WO2014081049A1

WO2014081049A1 - Electronic document reader and method for controlling same

Info

Publication number: WO2014081049A1
Application number: PCT/KR2012/009820
Authority: WO
Inventors: 김태우; 김남수
Original assignee: 모글루(주)
Priority date: 2012-11-20
Filing date: 2012-11-20
Publication date: 2014-05-30

Abstract

The present invention relates to an electronic document reader and a method for controlling the same, and the electronic document reader is capable of reading electronic documents which are used like books by recording information such as text and images in electronic media, and further, allowing users to read from a desired page by downloading content files in page order when users read the electronic document.

Description

Electronic document reader and its control method

The present invention can read an electronic document used as a book by recording information such as a text or an image on an electronic medium, and furthermore, by reading content files page by page when reading the electronic document, the user can browse from the desired page. A document reader and its control method.

An electronic book (e-book) refers to a digital book that can be used as a book by recording information such as text and images on an electronic medium. That is, a digital book that is published or can be published as a book is recorded on an electronic recording medium or storage device using digital data, and then the digital book is read and viewed by a computer or a mobile terminal through a wired or wireless information communication network. Collectively.

Since Nippon Electric Company (NEC) first commercialized e-books, the e-book industry has developed rapidly, with improved screen resolution and various editing functions, so that users can turn pages with just a click, enlarge and reduce text as well as notes, It is also possible to search documents and download contents of Internet bookstores and libraries. It's also much cheaper than paper books, saves time through online purchases, and allows you to buy only what you need. You can watch videos and listen to background music while reading, or you can easily find the books you want anytime, anywhere by storing them on your PDA or portable device. From a publisher's point of view, it is possible to save production and distribution costs for printing and binding, and to reduce the burden of inventory and to easily update book contents. For readers, it is much cheaper than paper books and can save time by purchasing online without going to a bookstore. You can also watch videos, listen to background music while reading, and easily find the books you want anytime, anywhere through your mobile device.

The background art described above is technical information possessed by the inventors for the derivation of the present invention or acquired during the derivation process of the present invention, and is not necessarily a publicly known technique disclosed to the general public before the application of the present invention.

In the present invention, when downloading interactive content from an application server to an electronic document reader, the content list file of the interactive content is first downloaded from the application server to the electronic document reader, and then the content files are downloaded in the order of the content list described in the content list file. Accordingly, it is an object of the present invention to provide an electronic document reader and a control method thereof that can receive only a part of the interactive content and display it first without downloading the entire interactive content.

The present invention provides a user interface for receiving a user input signal; When a download execution signal for a predetermined interactive content is input through the user interface unit, request the application server to transmit a content list file of the interactive content, and read the content list file of the interactive content transmitted from the application server ( a read unit for requesting transmission of a content file to the application server in the order of the content list described in the content list file; And a display execution unit configured to display a screen including at least a part of the downloaded content file for each page under the control of the controller.

In the present invention, a list of the contents included in the interactive contents may be described for each page in the contents list file.

The content list file may further include a list of meta files in which arrangement information of the content files according to the type of the electronic document reader is recorded.

In the present invention, the control unit may control the display execution unit such that even if the entire content file included in the predetermined interactive content is downloaded from the page where the download of the included contents is completed, the controller may be displayed.

In the present invention, when a reading execution signal for a specific page of the interactive content is input through the user interface unit, the controller determines whether to download content files included in the specific page, and includes the content included in the specific page. If the files have not been downloaded, the application server may preferentially request a transmission of the content files included in the specific page.

According to another aspect of the present invention, there is provided a method of controlling an electronic document reader, comprising: executing an electronic document viewer application in the electronic document reader; Requesting transmission of a content list file of the interactive content from the electronic document reader to an application server when a download execution signal for predetermined interactive content is input; Reading a content list file of the corresponding interactive content transmitted from the application server in the electronic document reader; Requesting transmission of a content file from the electronic document reader to the application server in the order of the content list described in the content list file; And downloading each of the content files in the order of the content list described in the content list file from the application server to the electronic document reader.

In the present invention, even if the entire content file included in the predetermined interactive content is downloaded before the completion of the download, the page may be displayed from the page where the download of the included contents is completed.

The method of claim 1, further comprising: inputting a reading performance signal for a specific page of the interactive content to the electronic document reader; Checking whether the electronic document reader has downloaded content files included in the specific page; And when the content files included in the specific page are not downloaded, the content files included in the specific page are preferentially downloaded.

According to the present invention, even if the user does not download the entire interactive content, only a part thereof is received and displayed first, thereby significantly reducing the user waiting time.

1 is a block diagram schematically illustrating an electronic document reader and an electronic document reading system according to an embodiment of the present invention.

2 is a block diagram illustrating in more detail the electronic document reader and electronic document reading system of FIG. 1.

3 is a flowchart illustrating a control method of an electronic document reader according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention.

Referring to FIG. 1, an electronic document reader and an electronic document reading system 10 according to an embodiment of the present invention are connected to at least one electronic document reader 200 and the electronic document reader 200. And an application server 300 for providing predetermined interactive content to the electronic document reader 200, and a communication network 400 connecting the electronic document reader 200 and the application server 300. In addition, the electronic document reader and electronic document reading system 10 according to an embodiment of the present invention may further include one or more electronic document production apparatus 100.

The electronic document production apparatuses 100 and the electronic document readers 200 refer to various types of terminals on which applications capable of producing and reading electronic documents may be installed and run. That is, the electronic document producing apparatus 100 and the electronic document reader 200 may be a tablet personal computer, a mobile telephone, a smart phone, a telephone, a personal computer. And a client computing environment, such as a personal digital assistant, an e-book reader.

Here, although the electronic document producing apparatus 100 is shown as a personal computer and the electronic document reader 200 is a smart phone in FIG. 1, the spirit of the present invention is not limited thereto. As described above, it would be conceivable that all kinds of electronic devices capable of installing and running applications for producing and reading electronic documents can be envisioned.

Meanwhile, the communication network 400 connects the plurality of electronic document producing apparatuses 100 with the application server 300 and / or the plurality of electronic document readers 200 and the application server 300. That is, the communication network 400 refers to a communication network that provides an access path so that the electronic document producing apparatuses 100 and the electronic document readers 200 may transmit and receive packet data after accessing the application server 300. That is, the communication network 400 of FIG. 1 may be a fixed or wireless LAN, a WAN, an intranet, an extranet, a peer-to-peer network, a virtual private network, or the Internet. Or substantially the same component as a communication network comprising one or more or a combination of other communication networks.

On the other hand, the application server 300 is connected to the electronic document production device 100 and the electronic document reader 200 through the communication network 400, to provide an electronic document production application to the electronic document production device 100, The electronic document viewer application is provided to the reader 200, and the interactive document is provided to the electronic document reader 200.

Here, the electronic document reader and electronic document reading system 10 according to an embodiment of the present invention downloads the interactive content from the application server 300 to the electronic document reader 200, the electronic document in the application server 300 The content list file of the corresponding interactive content is downloaded to the reader 200 first, and then the content files are downloaded in the order of the content list described in the content list file, so that only a part of the interactive content can be received and displayed first without being downloaded. It is characterized by the thing.

In detail, when downloading and reading a predetermined interactive content by using an electronic document reader, it has been common to download a plurality of content files included in the interactive content and then display it. However, in the case of content files such as music files, image files, and video files included in electronic documents, their capacity is often relatively large. In this case, since a plurality of content files included in the interactive content are downloaded and displayed, it takes a considerable time to transmit the content file, so that a user who wants to read the necessary page first has a great inconvenience. . In particular, there has been a problem that a user who wants to view only part of the interactive content but needs to download all of a plurality of content files included in the interactive content first.

In order to solve this problem, the electronic document reader and the electronic document reading system 10 according to an embodiment of the present invention, the content list file of the corresponding interactive content from the application server 300 to the electronic document reader 200 first; After downloading, the content files are downloaded in the order of the content list described in the content list file, thereby minimizing the time required for displaying the interactive content. Hereinafter, the present invention will be described in more detail.

2, an electronic document reader 200 according to an embodiment of the present invention may include a communication unit 210, a user interface unit 260, a control unit 220, a display execution unit 240, and a database ( 250), and the like.

The communication unit 210 serves to connect the electronic document reader 200 and the application server 300 through a communication network (see 400 of FIG. 1).

The user interface unit 260 receives a user input signal. In detail, the user interface unit 260 receives an input signal from the user and simultaneously outputs an output signal to the user, and may include a keyboard, a mouse, a monitor, and the like. In addition, the user interface unit 260 may be a touch screen or the like of a tablet personal computer.

The display execution unit 240 serves to display the interactive content downloaded from the application server 300 to the electronic document reader 200 under the control of the control unit 220, wherein the display execution unit 240 controls the control unit 220. Under the control of 220, even if the entire content file included in the interactive content is completed before downloading, the page may be displayed starting from the page where the downloading of the included contents is completed.

The database 250 may include a content list file database 251 and a content file database 253.

Here, the content list file database 251 may store a content list file downloaded from the application server 300 and the like. Here, the content list file may include a list of contents included in the interactive content for each page, and further, a list of meta files in which arrangement information of content files according to the type of the electronic document reader 200 is recorded. It may be further described.

The content file database 253 may store a content file downloaded from the application server 300 and the like. In this case, the content file may be a music file, an image file, a video file, or the like created by an external application.

When the download execution signal for the predetermined interactive content is input through the user interface unit 260, the controller 220 controls the communication unit 210 to request the application server 300 to transmit the content list file of the interactive content. It can play a role. In addition, when the content list file for the interactive content is downloaded from the application server 300, the controller 220 may read the content list file and store it in the content list file database 251. Furthermore, the controller 220 requests the transmission of the content file to the application server 300 in the order of the content list described in the read content list file, and stores the downloaded content files in the content file database 253. can do.

Here, the content list file for the interactive content may be provided in the following form.

[XML]

iPad.xml md5 hash dasdasdoigjsldgj

iPhone.xml md5 hash dasdasdoigjsldgj

iPhone4.xml md5 hash dasdasdoigjsldgj

[One]

background1.png

duck.png

egg.png

[2]

background2.png

pond.png

rock.png

pong.m4a

backgroundmusic.m4a

[3]

...

Here, [1], [2], [3], and the like refer to page numbers of interactive content, and contents listed under each page number indicate names of content files to be included in each page. For example, page 1 contains three content files: "background1.png", "duck.png", and "egg.png", and page 2 contains "background2.png", "pond.png", and "rock." Five content files, ".png", "pong.m4a", and "backgroundmusic.m4a" may be included.

The controller 220 may request to transmit the content file to the application server 300 in the order of the content list described in the content list file, and download the content file in that order. In addition, the controller 220 may display the page from which the download of the belonging content files is completed even before the entire content files of the interactive content are downloaded.

For example, the control unit 220 reads the content list file, and includes three content files of "background1.png", "duck.png", and "egg.png" included in page 1, and the contents included in page 2. The application server 300 may request that the five content files of "background2.png", "pond.png", "rock.png", "pong.m4a", and "backgroundmusic.m4a" be sequentially transmitted. When the transfer of the three content files of "background1.png", "duck.png", and "egg.png" included in page 1 is completed, the page 1 is immediately before the remaining five files are completed. It can be displayed. As described above, even if all the content files included in the interactive content are downloaded, the waiting time of the user can be remarkably reduced by displaying the page from which the download of the belonging content files is completed.

On the other hand, when a reading execution signal for a specific page of the interactive content is input through the user interface unit 260, the controller 220 checks whether the content files included in the page are downloaded and the content file included in the page. If they have not been downloaded, the application server 300 may preferentially request a transmission for the content files included in the page.

Meanwhile, the content described below the [XML] tag in the content list file may indicate a list of meta files in which arrangement information of the content files according to the type of the electronic document reader is recorded. For example, in the iPad, which is a type of tablet personal computer, the meta file in which the arrangement information of the content files when the interactive content is displayed is “iPad.xml” and the smartphone ( The meta file in which the arrangement information of the content files when the interactive content is displayed on the iPhone, which is one type of smart phone, may be recorded as “iPhone.xml”.

Referring back to FIG. 2, the application server 300 according to an embodiment of the present invention may include a communication unit 310, a control unit 320, a database 350, and the like.

The communication unit 310 serves to connect the electronic document reader 200 and the application server 300 through the communication network 400.

The database 350 may include a content list file database 351 and a content file database 353. Here, the content list file database 351 may store a content list file for each interactive content. Here, the content list file may include a list of contents included in the interactive content for each page, and further, a list of meta files in which arrangement information of content files according to the type of the electronic document reader 200 is recorded. It may be further described. Meanwhile, the content file database 353 may store content list files included in each interactive content. In this case, the content file may be a music file, an image file, a video file, or the like.

The control unit 320 performs a function of extracting a content list file transmission request for a predetermined interactive content from the electronic document reader 200 and extracting it from the content list file database 351 and transmitting the extracted content list file to the electronic document reader 200. do. In addition, when the content file transmission request for the predetermined interactive content is received from the electronic document reader 200, the controller 320 extracts it from the content file database 353 and transmits the same to the electronic document reader 200. do.

According to the present invention, even if the user does not download the entire interactive content, only a part thereof is received and displayed first, thereby significantly reducing the user waiting time. Furthermore, a model of releasing some pages of the interactive content for free and rest of the pages for a fee becomes possible, and when the paid page is purchased, the interactive content can be continuously viewed without interruption of use.

Hereinafter, a method of controlling an electronic document reader according to an embodiment of the present invention will be described in detail.

First, a user who wants to view an electronic document using the electronic document reader of the present invention executes an electronic document viewer application on an electronic document reader 200 such as a tablet personal computer and a smart phone. . Then, the electronic document viewer program is driven in the electronic document reader 200.

A user who executes the electronic document viewer application on the electronic document reader 200 may input a download performance signal for predetermined interactive content to be viewed through the user interface unit 260.

Then, the control unit 220 of the electronic document reader 200 requests the download of the respective content files included in the interactive content to the application server 300 through the communication unit 210 of the interactive content, Request to transfer the content list file.

As such, the controller 320 of the application server 300 that is requested to transmit the content list file extracts the content list file of the corresponding interactive content from the content list file database 351, and transmits the content list file to the electronic document reader 200. Therefore, the electronic document reader 200 downloads the content list file of the interactive content.

Next, the controller 220 of the electronic document reader 200 may read the downloaded content list file and store it in the content list file database 251. In addition, the controller 220 of the electronic document reader 200 requests the transmission of the content file to the application server 300 in the order of the content list described in the content list file.

Then, the control unit 320 of the application server 300 extracts the content file requested from the content file database 353 and transmits the content file to the electronic document reader 200 in turn, and the electronic document reader 200 transmits the content file. These files are downloaded one by one and stored in the content file database 253.

Meanwhile, while the content files are downloaded from the electronic document reader 200 or after the download is completed, the user may input a read performance signal for a specific page to be viewed through the user interface 260.

In this case, the controller 220 of the electronic document reader 200 determines whether among the content files downloaded to date, the content files included in the page on which the read performance signal is input are included. If, among the content files downloaded to date, the content files included in the page on which the reading execution signal is input are included, the controller 220 controls the display execution unit 240 to display the corresponding page immediately. do.

On the other hand, when the content files included in the page to which the reading execution signal is input among the content files downloaded so far are not included, the controller 220 preferentially transmits the content files included in the page. Request to server 300. Then, the controller 320 of the application server 300 extracts the requested content file from the content file database 353 and transmits the content file to the electronic document reader 200 in turn, and the electronic document reader 200 transmits the transmitted content files. After downloading in turn, the display execution unit 240 is controlled to display the corresponding page immediately.

In the present specification, the present invention has been described with reference to limited embodiments, but various embodiments are possible within the scope of the present invention. In addition, although not described, equivalent means will also be referred to as incorporated in the present invention. Therefore, the true scope of the present invention will be defined by the claims below.

The present invention can read an electronic document used as a book by recording information such as a text or an image on an electronic medium, and furthermore, by reading content files page by page when reading the electronic document, the user can browse from the desired page. It can be used for a document reader and its control method.

Claims

A user interface to receive a user input signal;

When a download execution signal for a predetermined interactive content is input through the user interface unit, request the application server to transmit a content list file of the interactive content, and read the content list file of the interactive content transmitted from the application server ( a read unit for requesting transmission of a content file to the application server in the order of the content list described in the content list file; And

And a display execution unit configured to display a screen including at least a part of the downloaded content file for each page under the control of the controller.
The method of claim 1,

And a list of the contents included in the interactive contents in each content list file.
The method of claim 2,

And the content list file further includes a list of meta files in which arrangement information of the content files according to the type of the electronic document reader is recorded.
The method of claim 1,

And the controller controls the display execution unit to display the page from which the download of the included contents is completed even before the entire content file included in the predetermined interactive content is completed.
The method of claim 1,

When a reading execution signal for a specific page of the interactive content is input through the user interface unit, the controller checks whether the content files included in the specific page are downloaded, and if the content files included in the specific page are not downloaded. The electronic document reader of claim 1, wherein the application server preferentially transmits the content files included in the specific page.
In the control method of an electronic document reader,

Executing an electronic document viewer application on the electronic document reader;

Requesting transmission of a content list file of the interactive content from the electronic document reader to an application server when a download execution signal for predetermined interactive content is input;

Reading a content list file of the corresponding interactive content transmitted from the application server in the electronic document reader;

Requesting transmission of a content file from the electronic document reader to the application server in the order of the content list described in the content list file; And

And downloading each of the content files from the application server to the electronic document reader in the order of the content list described in the content list file.
The method of claim 6,

And a list of the contents included in the interactive contents for each page in the contents list file.
The method of claim 7, wherein

And the content list file further includes a list of meta files in which arrangement information of the content files according to the type of the electronic document reader is recorded.
The method of claim 6,

The control method of the electronic document reader, characterized in that even if the entire content file included in the predetermined interactive content is downloaded before the completion of the download of the included content.
The method of claim 6,

Inputting a reading performance signal for a specific page of the interactive content to the electronic document reader;

Checking whether the electronic document reader has downloaded content files included in the specific page; And

And when the content files included in the specific page are not downloaded, the content files included in the specific page are preferentially downloaded.