7 and used to encrypt content of an epub e-book may be described.
  • a device key 81 is a key used for providing an e-book limited to a specific device, and may be generated by encrypting device information.
  • the device key 81 may be generated based on a public key infrastructure (PKI). ) May be implemented.
  • PKI public key infrastructure
  • the device key 81 may own a public key derived from device information by an e-book server (content provider) or a separate DRM server, and a secret key corresponding to the public key may be stored in a user terminal. .
  • e-book server content provider
  • DRM server separate DRM server
  • the key name included in the license document can be checked to access and use the stored secret key.
  • the user key 82 is a key used for providing an e-book to a specific user and may be generated by encrypting user information.
  • the user key 82 may be implemented based on a symmetric key.
  • the user information may include a user password, an e-mail address, and the like, and the user information may be input from the user when checking the license of the e-book.
  • the content key 80 may be encrypted and decrypted using the device key 81 derived from the device information or the user key 82 derived from the user information.
  • the content key 80 may be encrypted using the public key in the e-book server.
  • the content key 80 may refer to the key name included in the received e-book.
  • the decrypted content key 80 may be obtained by obtaining a secret key stored in the user terminal and decrypting the content key 80 included in the license file using the secret key.
  • the decrypted content key 80 may be used to decrypt the content of the e-book and to view the decrypted content.
  • the content key 80 may be encrypted using the user key 82 at the e-book server, and when the user terminal receives the e-book, the content key 80 is placed in the license file of the received e-book.
  • the user information may be input from the user of the user terminal by providing a user with a hint of information (for example, a password or an email) or by accessing a link (Uniform Resource Locator) connected by a link.
  • a hint of information for example, a password or an email
  • a link Uniform Resource Locator
  • the user key 82 may be obtained by encrypting the received user information by referring to an encryption algorithm included in the license file.
  • the decrypted content key 80 can be obtained by decrypting the content key 80 included in the license file using the obtained user key 82, and the encrypted content of the e-book using the content key 80. And decrypt the content.
  • the step (S220) of checking the license of the received e-book may include verifying the integrity of the license of the received e-book, and verifying the license of the received e-book. Decrypting the content of the received e-book using the included content key.
  • the content key is encrypted and included in the received e-book, and can be decrypted using a user key that encrypts user information based on a symmetric key.
  • the content key is encrypted and included in the received e-book, and can be decrypted using a device key that encrypts the device information based on the public key.
  • FIG. 9 is a block diagram of an e-book providing apparatus using page information according to an embodiment of the present invention.
  • an e-book providing apparatus 110 using page information includes a processor 111 for executing at least one instruction and a memory 112 for storing at least one instruction. can do.
  • the electronic book providing apparatus 110 may refer to the user terminal 10 in FIG.
  • the e-book providing apparatus 110 may include an input unit 113 that receives input from the user of the e-book providing apparatus 110 to execute a function related to providing an e-book, including reading or closing the e-book, and an input unit.
  • Reference numeral 113 may mean a keyboard, a mouse, a touch screen, or the like.
  • the e-book providing apparatus 110 may include a display unit 114 for displaying the e-book read to the user.
  • the e-book providing apparatus 110 may include a communication unit 115 for interworking with the e-book server using a wired or wireless network such as requesting an e-book from the e-book server and receiving page information and the e-book.
  • the processor 111 transmits a request message for requesting an electronic publication (EPUB) e-book including page determination information to the e-book server, page information according to the page determination information from the e-book server, and Receiving a page message indicating the presence or absence of page information, receiving an e-book corresponding to the request message, checking the license of the received e-book when the e-book and the page message are received, Once the license is confirmed, the received e-book may be displayed based on the page message to display the page.
  • EPUB electronic publication
  • the page information or page determination information may include at least one of an identification code of the e-book, a model identifier of the user terminal on which the e-book is driven, a display size on which the e-book is displayed, a font size, tracking, leading, and number of pages. have.
  • the page message may indicate similar page information similar to the page determination information.
  • the similar page information may be determined based on at least one of page determination information and at least one of display size, font size, tracking, leading, and model identifier of the user terminal on which the e-book is included, respectively included in the page information. have.
  • the similar page information may refer to page information in which a difference between the display size included in the page determination information and the display size included in the page information is within a threshold.
  • the threshold value may be determined based on the font size, tracking, and leading included in the page determination information and the page information, respectively.
  • the processor 111 calculates a page of the received e-book, displays the page by reading the received e-book based on the calculated page, and calculates a page. Can generate page information according to the e-book server.
  • the processor 111 may apply the similar page information to the page percentage display function to read the received e-book.
  • the processor 111 may view the received e-book by applying the page generated by calculating the page to the page count function without using the similar page information. have.
  • the processor 111 reads the e-book using the similar page information, calculates the page in a hidden state, and uses the calculated page to read the e-book. You can modify it to redisplay it.
  • the methods according to the invention can be implemented in the form of program instructions that can be executed by various computer means and recorded on a computer readable medium.
  • Computer-readable media may include, alone or in combination with the program instructions, data files, data structures, and the like.
  • the program instructions recorded on the computer readable medium may be those specially designed and constructed for the present invention, or may be known and available to those skilled in computer software.
  • Examples of computer readable media may include hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like.
  • Examples of program instructions may include high-level language code that can be executed by a computer using an interpreter, as well as machine code such as produced by a compiler.
  • the hardware device described above may be configured to operate with at least one software module to perform the operations of the present invention, and vice versa.
  • the above-described method or apparatus may be implemented by combining all or part of the configuration or function, or may be implemented separately.

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Abstract

La présente invention concerne un procédé et un dispositif de fourniture d'un livre électronique au moyen d'informations de page. Un procédé de fourniture d'un livre électronique au moyen d'informations de page, qui est conduit par un terminal d'utilisateur, comprend les étapes de : transmission, à un serveur de livre électronique, d'un message de demande pour demander un livre électronique sous forme de publication électronique (EPUB) comprenant des informations de détermination de page ; réception d'informations de page conformément aux informations de détermination de page et à un message de page indiquant si les informations de page existent, et réception d'un livre électronique correspondant au message de demande, depuis le serveur de livre électronique ; lorsque le livre électronique et le message de page sont reçus, confirmation d'une licence du livre électronique reçu ; et lorsque la licence est confirmée, lecture du livre électronique reçu et affichage d'une page sur la base du message de page. Par conséquent, une vitesse de lecture du livre électronique peut être améliorée.
PCT/KR2016/015408 2016-12-28 2016-12-28 Procédé de fourniture de livre électronique au moyen d'informations de page WO2018124330A1 (fr)

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PCT/KR2016/015408 WO2018124330A1 (fr) 2016-12-28 2016-12-28 Procédé de fourniture de livre électronique au moyen d'informations de page

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PCT/KR2016/015408 WO2018124330A1 (fr) 2016-12-28 2016-12-28 Procédé de fourniture de livre électronique au moyen d'informations de page

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WO2018124330A1 true WO2018124330A1 (fr) 2018-07-05

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090008747A (ko) * 2007-07-18 2009-01-22 에스케이 텔레콤주식회사 전자책에서의 텍스트 변경으로 컨텐츠 리포맷팅 및 페이지수의 재산출을 위한 방법, 및 이에 적용되는 장치
KR20130097250A (ko) * 2012-02-21 2013-09-03 주식회사 파수닷컴 전자책 생성 장치 및 방법, 그리고 전자책 무결성 검증 장치 및 방법
JP2013235324A (ja) * 2012-05-07 2013-11-21 Dainippon Printing Co Ltd 文字サイズ変更装置および電子書籍端末
KR20150087861A (ko) * 2014-01-20 2015-07-31 에스케이플래닛 주식회사 이북 컨텐츠 서비스 시스템 및 방법
KR20160015764A (ko) * 2014-07-31 2016-02-15 (주)나모인터랙티브 클라이언트 기반의 전자책 제공방법 및 컴퓨터 프로그램, 그 기록매체

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20090008747A (ko) * 2007-07-18 2009-01-22 에스케이 텔레콤주식회사 전자책에서의 텍스트 변경으로 컨텐츠 리포맷팅 및 페이지수의 재산출을 위한 방법, 및 이에 적용되는 장치
KR20130097250A (ko) * 2012-02-21 2013-09-03 주식회사 파수닷컴 전자책 생성 장치 및 방법, 그리고 전자책 무결성 검증 장치 및 방법
JP2013235324A (ja) * 2012-05-07 2013-11-21 Dainippon Printing Co Ltd 文字サイズ変更装置および電子書籍端末
KR20150087861A (ko) * 2014-01-20 2015-07-31 에스케이플래닛 주식회사 이북 컨텐츠 서비스 시스템 및 방법
KR20160015764A (ko) * 2014-07-31 2016-02-15 (주)나모인터랙티브 클라이언트 기반의 전자책 제공방법 및 컴퓨터 프로그램, 그 기록매체

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