JP2007241299A - Display system, display device, control terminal, computer-readable recording medium and display method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a projector suitable for performing presentation advantageously in terms of labor time and work. <P>SOLUTION: A remote control terminal 200 transmits an acquisition request, a URL and authentication information to a projector 100, and after that, transmits a projection request to the projector 100. The projector 100 acquires projection data from a WWW server DS specified by the received URL, in response to the acquisition request and outputs an image signal which projects an image, based on the acquired projection data to a projector 44, in response to the projection request. Thus, when presentation is performed, each presenter can perform presentation by only inputting the URL of the WWW server DS, as long as the presentation documents are stored in the WWW server DS, even if presentation documents of each presenter are not organized in a single laptop computer, etc. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to an apparatus for projecting an image on a screen, an apparatus and system for displaying an image, a storage medium storing a program for projecting an image on a screen, and a storage medium storing a program for displaying an image. In particular, the present invention relates to a projection apparatus, a display apparatus, a display system, a storage medium that stores a projection program, and a storage medium that stores a display program, which are suitable for presentation, which are advantageous in terms of labor and labor.

2. Description of the Related Art Conventionally, as a projector that projects an image on a screen, for example, a projector that includes a connection terminal for connecting a computer or the like and a projector that projects an image on a screen based on an image signal input through the connection terminal. there were.

When giving a presentation using such a projector, each presenter must connect a notebook computer or the like storing projection data to be projected by the projector such as presentation materials to the projector and operate the notebook computer or the like. The presentation material is presented while projecting the presentation material on the screen.

However, since presentation materials are often stored in notebook computers owned by each presenter, in the case of conventional projectors, presentation materials for each presenter are combined into one notebook computer, etc. Unless otherwise, a notebook computer or the like must be connected to the projector for each presentation, which is troublesome and time-consuming to connect, and for the presenter, a notebook computer etc. must be brought into the presentation venue. In other words, there was a problem that it took labor to carry. In particular, when giving presentations at relatively large presentation venues, it is extremely difficult to combine presentation materials from all presenters on a single computer. Will put a heavy burden on the side.

Therefore, the present invention was made paying attention to such unsolved problems of the conventional technology, and is a projection apparatus suitable for giving a presentation advantageously in terms of labor and labor,
It is an object of the present invention to provide a display device, a display system, a storage medium storing a projection program, and a storage medium storing a display program.

In order to achieve the above object, the projection apparatus according to claim 1 of the present invention is capable of communicating with a data storage terminal that stores projection data to be projected in a projection apparatus including a projection unit that projects an image onto a screen. Acquisition means for acquiring the projection data from the data storage terminal when connected to the projector, and projection control means for performing projection by the projection means based on the projection data acquired by the acquisition means.

If it is such a structure, it will connect with a data storage terminal by an acquisition means, and projection data will be acquired from the data storage terminal, and projection by a projection means will be based on the acquired projection data by a projection control means. Is done. Thereby, an image is projected on the screen by the projection means.

Here, to connect to a data storage terminal so as to be communicable, for example, to connect to a specific data storage terminal, to select one of a plurality of data storage terminals, and to the selected data storage terminal It includes connecting, or communicatively connecting a plurality of data storage terminals to an interconnected network. Hereinafter, the same applies to the display device according to claim 10, the display system according to claim 12, the storage medium storing the projection program according to claim 14, and the storage medium storing the display program according to claim 15.

The connection with the data storage terminal may be performed by the apparatus actively with respect to the data storage terminal, and conversely, the data storage terminal may be actively performed with respect to the apparatus. Alternatively, this apparatus and the data storage terminal may be connected in advance via a network or the like. Hereinafter, the same applies to the display device according to claim 10, the display system according to claim 12, the storage medium storing the projection program according to claim 14, and the storage medium storing the display program according to claim 15.

Further, the projection data may be any data as long as it is data to be projected. For example, the data that can be directly projected by the projection control unit or the projection control unit directly projects the data. Data that can be projected if converted into data of a predetermined format even if it cannot be included. Hereinafter, the same applies to the projection apparatus according to claim 8 and the storage medium storing the projection program according to claim 14.

Furthermore, the projection device according to claim 2 of the present invention is the projection device according to claim 1,
Input means for inputting an address for specifying the data storage terminal is provided, and the acquisition means acquires the projection data from the data storage terminal specified by the address input by the input means.

With such a configuration, when an address is input by the input unit, the acquisition unit acquires the projection data from the data storage terminal specified by the input address.

Furthermore, in the projection device according to claim 3 according to the present invention, in the projection device according to any one of claims 1 and 2, when the acquisition unit is communicatively connected to an external terminal, the external device The projection data is acquired from the data storage terminal in response to the acquisition request.

With such a configuration, when an acquisition request is received from the external terminal connected to be communicable with the external terminal, the acquisition unit acquires the projection data from the data storage terminal in response to the acquisition request.

Here, the external terminal may have any configuration as long as it can transmit an acquisition request. For example, a remote controller having a communication function for controlling the apparatus, a mobile phone such as a mobile phone, etc. Includes possible mobile devices, computers or phones. Hereinafter, the same applies to the display device according to claim 10 and the storage medium storing the display program according to claim 15.

In addition, the connection with the external terminal may be actively performed by the external terminal with respect to the apparatus, or conversely, the apparatus may be actively performed with respect to the external terminal. However, this apparatus and the external terminal may be connected in advance via a network or the like. Hereinafter, the same applies to the display device according to claim 10 and the storage medium storing the display program according to claim 15.

Furthermore, the projection apparatus according to claim 4 according to the present invention is the projection apparatus according to claim 3,
The acquisition request from the external terminal includes an address for specifying the data storage terminal, and the acquisition unit receives data from the data storage terminal specified by the address included in the acquisition request from the external terminal. The projection data is acquired.

With such a configuration, when an acquisition request is received from an external terminal, the acquisition unit acquires projection data from the data storage terminal specified by the address included in the acquisition request.

Furthermore, the projection apparatus according to claim 5 of the present invention is the projection apparatus according to any one of claims 3 and 4, wherein the acquisition unit receives an acquisition request from the external terminal and authenticates from the external terminal. Authentication information acquisition means for acquiring information, authentication information transmission means for transmitting the authentication information acquired by the authentication information acquisition means to the data storage terminal, and when the data storage terminal is confirmed to be authenticated, the data Projection data acquisition means for acquiring the projection data from a storage terminal.

In such a configuration, when an acquisition request is received from an external terminal, the authentication information acquisition unit acquires the authentication information from the external terminal, and the authentication information transmission unit transmits the acquired authentication information to the data storage terminal. Is done. As a result, when it is confirmed that the data storage terminal is authenticated, the projection data acquisition unit acquires the projection data from the data storage terminal.

Furthermore, a projection apparatus according to a sixth aspect of the present invention is the projection apparatus according to any one of the first to fifth aspects, wherein the projection control means is connected to the external terminal in a communicable manner. Projection by the projection means is performed in response to a projection request from.

With such a configuration, when a projection request is received from an external terminal that is communicably connected to the external terminal, the projection control unit performs projection by the projection unit in response to the projection request.

Here, the projection request is a request related to the control of the apparatus. For example, a request to start projection, a request to end projection, and a request to continuously project these images when there are multiple images to project. , A request to project one or more previous images, or a request to project one or more previous images.

Furthermore, the projection apparatus according to claim 7 of the present invention is the projection apparatus according to any one of claims 1 to 6, wherein the projection data acquired by the acquisition unit is in a predetermined format that can be projected by the projection control unit. When it is not data, it comprises data conversion means for converting the acquired projection data into data of the predetermined format.

With such a configuration, when the acquired projection data is not data in a predetermined format that can be projected by the projection control means, the data conversion means converts the acquired projection data into data in the predetermined format.

Furthermore, the projection apparatus according to claim 8 of the present invention is a projection apparatus including a projection unit that projects an image on a screen. When a storage medium storing projection data to be projected is given, the projection apparatus Read means for reading the projection data, and projection control means for performing projection by the projection means based on the projection data read by the read means.

With such a configuration, when a storage medium storing projection data is provided, the projection data is obtained from the storage medium by the reading unit, and the projection unit is based on the read projection data by the projection control unit. Projection is performed. Thereby, an image is projected on the screen by the projection means.

Furthermore, the projection device according to claim 9 according to the present invention is the projection device according to claim 8,
When the projection data read by the reading means is not data in a predetermined format that can be projected by the projection control means, data conversion means is provided for converting the read projection data into data of the predetermined format.

With such a configuration, when the read projection data is not data in a predetermined format that can be projected by the projection control means, the data conversion means converts the read projection data into data in the predetermined format. .

On the other hand, in order to achieve the above object, the display device according to claim 10 according to the present invention can communicate with a data storage terminal for storing display data to be displayed in a display device having a display means for displaying an image. Acquisition means for acquiring the display data from the data storage terminal when connected to the display, and display control means for performing display by the display means based on the display data acquired by the acquisition means, the acquisition means, When connected to an external terminal in a communicable manner, the display data is acquired from the data storage terminal in response to an acquisition request from the external terminal.

In such a configuration, when an acquisition request is received from the external terminal connected to the external terminal in a communicable manner, the acquisition means connects the data storage terminal to enable communication in accordance with the acquisition request and the data. Display data is acquired from the storage terminal, and display is performed by the display unit based on the acquired display data by the display control unit. Thereby, an image is displayed on the display means.

Here, the display means may have any configuration as long as it can display an image. This includes a projection means such as a projector that projects an image on a screen, or an image displayed on a display screen. Screen display means such as a display is included. The display system according to claim 12,
And the same in the storage medium storing the display program according to claim 15.

The display data may be any data as long as it is data to be displayed. For example, the display data may be displayed directly by the display control means, or may be directly displayed by the display control means. Data that can be displayed if converted into data of a predetermined format even if it cannot be included. Hereinafter, the same applies to the display system according to claim 12 and the storage medium storing the display program according to claim 15.

Moreover, as a specific structure of an acquisition means, the following structures are mentioned, for example. That is, the acquisition request from the external terminal includes an address for specifying the data storage terminal, and the acquisition means displays the display data from the data storage terminal specified by the address included in the acquisition request from the external terminal. To get to.

With such a configuration, when an acquisition request is received from an external terminal, display data is acquired by the acquisition means from the data storage terminal specified by the address included in the acquisition request.

Therefore, display data in all data storage terminals connected to be communicable can be acquired. Therefore, each presenter only needs to store the presentation material in an arbitrary data storage terminal in advance, so that the usability can be further improved.

Moreover, as a specific structure of an acquisition means, the following structures are mentioned, for example. That is, the acquisition means includes an authentication information acquisition means that receives an acquisition request from an external terminal and acquires authentication information from the external terminal, and an authentication information transmission means that transmits the authentication information acquired by the authentication information acquisition means to the data storage terminal And display data acquisition means for acquiring display data from the data storage terminal when it is confirmed that the data storage terminal is authenticated.

In such a configuration, when an acquisition request is received from an external terminal, the authentication information acquisition unit acquires the authentication information from the external terminal, and the authentication information transmission unit transmits the acquired authentication information to the data storage terminal. Is done. As a result, when it is confirmed that the data storage terminal is authenticated, the display data acquisition unit acquires display data from the data storage terminal.

Accordingly, since a data storage terminal that transmits display data through authentication based on the authentication information can be used, the presenter can store presentation materials in such a data storage terminal. The effect that it can ensure is also acquired.

Moreover, as a specific structure of this apparatus, the following structures are mentioned, for example. That is, when the display data acquired by the acquisition means is not data of a predetermined format that can be displayed by the display control means, data conversion means for converting the acquired display data into data of a predetermined format is provided.

With such a configuration, when the acquired display data is not data in a predetermined format that can be displayed by the display control means, the acquired display data is converted into data in a predetermined format by the data conversion means.

Accordingly, not only display data that can be directly displayed by the display device, but also display data that can be displayed by converting the data into a predetermined format even if the display device cannot directly display can be used. it can. Therefore, since the presenter can create the presentation material without much considering whether or not it can be displayed on the display device, it is possible to further improve the usability.

Furthermore, the display device according to claim 11 of the present invention is the display device according to claim 10, wherein the display control means responds to a display request from the external terminal when connected to the external terminal so as to be communicable. Display by the display means.

With such a configuration, when a display request is received from the external terminal connected to be communicable with the external terminal, the display control means performs display by the display means in response to the display request.

Here, the display request is a request related to the control of the apparatus, and includes, for example, a request to start display, a request to end display, and a request to continuously display these images when there are multiple images to be displayed. , A request to display one or more previous images, or a request to display one or more previous images. Hereinafter, the same applies to the display system according to the thirteenth aspect.

On the other hand, in order to achieve the above object, a display system according to claim 12 according to the present invention includes a display device including display means for displaying an image, a data storage terminal for storing display data to be displayed, A system that is communicably connected to a control terminal that controls a display device, wherein the control terminal transmits an acquisition request for acquiring the display data from the data storage terminal, and the display device Includes an acquisition unit that acquires the display data from the data storage terminal in response to an acquisition request from the control terminal, and a display control unit that performs display by the display unit based on the display data acquired by the acquisition unit. Prepare.

With such a configuration, when an acquisition request is transmitted from the control terminal, the display device is connected to the data storage terminal so as to be communicable with the data storage terminal and displayed from the data storage terminal by the acquisition means. Data is acquired, and display is performed by the display unit based on the acquired display data. Thereby, an image is displayed on the display means.

Here, the control terminal may have any configuration as long as it is configured to transmit an acquisition request for acquiring display data from the data storage terminal. Examples include a remote controller having a function, a portable terminal such as a cellular phone, a personal computer, or a telephone.

The connection with the control terminal may be actively performed by the control terminal with respect to the display device, or conversely, the display device may be actively performed with respect to the control terminal. The display device and the control terminal may be connected in advance via a network or the like.

Moreover, as a specific structure of a control terminal and an acquisition means, the following structures are mentioned, for example. That is, the control terminal is configured to transmit the acquisition request including an address for specifying the data storage terminal, and the acquisition means is the data storage terminal specified by the address included in the acquisition request from the control terminal. The display data is acquired from.

With such a configuration, when the display device receives an acquisition request from the control terminal,
Display data is acquired from the data storage terminal specified by the address included in the acquisition request by the acquisition means.

Therefore, display data in all data storage terminals connected to be communicable can be acquired. Therefore, each presenter only needs to store the presentation material in an arbitrary data storage terminal in advance, so that the usability can be further improved.

Moreover, as a specific structure of an acquisition means, the following structures are mentioned, for example. That is, the acquisition means receives an acquisition request from the control terminal, acquires authentication information from the control terminal, and authentication information transmission means for transmitting the authentication information acquired by the authentication information acquisition means to the data storage terminal And display data acquisition means for acquiring display data from the data storage terminal when it is confirmed that the data storage terminal is authenticated.

With such a configuration, when the display device receives an acquisition request from the control terminal,
Authentication information is acquired from the control terminal by the authentication information acquisition means, and the acquired authentication information is transmitted to the data storage terminal by the authentication information transmission means. As a result, when it is confirmed that the data storage terminal is authenticated, the display data acquisition unit acquires display data from the data storage terminal.

Accordingly, since a data storage terminal that transmits display data through authentication based on the authentication information can be used, the presenter can store presentation materials in such a data storage terminal. The effect that it can ensure is also acquired.

Moreover, as a specific configuration of the display device, for example, the following configuration can be given. That is, the display device includes data conversion means for converting the acquired display data into data of a predetermined format when the display data acquired by the acquisition means is not data of a predetermined format that can be displayed by the display control means.

With such a configuration, in the display device, when the acquired display data is not data in a predetermined format that can be displayed by the display control means, the data conversion means converts the acquired display data into data in the predetermined format. Is done.

Accordingly, not only display data that can be directly displayed by the display device, but also display data that can be displayed by converting the data into a predetermined format even if the display device cannot directly display can be used. it can. Therefore, since the presenter can create the presentation material without much considering whether or not it can be displayed on the display device, it is possible to further improve the usability.

Furthermore, in the display system according to claim 13 according to the present invention, in the display system according to claim 12, the control terminal transmits a display request relating to control of the display device, and the display control means Is configured to perform display by the display means in response to a display request from the control terminal.

With such a configuration, when a display request is transmitted from the control terminal, in the display device, display is performed by the display means according to the display request by the display control means.

On the other hand, in order to achieve the above object, a storage medium storing a projection program according to claim 14 according to the present invention is a storage medium storing a projection program using a projection unit that projects an image on a screen, By means of an acquisition means for acquiring the projection data from the data storage terminal when connected to a data storage terminal for storing projection data to be projected, based on the projection data acquired by the acquisition means, by the projection means It is a storage medium storing a projection program that stores a program for causing a computer to function as projection control means for performing projection.

With this configuration, when the program stored in the storage medium is read by the computer and the computer functions according to the read program, the same operation as that of the projection apparatus according to the first aspect can be obtained.

Here, as a specific configuration of the acquisition unit, for example, the same configuration as the acquisition unit according to any one of claims 2 to 5 can be given.

In addition, as a specific configuration of the projection control unit, for example, the same configuration as the projection control unit according to the sixth aspect can be given.

Further, as a specific configuration of the present storage medium, for example, a storage medium storing a program for causing a computer to function as the data conversion means described in claim 7 can be cited.

On the other hand, in order to achieve the above object, a storage medium storing a display program according to claim 15 according to the present invention is a storage medium storing a display program using display means for displaying an image, and is a display object. An acquisition means for acquiring the display data from the data storage terminal when connected to a data storage terminal for storing the display data to be displayed, and display by the display means based on the display data acquired by the acquisition means A program for causing a computer to function is stored as display control means to perform, and when the acquisition means is communicably connected to an external terminal, the display from the data storage terminal in response to an acquisition request from the external terminal A storage medium storing a display program for acquiring data.

With such a configuration, when a program stored in a storage medium is read by a computer and the computer functions in accordance with the read program, a claim 10 is provided.
The same operation as the display device described can be obtained.

Here, the specific configuration of the acquisition unit includes, for example, the same configuration as the acquisition unit exemplified in the item corresponding to the above-described claim 10 in the description of the unit for solving the problem.

Further, as a specific configuration of the display control means, for example, the same configuration as the display control means according to claim 11 can be cited.

As a specific configuration of the storage medium, for example, a program that causes a computer to function as data conversion means exemplified in the item corresponding to claim 10 in the description of means for solving the problem is stored. Is mentioned.

Embodiments of the present invention will be described below with reference to the drawings. 1 to 7 are diagrams showing an embodiment of a projection device, a display device, and a display system according to the present invention.

In the present embodiment, as shown in FIG. 1, a projector, a display device, and a display system according to the present invention have a remote control terminal 200 such as a mobile phone held by a presenter who makes a presentation, and a plurality of WWW (World Wide Web) The projector 100 connected to the servers DS _{1 to} DS _{m so} as to be communicable via the Internet 400 receives a request from the remote control terminal 200 and sends projection data to be projected to the WWW servers DS _{1 to} DS _m . Get from one,
The present invention is applied to a case where an image is projected on a screen based on acquired projection data. In order to facilitate understanding of the invention, only one remote control terminal 200 is shown, but actually, a plurality of different types of remote control terminals 200 can be connected to the Internet 400.

First, the configuration of a network system to which the present invention is applied will be described with reference to FIG.
FIG. 1 is a block diagram showing a configuration of a network system to which the present invention is applied.

As shown in FIG. 1, the Internet 400 includes a projector 100 that projects an image on a screen, and a relay station 3 that relays communication between the remote control terminal 200 and the Internet 400.
10 and WWW servers DS _{1 to} DS _m for storing projection data are connected.

A plurality of base stations 300 that perform wireless communication with the remote control terminal 200 are connected to the relay station 310. When the remote control terminal 200 connects to the Internet 400, the relay station 310 replaces the remote control terminal 200 with the Internet 400. The data from the remote control terminal 200 received via the base station 300 as one terminal is transmitted to the target terminal via the Internet 400, and the data of the target terminal on the Internet 400 is transmitted to the base station The information is transmitted to the remote control terminal 200 via 300.

Although not shown, the WWW servers DS _{1 to} DS _m are connected to the storage unit that stores projection data to be projected and the terminals in response to requests from terminals connected to the Internet 400 such as the relay station 310 and the projector 100. And a request processing unit that transmits projection data in the storage unit.

The storage unit stores projection data that can be directly projected by the projector 100 and projection data that can be projected if converted into data of a predetermined format even if the projector 100 cannot project directly. . As the former projection data, for example, a presentation file having an extension “ppt” is stored, and as the latter projection data, for example, text data, still image data, moving image data such as MPEG, or the like Various files such as 3D image data such as VRML, HTML (Hyper Text Markup)
Language) file is stored. The projection data of each WWW server DS _{1 to} DS _m is created by each presenter.

The request processing unit is a function realized by a CPU (not shown) executing a program stored in an external storage device or the like. When there is a data transmission request from an external terminal (projector 100 or the like), the request processing unit When requesting input of authentication information such as ID and password from the accessed external terminal, the authentication information input in response to the request is collated with the authentication information registered in advance, and they match. Transmits the projection data of the storage unit.

Next, the configuration of the projector 100 will be described with reference to FIG. FIG. 2 is a block diagram showing the configuration of the projector 100.

As shown in FIG. 2, the projector 100 includes a CPU 30 that controls operations and the entire system based on a control program, a ROM 32 that stores a control program for the CPU 30 in a predetermined area, data read from the ROM 32, and the like. A RAM 34 for storing calculation results required in the calculation process of the CPU 30 and an I / F 38 for mediating input / output of data to / from an external device are formed. These are signal lines for transferring data. Are connected to each other and to be able to exchange data.

The I / F 38 includes, as external devices, an input device 40 including a keyboard that can input data as a human interface, a storage device 42 that stores data, tables, and the like as files, and an image on a screen based on an image signal. Is connected to a signal line for connecting to the Internet 400.

The storage device 42 includes the Internet 4 of the WWW server DS in the remote control terminal 200.
URL (Universal Resource Locater) and user ID that uniquely identifies the location on 00
Acquisition screen configuration data that constitutes an acquisition information input screen including predetermined input items for inputting authentication information such as passwords and passwords, and predetermined input for inputting a projection request that will be described in detail later on the remote control terminal 200 Projection screen configuration data constituting a projection request input screen including items is stored. These data are, for example, files described in HTML or the like and can be displayed as an input panel by a browser or the like.

The CPU 30 includes a microprocessing unit MPU and the like, starts a predetermined program stored in a predetermined area of the ROM 32, and executes projection data acquisition processing shown in the flowchart of FIG. 3 and projection processing shown in the flowchart of FIG. 4 according to the program. Is supposed to run. These processes are executed in parallel by the CPU 30.

First, the projection data acquisition process will be described with reference to FIG. FIG. 3 is a flowchart showing the projection data acquisition process.

The projection data acquisition process is an acquisition request received from the remote control terminal 200 or the input device 4.
In response to the acquisition request input from 0, the projection data is acquired from the WWW servers DS _{1 to} DS _m related to the acquisition request. When executed in the CPU 30, as shown in FIG. The process proceeds to step S100.

At step S100, when determining whether or not there is an input of the acquisition request to be acquired projection data from the WWW server DS ₁ to DS _m from the input device 40, it has been determined to have entered the acquisition request (Y
es) proceeds to step S102, inputs URL and authentication information from the input device 40, and proceeds to step S104.

In step S104, the authentication information is transmitted to the WWW server DS specified by the URL, and the process proceeds to step S106 to determine whether or not the authentication is performed by the WWW server DS specified by the URL. When (Yes), the process proceeds to step S108.
Projection data is acquired from the WWW server DS specified by the URL, and the process proceeds to step S110.

In step S110, it is determined whether or not the acquired projection data is data in a predetermined format that can be projected by the projector 100 (for example, a presentation file with an extension “ppt”), and projection data can be projected. When it is determined that the data is in a predetermined format (Y
es) proceeds to step S112, stores the projection data in the storage device 42, and proceeds to step S112.
100.

On the other hand, when it is determined in step S110 that the acquired projection data is not data of a predetermined format that can be projected by the projector 100 (No), the process proceeds to step S114, and the acquired projection data is converted into data of a predetermined format. Then, the process proceeds to step S112.

On the other hand, when it is determined in step S106 that the WWW server DS specified by the URL has not been authenticated (No), the process proceeds to step S116, and the error data is stored in the storage device 4.
2 and the process proceeds to step S100.

On the other hand, when it is determined in step S100 that an acquisition request is not input from the input device 40
(No), when the process proceeds to step S118, it is determined whether a transmission request for acquisition screen configuration data is received from the remote control terminal 200, and when it is determined that a transmission request for acquisition screen configuration data is received (Yes) shifts to step S120.

In step S120, the acquisition screen configuration data is read from the storage device 42 and transmitted to the remote control terminal 200. Then, the process proceeds to step S122, where it is determined whether the URL and the authentication information are received from the remote control terminal 200. When it is determined that the authentication information has been received (Yes), the process proceeds to step S104.

On the other hand, when it is determined in step S122 that the URL and the authentication information are not received from the remote control terminal 200 (No), the process waits in step S122 until the URL and the authentication information are received.

On the other hand, when it is determined in step S118 that a transmission request for the acquisition screen configuration data is not received from the remote control terminal 200 (No), the process proceeds to step S100.

Next, the projection process will be described with reference to FIG. FIG. 4 is a flowchart showing the projection process.

The projection process is a process of receiving a projection request received from the remote control terminal 200 or a projection request input from the input device 40 and performing projection by the projector 44 based on the projection data in the storage device 42, and is executed in the CPU 30. Then, as shown in FIG.
150.

In step S150, it is determined whether a projection request is input from the input device 40. If it is determined that a projection request is input (Yes), the process proceeds to step S152. Here, the projection request is a request related to the control of the projector 100, and includes, for example, a request to start projection, a request to end projection, and a request to continuously project these images when there are a plurality of images to be projected. There is a request to project one or more previous images, or a request to project one or more previous images.

In step S152, it is determined whether or not the projection request is a request to end projection. When it is determined that the projection request is not a request to end projection (No), the process proceeds to step S154.
Data is read from the storage device 42 and the process proceeds to step S156 to determine whether or not the read data is error data. When it is determined that the read data is not error data (No), the process proceeds to step S158. Transition.

In step S158, the projector 44 performs projection by outputting an image signal to project an image based on the read projection data to the projector 44 in response to the projection request, and the process proceeds to step S150.

On the other hand, when it is determined in step S156 that the read data is error data.
In (Yes), the process proceeds to step S160, and the projection by the projector 44 is performed by outputting an image signal for projecting an error message based on the read error data, and the process proceeds to step S150. To do.

On the other hand, when it is determined in step S150 that the projection request is not input from the input device 40.
(No), when the process proceeds to step S162, it is determined whether a transmission request for projection screen configuration data is received from the remote control terminal 200, and when it is determined that a transmission request for projection screen configuration data is received (Yes) moves to step S164.

In step S164, the projection screen configuration data is read from the storage device 42 and transmitted to the remote control terminal 200. The process proceeds to step S166, where it is determined whether a projection request is received from the remote control terminal 200, and the projection request is received. If it is determined that the determination has been made (Yes), step S1
52.

On the other hand, when it is determined in step S166 that a projection request is not received from the remote control terminal 200 (No), the process waits in step S166 until a projection request is received.

On the other hand, when it is determined in step S162 that a transmission request for projection screen configuration data is not received from the remote control terminal 200 (No), the process proceeds to step S150.

Next, the configuration of the remote control terminal 200 will be described with reference to FIG. FIG. 5 is a block diagram showing a configuration of remote control terminal 200.

As shown in FIG. 5, the remote control terminal 200 includes a CPU 50 that controls operations and the entire system based on a control program, a ROM 52 that stores a control program of the CPU 50 in a predetermined area, and data read from the ROM 52 and the like. And a RAM 54 for storing calculation results required in the calculation process of the CPU 50, and an LC for converting data stored in a specific area of the RAM 54 into an image signal and outputting the image signal to an LCD (Liquid Crystal Display) 64
A DC (Liquid Crystal Display Controller) 56 and an I / F 58 that mediate input / output of data to / from an external device, and these are mutually connected by a bus 59 that is a signal line for transferring data. And it is connected so that data can be exchanged.

As an external device, the I / F 58 includes a key panel 60 capable of inputting data using a plurality of keys as a human interface, a transmission / reception control device 62 that communicates wirelessly with the base station 300, and a screen based on an image signal. An LCD 64 for display is connected.

The RAM 54 has a VRAM 55 for storing display data for display on the LCD 64 as a specific area, and the VRAM 55 can be accessed independently by the CPU 50 and the LCDC 56.

The LCDC 56 sequentially reads display data stored in the VRAM 55 at a predetermined cycle from the head address, converts the read display data into an image signal, and outputs the image signal to the LCD 64.

The CPU 50 includes a microprocessing unit MPU and the like, starts a predetermined program stored in a predetermined area of the ROM 52, and executes a request transmission process shown in the flowchart of FIG. 6 according to the program. FIG. 6 is a flowchart showing the request transmission process.

The request transmission process is a process of transmitting an acquisition request or a projection request to the projector 100. When the request transmission process is executed by the CPU 50, as shown in FIG. 6, first, the process proceeds to step S200.

In step S200, it is determined whether or not an acquisition request has been input from the key panel 60. If it is determined that the acquisition request has been input (Yes), the process proceeds to step S202, and a transmission request for acquisition screen configuration data is made. Is transmitted to the projector 100, the process proceeds to step S204, where it is determined whether the acquisition screen configuration data is received from the projector 100, and when it is determined that the acquisition screen configuration data is received (Yes), The process proceeds to step S206.

In step S206, an acquisition information input screen is configured and displayed based on the received acquisition screen configuration data, and the process proceeds to step S208, where the URL and authentication information input to the displayed acquisition information input screen are displayed. Acquire, move to step S210, the acquired URL
The authentication information is transmitted to the projector 100, and the process proceeds to step S212.

In step S212, it is determined whether or not a projection request has been input from the key panel 60. If it is determined that a projection request has been input (Yes), the process proceeds to step S214 to transmit a projection screen configuration data transmission request. Is transmitted to the projector 100, the process proceeds to step S216, it is determined whether the projection screen configuration data is received from the projector 100, and when it is determined that the projection screen configuration data is received (Yes), The process proceeds to step S218.

In step S218, a projection request input screen is configured and displayed based on the received projection screen configuration data, and the process proceeds to step S220 to acquire a projection request input to the displayed projection request input screen. Then, the process proceeds to step S222, the acquired projection request is transmitted to the projector 100, and the process proceeds to step S200.

On the other hand, when it is determined in step S216 that the projection screen configuration data is not received from the projector 100 (No), the process waits in step S216 until the projection screen configuration data is received.

On the other hand, when it is determined in step S212 that a projection request is not input from the key panel 60 (No), the process proceeds to step S200.

On the other hand, when it is determined in step S204 that the acquisition screen configuration data is not received from the projector 100 (No), the process waits in step S204 until the acquisition screen configuration data is received.

On the other hand, when it is determined in step S200 that an acquisition request is not input from the key panel 60 (No), the process proceeds to step S212.

Next, the operation of the above embodiment will be described with reference to FIG. FIG. 7 shows the remote control terminal 2
It is a figure which shows the acquisition information input screen displayed by 00, and a projection request | requirement input screen.

First, a case where a presenter makes a presentation using the projector 100 will be described.

When the presenter makes a presentation using the projector 100, the presenter first inputs an acquisition request to the input device 40, and then the URL of the WWW server DS in which projection data serving as presentation material is stored, and the WWW thereof. Authentication information for receiving authentication by the server DS is input to the input device 40. Here, the presenter is, for example, the WWW server D
The URL of S ₁ and authentication information for receiving authentication at the WWW server DS ₁ are input. It is assumed that data in a predetermined format that can be projected by the projector 100 is stored in the storage unit of the WWW server DS ₁ .

In the projector 100, the acquisition request, the URL and the authentication information is input, through steps S100 to S104, authentication information is transmitted to the WWW server DS ₁ specified by URL. Then, since the authentication information input is an authentication information for authenticating the WWW server DS _1, it is authenticated by the WWW server DS _1, via step S106～S112, from the WWW server DS ₁ specified by the URL Projection data is acquired, and the acquired projection data is stored in the storage device 42.

Next, the presenter inputs, for example, a projection request, which is a request to start projection, to the input device 40.

In the projector 100, when a projection request is input in a state where the projection data is stored in the storage device 42, the projection data is read out from the storage device 42 through steps S150 to S158, and read out according to the projection request. An image signal for projecting an image based on the projection data is output to the projector 44. Thereby, an image is projected on the screen by the projector 44.

Next, a case where a presenter makes a presentation using the remote control terminal 200 will be described.

When the presenter makes a presentation using the remote control terminal 200, first, when the presenter inputs an acquisition request to the key panel 60, a transmission request for acquisition screen configuration data is transmitted to the projector 100 through steps S200 and S202. Is done.

When the projector 100 receives the acquisition screen configuration data transmission request, step S
Through 118 and S120, the acquisition screen configuration data is read from the storage device 42 and transmitted to the remote control terminal 200.

When receiving the screen composition data for acquisition, remote control terminal 200 receives steps S204, S.
Through 206, as shown in FIG. 7A, an acquisition information input screen is configured and displayed based on the received acquisition screen configuration data. Here, the URL of the WWW server DS where the presenter stores projection data as presentation material by the key panel 60 on the displayed acquisition information input screen, and authentication information for receiving authentication by the WWW server DS Enter. At this time, the presenter, for example, the URL of the WWW server DS ₁ and the WW
Authentication information for receiving authentication by the W server DS ₁ is input. It is assumed that data in a predetermined format that can be projected by the projector 100 is stored in the storage unit of the WWW server DS ₁ .

In the remote control terminal 200, when the URL and the authentication information are input on the acquisition information input screen, the URL input on the acquisition information input screen through steps S208 and S210.
And the authentication information are acquired, and the acquired URL and authentication information are transmitted to the projector 100.

When projector 100 receives the acquisition request, the URL, and the authentication information, step S
Through 100～S104, authentication information is transmitted to the WWW server DS ₁ specified by URL. Then, since the authentication information input by the remote control terminal 200 is authentication information for authenticating the WWW server DS _1, is authenticated by the WWW server DS _1, step S1
Through 06～S112, projection data from the WWW server DS ₁ specified is acquired by URL, acquired projection data is stored in the storage device 42.

Next, for example, when the presenter inputs a projection request, which is a request for starting projection, to the key panel 60, a transmission request for projection screen configuration data is transmitted to the projector 100 through steps S212 and S214.

When the projector 100 receives the projection screen configuration data transmission request, step S
Through 162 and S164, the projection screen configuration data is read from the storage device 42 and transmitted to the remote control terminal 200.

When receiving the projection screen configuration data, remote control terminal 200 receives steps S216 and S216.
Through 218, as shown in FIG. 7B, a projection request input screen is configured and displayed based on the received projection screen configuration data. Here, when the presenter inputs a projection request to the displayed projection request input screen using the key panel 60, the projection request input to the projection request input screen is acquired and acquired through steps S220 and S222. The projected request is transmitted to the projector 100.

In the projector 100, when the projection request is received in a state where the projection data is stored in the storage device 42, the projection data is read from the storage device 42 through steps S150 to S158, and read according to the projection request. An image signal for projecting an image based on the projection data is output to the projector 44. Thereby, an image is projected on the screen by the projector 44.

It should be noted that the presenter is, even though you enter the URL of the WWW server DS _1, if you enter the authentication information other than the authentication information to authenticate the WWW server DS _1, WWW server DS ₁
In step S106 and S116, the error data is stored in the storage device 42. Next, through steps S150 to S156 and S160, error data is read from the storage device 42, and an image signal for projecting an error message based on the read error data is output to the projector 44. As a result, an error message is projected on the screen by the projector 44.

Further, if the storage unit of the WWW server DS ₁ stores projection data that can be projected if converted into data of a predetermined format even if the projector 100 cannot directly project, the projector 100 Steps S106 to S110, S114, S112
Then, the projection data is acquired from the WWW server DS ₁ specified by the URL, and the acquired projection data is converted into data of a predetermined format and stored in the storage device 42.

In this manner, in the present embodiment, the projector 100 acquires projection data from the WWW server DS, and performs projection by the projector 44 based on the acquired projection data.

This allows each presenter to store presentation materials in the WWW server DS in advance, without having to present each presenter's presentation materials on a single notebook computer, etc. The presentation can be performed only by inputting the URL of the WWW server DS. Therefore, it is not necessary to connect a notebook computer etc. to the projector for each announcement as in the past, and for the presenter, it is not necessary to bring a notebook computer etc. to the presentation venue. It is possible to give a presentation advantageously in terms of labor and labor.

Further, in the present embodiment, the projector 100 acquires projection data from the WWW server DS specified by the URL input by the input device 40.

Thereby, the projection data in all the WWW servers DS connected to the Internet 400 can be acquired. Therefore, each presenter only needs to store the presentation material in an arbitrary WWW server DS in advance, so that the usability can be improved as compared with the conventional case.

Furthermore, in the present embodiment, projector 100 acquires projection data from WWW server DS in response to an acquisition request from remote control terminal 200.

Thus, the presenter can make a presentation at a location away from the projector 100. For example, if the projectors 100 are installed in a plurality of presentation venues so that a video conference can be held between the presenter and each presentation venue, the presenter can simultaneously perform the same at a plurality of presentation venues through the video conference. The content can be presented. Therefore, usability can be further improved.

Further, in the present embodiment, projector 100 acquires projection data from WWW server DS specified by the URL included in the acquisition request from remote control terminal 200.

Thereby, the projection data in all the WWW servers DS connected to the Internet 400 can be acquired. Therefore, each presenter only needs to store the presentation material in an arbitrary WWW server DS in advance, so that the usability can be further improved.

Further, in the present embodiment, projector 100 receives the acquisition request from remote control terminal 200, acquires authentication information from remote control terminal 200, transmits the acquired authentication information to WWW server DS, and is authenticated by WWW server DS. When confirming that the WWW server DS
Projection data was acquired from.

As a result, since the WWW server DS that transmits projection data through authentication based on the authentication information can be used, the presenter can also store the presentation material in the WWW server DS, and the confidentiality of the presentation material can be obtained. It can be secured to some extent.

Furthermore, in the present embodiment, projector 100 performs projection by projector 44 in response to a projection request from remote control terminal 200.

Thus, the presenter can make a presentation at a location away from the projector 100. For example, if the projectors 100 are installed in a plurality of presentation venues so that a video conference can be held between the presenter and each presentation venue, the presenter can simultaneously perform the same at a plurality of presentation venues through the video conference. The content can be presented. Therefore, usability can be further improved.

Furthermore, in the present embodiment, when the acquired projection data is not data in a predetermined format that can be projected by projector 100, projector 100 converts the acquired projection data into data in a predetermined format.

Thereby, not only the projection data that the projector 100 can directly project,
Even if the projector 100 cannot project directly, projection data that can be projected if converted into data of a predetermined format can also be used. Therefore, since the presenter can create the presentation material without much considering whether or not the projector 100 can project, the usability can be further improved.

Further, in the present embodiment, projector 100 transmits acquisition screen configuration data in response to a transmission request from remote control terminal 200, and remote control terminal 200 transmits a transmission request for acquisition screen configuration data to projector 100. When the acquisition screen configuration data is received in response, the acquisition information input screen is configured and displayed based on the received acquisition screen configuration data, and is input to the displayed acquisition information input screen. The acquired URL and authentication information are acquired and transmitted to the projector 100.

As a result, remote control terminal 200 transmits / receives URL and authentication information to / from projector 100 without defining a special communication method for transmitting / receiving URL and authentication information to / from projector 100 in advance. be able to. Therefore, the remote control terminal 200 does not have to be specialized for the projector 100, and the remote control terminal 200 is not required.
For example, i-mode (registered trademark) provided by NTT Mobile Communication Network Co., Ltd. (NTT DoCoMo) can also be used, so that expandability can be relatively improved.

Further, in the present embodiment, projector 100 transmits projection screen configuration data in response to a transmission request from remote control terminal 200, and remote control terminal 200 transmits a projection request for projection screen configuration data to projector 100. When the transmission screen configuration data is received in response to this, the projection request input screen is configured and displayed based on the received projection screen configuration data, and input to the displayed projection request input screen. The projection request is acquired and transmitted to the projector 100.

As a result, the remote control terminal 200 can transmit and receive a projection request to and from the projector 100 without defining a special communication method for transmitting and receiving a projection request to and from the projector 100 in advance. Therefore, it is not necessary to make the remote control terminal 200 specialized for the projector 100, and the i-mode (registered trademark) can be used as the remote control terminal 200, for example, so that expandability can be relatively improved. it can.

In the above embodiment, the URL corresponds to the address described in claim 2 or 4, and the projection data corresponds to the display data described in claim 10, 12 or 15.

In the above-described embodiment, the projector 100 corresponds to the display device according to claim 12 or 13, and the projector 44 is the projection means according to claim 1, 6 or 14, and claims 10 to 13 or 15. The input device 40 corresponds to the input means according to claim 2, and step S108 corresponds to the acquisition means according to claims 1 to 5, 7, 10, 12, 14 or 15. ing. Step S158 corresponds to the projection control means according to claim 1, 6, 7 or 14, and the display control means according to claim 10, 11, 12, 13 or 15. Step S120 corresponds to claim 5. Corresponding to the authentication information acquisition means of
Step S104 corresponds to the authentication information transmitting means according to claim 5;
Corresponding to the projection data acquiring means according to claim 5, steps S110 and S114 are performed according to claim 7.
It corresponds to the data conversion means described.

In the above embodiment, the WWW servers DS _{1 to} DS _m are defined in claims 1 to 5, 1.
The remote control terminal 200 corresponds to the data storage terminal described in 0, 12, 14 or 15, and the remote control terminal 200 corresponds to the external terminal described in claim 3 to 6, 10, 11 or 15 and the control terminal described in claim 12 or 13. ing.

In the above-described embodiment, the projector 100 is configured to acquire projection data from the WWW server DS and perform projection by the projector 44 based on the acquired projection data. Projection data may be read from the storage medium when a storage medium such as FD is stored, and projection by the projector 44 may be performed based on the read projection data.

With such a configuration, when a presentation is made at the presentation venue, each presenter can store the presentation material on a storage medium such as an FD without compiling the presentation materials of each presenter on one notebook computer or the like. If memorized, the projector 10
A presentation can be performed simply by giving a storage medium to 0. Therefore, it is not necessary to connect a notebook computer etc. to the projector for each announcement as in the past, and for the presenter, it is not necessary to bring a notebook computer etc. to the presentation venue. It is possible to give a presentation advantageously in terms of labor and labor.

In the above embodiment, projector 100 is configured to transmit the acquisition screen configuration data in response to a transmission request from remote control terminal 200. However, the present invention is not limited to this, and relay station 310 is used instead of projector 100. However, the acquisition screen configuration data may be transmitted in response to a transmission request from the remote control terminal 200.

In the above embodiment, the remote control terminal 200 communicates with the projector 100 via the exchange of the screen configuration data for acquisition between the projector 100 and the remote control terminal 200.
The RL and the authentication information are configured to be transmitted. However, the present invention is not limited to this, and the remote control terminal 2 does not pass through the acquisition screen configuration data between the projector 100 and the remote control terminal 200.
00 may transmit the URL and the authentication information directly to the projector 100.

In the embodiment described above, projector 100 is configured to transmit projection screen configuration data in response to a transmission request from remote control terminal 200. However, the present invention is not limited to this, and relay station 310 is used instead of projector 100. However, the projection screen configuration data may be transmitted in response to a transmission request from the remote control terminal 200.

In the above embodiment, the remote control terminal 200 transmits the projection request to the projector 100 through the exchange of the projection screen configuration data between the projector 100 and the remote control terminal 200. However, the present invention is not limited to this. Alternatively, the remote control terminal 200 may be configured to directly transmit a projection request to the projector 100 without passing projection screen configuration data between the projector 100 and the remote control terminal 200.

Further, in the above-described embodiment, the case where the control program stored in advance in the ROMs 32 and 52 is executed in executing the processing shown in the flowcharts of FIGS. Instead, the program may be read from the storage medium storing the program showing these procedures into the RAM 34, 54 and executed.

Here, the storage medium is a semiconductor storage medium such as RAM or ROM, a magnetic storage type storage medium such as FD or HD, an optical reading type storage medium such as CD, CDV, LD, or DVD, or a magnetic storage type such as MO. / Optical reading type storage media, including any storage media that can be read by a computer regardless of electronic, magnetic, optical, or other reading methods.

In the above embodiment, the projector, display device, and display system according to the present invention, as shown in FIG. 1, a remote control terminal 200 such as a mobile phone possessed by a presenter who makes a presentation, and a WWW server DS the projector 100 communicatively connected via the Internet 400 to a ₁ to DS _m acquisition in response to the request from the remote control terminal 200, the projection data to be projected target from one of WWW servers DS ₁ to DS _m However, the present invention is applied to the case where an image is projected on the screen based on the acquired projection data. However, the present invention is not limited to this, and can be applied to other cases without departing from the gist of the present invention.

For example, a remote control terminal 200 such as a mobile phone possessed by a presenter who makes a presentation
And a computer having a display communicably connected to the WWW servers DS _{1 to} DS _m via the Internet 400, receives a request from the remote control terminal 200, and sends projection data to be projected to the WWW servers DS _{1 to} DS. _The present invention can also be applied to a case where an image is acquired from any one of _{m and} an image is displayed on a display based on the acquired projection data.

As described above, according to the projection apparatus according to claims 1 to 7 of the present invention, when a presentation is performed, each presenter stores the presentation material in the data storage terminal in advance. A presentation can be performed with a simple operation that is obtained from a terminal. Therefore, it is possible to obtain an effect that the presentation can be advantageously performed in terms of labor and labor as compared with the conventional case.

Furthermore, according to the projection apparatus of the second aspect of the present invention, it is possible to acquire projection data in all data storage terminals that are communicably connected. Therefore, each presenter
Since presentation materials can be stored in any data storage terminal in advance,
Compared with the prior art, it is possible to improve the usability.

Furthermore, according to the projection device of the third or sixth aspect of the present invention, the presenter can make a presentation at a location away from the projection device. Therefore, it is possible to further improve the usability.

Furthermore, according to the projection apparatus of the fourth aspect of the present invention, it is possible to acquire projection data in all data storage terminals that are communicably connected. Therefore, each presenter
Since presentation materials can be stored in any data storage terminal in advance,
There is also an effect that the usability can be further improved.

Further, according to the projection device of the fifth aspect of the present invention, since the data storage terminal that transmits the projection data through authentication by the authentication information can be used, the presenter can present the presentation material to the data storage terminal. Can be stored, and there is also an effect that the confidentiality of the presentation material can be secured to some extent.

Furthermore, according to the projection device of the seventh aspect of the present invention, not only projection data that can be directly projected by the projection device but also conversion into data in a predetermined format even if the projection device cannot project directly. Thus, projection data that can be projected can also be used. Therefore, since the presenter can create the presentation material without much considering whether or not it can be projected by the projection apparatus, it is possible to further improve the usability.

Furthermore, according to the projection device according to claim 8 or 9 of the present invention, when a presentation is performed, each presenter can store the presentation material in a storage medium in advance, and can simply read out from the storage medium. With a simple operation, you can make a presentation. Therefore, it is possible to obtain an effect that the presentation can be advantageously performed in terms of labor and labor as compared with the conventional case.

Furthermore, according to the projection device according to claim 9 of the present invention, not only projection data that can be directly projected by the projection device but also conversion into data in a predetermined format even if the projection device cannot project directly. Thus, projection data that can be projected can also be used. Therefore, since the presenter can create the presentation material without much considering whether or not it can be projected by the projection apparatus, it is possible to further improve the usability.

On the other hand, according to the display device according to claim 10 or 11 of the present invention, when a presentation is performed, each presenter obtains presentation materials from the data storage terminal if the presentation materials are stored in the data storage terminal in advance. The presenter can make a presentation with a simple operation, and the presenter can make a presentation at a location away from the projection apparatus. Therefore, it is possible to give an advantageous presentation in terms of labor and labor as compared with the conventional case, and further, it is possible to improve the usability.

On the other hand, according to the display system according to claim 12 or 13 of the present invention, in the case of giving a presentation, each presenter obtains presentation materials from the data storage terminal if they are stored in the data storage terminal in advance. The presenter can make a presentation with a simple operation, and the presenter can make a presentation at a location away from the projection apparatus. Therefore, it is possible to give an advantageous presentation in terms of labor and labor as compared with the conventional case, and further, it is possible to improve the usability.

On the other hand, according to the storage medium storing the projection program according to the fourteenth aspect of the present invention, an effect equivalent to that of the projection apparatus according to the first aspect can be obtained.

On the other hand, according to the storage medium storing the display program according to the fifteenth aspect of the present invention, an effect equivalent to that of the display device according to the tenth aspect can be obtained.

It is a block diagram which shows the structure of the network system to which this invention is applied. 2 is a block diagram showing a configuration of a projector 100. FIG. It is a flowchart which shows a projection data acquisition process. It is a flowchart which shows a projection process. 2 is a block diagram showing a configuration of a remote control terminal 200. FIG. It is a flowchart which shows a request transmission process. It is a figure which shows the acquisition information input screen and projection request input screen which are displayed with the remote control terminal.

Explanation of symbols

100 ... projector, 200 ... remote control terminal, 300 ... base station, 310 ... relay station, D
S _{1 to} DS _m ... WWW server, 400 ... Internet, 30, 50 ... CPU, 32, 52
... ROM, 34, 54 ... RAM, 40 ... input device, 42 ... storage device, 44 ... projector, 60
... key panel, 64 ... LCD.

Claims (15)

In a projection apparatus comprising projection means for projecting an image on a screen,
By means of an acquisition means for acquiring the projection data from the data storage terminal when connected to a data storage terminal for storing projection data to be projected, based on the projection data acquired by the acquisition means, by the projection means A projection apparatus comprising: a projection control unit that performs projection. In claim 1,
Input means for inputting an address for specifying the data storage terminal;
The projection apparatus, wherein the acquisition unit acquires the projection data from a data storage terminal specified by an address input by the input unit. In any one of Claims 1 and 2,
The projection apparatus, wherein the acquisition unit acquires the projection data from the data storage terminal in response to an acquisition request from the external terminal when connected to the external terminal in a communicable manner. In claim 3,
The acquisition request from the external terminal includes an address for specifying the data storage terminal,
The projection apparatus characterized in that the acquisition means acquires the projection data from a data storage terminal specified by an address included in an acquisition request from the external terminal. In any of claims 3 and 4,
The acquisition means receives an acquisition request from the external terminal and acquires authentication information from the external terminal; and authentication information for transmitting the authentication information acquired by the authentication information acquisition means to the data storage terminal A projection apparatus comprising: a transmission unit; and a projection data acquisition unit that acquires the projection data from the data storage terminal when it is confirmed that the data storage terminal is authenticated. In any one of Claims 1 thru | or 5,
The projection apparatus, wherein the projection control unit performs projection by the projection unit in response to a projection request from the external terminal when connected so as to be communicable with the external terminal. In any one of Claims 1 thru | or 6.
A projection apparatus comprising: data conversion means for converting the acquired projection data into data of the predetermined format when the projection data acquired by the acquisition means is not data of a predetermined format that can be projected by the projection control means. . In a projection apparatus comprising projection means for projecting an image on a screen,
When a storage medium storing projection data to be projected is given, a reading unit that reads the projection data from the storage medium, and projection control that performs projection by the projection unit based on the projection data read by the reading unit A projection apparatus. In claim 8,
A projection apparatus comprising: data conversion means for converting the read projection data into data of the predetermined format when the projection data read by the read means is not data of a predetermined format that can be projected by the projection control means. . In a display device comprising display means for displaying an image,
By the display means based on the display data acquired by the acquisition means, the acquisition means for acquiring the display data from the data storage terminal when connected to a data storage terminal for storing display data to be displayed Display control means for performing display,
The display device is characterized in that when the acquisition means is communicably connected to an external terminal, the display data is acquired from the data storage terminal in response to an acquisition request from the external terminal. In claim 10,
When the display control unit is connected to be communicable with an external terminal, the display unit performs display by the display unit in response to a display request from the external terminal. A system in which a display device including a display unit for displaying an image, a data storage terminal for storing display data to be displayed, and a control terminal for controlling the display device are connected to be communicable,
The control terminal is adapted to transmit an acquisition request to acquire the display data from the data storage terminal,
The display device includes an acquisition unit that acquires the display data from the data storage terminal in response to an acquisition request from the control terminal, and a display control that performs display by the display unit based on the display data acquired by the acquisition unit. And a display system. In claim 12,
The control terminal is adapted to transmit a display request relating to control of the display device;
The display system, wherein the display control means performs display by the display means in response to a display request from the control terminal. A storage medium storing a projection program that uses a projection means for projecting an image on a screen,
By means of an acquisition means for acquiring the projection data from the data storage terminal when connected to a data storage terminal for storing projection data to be projected, based on the projection data acquired by the acquisition means, by the projection means A storage medium storing a projection program characterized by storing a program for causing a computer to function as projection control means for performing projection. A storage medium storing a display program that uses display means for displaying an image,
By the display means based on the display data acquired by the acquisition means, the acquisition means for acquiring the display data from the data storage terminal when connected to a data storage terminal for storing display data to be displayed As a display control means for performing display, a program for causing a computer to function is stored,
A display program characterized in that, when the acquisition means is communicably connected to an external terminal, the display data is acquired from the data storage terminal in response to an acquisition request from the external terminal. Stored storage medium.

Images