JP2003058295A - Device for providing content information for radio terminal, method therefor, program therefor and recording medium storing the program - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for providing content information for a radio terminal with which a three-dimensional space is constituted in the radio terminal. SOLUTION: A space gateway 1 requests 3D space contents to a 3D space content server 2 to acquires them, requests image contents whose address is described in the acquired 3D space contents to a content server 3 to acquire them, converts the acquired 3D space contents and image contents to the content information for the radio terminal composed of contents for the radio terminal and the image contents for the radio terminal whose address is described in the contents for the radio terminal and transmits the converted content information for the radio terminal to a radio gateway 6. Thus, the radio gateway 6 can convert the content information for the radio terminal to image data and send them to the radio terminal 4 and the three-dimensional space is constituted in the radio terminal 4.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a content information providing apparatus for a wireless terminal, a method thereof, a program thereof and a recording medium having the program recorded therein, which enables the wireless terminal to be used for cruising in a 3D space.

[0002]

2. Description of the Related Art In recent years, a virtual three-dimensional space (hereinafter referred to as 3D) in which a plurality of images are formed on the screen of a user terminal.
A 3D space content providing system is being researched, which is arranged in a space or simply a space) and allows a user to browse images comprehensively while changing the viewpoint in the 3D space.

FIG. 16 is a diagram showing a 3D space displayed on a terminal of such a system. The user can perform multi-faceted and comprehensive browsing, that is, cruising while freely switching viewpoints in this 3D space, and a text format file called 3D space content enables such cruising.

FIG. 17 is a diagram exemplifying the description contents of 3D space contents.

The 3D space content is, for example, XML (e
Xtensible Markup Language), X-axis, Y-axis,
Meaning of each axis called Z axis and image content address (U
(Also referred to as RL), and a list of image content information represented by spatial coordinates composed of an X-axis component, a Y-axis component, and a Z-axis component. A service for providing this 3D space content to the user terminal is called a 3D space content providing service.

[0006] As shown in FIG. 18, in such a service, the user terminal 4A is a 3D XML file.
The spatial content is acquired from the 3D spatial content server 2, the 3D spatial content is analyzed, and the image content having the address described therein is acquired from the content servers 3, 3, .... Then, the 3D space is configured in the screen by the 3D space GUI function provided in the user terminal. The 3D space GUI function displays an image from an arbitrary viewpoint in the space according to a user operation. Therefore,
It feels as if you are cruising in the real space, and you can intuitively understand the position of the image.

[0007] While the technical innovation of the user interface has progressed, many mobile phones and wireless terminals such as personal digital assistants called PDAs have a function of connecting to the Internet. One of the rules for wireless terminals to communicate with the Internet is the wireless application protocol (W
AP: Wireless Application Protocol). WA
P is established by the standardization organization "WAP Forum", and is based on the protocol group and wireless markup language (WML: Wi
reless Markup Language). This WML
Is derived from Hypertext Markup Language (HTML) which is a format of contents on the Internet, and is based on the XML format. WAP
In a wireless system (WAP system) that uses Internet Explorer, a system configuration is adopted in which a user's wireless terminal (called a WAP client) does not directly communicate with a Web server on the Internet but communicates via a wireless gateway. To be done.

[0008] In the WAP system, a WML file describing the addresses of contents such as images based on the WML format is analyzed by a wireless gateway and necessary images and the like are acquired, and these become screen data in binary format. It is sent to the wireless terminal and displayed. Also, WA
In the P system, one screen is regarded as a "card", and a plurality of cards can be described in one WML file. Therefore, the content creator can freely describe the content in WML and can provide desired information to the WAP client.

[0009]

As described above, 3D
The spatial content providing service enables cruising of a 3D space, while enabling wireless terminals to communicate with the Internet.

However, some problems must be solved before the wireless terminal can be used for cruising in a 3D space.

The first problem is that the wireless terminal and the wireless gateway are originally not made on the premise of the 3D spatial content providing service. That is, the wireless terminal can receive the screen data generated by the wireless gateway by analyzing and calculating the WML file and display the screen data, but the 3D space content is described in XML or the like instead of WML. Therefore, the wireless gateway cannot analyze the 3D spatial content, and therefore cannot send the screen data to the wireless terminal.

[0012] The second problem is that the display of the wireless terminal cannot effectively display the 3D space. 3D
The advantage of the spatial content providing service is that it is possible to cruise the 3D space and intuitively understand the arrangement of the image content, but also in a wireless terminal, these two advantages are not lost. There is a need.

Moreover, the resolution of the display of the wireless terminal is only about 100 × 200 pixels, and even if the 3D space is expressed as it is on such a small display, only a very limited portion can be browsed. The wireless terminal also needs to satisfy the user's satisfaction.

As described above, there is a demand for a wireless terminal having a limited display area to effectively realize a 3D spatial content providing service while taking advantage of the advantages of the 3D spatial content providing service.

Therefore, an object of the present invention is to provide a content information providing apparatus for a wireless terminal capable of constructing a three-dimensional space, a method thereof, a program thereof, and a recording medium device storing the program. is there.

Another object of the present invention is to provide a content information providing apparatus for a wireless terminal capable of cruising a 3D space formed in the wireless terminal, a method thereof, a program thereof, and a recording medium storing the program. To provide.

[0017]

In order to solve the above-mentioned conventional problems, the present invention according to claim 1 provides a content server storing image contents and a plurality of image contents.
For providing information to a wireless terminal connected to a 3D spatial content server that stores 3D spatial content including a description that causes a display to be arranged in a three-dimensional space, and a wireless gateway that is connected to the wireless gateway. A content information providing apparatus for a wireless terminal that responds to a request made by the wireless gateway, wherein the 3D spatial content server requests and acquires 3D spatial content
Spatial content acquisition means, image content acquisition means for requesting and acquiring from the content server the image content whose address is described in the acquired 3D spatial content, and wireless terminal for the acquired 3D spatial content and image content Information converting means for converting into content information for wireless terminals, which includes content for mobile terminals and image content for wireless terminals whose addresses are described in the content for wireless terminals, and transmitting the converted content information for wireless terminals to the wireless gateway. The content information providing device for a wireless terminal is provided.

According to the present invention of claim 1, the 3D space content acquisition means requests the 3D space content server to acquire the 3D space content, and the image content acquisition means describes the address in the acquired 3D space content. The information converting means requests the content server to acquire the acquired image content, and the information conversion unit acquires the acquired 3D space content and image content for the wireless terminal and the wireless terminal image content whose address is described in the wireless terminal content. The content information responding means for the wireless terminal transmits the converted content information for the wireless terminal to the wireless gateway. Therefore, the wireless gateway based on the content information for the wireless terminal. By providing information to the wireless terminal, the wireless terminal It is possible to construct a 3-dimensional space.

The present invention according to claim 2 further comprises content information storage means for wireless terminals in which the converted content information for wireless terminals is stored, and the content for wireless terminals stored in the content information storage means for wireless terminals. When the information is requested, the content information providing device for a wireless terminal responds with the content information for the wireless terminal.

According to the present invention of claim 2, the converted content information for wireless terminals is stored in the content information storage means for wireless terminals, and the content information for wireless terminals stored in the content information storage means for wireless terminals is stored. When the request is made, the content information for the wireless terminal is made to respond. Therefore, regarding the content information for the wireless terminal that has been provided before, to the acquisition of the 3D space content and the image content and the content information for the wireless terminal, No need to convert.

According to the present invention of claim 3, in the information conversion means, the plurality of acquired image contents are X-axis components, Y-axis components of coordinates of the image contents in a three-dimensional space in a wireless terminal, or 3. The content information providing apparatus for a wireless terminal according to claim 1, wherein the content information providing apparatus for a wireless terminal is converted so that the content information for the wireless terminal is displayed one by one in an order according to the magnitude of the Z-axis component. Is the gist.

According to the present invention of claim 3, the information converting means causes the plurality of acquired image contents to be, in the wireless terminal, an X-axis component, a Y-axis component of coordinates of the image contents in a three-dimensional space, or Since the content information for the wireless terminal is converted so that the content information is displayed one by one in the order according to the size of the Z-axis component, the wireless terminal can cruise the three-dimensional space one-dimensionally.

According to the present invention of claim 4, the information converting means displays images from a plurality of viewpoints in a three-dimensional space constituted by the acquired 3D space content and image content one by one on a wireless terminal. The content information providing apparatus for a wireless terminal according to claim 1 or 2, wherein the content information providing apparatus for a wireless terminal is converted.

According to the present invention of claim 4, the information converting means displays the images from the plurality of viewpoints in the three-dimensional space constituted by the acquired 3D space contents and image contents one by one on the wireless terminal. Since it is converted to content information for wireless terminals as described above, 3
You can cruise the dimensional space.

According to a fifth aspect of the present invention, in the information conversion means, the plurality of acquired image contents are X-axis components, Y-axis components or Z-axis components of coordinates of the image contents in a three-dimensional space. Performs conversion to content information for wireless terminals, which is displayed in an order according to the size, and when the operation on the wireless terminal or the set time has elapsed, one of the images before and after is displayed. The content information providing apparatus for a wireless terminal according to claim 1 or 2, characterized in that.

According to the present invention of claim 5, the plurality of image contents acquired by the information converting means are the X-axis component, the Y-axis component or the Z-axis component of the coordinates of the image contents in the three-dimensional space. Performs conversion to content information for wireless terminals, which is displayed in an order according to the size, and when the operation on the wireless terminal or the set time has elapsed, one of the images before and after is displayed. Therefore, the wireless terminal can cruise the three-dimensional space one-dimensionally and the convenience can be improved.

According to the sixth aspect of the present invention, the information converting means displays images from a plurality of viewpoints in a three-dimensional space composed of the acquired 3D space content and image content one by one on a wireless terminal. The conversion is performed to content information for a wireless terminal such that one of the images before and after is displayed when an operation is performed on the wireless terminal or a set time has elapsed. Alternatively, the gist is that the content information providing apparatus for a wireless terminal described in 2.

According to the present invention of claim 6, the information converting means displays the images from the plurality of viewpoints in the three-dimensional space constituted by the acquired 3D space contents and image contents one by one on the wireless terminal. In addition, since the content information for the wireless terminal is displayed such that one of the images before and after is displayed when there is an operation on the wireless terminal or when the set time elapses, the wireless terminal converts the three-dimensional space. Can be cruising and the convenience can be enhanced.

The present invention according to claim 7 is characterized in that the 3D space content is described in XML, and the image content for wireless terminals is described in WML. The gist is that it is the content information providing device for a wireless terminal described in 1.

According to the present invention of claim 7, the 3D space content can be described in XML, and the image content for wireless terminals can be described in WML.

The present invention according to claim 8 relates to a content server in which image contents are stored, and a 3D space content in which a 3D space content including a description for displaying a plurality of image contents arranged in a three-dimensional space is stored. A content information providing method for a wireless terminal, which is connected to a spatial content server and a wireless gateway and is executed by a computer that responds to a request made by the wireless gateway to provide information to the wireless terminal connected to the wireless gateway. A 3D space content acquisition step of requesting and acquiring the 3D space content from the 3D space content server;
An image content acquisition step of requesting and acquiring the image content whose address is described in the acquired 3D space content from the content server;
An information conversion step of converting the D space content and the image content into content information for a wireless terminal, which includes content for the wireless terminal and image content for the wireless terminal whose address is described in the content for the wireless terminal; and the converted wireless terminal A content information providing method for a wireless terminal, comprising: sending content information for a wireless terminal to the wireless gateway.

According to the present invention of claim 8, in the 3D space content acquisition step, the 3D space content server is requested to acquire the 3D space content, and in the image content acquisition step, the address is described in the acquired 3D space content. The acquired image content by requesting the content server to acquire it, and in the information conversion stage, the acquired 3D space content and image content are content for the wireless terminal and image content for the wireless terminal whose address is described in the content for the wireless terminal. The content information for the wireless terminal is converted into the content information for the wireless terminal, and the converted content information for the wireless terminal is transmitted to the wireless gateway in the step of responding to the content information for the wireless terminal. By providing information to the wireless terminal, the wireless terminal It is possible to construct a 3-dimensional space.

According to the present invention of claim 9, the converted content information for wireless terminals is stored, and when the stored content information for wireless terminals is requested, the content information for wireless terminals is returned. It is a summary of the method for providing content information for wireless terminals according to claim 8.

According to the present invention of claim 9, the converted content information for the wireless terminal is stored, and when the stored content information for the wireless terminal is requested, the content information for the wireless terminal is responded. Therefore, it is not necessary to acquire the 3D spatial content and the image content and convert the content information for the wireless terminal, which has been provided before, into the content information for the wireless terminal.

According to the tenth aspect of the present invention, in the information converting step, the plurality of acquired image contents are X-axis components, Y-axis components or Z-axis components of coordinates of the image contents in a three-dimensional space. Performs conversion to content information for wireless terminals, which is displayed in an order according to the size, and when the operation on the wireless terminal or the set time has elapsed, one of the images before and after is displayed. It is a summary of the method for providing content information for wireless terminals according to claim 8 or 9.

According to the tenth aspect of the present invention, in the information conversion step, the acquired plurality of image contents are the X-axis component, the Y-axis component or the Z-axis component of the coordinates of the image contents in the three-dimensional space. Performs conversion to content information for wireless terminals, which is displayed in an order according to the size, and when the operation on the wireless terminal or the set time has elapsed, one of the images before and after is displayed. As a result, the wireless terminal can cruise the three-dimensional space in a one-dimensional manner, and the convenience can be improved.

According to the present invention of claim 11, in the information converting step, images from a plurality of viewpoints in a three-dimensional space constituted by the acquired 3D space content and image content are displayed one by one on a wireless terminal. The conversion to content information for a wireless terminal is performed so that one of a front image and a back image is displayed when an operation is performed on the wireless terminal or a set time has elapsed. Alternatively, the gist is that it is the content information providing method for a wireless terminal described in 9.

According to the present invention of claim 11, in the information converting step, images from a plurality of viewpoints in a three-dimensional space constituted by the acquired 3D space content and image content are displayed one by one on the wireless terminal. In addition, since the content information for the wireless terminal is displayed such that one of the images before and after is displayed when there is an operation on the wireless terminal or when the set time elapses, the wireless terminal converts the three-dimensional space. Can be cruising and the convenience can be enhanced.

According to the twelfth aspect of the present invention, a content server in which image contents are stored and a 3D space content in which a 3D space content including a description for displaying a plurality of image contents arranged in a three-dimensional space is stored. A content information providing program for a wireless terminal, which is connected to the spatial content server and the wireless gateway, and which is executed by a computer that responds to a request made by the wireless gateway to provide information to the wireless terminal connected to the wireless gateway. A 3D spatial content acquisition step of requesting and acquiring the 3D spatial content server from the 3D spatial content server, and an image acquired by requesting the content server for image content whose address is described in the acquired 3D spatial content. The content acquisition step and the acquired 3D space code An information conversion step of converting the content and the image content into content information for a wireless terminal, which includes content for the wireless terminal and image content for the wireless terminal whose address is described in the content for the wireless terminal, and the converted content for the wireless terminal. A content information providing program for a wireless terminal, comprising: a wireless terminal content information response step of transmitting information to the wireless gateway.

According to the twelfth aspect of the present invention, it is possible to provide a program capable of constructing a three-dimensional space in a wireless terminal.

According to the present invention of claim 13, the converted content information for wireless terminals is stored, and when the stored content information for wireless terminals is requested, the content information for wireless terminals is responded. The content information providing program for a wireless terminal according to claim 12, characterized in that.

According to the present invention of claim 13, a program that does not require acquisition of 3D spatial content and image content and conversion to content information for wireless terminals for content information for wireless terminals that has been provided before. Can be provided.

In the fourteenth aspect of the present invention, in the information conversion step, the acquired plurality of image contents are X-axis components, Y-axis components or Z-axis components of coordinates of the image contents in a three-dimensional space. Performs conversion to content information for wireless terminals, which is displayed in an order according to the size, and when the operation on the wireless terminal or the set time has elapsed, one of the images before and after is displayed. A gist of the content information providing program for a wireless terminal according to claim 12 or 13.

According to the fourteenth aspect of the present invention, it is possible to provide a program capable of one-dimensionally cruising a three-dimensional space by a wireless terminal and improving convenience.

According to the fifteenth aspect of the present invention, in the information conversion step, images from a plurality of viewpoints in a three-dimensional space formed by the acquired 3D space content and image content are displayed one by one on a wireless terminal. 13. Further, the content information for the wireless terminal is converted such that one of the images before and after is displayed when an operation is performed on the wireless terminal or a set time has elapsed. Alternatively, the gist is that it is the content information providing program for a wireless terminal described in 13.

According to the fifteenth aspect of the present invention, it is possible to provide a program capable of cruising a three-dimensional space with a wireless terminal and improving convenience.

According to the sixteenth aspect of the present invention, a content server in which image contents are stored and a 3D space content in which a 3D space content including a description for displaying a plurality of image contents arranged in a three-dimensional space is stored. The content information providing program for a wireless terminal, which is connected to the spatial content server and the wireless gateway and responds to a request made by the wireless gateway to provide information to the wireless terminal connected to the wireless gateway, is recorded by the computer. A recorded recording medium, which requests and obtains 3D spatial content from the 3D spatial content server 3
D space content acquisition step, image content acquisition step of requesting and acquiring image content whose address is described in the acquired 3D space content from the content server, and wirelessly acquiring the acquired 3D space content and image content. An information conversion step of converting into content information for wireless terminals, which comprises content for terminals and image content for wireless terminals in which addresses are described in the content for wireless terminals; and the converted content information for wireless terminals to the wireless gateway. And a content information response step for transmitting to a wireless terminal.

According to the sixteenth aspect of the present invention, a program capable of forming a three-dimensional space can be distributed to a wireless terminal by a recording medium.

According to a seventeenth aspect of the present invention, the converted content information for wireless terminals is stored, and when the stored content information for wireless terminals is requested, the content information for wireless terminals is returned. The present invention is summarized as a recording medium on which the content information providing program for a wireless terminal according to claim 16 is recorded.

According to the seventeenth aspect of the present invention, a program that does not require acquisition of 3D spatial content and image content and conversion to content information for wireless terminals for content information for wireless terminals that has been provided before. Can be distributed by a recording medium.

In the eighteenth aspect of the present invention, in the information conversion step, the acquired plurality of image contents are X-axis components, Y-axis components or Z-axis components of coordinates of the image contents in a three-dimensional space. Performs conversion to content information for wireless terminals, which is displayed in an order according to the size, and when the operation on the wireless terminal or the set time has elapsed, one of the images before and after is displayed. A gist of the present invention is a recording medium in which the content information providing program for a wireless terminal according to claim 16 is recorded.

According to the eighteenth aspect of the present invention, it is possible to circulate a program capable of cruising the three-dimensional space one-dimensionally by the wireless terminal and improving the convenience on the recording medium.

According to the nineteenth aspect of the present invention, in the information conversion step, images from a plurality of viewpoints in a three-dimensional space composed of the acquired 3D space content and image content are displayed one by one on a wireless terminal. The conversion to content information for a wireless terminal is performed so that one of a front image and a back image is displayed when an operation is performed on the wireless terminal or a set time has elapsed. Alternatively, the gist of the present invention is a recording medium on which the content information providing program for a wireless terminal described in 17 is recorded.

According to the nineteenth aspect of the present invention, it is possible to circulate a program capable of cruising a three-dimensional space in a wireless terminal and improving convenience, on a recording medium.

[0055]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 is a block diagram of a network system according to an embodiment of the present invention. In the present embodiment, the spatial gateway 1 which is a computer corresponding to the content information providing apparatus for wireless terminals of the present invention includes a 3D spatial content server 2 storing 3D spatial content and a content server storing image content. Three
Is connected via a communication line. A large number of wireless terminals (specifically, WAP clients) 4 are connected to a wireless network 5 such as a mobile phone network, and a wireless gateway (specifically, WAP gateway) 6 is connected to the wireless network 5 and the computer network 7. Is intervened between. The spatial gateway 1 is connected to a computer network 7, and the computer network 7 has a Web server 8 in which ordinary WML files and the like are stored.
8, ... Are also connected.

In this embodiment, the WML file generated by the spatial gateway 1 is referred to as content for wireless terminals, and the image file whose address is described in the content for wireless terminals is referred to as image content for wireless terminals. In addition, these are collectively referred to as content information for wireless terminals. Also, 3D space contents and this 3
The image contents whose addresses are described in the D space contents are collectively referred to as 3D space contents information.

FIG. 2 is a block diagram showing the structure of the spatial gateway 1.

The space gateway 1 includes a main controller 11 and
Wireless gateway cooperation unit 12, content server cooperation unit 13, 3D space content server cooperation unit 14, format conversion unit 15, conversion engines 151a and 151b.
And a wireless terminal content management unit 16, a wireless terminal content storage unit 161, and a 3D space rendering unit 1501. In addition, the wireless gateway cooperation unit 12 is a content information response unit for wireless terminals, the content server cooperation unit 13 is an image content acquisition unit, and the 3D space content server cooperation unit 1.
4 corresponds to 3D space content acquisition means,
The conversion engines 151a and 151b and the 3D space rendering unit 1501 correspond to information conversion means.

The main control unit 11 has a function of managing each unit and controlling the flow of processing, and a function of analyzing the 3D space contents described in WML (XML parser). The wireless gateway cooperation unit 12 has a communication function of receiving a request for acquiring content information for wireless terminals from the wireless gateway 6, and a communication function of responding to the acquisition request. The content server cooperation unit 13 has a communication function of requesting the image acquisition of the image content to the content server 3 and a communication function of receiving the responded image content.
The 3D space content server cooperation unit 14 has a communication function of requesting the 3D space content server 2 to acquire the 3D space content and a communication function of receiving the responded 3D space content. The format conversion unit 15 controls the conversion engine 151a or 151b according to the conversion type ID indicating the type of format conversion from the wireless gateway 6,
It has a control function of converting 3D space contents and image contents (hereinafter referred to as 3D space contents information) into contents information for wireless terminals. Each conversion engine 15
1 has a function of actually converting 3D space content information into content information for wireless terminals and outputting the content information. The content management unit 16 for wireless terminals has a function of storing content information for wireless terminals in the content storage unit 161 for wireless terminals and reading it out as appropriate. The content management unit 16 for wireless terminals is provided with an address management table (not shown).
Manages the address (URL) of the wireless terminal content information in the wireless terminal content storage unit 161. The 3D space rendering unit 1501 renders 3D space under the control of the conversion engine 151b.

The processing performed by each of these blocks is realized by a program which the spatial gateway 1 reads from a magnetic storage device or the like and executes when the spatial gateway 1 is activated. And this program is a semiconductor memory, a magnetic disk, an optical disk,
It can be widely distributed by recording it on a computer-readable recording medium such as a magneto-optical disk or a magnetic tape, or transmitting it via a communication network such as the Internet.

FIG. 3 is a sequence diagram showing the flow of processing in each part of the network system and the spatial gateway 1 shown in FIG. 1, and FIG. 4 is a flowchart showing the processing in the spatial gateway 1.

As shown in FIG. 3, when the URL of the desired content for the wireless terminal is input to the wireless terminal 4, the wireless terminal 4 includes this URL in the wireless gateway 6 via the wireless network 5. A request is made (step S1). In addition, whether the conversion type ID is included in the URL or the conversion type ID of the URL is UR
It is L.

On the other hand, the wireless gateway 6 determines the transfer destination of the request based on this URL, and requests the wireless gateway cooperation unit 12 of the spatial gateway 1 together with the URL and the content information for wireless terminals (step). S2). Note that the request may be transferred to the Web server 8, but at that time, the Web server 8 sends the WML to the WML.
Files and image contents are returned to the wireless gateway 6, and the wireless gateway 6 forms screen data in binary format by these and provides it to the wireless terminal 4.

Now, the wireless gateway cooperation unit 12 sends the received URL to the main control unit 11 (step S
3). Then, the main control unit 11 inquires of the wireless terminal content management unit 16 whether or not the wireless terminal content indicated by this URL exists in the wireless terminal content storage unit 161 (step S4). Here, the wireless terminal content management unit 16 determines whether or not the requested wireless terminal content is present in the wireless terminal content storage unit 161 (step S101). If there is no wireless terminal content, , Content information for wireless terminals is created, and the content management unit 16 for wireless terminals stores and manages it (step S10).
2).

The processing at this time will be described in detail. First, the content management unit 16 for wireless terminals tells the main control unit 11 that
When replying that there is no requested wireless terminal content (step S5), the main control unit 11 instructs the 3D spatial content server cooperation unit 14 to convert the 3D space content converted into the requested wireless terminal content. Request to obtain (step S6). On the other hand, the 3D space content server cooperation unit 14 requests the 3D space content server 2 to acquire the requested 3D space content, and sends the acquired 3D space content to the main control unit 11 (step S7: 3D). Spatial content acquisition stage).

The main control section 11 analyzes the 3D space content, and requests the content server cooperation section 13 to acquire the image content whose address is described in the 3D space content (step S8). At this time, the address is notified. On the other hand, the content server cooperation unit 13 requests the content server 3 for the image content by using this address, acquires the image content, and sends the acquired image content to the main control unit 11 (step S9: image content acquisition stage).

Next, the main control section 11 controls the image content sent from the content server cooperation section 13 and the 3D content.
The 3D space contents sent from the space contents server cooperation unit 14 are sent to the format conversion unit 15 and a request is made to convert these to contents for wireless terminals (step S10). The format conversion unit 15 uses any conversion engine 151 corresponding to the conversion type ID to perform such conversion, and sends the obtained content information for wireless terminals to the main control unit 11 (step S11).

Next, the main control section 11 uses the sent content information for wireless terminals as the content management section 1 for wireless terminals.
6 (step S12). The wireless terminal content management unit 16 stores the sent wireless terminal content information in the wireless terminal content storage unit 161, updates the address management table, and notifies the main control unit 11 of the completion of the update (step S13).

The main control unit 11 also sends the content information for the wireless terminal to the wireless gateway cooperation unit 12 (steps S14 and S103), and the wireless gateway cooperation unit 12 transmits the content information for the wireless terminal 6 to the wireless gateway 6. (Step S15: content information response step for wireless terminals).

Then, the wireless gateway 6 converts the content information for wireless terminals into binary screen data and sends it to the wireless terminal 4 (step S16). Then, the screen data is displayed on the wireless terminal 4.

On the other hand, as shown in FIG. 4, when there is content information for wireless terminals (step S101, Yes), the content information for wireless terminals is returned to the wireless gateway 6 (step S10).
3). That is, the content management unit 16 for wireless terminals is
This wireless terminal content information is read from the wireless terminal content storage section 161 and sent to the main control section 11 (step S13). The content information for the wireless terminal is sent from the main control unit 11 to the wireless gateway cooperation unit 1
2 to the wireless gateway 6 (step S).
4, 15). Then, the screen data is sent to the wireless terminal 4 by the wireless gateway 6 (step S16), and is displayed on the wireless terminal 4.

Here, the conversion engine 151a, and
The conversion engine 151b and the 3D space rendering unit 15
The conversion method (information conversion step) performed in 01 will be described.
In order to represent a fruit catalog, the 3D space has meanings such as the amount of money on the X axis, the number of sales on the Y axis, and the delivery date and time on the Z axis, and the image content is data representing the appearance of the fruit. To It should be noted that the 3D space content (XML file) before conversion is given the reference numeral 31, and the image contents before conversion are given the reference numerals 32a, 32b ,. These image contents are indicated by addresses (URLs) including file names A, B, ... On the drawing. Further, the 3D space content 31 and the image contents 32a, 32b, ... Are collectively referred to as 3D space content information 30.

First, the conversion method performed by the conversion engine 151a will be described.

5 to 7 are diagrams showing the display results obtained by the conversion processing performed by the conversion engine 151a.
The conversion engine 151a uses the 3D space content information 30.
Content for a wireless terminal such that a plurality of image contents forming the image content are displayed one by one on the wireless terminal 4 in an order according to the sizes of the X-axis component, the Y-axis component, and the Z-axis component of the spatial coordinates of the image content Information is generated for each axis. Moreover, as shown in FIG.
1a is a card 200 on the top page showing the meaning of each axis
Is displayed. For example, when the amount axis is selected on the card 200, a plurality of cards 201, 202, ... Which are configured to display one image content on one card are displayed as the size of the component of the amount axis of the image content. The content information for wireless terminals is generated in the order according to, and when the user operates or the set time elapses, the next (or previous) card is displayed. As a result, one-dimensional cruising can be realized as shown in FIG.

The flow of processing in the conversion engine 151a will be specifically described below with reference to FIGS.

As shown in FIG. 8, first, the file names of the image contents 32a, 32b, ... Are arranged in the order of the size of the X-axis component of the spatial coordinates. Similarly, they are arranged in the order of the magnitude of the Y-axis component and further in the order of the magnitude of the Z-axis component. Actually, as shown in FIG. 9, the 3D space content 31 is
The 3D spatial contents 31 are composed of the meanings “amount”, “sales quantity”, “delivery date” of each of the three axes, and a list of information including addresses and spatial coordinates of the image contents 32a, 32b ,. Is analyzed, the meanings of the three axes are described, and the rank of the size of each axis component of the image contents 32a, 32b, ...
The metadata 50 described for each is generated.

Next, as shown in FIG. 10, the metadata 5
Based on the meaning of each of the three axes of 0, the content 100 for a wireless terminal, which is a WML file for displaying the card 200, is generated. Moreover, by attaching an anchor tag to that meaning, the card 200 is used as a link source to a plurality of cards for displaying an image regarding each axis. As a result, as shown in FIG.
The card 200 is displayed on the screen, and the user can select any of the three axes.

Next, as shown in FIG. 11, the metadata 5
From 0, content 101 for wireless terminals, which is a WML file for displaying fruit images in order of amount of money, is generated. Here, the image contents 32a, 32b, ... Are subjected to processing such as reduction and color reduction so as to be suitable for display on the wireless terminal 4, and the image contents 10 for wireless terminals are respectively displayed.
0a, 100b, ... These are W in the drawing.
In the ML file, they are indicated by file names a, b, .... It should be noted that such image processing should not be such that the contents to be conveyed by the image contents are lost.

In the wireless terminal content 101, a plurality of descriptions surrounded by WML card tags are arranged according to the amount of money in the metadata 50 so as to correspond to the card (screen). Then, in each description, image contents 100a, 100 for wireless terminals
The file names a, b, ... Corresponding to b, ... Are described in image tags. Note that the description of the third and subsequent positions is omitted in the figure.

As a result, as shown in FIG. 12, the description of the first card tag displays the card containing the image of the fruit with the first highest price, and the description of the next card tag shows the fruit with the second highest price. The card containing the image will be displayed.

Also, in the description of the card tag, "Next"
By describing the ID of the next card with respect to the label, clicking the character string Next displayed on the wireless terminal 4 causes a transition to the subsequent (next) card. Actually, the character string Prev. Displayed on the wireless terminal 4 is described by describing the ID of the previous card in the label “Prev.”. Click to configure the mechanism to transition to the next card. Further, since the description of the timer for changing the card when the set time has elapsed is added, the image automatically changes even when there is no user operation.

The conversion engine 151a also performs the same processing for the Y axis and the Z axis. Thus, the user can select the desired axis with card 200, and then
Since images can be sequentially viewed with respect to the axis, cruising can be experienced even on a wireless terminal.

FIG. 13 shows the conversion engine 151b and 3D.
FIG. 6 is an explanatory diagram for explaining a conversion method performed by a space rendering unit 1501. The conversion engine 151b sequentially displays images one by one from a plurality of viewpoints in a three-dimensional space formed by the 3D space content information 30, and when the user operates or the set time elapses, the next card is displayed. It generates content information for wireless terminals such that the previous card or the previous card is displayed.

First, the conversion engine 151b sets an axis in the 3D space, for example, an axis parallel to the X axis (the X axis itself may be used), and the 3D space rendering unit 1501 has a first viewpoint on that axis. Pass the first spatial coordinate that represents. The 3D space rendering unit 1501 generates a two-dimensional image (snapshot) viewed from the viewpoint by rendering based on the spatial coordinates and the 3D space content information 30, and outputs the two-dimensional image to the conversion engine 151b. At this time, the 3D space rendering unit 1501 performs hidden surface processing and performs shading as necessary. By performing such processing for a plurality of viewpoints on the axis, a plurality of snapshots can be obtained.

The conversion engine 151b treats these snapshots as if the conversion engine 151a performed on the image contents 100a, 100b, ...
WML files that are displayed one by one, that is, contents for wireless terminals are generated. Specifically, like the wireless terminal content 101, the wireless terminal content, which is a WML file, is described with a card tag including the path of each snapshot, and an anchor tag or a timer tag is added.

Therefore, as shown in FIG. 14, the user can freely browse or cruise the snapshots from a plurality of on-axis viewpoints in the 3D space by using the wireless terminal 4, so that the image in the 3D space can be viewed. You can intuitively understand the position of. Further, the axis for placing the viewpoint can be set parallel to any of the three axes of the X axis, the Y axis, and the Z axis, so that the 3D space can be grasped from various viewpoints.

Further, the conversion engine 151a, the conversion engine 151b, and the 3D space rendering unit 1501 cooperate to perform the conversion process, so that a display result as shown in FIG. 15 can be obtained. Card 221 shown in FIG.
Reference numerals 224 and 224 are snapshot cards obtained by the conversion engine 151b and the 3D space rendering unit 1501 performing conversion processing by setting a plurality of viewpoints on an axis parallel to the X axis. Also, the cards 222, 223,
225, 226, ... are cards obtained by conversion so that the conversion engine 151a displays one by one in the order according to the magnitude of the X-axis component.

In order to perform such display, when the variable representing the X-axis component is initially small, for example, 0 is set, the conversion engine 151b and the 3D space rendering unit 150 are set.
1 obtains a snapshot of the card 221 and generates content information for wireless terminals that compose this card 221, and then gradually increases the variables.
When it matches the X component corresponding to the image of No. 2, the conversion engine 151a generates content information for the wireless terminal configuring the card 222, and when it matches the X component corresponding to the image of the card 223, The content information for the wireless terminal forming the card 223 is generated, and when the X component of the viewpoint for obtaining the snapshot of the card 224 is matched, the content information for the wireless terminal forming the card 224 is generated. Should be done. Further, it goes without saying that a mechanism for cruising is introduced into the content information for these wireless terminals.

Therefore, the display of such a form results in 3
The dimensional space can be grasped more easily, and the convenience for the user is further improved.

In order to move the viewpoint of the wireless terminal 4 during cruising, contents for the wireless terminal (WM
L file) may be configured as follows. 1) Assign viewpoint movement operations such as “left” and “right” to buttons and the like. 2) Assign viewpoint movement operations such as "left" and "right" to the stick. 3) "Before" on the jog dial, etc.
Assign a viewpoint movement operation such as "back". With such allocation, when the button or the stick is continuously pressed on the wireless terminal 4, the screen can be continuously switched and the page group can be browsed at high speed.

[0092]

As described above, according to the present invention,
The 3D space content server is requested to acquire the 3D space content, the image content whose address is described in the acquired 3D space content is requested to the content server, and the acquired 3D space content and the image content are wirelessly acquired. The wireless gateway converts the content information for the wireless terminal including the content for the terminal and the image content for the wireless terminal whose address is described in the content for the wireless terminal, and transmits the converted content information for the wireless terminal to the wireless gateway. Therefore, a three-dimensional space can be configured in the wireless terminal by providing the wireless terminal with information based on the content information for the wireless terminal.

Further, the converted content information for wireless terminals is stored, and when the content information for wireless terminals stored in the content information storage means for wireless terminals is requested, the content information for wireless terminals is responded. Therefore, it is not necessary to acquire the 3D spatial content and the image content and convert the content information for the wireless terminal, which has been provided before, into the content information for the wireless terminal.

In addition, in the wireless terminal, the plurality of acquired image contents are arranged one by one in the order according to the size of the X-axis component, Y-axis component or Z-axis component of the coordinates of the image contents in the three-dimensional space. Since the content information for the wireless terminal to be displayed is converted, the wireless terminal can cruise the three-dimensional space one-dimensionally.

Also, conversion from content information for wireless terminals such that images from a plurality of viewpoints in a three-dimensional space composed of the acquired 3D space content and image content are displayed one by one on the wireless terminal. Since it is performed, the wireless terminal can cruise the three-dimensional space.

Further, the plurality of acquired image contents are displayed in the order according to the size of the X-axis component, Y-axis component or Z-axis component of the coordinates of the image contents in the three-dimensional space, and the wireless terminal When the operation is performed or the set time elapses, conversion to content information for wireless terminals is performed so that one of the images before and after is displayed. Cruising can be done and convenience can be improved.

Also, images from a plurality of viewpoints in a three-dimensional space composed of the acquired 3D space content and image content are displayed one by one on the wireless terminal,
Moreover, since conversion to content information for wireless terminals is performed so that either the front or back image is displayed when there is an operation on the wireless terminal or when a set time has elapsed, the wireless terminal cruises the three-dimensional space. In addition, it is possible to improve convenience.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a network system according to an embodiment of the present invention.

FIG. 2 is a block diagram showing a configuration of a spatial gateway 1.

3 is a sequence diagram showing a flow of processing in each unit of the network system and the space gateway 1 shown in FIG.

FIG. 4 is a flowchart showing processing in the spatial gateway 1.

FIG. 5 is a diagram showing a display result obtained by a conversion process performed by a conversion engine 151a.

FIG. 6 is a diagram showing a display result obtained by a conversion process performed by a conversion engine 151a.

FIG. 7 is a diagram showing a display result obtained by a conversion process performed by a conversion engine 151a.

FIG. 8 is an explanatory diagram for specifically explaining the flow of processing in the conversion engine 151a.

FIG. 9 is an explanatory diagram for specifically explaining the flow of processing in the conversion engine 151a.

FIG. 10 is an explanatory diagram for specifically explaining the flow of processing in the conversion engine 151a.

FIG. 11 is an explanatory diagram for specifically explaining the flow of processing in the conversion engine 151a.

FIG. 12 is an explanatory diagram for specifically explaining the flow of processing in the conversion engine 151a.

FIG. 13 is an explanatory diagram illustrating a conversion method performed by a conversion engine 151b and a 3D space rendering unit 1501.

FIG. 14 is a diagram showing a display result obtained by conversion processing performed by a conversion engine 151b and a 3D space rendering unit 1501.

FIG. 15 is a conversion engine 151a and a conversion engine 151.
FIG. 13B is a diagram showing a display result obtained by the conversion process performed by the b and 3D space rendering unit 1501.

FIG. 16 is a diagram showing a 3D space displayed on a terminal of the 3D space content providing system.

FIG. 17 is a diagram exemplifying the description content of 3D space content.

FIG. 18 is a diagram showing an operation of the 3D space content providing system.

[Explanation of symbols]

1 Spatial gateway 2 3D space content server 3 Content server 4 wireless terminals 5 wireless network 6 wireless gateway 7 Computer network 8 Web server 11 Main control unit 12 Wireless gateway cooperation section 13 Content server cooperation section 14 3D space contents server cooperation section 15 Format converter 16 Content management unit for wireless terminals 151a, 151b Conversion engine 161 Content storage unit for wireless terminals 1501 3D space rendering unit

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Atsushi Kanai             2-3-1, Otemachi, Chiyoda-ku, Tokyo             Inside Telegraph and Telephone Corporation F-term (reference) 5B050 AA08 BA08 BA09 BA13 CA07                       CA08 EA19 EA24 EA27 FA02                       FA19                 5C062 AA06 AA12 AA13 AA29 AA37                       AB38 AC21 AC34 AE01 AE07                       BB03 BD00                 5E501 AA30 AB30 FA27 FB02 FB03

Claims (19)

[Claims] 1. A content server storing image content, a 3D space content server storing 3D space content including a description for displaying a plurality of image contents arranged in a three-dimensional space, and a wireless system. A content information providing device for a wireless terminal, which is connected to a gateway and responds to a request made by the wireless gateway to provide information to a wireless terminal connected to the wireless gateway, wherein the 3D space is provided in the 3D space content server. 3D space content acquisition means for requesting and acquiring content, image content acquisition means for requesting and acquiring image content whose address is described in the acquired 3D space content from the content server, and the acquired 3D Spatial content and image content for wireless terminals And information converting means for converting into content information for wireless terminals, which includes image content for wireless terminals whose addresses are described in the content for wireless terminals, and transmitting the converted content information for wireless terminals to the wireless gateway. A content information providing device for a wireless terminal, comprising: a content information response unit for a wireless terminal. 2. A wireless terminal content information storage unit for storing the converted wireless terminal content information, wherein the wireless terminal content information stored in the wireless terminal content information storage unit is requested. 2. The content information providing apparatus for wireless terminals according to claim 1, wherein the content information providing apparatus for wireless terminals responds. 3. The information converting means, wherein the plurality of acquired image contents are the size of the X-axis component, the Y-axis component or the Z-axis component of the coordinates of the image contents in the three-dimensional space in the wireless terminal. 3. The content information providing apparatus for wireless terminals according to claim 1, wherein the content information providing apparatus for wireless terminals is converted so that the content information for wireless terminals is displayed one by one according to the order. 4. The information conversion unit is configured to acquire the acquired 3
An image from a plurality of viewpoints in a three-dimensional space composed of the D space content and the image content is converted into content information for wireless terminals, which is displayed one by one on the wireless terminal. 1. A content information providing device for a wireless terminal according to 1 or 2. 5. The information converting means orders the plurality of acquired image contents according to the magnitude of the X-axis component, Y-axis component or Z-axis component of the coordinates of the image contents in a three-dimensional space. The content information for a wireless terminal is displayed such that one of the images displayed before and after is displayed when the user operates the wireless terminal or when a set time elapses. Item 1 is a content information providing device for a wireless terminal. 6. The information conversion unit is configured to acquire the acquired 3
Images from a plurality of viewpoints in a three-dimensional space composed of D space contents and image contents are displayed one by one on the wireless terminal, and when an operation is performed on the wireless terminal or a set time elapses. The content information providing apparatus for a wireless terminal according to claim 1 or 2, wherein the content information providing apparatus for a wireless terminal performs conversion into content information for a wireless terminal such that one of front and rear images is displayed. 7. The wireless terminal according to claim 1, wherein the 3D space content is described in XML, and the image content for wireless terminals is described in WML. Content information providing device. 8. A content server storing image content, a 3D space content server storing 3D space content including a description for displaying a plurality of image contents arranged in a three-dimensional space, and a wireless system. A content information providing method for a wireless terminal, which is executed by a computer, which is connected to a gateway and responds to a request made by the wireless gateway to provide information to a wireless terminal connected to the wireless gateway, the 3D space content A 3D space content acquisition step of requesting and acquiring a 3D space content from a server; an image content acquisition step of requesting and acquiring the image content whose address is described in the acquired 3D space content from the content server; Acquired 3D space content and image content An information conversion step for converting the content information for a wireless terminal including content for a wireless terminal and image content for a wireless terminal in which an address is described in the content for the wireless terminal; And a step of responding to content information for a wireless terminal for transmitting to a gateway, the method for providing content information for a wireless terminal. 9. The converted content information for wireless terminals is stored in advance, and when the stored content information for wireless terminals is requested, the content information for wireless terminals is responded. Item 8. A method of providing content information for wireless terminals according to Item 8. 10. In the information conversion step, the plurality of acquired image contents are ordered according to the magnitude of the X-axis component, Y-axis component or Z-axis component of the coordinates of the image contents in a three-dimensional space. The content information for a wireless terminal is displayed such that one of the images displayed before and after is displayed when the user operates the wireless terminal or when a set time elapses. Item 8. A method of providing content information for wireless terminals according to Item 8 or 9. 11. In the information converting step, images from a plurality of viewpoints in a three-dimensional space composed of the acquired 3D space content and image content are displayed one by one on a wireless terminal, and further, in the wireless terminal. 10. The wireless terminal according to claim 8 or 9, wherein conversion is performed to content information for wireless terminals such that one of a front image and a back image is displayed when an operation is performed or a set time has elapsed. Content information provision method for customers. 12. A content server storing image content, a 3D space content server storing 3D space content including a description for displaying a plurality of image contents arranged in a three-dimensional space, and a wireless system. A content information providing program for a wireless terminal, which is executed by a computer, which is connected to a gateway and responds to a request made by the wireless gateway to provide information to a wireless terminal connected to the wireless gateway, the 3D space content A 3D space content acquisition step of requesting and acquiring a 3D space content from a server; an image content acquisition step of requesting and acquiring the image content whose address is described in the acquired 3D space content from the content server; The acquired 3D space content and image An information conversion step of converting content into content information for wireless terminals, which includes content for wireless terminals and image content for wireless terminals whose addresses are described in the content for wireless terminals; and the converted content information for wireless terminals as described above. A content information providing program for a wireless terminal, comprising: a content information response step for transmitting to a wireless gateway. 13. The converted content information for wireless terminals is stored, and when the stored content information for wireless terminals is requested, the content information for wireless terminals is responded. Item 12. A content information providing program for wireless terminals according to Item 12. 14. In the information converting step, the plurality of acquired image contents are ordered according to the size of the X-axis component, Y-axis component or Z-axis component of the coordinates of the image contents in a three-dimensional space. The content information for a wireless terminal is displayed such that one of the images displayed before and after is displayed when the user operates the wireless terminal or when a set time elapses. Item 12. A content information providing program for a wireless terminal according to item 12 or 13. 15. In the information converting step, images from a plurality of viewpoints in a three-dimensional space composed of the acquired 3D space content and image content are displayed one by one on a wireless terminal, and further, in the wireless terminal. 13. The content information for a wireless terminal is converted so that one of the images before and after is displayed when an operation is performed or when a set time has elapsed.
Alternatively, the content information providing program for wireless terminals according to item 13. 16. A content server storing image content, a 3D space content server storing 3D space content including a description for displaying a plurality of image contents arranged in a three-dimensional space, and a wireless system. A recording medium in which a content information providing program for a wireless terminal, which is connected to a gateway and which is executed by a computer that responds to a request made by the wireless gateway for providing information to the wireless terminal connected to the wireless gateway, is recorded. A 3D space content acquisition step of requesting and acquiring the 3D space content server from the 3D space content server, and an image acquired by requesting the content server for image content whose address is described in the acquired 3D space content. Content acquisition step, and the acquired 3D space An information conversion step of converting content and image content into content information for wireless terminals, which includes content for wireless terminals and image content for wireless terminals whose addresses are described in the content for wireless terminals; and the converted content for wireless terminals A recording medium on which a content information providing program for a wireless terminal is recorded, comprising: a content information response step for a wireless terminal, which transmits information to the wireless gateway. 17. The converted content information for wireless terminals is stored, and when the stored content information for wireless terminals is requested, the content information for wireless terminals is responded. A recording medium on which the content information providing program for a wireless terminal according to item 16 is recorded. 18. In the information converting step, the plurality of acquired image contents are ordered according to the size of the X-axis component, Y-axis component or Z-axis component of the coordinates of the image contents in a three-dimensional space. The content information for a wireless terminal is displayed such that one of the images displayed before and after is displayed when the user operates the wireless terminal or when a set time elapses. A recording medium on which the content information providing program for a wireless terminal according to item 16 or 17 is recorded. 19. In the information converting step, images from a plurality of viewpoints in a three-dimensional space composed of the acquired 3D space content and image content are displayed one by one on a wireless terminal, and further, in the wireless terminal. The conversion to content information for a wireless terminal is performed such that one of the images before and after is displayed when an operation is performed or when a set time has elapsed.
A recording medium on which the content information providing program for a wireless terminal described in 17 is recorded.