KR20170121908A - Electronic book terminal device and method for updating contents partially of the electronic book terminal device - Google Patents

Abstract

Disclosed in the present invention are an electronic book terminal device and a method for updating content in the electronic book terminal device. The electronic book terminal device comprises: a latest open packaging format (OPF) requesting unit which requests transmission of a first OPF file with latest version information, stored in an electronic book management server and corresponding to an OPF file included in an electronic book package stored in an electronic book terminal device; a version information extracting unit which extracts the latest version information defined inside the first OPF file from the first OPF file when the first OPF file is received from the electronic book management server, and extracts version information of the OPF file itself; an update requesting unit which compares the latest version information extracted from the first OPF file with the version information of the OPF file itself, and requests transmission of update data for updating a plurality of content files from the electronic book management server when the version information of the OPF file itself does not match with the latest version information; and an electronic book updating unit which receives the update data for the plurality of content files from the electronic book management server, and then implements update of the electronic book package based on the update data. Therefore, the electronic book terminal device can quickly implement update of the electronic book package.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to an electronic book terminal apparatus and a method for updating a content portion of the electronic book terminal apparatus,

The present invention relates to a technique capable of quickly processing an update for some of a plurality of contents included in an electronic book package stored in an electronic book terminal device when updating is required only for some contents.

2. Description of the Related Art In recent years, portable terminals such as smart phones and tablet PCs have become widespread, and users are increasingly viewing e-books through such portable terminals.

In general, an e-book is produced according to EPUB (Electronic PUBlication) format. The EPUB file format includes an Open Publication Structure (OPS) defining the content structure, an OPF (Open Packaging Format) defining the document structure, And OCF (Open Container Format) for bundling and distributing files.

The electronic book package of EPUB format includes various contents files for displaying images, images, and the like in electronic books. If the contents files included in the e-book package need to be changed due to the revision of the e-book, the e-book terminal device storing the e-book package is connected to the e-book management server, A method of deleting data of an existing e-book package stored in the e-book terminal device after all the data of the e-book package is downloaded and storing the newly downloaded e-book package in the e-book terminal device do.

Such an e-book update method may take a considerable time to update the e-book in that every time an e-book revision occurs, the entire data for the e-book package must be newly downloaded from the e-book management server.

In this regard, the e-book package includes an OPF file, which is an XML format file including content files included in the e-book, and meta information of the e-book itself and all file list information included in the e-book package, When it is necessary to change some contents of the e-book using the OPF file, it is not necessary to newly download all the data for the e-book package from the e-book management server, There is a need for research on a content part updating technique that enables only the change data to be downloaded and enable quick updating of the e-book.

The electronic book terminal apparatus and the content portion updating method of the electronic book terminal apparatus according to the present invention may be configured such that after receiving the latest version of the first OPF (Open Packaging Format) file from the electronic book management server, File and an OPF file included in the electronic book package stored in the electronic book terminal device are compared with each other, and when a version of both files is different, a plurality of first contents defined in the received latest version of the first OPF file And the list information and the version information of a plurality of contents defined in the OPF file included in the electronic book package are compared with each other, and the plurality of contents The contents not defined in the first OPF file are deleted from the e-book package, and in the OPF file The contents defined in the first OPF file and the contents defined in the OPF file but defined as different version information in the first OPF file are notified from the e-book management server By updating respective contents included in the electronic book package on the basis of the received update data by receiving the related update data, it is necessary to make some changes to the contents included in the electronic book package as the electronic book is revised The electronic book management server receives the entire data for the electronic book package from the electronic book management server to update the electronic book package, To the e-book package Allow the update to be performed.

An electronic book terminal apparatus according to an embodiment of the present invention includes an OPF file (Open Packaging Format) file included in an electronic book package stored in the electronic book terminal apparatus, Wherein version information of the content files of the electronic book package itself, version information of the plurality of content files included in the electronic book package is defined, A latest OPF request unit for requesting transmission of a first OPF file having the latest version information stored in the electronic book management server, a second OPF request unit for requesting transmission of the first OPF file from the first OPF file, Extracts the latest version information defined in the first OPF file, and stores the latest version information in the electronic book package A version information extracting unit for extracting version information of the OPF file itself from the OPF file included in the OPF file, comparing the latest version information extracted from the first OPF file with version information of the OPF file itself, Information on the plurality of content files defined in the OPF file and version information on the plurality of first content files defined in the first OPF file, An update request unit for requesting transmission of update data for updating the plurality of content files to the electronic book management server by comparing the list information and the version information with respect to the plurality of content files, Update the electronic book package based on the update data after receiving the update data It should include a renewal e-books.

Further, the method of updating a content portion of an electronic book terminal apparatus according to an embodiment of the present invention may include: displaying an OPF file included in an electronic book package stored in the electronic book terminal apparatus to an electronic book management server, The version information of the OPF file itself, the list information of the plurality of content files included in the e-book package, and the version information of the plurality of content files included in the e-book package are defined Requesting transmission of a first OPF file having latest version information stored in the electronic book management server when the first OPF file is received from the electronic book management server, 1 extracts the latest version information defined in the OPF file, and stores the latest version information defined in the electronic book package Extracting version information of the OPF file itself from the OPF file included in the OPF file, comparing the latest version information extracted from the first OPF file with version information of the OPF file itself, If the latest version information does not coincide with the latest version information, list information and version information of the plurality of content files defined in the OPF file and a list of a plurality of first content files defined in the first OPF file And requesting transmission of update data for updating the plurality of content files to the e-book management server by comparing the information and version information, and receiving update data for the plurality of content files from the e-book management server And performing an update on the e-book package based on the update data The.

The electronic book terminal apparatus and the content portion updating method of the electronic book terminal apparatus according to the present invention may be configured such that after receiving the latest version of the first OPF (Open Packaging Format) file from the electronic book management server, File and an OPF file included in the electronic book package stored in the electronic book terminal device are compared with each other, and when a version of both files is different, a plurality of first contents defined in the received latest version of the first OPF file And the list information and the version information of a plurality of contents defined in the OPF file included in the electronic book package are compared with each other, and the plurality of contents The contents not defined in the first OPF file are deleted from the e-book package, and in the OPF file The contents defined in the first OPF file and the contents defined in the OPF file but defined as different version information in the first OPF file are notified from the e-book management server By updating respective contents included in the electronic book package on the basis of the received update data by receiving the related update data, it is necessary to make some changes to the contents included in the electronic book package as the electronic book is revised The electronic book management server receives the entire data for the electronic book package from the electronic book management server to update the electronic book package, To the e-book package Update can be performed.

1 is a diagram illustrating a structure of an electronic book terminal apparatus according to an embodiment of the present invention.
2 is a diagram for explaining the operation of the electronic book terminal apparatus according to an embodiment of the present invention.
3 is a flowchart illustrating a content portion update method of an electronic book terminal apparatus according to an embodiment of the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It should be understood, however, that the invention is not intended to be limited to the particular embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention. Like reference numerals are used for like elements in describing each drawing.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, . On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used in this application is used only to describe a specific embodiment and is not intended to limit the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the terms "comprises" or "having" and the like are used to specify that there is a feature, a number, a step, an operation, an element, a component or a combination thereof described in the specification, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the contextual meaning of the related art and are to be interpreted as either ideal or overly formal in the sense of the present application Do not.

Hereinafter, embodiments according to the present invention will be described in detail with reference to the accompanying drawings.

1 is a diagram illustrating a structure of an electronic book terminal apparatus according to an embodiment of the present invention.

Referring to FIG. 1, an electronic book terminal apparatus 110 according to the present invention includes an OPF file request unit 111, a version information extraction unit 112, an update request unit 113, (114).

Here, the electronic book terminal device 110 according to an exemplary embodiment of the present invention can view an electronic book package file such as a desktop PC, a mobile terminal, a PDA, a notebook computer, a tablet PC, And may be implemented based on various types of microprocessor-based devices.

Hereinafter, each configuration of the electronic book terminal device 110 according to FIG. 1 will be described in detail with reference to the exemplary drawings shown in FIG.

The latest OPF request unit 111 stores the OPF request file in the electronic book management server 130 corresponding to the OPF file included in the electronic book package stored in the electronic book terminal apparatus 110 And requests transmission of the first OPF file having the latest version information.

At this time, the OPF file includes version information of the OPF file itself, list information of a plurality of content files included in the electronic book package, version information of the plurality of content files included in the electronic book package Is defined.

2, the OPF file includes version information 211 of the OPF file itself, a plurality of content files 212, 213, 214, 213 included in the electronic book package, 213, 214, 215, 216, 217, 218, 219 included in the electronic book package and the list information 201 for the electronic book package (215, 216, 217, 218, 219) Version information 212-1, 213-1, 214-1, 215-1, 216-1, 217-1, 218-1, and 219-1 may be defined.

As indicated by reference numeral 220 in FIG. 2, the first OPF file having the latest version information stored in the electronic book management server 130 includes version information 221 of the first OPF file itself, Listing information 202 for a plurality of first content files 222, 223, 224, 225, 226, 227, 228 to be included in the version of the electronic book package and a plurality of first The version information 222-1, 223-1, 224-1, 225-1, 226-1, 227-1, 228-1 for the content files 222, 223, 224, 225, 226, 227, ) May be defined.

At this time, the latest OPF request unit 111 may request the electronic book management server 130 to transmit the first OPF file having the latest version information in which the information as shown in the reference numeral 220 is defined.

According to an embodiment of the present invention, the latest OPF request unit 111 requests the electronic book management server 130 to transmit the first OPF file having the latest version information at a predetermined periodic interval It is possible to confirm whether or not the update of the electronic book package stored in the electronic book terminal apparatus 110 is required at the predetermined periodic interval.

The version information extracting unit 112 extracts the latest version information 221 defined in the first OPF file from the first OPF file when the first OPF file is received from the electronic book management server 130, The version information 211 of the OPF file itself is extracted from the OPF file included in the electronic book package stored in the electronic book terminal device 110. [

The update requesting unit 113 compares the latest version information 221 extracted from the first OPF file with the version information 211 of the OPF file itself to determine that the version information 211 of the OPF file itself The list information 201 for the plurality of content files 212, 213, 214, 215, 216, 217, 218, and 219 defined in the OPF file, Version information 212-1, 213-1, 214-1, 215-1, 216-1, 217-1, 218-1, 219-1 and a plurality of first contents The list information 202 and the version information 222-1, 223-1, 224-1, 225-1, 226-1, 227-1, 226-1, 226-2, 1, 228-1) and transmits the update data for updating the plurality of content files 212, 213, 214, 215, 216, 217, 218, 219 to the electronic book management server 130 request.

Then, the e-book updating unit 114 receives update data for the plurality of content files 212, 213, 214, 215, 216, 217, 218, and 219 from the electronic book management server 130 And updates the electronic book package based on the update data.

According to an embodiment of the present invention, the update request unit 113 includes a first confirmation unit 115, a second confirmation unit 116, a third confirmation unit 117, a content file transmission request unit 118, As shown in FIG.

The first identifying unit 115 determines the list information 201 of the plurality of content files 212, 213, 214, 215, 216, 217, 218, and 219 defined in the OPF file, (212, 213, 214) of the plurality of first content files (222, 223, 224, 225, 226, 227, 228) 223, 224, 225, 226, 227, 228 among the plurality of first content files 215, 216, 217, 218,

In this embodiment, the plurality of first content files 222, 223, 224, 225, 226, 227, 228 among the plurality of content files 212, 213, 214, 215, 216, 217, 218, Quot; content 1 "212," content 4 "215 and" content 6 "217 because the at least one first content file, Quot; Content 1 "212," Content 4 "215 and" Content 6 "

The second confirmation unit 116 may store the list information 201 for the plurality of content files 212, 213, 214, 215, 216, 217, 218 and 219 defined in the OPF file, 223, 224, 225, 226, 227, 228 defined in the file to compare the list information 202 to the plurality of first content files 222, 223 213, 214, 215, 216, 217, 218, 219 among the plurality of content files 212, 224, 225, 226, 227,

In this embodiment, the plurality of content files 212, 213, 214, 215, 216, 217, 218, 219 of the plurality of first content files 222, 223, 224, 225, 226, 227, , The second identifying unit 116 determines that at least one second content file that does not exist in the content A (225) and the content B (226) "(225)," content B "(226).

The third verification unit 117 acquires version information 212-1 and 213-1 for the plurality of content files 212, 213, 214, 215, 216, 217, 218 and 219 defined in the OPF file. , 214-1, 215-1, 216-1, 217-1, 218-1, 219-1) and the plurality of first content files (222, 223, 224, 223-1, 224-1, 225-1, 226-1, 227-1, and 228-1 for the first contents (225, 226, 227, 228) The version information 212-121 of the plurality of content files 212, 213, 214, 215, 216, 217, 218, 219 among the files 222, 223, 224, 225, 226, 227, -1, 214-1, 215-1, 216-1, 217-1, 218-1, 219-1).

In this embodiment, the plurality of content files 212, 213, 214, 215, 216, 217, 218, 219 of the plurality of first content files 222, 223, 224, 225, 226, 227, At least one third content file that does not match the version information 212-1, 213-1, 214-1, 215-1, 216-1, 217-1, 218-1, Content 2 "222 and" content 3 "223 with the at least one third content file, the third confirmation unit 117 confirms" content 2 "222 and" content 3 " .

Thereafter, the content file transfer requesting unit 118 requests the electronic book management server 130 to transfer the at least one second content file 225, 226 and the at least one third content file 222, 223 Request transmission.

In this case, according to an embodiment of the present invention, the update request unit 113 may further include an update list generation unit 119. [

The update list generation unit 119 is configured to update the at least one first content file 212,215 and 217, the at least one second content file 225,226 and the at least one third content file 222,223 Assigning a delete command to the at least one first content file (212, 215, 217) and assigning an additional command to the at least one second content file (225, 226) And assigning a replacement instruction to the at least one third content file to convert the at least one first content file to at least one second content file, 226) and the update list to which the delete command, the additional command, and the replacement command are assigned to the at least one third content file (222, 223).

According to an embodiment of the present invention, the electronic book update unit 114 includes a content receiving unit 120, a content deletion unit 121, a content addition unit 122, a content substitution unit 123, 124 < / RTI >

The update list is generated in the update request unit 113 and the at least one second content file 225 and 226 and the at least one third content file 222, The electronic book management server 130 sends the at least one second content file 225 and the at least one third content file 222 and 223 to the electronic book terminal The content receiving unit 120 receives the at least one second content file 225 and 226 and the at least one third content file 222 and 223 from the electronic book management server 130 do.

At this time, the content deletion unit 121 deletes the plurality of contents included in the electronic book package based on the deletion instruction assigned to the at least one first content file (212, 215, 217) Deletes the at least one first content file (212, 215, 217) of the files (212, 213, 214, 215, 216, 217, 218,

The content adding unit 122 adds the content files to the plurality of content files included in the electronic book package on the basis of the additional command allocated to the at least one second content file 225, The at least one second content file 225, 226 received from the electronic book management server 130 is added to the first content 212, 213, 214, 215, 216, 217, 218,

Also, the contents substitution unit 123 may be configured to replace the plurality of contents files included in the electronic book package, based on the replacement instruction allocated to the at least one third contents file 222, 223 on the update list, Content 2 "212 and" content 3 "(corresponding to the at least one third content file 222, 223) among the content files 212, 213, 214, 215, 216, 217, 218, 214) with the at least one third content file (222, 223) received from the electronic book management server (130).

Then, the update completion processing unit 124 replaces the OPF file included in the electronic book package with the first OPF file to complete the updating of the electronic book package.

After that, the electronic book terminal device 110 according to the present invention receives the latest version of the first OPF file from the electronic book management server 130 and then transmits the received latest version of the first OPF file and the electronic book terminal device 110 The OPF file included in the electronic book package stored in the first OPF file is compared with the OPF file stored in the first OPF file, Compares the version information with list information and version information of a plurality of contents defined in the OPF file included in the electronic book package to compare the version information with the version information of the first OPF file Is not defined in the OPF file but is defined only in the first OPF file without being defined in the OPF file The related update data is received from the e-book management server 130 for contents defined in the OPF file and contents defined by other version information in the first OPF file, If the contents included in the electronic book package need to be partially changed as the electronic book is revised by updating each contents included in the electronic book package on the basis of the contents of the electronic book package, The electronic book management server 130 receives from the book management server 130 and not only updates the electronic book package but only the data of the contents requiring the change in the electronic book package from the electronic book management server 130, You can perform updates to the package.

According to an embodiment of the present invention, the OPF file includes the plurality of content files 212, 213, 214, 215, 216, 217, 218, 213, 214, 215, 216, 217, 217, 218, 219), if there is at least one associated content file that is referenced to another content file within the plurality of content files (214, 215, 216, 218, and 219, connection information for a target content file to be referred to may be further defined for each of the at least one associated content file.

In relation to this, reference numeral 210 in FIG. 2 defines connection information 218-2 for making reference to "content 7" 218 and "content 7" 218 referring to "content 4" 215 Quot; Content 8 "219 refers to " Content 5" 216 and "Content 6" 217 with respect to "Content 8" Respectively.

In this case, the update request unit 113 may further include an associated content checking unit 125 and an associated content selecting unit 126.

The related content verifying unit 125 checks the at least one first content file 212, 215, or 217 in the first verifying unit 115 to determine whether the plurality of content files 212 At least one first associated content file (212, 215, 217) in which connection information is defined as being referenced to the at least one first content file (212, 215, 217) among the plurality of content files (213, 214, 215, 216, 217, 218, 218, 219).

In relation to this, in the embodiment of FIG. 2, "content 7" 218 is set to "content 7" 218 among the plurality of content files 212, 213, 214, 215, 216, 217, 218, 218-2 is defined to be referred to this "content 4" 215, and for the "content 8" 219, "content 8" 219 is referred to as "content 6" 217 The association content identification unit 125 identifies the content 7 218 and the content 8 219 to the at least one first associated content file 218, 219).

The association content selection unit 126 is further configured to determine whether the at least one first content file 218, 219 is associated with the at least one first content file 212, 215, 217 in the OPF file, And selects at least one second associated content file in which the connection information is defined as the content.

2, "Content 7" 218 of the at least one first associated content file 218, 219 is associated content referenced only to "Content 4" 215, Quot; content 8 "219 has association information defined as an associated content referenced to" content 5 "216 and" content 6 "217, Wherein at least one of the first associated content files (218, 219) has connection information defined as associated content referenced only to the at least one first content file (212, 215, 217) in the OPF file Quot; Content 7 "218 as the second associated content file.

At this time, the update list generation unit 119 adds the at least one second association content file 218 in the update list, and updates the at least one second association content file 218 in the update list The deletion command can be allocated.

The content deletion unit 121 deletes the plurality of contents included in the electronic book package based on the deletion instruction assigned to the at least one first content file 212, (212, 215, 217) among the files (212, 213, 214, 215, 216, 217, 218, 219) The at least one of the plurality of content files (212, 213, 214, 215, 216, 217, 218, 219) included in the electronic book package based on the deletion instruction assigned to the content file Lt; RTI ID = 0.0 > 218 < / RTI >

That is, even if "content 7" 227 is defined in the first OPF file received from the electronic book management server 130, the content deletion unit 121 deletes the content Content 7 " 218 is "content 7" 218 in that it is linked to the associated content referenced only to "content 4" Quot; Content 4 "(215).

At this time, "content 8" 219 is related content referred to "content 6" 217 deleted from the e-book package, but is also referred to "content 5" Content 8 "219 is not deleted from the e-book package, unlike" content 7 "

3 is a flowchart illustrating a content portion update method of an electronic book terminal apparatus according to an embodiment of the present invention.

In step S310, the first OPF file having the latest version information stored in the electronic book management server, corresponding to the OPF file included in the electronic book package stored in the electronic book terminal apparatus, Request file transfer.

At this time, the OPF file includes version information of the OPF file itself, list information of a plurality of content files included in the electronic book package, version information of the plurality of content files included in the electronic book package Is defined.

In step S320, when the first OPF file is received from the electronic book management server, the latest version information defined in the first OPF file is extracted from the first OPF file and stored in the electronic book terminal device The version information of the OPF file itself is extracted from the OPF file included in the electronic book package.

In step S330, the latest version information extracted from the first OPF file is compared with the version information of the OPF file itself. If the version information of the OPF file itself does not match the latest version information, Compares list information and version information of the defined plurality of content files with list information and version information of a plurality of first content files defined in the first OPF file, And requests transmission of update data for updating the plurality of content files.

In step S340, after receiving update data for the plurality of content files from the electronic book management server, update is performed on the electronic book package based on the update data.

According to an embodiment of the present invention, in step S330, list information on the plurality of content files defined in the OPF file and list information on the plurality of first content files Comparing at least one first content file that is not present in the plurality of first content files among the plurality of content files by comparing list information on the plurality of content files Of the plurality of first content files and list information of the plurality of first content files defined in the first OPF file to compare the list information of the plurality of first content files with the list information of the plurality of first content files Checking a second content file, determining version information about the plurality of content files defined in the OPF file And compares version information of the plurality of first content files defined in the first OPF file with at least one third version of content files that do not match version information of the plurality of content files of the plurality of first content files. Confirming the content file, and requesting the e-book management server to transmit the at least one second content file and the at least one third content file to the e-book management server.

According to an embodiment of the present invention, in step S330, an erase command is assigned to the at least one first content file, an additional command is assigned to the at least one second content file, Assigning an override instruction to a third content file to provide at least one of the at least one first content file, the at least one second content file, and the at least one third content file with the delete command, And generating an update list to which the replacement instruction is allocated.

According to an embodiment of the present invention, in step S340, the method includes receiving the at least one second content file and the at least one third content file from the electronic book management server, Deleting the at least one first content file among the plurality of content files included in the electronic book package based on the delete command assigned to one first content file, Adding the at least one second content file received from the electronic book management server to the plurality of content files included in the electronic book package based on the additional command allocated to one second content file Assigning to the at least one third content file on the update list, And a content file corresponding to the at least one third content file among the plurality of content files included in the electronic book package based on the substitute command, 3 content file, and replacing the OPF file included in the e-book package with the first OPF file to complete the update of the e-book package.

According to an embodiment of the present invention, when there is at least one associated content file referenced to another content file in the plurality of content files among the plurality of content files, For each of the at least one associated content file in the list information for the content files, connection information for the referenced content file may be additionally defined.

At this time, in step S330, when confirmation of the at least one first content file is completed, connection information is defined as being referred to the at least one first content file among the plurality of content files in the OPF file Identifying at least one first associated content file that has at least one first associated content file and connection information as an associated content that is referenced only to the at least one first content file in the OPF file of the at least one first associated content file And selecting at least one second associated content file.

Wherein the step of creating the update list includes adding the at least one second associated content file in the update list and assigning the delete command to the at least one second associated content file in the update list Wherein deleting the at least one first content file comprises deleting the plurality of contents included in the electronic book package based on the deletion instruction assigned to the at least one first content file on the update list, Wherein the deletion of the at least one first content file among the plurality of files included in the electronic book package based on the deletion instruction assigned to the at least one second associated content file on the update list, Deletes the at least one second associated content file from the files can do.

The contents portion updating method of the electronic book terminal apparatus according to the embodiment of the present invention has been described above with reference to FIG. Here, the method of updating the content portion of the electronic book terminal apparatus according to an embodiment of the present invention may correspond to the configuration of the operation of the electronic book terminal apparatus 110 described with reference to FIGS. 1 and 2, A detailed description thereof will be omitted.

A method of updating a content portion of an electronic book terminal apparatus according to an embodiment of the present invention may be implemented by a computer program stored in a storage medium for execution via a combination with a computer.

In addition, the method of updating the content portion of the electronic book terminal apparatus according to an embodiment of the present invention may be implemented in the form of a program command that can be executed through various computer means and recorded in a computer readable medium. The computer-readable medium may include program instructions, data files, data structures, and the like, alone or in combination. The program instructions recorded on the medium may be those specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. Examples of computer-readable media include magnetic media such as hard disks, floppy disks and magnetic tape; optical media such as CD-ROMs and DVDs; magnetic media such as floppy disks; Magneto-optical media, and hardware devices specifically configured to store and execute program instructions such as ROM, RAM, flash memory, and the like. Examples of program instructions include machine language code such as those produced by a compiler, as well as high-level language code that can be executed by a computer using an interpreter or the like. The hardware devices described above may be configured to operate as one or more software modules to perform the operations of the present invention, and vice versa.

As described above, the present invention has been described with reference to particular embodiments, such as specific elements, and specific embodiments and drawings. However, it should be understood that the present invention is not limited to the above- And various modifications and changes may be made thereto by those skilled in the art to which the present invention pertains.

Accordingly, the spirit of the present invention should not be construed as being limited to the embodiments described, and all of the equivalents or equivalents of the claims, as well as the following claims, belong to the scope of the present invention .

110: electronic book terminal device
111: The latest OPF (Open Packaging Format) request unit
112: version information extracting unit 113:
114: e-book updating unit 115: first confirming unit
116: second verification unit 117: third verification unit
118: Content file transmission request unit 119: Update list generation unit
120: content receiving unit 121:
122: Content addition unit 123: Content replacement unit
124: update completion processing unit 125:
126: Associated content selection unit
130: electronic book management server

Claims (12)

In the electronic book terminal apparatus,
(OPF) file included in an electronic book package stored in the electronic book terminal device, the OPF file including version information of the OPF file itself, The latest version information stored in the electronic book management server corresponding to the list information for the plurality of content files and the version information for the plurality of content files included in the electronic book package is defined A latest OPF request unit for requesting transmission of the first OPF file having the first OPF file;
Extracting latest version information defined in the first OPF file from the first OPF file when the first OPF file is received from the electronic book management server, A version information extracting unit for extracting version information of the OPF file itself from the OPF file included in the OPF file;
Comparing the latest version information extracted from the first OPF file with version information of the OPF file itself and if the version information of the OPF file itself does not match the latest version information, Compares the list information and version information of the content files of the first OPF file with the list information and version information of the plurality of first content files defined in the first OPF file, An update request unit for requesting transmission of update data for updating of the update data; And
An e-book updating unit for updating the e-book package based on the update data after receiving update data for the plurality of content files from the e-book management server,
And the electronic book terminal device. The method according to claim 1,
The update request unit
Comparing the list information of the plurality of content files defined in the OPF file with the list information of the plurality of first content files defined in the first OPF file, A first checking unit for checking at least one first content file not present in the plurality of first content files;
Comparing the list information of the plurality of content files defined in the OPF file with the list information of the plurality of first content files defined in the first OPF file, A second checking unit for checking at least one second content file that does not exist in the plurality of content files;
Comparing the version information of the plurality of content files defined in the OPF file with the version information of the plurality of first content files defined in the first OPF file, A third verification unit for verifying at least one third content file that does not match the version information of the plurality of content files; And
A content file transfer requesting unit for requesting transfer of the at least one second content file and the at least one third content file to the electronic book management server;
And the electronic book terminal device. 3. The method of claim 2,
The update request unit
Assigning an erase command for the at least one first content file, allocating an additional command for the at least one second content file, and assigning a replacement command for the at least one third content file, An update list generation unit for generating an update list to which the deletion command, the additional command, and the replacement command are assigned to one first content file, the at least one second content file, and the at least one third content file,
The electronic book terminal apparatus further comprising: The method of claim 3,
The e-book updating unit
A content receiving unit for receiving the at least one second content file and the at least one third content file from the electronic book management server;
Deletes the at least one first content file among the plurality of content files included in the electronic book package based on the deletion instruction assigned to the at least one first content file on the update list part;
And the at least one second content file received from the e-book management server for the plurality of content files included in the e-book package based on the additional command assigned to the at least one second content file on the update list A content adding unit for adding a second content file;
A content file corresponding to the at least one third content file among the plurality of content files included in the electronic book package based on the replacement instruction assigned to the at least one third content file on the update list, With the at least one third content file received from the electronic book management server; And
An update completion processing unit for replacing the OPF file included in the electronic book package with the first OPF file to complete the update of the electronic book package;
And the electronic book terminal device. 5. The method of claim 4,
The OPF file
Wherein if there is at least one associated content file that is referenced to another content file in the plurality of content files of the plurality of content files, then, in the list information for the plurality of content files, For each file, connection information for the referenced target content file is additionally defined,
The update request unit
Wherein at least one first association file in which connection information is defined as being referenced to the at least one first content file of the plurality of content files in the OPF file upon completion of verification of the at least one first content file, An associated content identification unit for identifying a content file; And
Selecting at least one second associated content file in which connection information is defined as related content that is referred only to the at least one first content file in the OPF file of the at least one first associated content file; part
Further comprising:
The update list generation unit
Assigning the delete command to the at least one second associated content file within the update list while adding the at least one second associated content file in the update list,
The content deletion unit
Deletes the at least one first content file among the plurality of content files included in the electronic book package based on the deletion instruction assigned to the at least one first content file on the update list, Deletes the at least one second associated content file of the plurality of content files contained in the electronic book package based on the delete command assigned to the at least one second associated content file on the update list. Book terminal device. A method of updating a content portion of an electronic book terminal apparatus,
(OPF) file included in an electronic book package stored in the electronic book terminal device, the OPF file including version information of the OPF file itself, The latest version information stored in the electronic book management server corresponding to the list information for the plurality of content files and the version information for the plurality of content files included in the electronic book package is defined Requesting transmission of a first OPF file having the first OPF file;
Extracting latest version information defined in the first OPF file from the first OPF file when the first OPF file is received from the electronic book management server, Extracting version information of the OPF file itself from the OPF file included in the OPF file;
Comparing the latest version information extracted from the first OPF file with version information of the OPF file itself and if the version information of the OPF file itself does not match the latest version information, Compares the list information and version information of the content files of the first OPF file with the list information and version information of the plurality of first content files defined in the first OPF file, Requesting transmission of update data for updating of the update data; And
Receiving update data for the plurality of content files from the e-book management server and performing an update on the e-book package based on the update data
And updating the content portion of the electronic book terminal device. The method according to claim 6,
The step of requesting transmission of the update data
Comparing the list information of the plurality of content files defined in the OPF file with the list information of the plurality of first content files defined in the first OPF file, Identifying at least one first content file that does not exist in the plurality of first content files;
Comparing the list information of the plurality of content files defined in the OPF file with the list information of the plurality of first content files defined in the first OPF file, Identifying at least one second content file that does not exist in the plurality of content files;
Comparing the version information of the plurality of content files defined in the OPF file with the version information of the plurality of first content files defined in the first OPF file, Identifying at least one third content file that does not match the version information of the plurality of content files; And
Requesting the e-book management server to transmit the at least one second content file and the at least one third content file to the e-book management server
And updating the content portion of the electronic book terminal device. 8. The method of claim 7,
The step of requesting transmission of the update data
Assigning an erase command for the at least one first content file, allocating an additional command for the at least one second content file, and assigning a replacement command for the at least one third content file, Generating an update list to which the deletion command, the additional command, and the replacement command are assigned for one first content file, the at least one second content file, and the at least one third content file
And updating the content portion of the electronic book terminal device. 9. The method of claim 8,
The step of performing the update
Receiving the at least one second content file and the at least one third content file from the electronic book management server;
Deleting the at least one first content file among the plurality of content files included in the electronic book package based on the deletion instruction assigned to the at least one first content file on the update list;
And the at least one second content file received from the e-book management server for the plurality of content files included in the e-book package based on the additional command assigned to the at least one second content file on the update list Adding a second content file;
A content file corresponding to the at least one third content file among the plurality of content files included in the electronic book package based on the replacement instruction assigned to the at least one third content file on the update list, With the at least one third content file received from the electronic book management server; And
Completing the update to the e-book package by replacing the OPF file included in the e-book package with the first OPF file
And updating the content portion of the electronic book terminal device. 10. The method of claim 9,
The OPF file
Wherein if there is at least one associated content file that is referenced to another content file in the plurality of content files of the plurality of content files, then, in the list information for the plurality of content files, For each file, connection information for the referenced target content file is additionally defined,
The step of requesting transmission of the update data
Wherein at least one first association file in which connection information is defined as being referenced to the at least one first content file of the plurality of content files in the OPF file upon completion of verification of the at least one first content file, Checking a content file; And
Selecting at least one second associated content file in which connection information is defined as related content that is referenced only to the at least one first content file in the OPF file of the at least one first associated content file
Further comprising:
The step of generating the update list
Assigning the delete command to the at least one second associated content file within the update list while adding the at least one second associated content file in the update list,
The step of deleting the at least one first content file
Deletes the at least one first content file among the plurality of content files included in the electronic book package based on the deletion instruction assigned to the at least one first content file on the update list, Deletes the at least one second associated content file of the plurality of content files contained in the electronic book package based on the delete command assigned to the at least one second associated content file on the update list. A method for updating a content portion of a book terminal device. A computer-readable recording medium recording a program for performing the method according to any one of claims 6 to 10. 11. A computer program stored in a storage medium for executing the method of any one of claims 6 to 10 through a combination with a computer.

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