JP2006301788A - Portable terminal, and method and program for controlling the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a portable terminal, and a method and a program for controlling the same for arranging unnecessary reference information without requiring a user to conduct complicated deletion work. <P>SOLUTION: When the user inputs an acquiring instruction of a desired content from an operation unit 12, a browser unit 22 requests the data of the desired content to a server on the basis of reference information stored in a reference information storage unit. The server checks the presence or absence of the information, and when it has been already deleted, the server notifies that it is impossible to acquire data instructed through the information to the browser unit 22. When the browser unit 22 receives the notification, a display control unit 20 displays a screen for inquiring whether the information should be deleted or not to the user on a display unit 10, and when the deletion instruction is input from the user, a reference information management unit 24 deletes the information stored in the storage unit. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention relates to an improvement of a mobile terminal capable of displaying content using reference information for referring to content on a communication network.

  Conventionally, portable terminals that can display content on a communication network such as the Internet have been put into practical use. In such a portable terminal, reference information for referring to the content existing on the communication network is stored in advance, and when referring to the content, the corresponding reference information is called to access the desired content. The structure to be adopted is adopted.

For example, Patent Literature 1 below discloses a mobile radio terminal device that can automatically update a URL registered in a bookmark when a URL (Uniform Resource Locator) that specifies content is changed.
JP 2004-110094 A

  However, in the above conventional technique, when a desired content cannot be accessed, the user needs to perform an operation of deleting reference information such as a URL that cannot be used, and the operation is complicated. there were.

  In the conventional configuration in which the bookmark is automatically updated when the URL is changed, the user does not need to delete the URL that cannot be used, but the URL is deleted from the server and a new access destination is not designated. There is a problem that the user cannot be deleted.

  The present invention has been made in view of the above-described conventional problems, and an object of the present invention is to provide a portable terminal, a portable terminal control method, and a program that can organize unnecessary reference information without requiring a user to perform complicated deletion operations. It is to provide.

  In order to achieve the above object, the present invention is a portable terminal capable of outputting content on a communication network, based on reference information storage means for storing reference information for referring to the content, and the reference information. When the data acquisition means for acquiring content data and the data acquisition means receive notification that the desired content data cannot be acquired, reference information corresponding to the content is obtained from the reference information storage means. And a reference information management means to be deleted. Here, the notification that the data of the desired content cannot be acquired is the status code 404 or 410 of the HTTP protocol.

  The present invention is also a portable terminal capable of outputting content on a communication network, wherein the data acquisition unit acquires content data based on the reference information, and the data acquisition unit acquires desired content data. And an alternative information acquisition unit that acquires reference information of other content stored in the same storage location as the content when a notification indicating that the content is impossible is received.

  The portable terminal may further include a display unit that displays other reference information acquired by the alternative information acquisition unit.

  The present invention is also a method for controlling a portable terminal capable of outputting content on a communication network, the step of storing reference information for referring to the content, and acquiring content data based on the reference information And a step of deleting reference information corresponding to the content when receiving a notification that the content data cannot be acquired.

  Further, the present invention stores reference information for referring to content on a communication network, acquires content data based on the reference information, and receives a notification that the content data cannot be acquired. Further, the present invention is a program that causes a computer to execute a process of deleting reference information corresponding to the content.

  According to the present invention, since the reference information management unit deletes the reference information of the content from which data cannot be acquired, the user does not need to perform complicated deletion work.

  Hereinafter, the best mode for carrying out the present invention (hereinafter referred to as an embodiment) will be described with reference to the drawings.

  FIG. 1 is a block diagram showing a configuration of an embodiment of a mobile terminal according to the present invention. In FIG. 1, the mobile terminal includes a display unit 10, an operation unit 12, a storage unit 14, a communication unit 16, and a control unit 18.

  The display unit 10 is composed of a liquid crystal display, for example, and displays key input contents such as character data and numerical data, various graphics, contents of content on the communication network generated by the browser unit 22, and the like.

  The key input is performed by the operation unit 12 shown in FIG. This operation part 12 is comprised by the operation button etc. of a portable terminal, for example.

  The storage unit 14 includes, for example, a working RAM of the CPU, a flash memory as a nonvolatile memory, a magnetic storage medium, and the like, such as key input content, content content, reference information for referring to the content, and the like. Various data and programs are stored.

  The communication unit 16 communicates with the base station by a known method to realize a call function as a mobile communication terminal.

  The control unit 18 includes, for example, a CPU and controls these operations while exchanging data with the display unit 10, the operation unit 12, the storage unit 14, and the communication unit 16.

  The display control unit 20 of the control unit 18 mainly controls the content displayed on the display unit 10. This display includes content display.

  The browser unit 22 accesses the content using reference information for referring to the content existing on the communication network, receives the content data from a desired website, and converts it into display data. The content may include audio data. In this case, the browser unit 22 is configured to output audio from an audio reproduction unit included in the communication unit 16. As the reference information, a URL (Uniform Resource Locator) that specifies content on the Internet and indicates the location of the content can be used.

  In addition, when the browser unit 22 receives a notification from the server on the communication network that the desired content data cannot be acquired, the reference information management unit 24 adds the content stored in the storage unit 14 to the content stored in the storage unit 14. Delete the corresponding reference information.

  Note that the control unit 18 described above may be a computer that is configured around a CPU. In this case, each function of the control unit 18 is realized by the CPU executing a program stored in a memory card or other medium. Is done.

  2A, 2B, 3A, and 3B show configuration examples of the reference information storage unit formed in the storage area of the storage unit 14. FIG.

  FIG. 2A is an example of a so-called bookmark in which names of contents and the like on the communication network are registered. FIG. 2B shows a URL as reference information of contents and the like registered in FIG. Stored. The name of the content etc. registered in FIG. 2A and the URL stored in FIG. 2B are associated one-to-one with the identification information (ID).

  Here, when the content of the name A shown in FIG. 2 (a) has already been deleted, when the browser unit 22 requests the content data of the name A from the server on the communication network, the server Receive notification that content data cannot be obtained. At this time, the reference information management unit 24 deletes the reference information corresponding to the content with the name A stored in the storage unit 14. 3A and 3B are examples of the reference information storage unit when the reference information corresponding to the content with the name A is deleted.

  FIG. 4 shows a list of URLs stored in a certain directory held by a server on the communication network. In the example of FIG. 4, a case where “http://saiya.msre.tsuzuki-ku.ac.jp/˜ms/home2.html” that was initially registered is deleted is shown.

  In FIG. 5, when the browser unit 22 requests the server in the communication network for data indicated by the deleted URL, the browser unit 22 receives a notification that the data cannot be acquired from the server. An example of a screen displayed on the display unit 10 is shown. In FIG. 5, the browser unit 22 acquires another URL currently stored in the storage location (directory) where the deleted URL was stored from the server, and the display control unit 20 displays a list of the URLs. Displayed on the unit 10.

  FIG. 6 shows a flow of an example of the operation of the mobile terminal shown in FIG. In FIG. 6, when the user inputs an instruction to acquire desired content from the operation unit 12, the browser unit 22 is based on the reference information stored in the reference information storage unit shown in FIGS. 2 (a) and 2 (b). Then, the server requests the data on the desired content from the server on the communication network via the communication unit 16 (S1). In this case, the browser unit 22 functions as data acquisition means of the present invention. On the server side, the presence / absence of the reference information is confirmed. If the reference information has been deleted, the server 22 notifies the browser unit 22 of the portable terminal that the data indicated by the reference information cannot be acquired (S2). This data unacquisition notification is, for example, the 404th (not found) or 410th (Gone) status code of the HTTP protocol.

  When the browser unit 22 receives the notification, the display control unit 20 displays a screen for inquiring of the user whether or not to delete the reference information on the display unit 10 (S3). When the user inputs an instruction to delete the reference information (S4), the reference information management unit 24 stores the reference information stored in the reference information storage unit shown in FIGS. 2A and 2B. Delete (S5). For example, when the reference information to be deleted is the name A shown in FIGS. 2A and 2B and the URL corresponding to the name A, the reference information storage unit after the deletion is shown in FIGS. As shown in b), the name A and the URL corresponding thereto are deleted.

  Further, when there is no instruction input to delete the reference information in S4, the deletion process in S5 is not executed. Note that the reference information management unit 24 may immediately execute the deletion process of the reference information when the browser unit 22 receives the non-acquisition notification without displaying the inquiry screen of S3.

  Next, the display control unit 20 displays a screen asking the user whether or not to display the deleted reference information and other reference information stored in the same directory on the server on the display unit 10 (S6). ). When the user inputs an instruction to display other reference information (S7), the browser unit 22 acquires the other reference information from the server via the communication unit 16, and the display control unit 20 displays on the display unit 10. The other reference information is displayed (S8). The browser unit 22 in this case functions as an alternative information acquisition unit of the present invention. For example, when the reference information deleted from the server is “http://saiya.msre.tsuzuki-ku.ac.jp/˜ms/home2.html” shown in FIG. Other URLs (URL list in FIG. 5) stored in the same directory are displayed on the display unit 10.

  If there is no instruction input for displaying other reference information in S7, the display process in S8 is not executed.

  7A to 7E show examples of screens displayed on the display unit 10 during the operation shown in FIG.

  FIG. 7A is an example of the bookmark shown in FIG. When the user selects page A from the operation unit 12 and page A is already deleted from the server, as shown in FIG. 7B, “Page A does not exist. Do you want to delete it from the bookmark? ? "Is displayed. This inquiry corresponds to the inquiry screen in S3 of FIG.

  In response to the inquiry, the user can select “Yes” or “No” using the operation unit 12. When “Yes” is selected, page A is deleted from the bookmark, and an inquiry “Do you want to display a file in the same server directory as page A” is displayed as shown in FIG. This display corresponds to the inquiry screen in S6 of FIG.

  In response to the inquiry, the user can select “Yes” or “No” using the operation unit 12. When “Yes” is selected, files in the same server directory as page A are displayed on the server, as shown in FIG. This file may be a URL file as shown in FIG.

  When the user selects one of the URLs displayed from the operation unit 12, the content data indicated by the URL is displayed on the display unit 10, as shown in FIG.

It is a block diagram of the structure of one Embodiment of the portable terminal concerning this invention. It is a figure which shows the structural example of the reference information storage part formed in the storage area of the memory | storage part in the portable terminal of FIG. It is a figure which shows the structural example of the reference information storage part formed in the storage area of the memory | storage part in the portable terminal of FIG. It is a figure which shows the list of URL stored in the directory with the server on a communication network. It is a figure which shows the example of the screen displayed on a display part when an unacquisition notification is received from a server. It is a flowchart of the example of operation | movement of the portable terminal shown by FIG. It is a figure which shows the example of the screen displayed on the display part in the portable terminal of FIG.

Explanation of symbols

  DESCRIPTION OF SYMBOLS 10 Display part, 12 Operation part, 14 Storage part, 16 Communication part, 18 Control part, 20 Display control part, 22 Browser part, 24 Reference information management part.

Claims (6)

A portable terminal capable of outputting content on a communication network,
Reference information storage means for storing reference information for referring to the content;
Data acquisition means for acquiring content data based on the reference information;
A reference information management unit that deletes reference information corresponding to the content from the reference information storage unit when the data acquisition unit receives a notification that data of desired content cannot be acquired;
A portable terminal comprising:   2. The portable terminal according to claim 1, wherein the notification that the desired content data cannot be acquired is the status code 404 or 410 of the HTTP protocol. A portable terminal capable of outputting content on a communication network,
Data acquisition means for acquiring content data based on the reference information;
Substitute information acquisition means for acquiring reference information of other contents stored in the same storage location as the content when the data acquisition means receives a notification that the data of the desired content cannot be acquired When,
A portable terminal comprising:   4. The portable terminal according to claim 3, further comprising a display unit that displays other reference information acquired by the alternative information acquiring unit. A method for controlling a mobile terminal capable of outputting content on a communication network,
Storing reference information for referring to the content;
Acquiring content data based on the reference information;
Deleting the reference information corresponding to the content when receiving a notification that the content data cannot be acquired;
A method for controlling a mobile terminal, comprising: Stores reference information for referring to content on the communication network,
Obtain content data based on the reference information,
A program for causing a computer to execute a process of deleting reference information corresponding to a content when receiving a notification that the data of the content cannot be acquired.

Images