JP2010226399A - Remote file display system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily display non-prepared data existing in a PC at the seat or a server in the company (the department) via a projector by utilizing a remote server or the like in a conference or the like using the projector. <P>SOLUTION: The disclosed remote file display system includes: the remote server 100 provided with an authentication means 110, an operation request means 120 and a communication means 130; a remote terminal 200 provided with an operation reception means 210, a request response means 220 and a communication means 230; a portable telephone 300 provided with an operation instruction means 310 and a data transmission/reception means 320; and the projector 400 provided with an authentication means 410, a data reception means 420, a projector operation means 430, a display means 440 and a preservation means 450. Thus, non-prepared data existing in a PC at the seat or a server in the company (the department) is easily displayed via a projector by utilizing the portable telephone or the like in a conference or the like using the projector. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention is a remote file display system using a remote server, in a meeting using a projector, etc., for carrying data that has not been prepared in advance in a personal computer (PC) or in-house (own department) server. The present invention relates to a remote file display system that enables easy display on a projector using a telephone or the like.

If there is an appropriate explanatory material when giving a presentation, it is possible to deepen the understanding of the questions of the listener and so on, and therefore it is possible to expect an improvement in the quality of the presentation.
However, it is difficult to fully predict what questions the audience will raise. Even if a question can be predicted, it is difficult to prepare all materials in advance to make it easier to understand the response to the question.
However, depending on the situation, these problems can be solved if useful data can be extracted from the data held in each case.

  On the other hand, in Patent Document 1, when an STB (Set Top Box) connected to a network and a video monitor displays connection control information to the presentation management server, the connection control information is used by a mobile phone. Access the presentation management server. Then, using the conversion function of the presentation management server, the presentation file is visualized and an image file is generated. In accordance with an operation instruction from the mobile phone, the presentation management server transmits a designated portion of the image file to the STB. An STB has disclosed a file display method and system, and an image receiving apparatus that allow presentation without giving away a file by carrying an image from a presentation management server and outputting it to a video monitor.

  However, with the technique described in Patent Document 1, files registered in the presentation management server can be displayed, but files in all terminals in the same network cannot be displayed.

JP 2007-129296 A

Conventionally, in order to display data using a projector, it is necessary to prepare data in advance on a connected PC. For this reason, when there is data or the like to be displayed on the projector suddenly during a meeting or the like, the data must be transferred to a PC connected to the projector. In such a conventional method, there are the following two problems.
(1) Data must be retrieved from the PC containing the data.
(2) Data must be transferred to the PC connected to the projector.

The reason for the first difficulty is that when visiting a customer or the like, it is not possible to go to the PC containing the data to retrieve the data.
The reason for the second difficulty is that if you do not bring a PC in advance, it is necessary to insert data into the customer-owned PC connected to the projector. This is because the insertion of data into a PC that is not owned by the own department is preferably avoided from the viewpoint of security.

Therefore, when making presentations using electronic media, it is necessary to realize a remote information display method that enables presentations at remote locations without carrying presentation materials. For that purpose, it is necessary to have the following two functions, which can solve the problems of the conventional method.
(1) The projector is equipped with a communication function and a memory function.
(2) Enables data manipulation and communication between mobile phones, PCs, and projectors via a remote server.

  By providing these functions, when the material to be displayed on the projector is registered in the own PC or in-house (own department) server, the presentation material at a remote location can be used using a mobile phone, etc. It can be easily displayed on the projector.

  The present invention has been made in view of such circumstances, and in a remote file display system using a remote server, by providing these functions, projector materials can be stored in a personal computer or in-house (own department) server. When registered, the object is to make it possible to easily display presentation materials in a remote place on a projector using a mobile phone or the like.

  In order to solve the above-mentioned problems, the present invention relates to a remote file display system, a mobile phone for performing operation instructions and data transmission / reception, and required authentication, operation request and remote control according to operation instructions and data transmission / reception from the mobile phone. A remote server that communicates with the terminal, a remote terminal that accepts an operation request from the remote server, responds to the operation request, and communicates with the remote server, and authentication required according to the communication from the remote server And a projector that performs data transmission / reception, operation of the projector, display on the projector, and required data storage.

  According to the remote file system of the present invention, as a first effect, it is possible to utilize necessary data suitable for the place on the personal computer according to the development of the discussion during the presentation. In addition, if you know the login ID of the projector, anyone other than the presenter can explain using the projector from the data you have, so you can make the most of each person's data. It is possible to conduct high-level discussions.

  As a second effect, even in the case of a presentation accompanying movement, it is not necessary to carry necessary data, and it is possible to prevent forgetting to bring in necessary data or losing it during movement.

It is a figure which shows embodiment of the remote file display system of this invention. It is a figure which shows the function of each part in the remote file display system of this invention. It is a figure explaining operation | movement of the remote file display system of this invention. It is a figure which shows the communication protocol in the remote file display system of this invention.

Embodiment

Hereinafter, an embodiment of the present invention will be described in detail with reference to the drawings.
FIG. 1 shows the configuration of a remote file display system according to the present invention, which shows that it includes a remote server 100, a remote terminal 200, a mobile phone 300, and a projector 400. Among these, the remote server 100 and the remote terminal 200, and the mobile phone 300 and the projector 400 are respectively arranged in the same space.
The remote terminal 200 is composed of, for example, a personal computer, but may be another control device as long as it has an equivalent function.

  As shown in FIG. 1, the remote server 100 transmits data to and from the mobile phone 300 and also transmits data to and from the remote terminal 200 to transmit data to the projector 400. To do.

  Thus, it is necessary for the remote server 100 to transfer, for example, data on the personal computer to the PC connected to the projector 400 by mediating transmission of information among the mobile phone 300, the remote terminal 200, and the projector 400. It is possible to display the image on the projector 400 without using it.

  FIG. 2 is a diagram for explaining the function of each part constituting the remote file display system of the present invention. The remote server 100, the remote terminal 200, the mobile phone 300, the projector 400, the telephone line network 500, An Internet network 600 is shown.

  The role of the remote server 100 is to mediate data and operation requests between the mobile phone 300, the remote terminal 200, and the projector 400. For the function of the remote server 100 necessary for that purpose, an authentication unit 110 for permitting the remote terminal 200 to perform an operation, and an operation request for mediating an operation request sent from the mobile phone 300 to the remote terminal 200 Examples include a communication unit 130 that performs communication with each of the units 120, the remote terminal 200, the mobile phone 300, and the projector 400.

  The role of the remote terminal 200 is to respond to an operation received from the mobile phone 300 and to transmit data. The functions of the remote terminal 200 required for this purpose include an operation accepting unit 210 that accepts an operation request sent from the mobile phone 300 via the remote server 100, a request response unit 220 that responds to the operation request, A communication unit 230 for communicating necessary information with the remote server 100 is exemplified.

  The role of the mobile phone 300 is to perform an exchange of operations with the remote terminal 200 via the remote server 100 and a data transfer request to the projector 400. The functions of the mobile phone 300 necessary for this purpose include an operation instruction means 310 for making an operation request from the mobile phone 300 to the remote terminal 200 and a data transmission / reception means 320 for communicating operation details and necessary information.

  The role of the projector 400 is to perform authentication of received data and reception, projection, and data operations. The functions of the projector 400 necessary for that purpose include an authentication unit 410 for determining whether or not to accept data sent for display, a data reception unit 420 for receiving data to be displayed, Examples include a projector operation unit 430 for operating received data, a display unit 440 for displaying data, and a storage unit 450 for storing received data.

  FIG. 3 explains the operation of the present invention, and shows the flow of processing among the remote server 100, remote terminal 200, mobile phone 300, and projector 400 constituting the remote file display system. Is shown.

In order to operate the remote terminal 200, the user performs a login operation (310A) for logging into the remote server 100 from the mobile phone 300. Upon receiving the login request from the mobile phone 300, the remote server 100 performs an authentication process (110) and permits login.
The logged-in user then makes a simple PC operation request (310 </ b> B) on the mobile phone 300 for acquiring data of the personal computer that is the remote terminal.

This PC operation request is transferred to the personal computer via the remote server 100 as a PC operation request (120). The personal computer that has received the operation request returns an output corresponding to the request as a response (210) to the operation request.
The output result from the self-seat PC is passed to the mobile phone 300 via the remote server 100 again as a reception of the operation result (310C) by transferring the response from the PC to the mobile phone (130A).

The user can operate the user's own PC using the mobile phone 300 by this series of processing flows.
Here, the mobile phone 300 is described as the operation controller of the remote terminal 200, but this is only an example, and a PC other than the self-seat PC that issues an operation request to the self-seat PC via the remote server 100 is described. Or the like, it is possible to play the role of the mobile phone 300 described above.

Next, when it is desired to transfer data to the projector 400, first, the mobile phone 300 makes a data transfer request (320) to the projector.
This transfer request is transmitted to the personal computer via the remote server 100 as a data transfer request (130B).

At this time, in the operation of the mobile phone 300, the IP (Internet Protocol) address and the authentication ID (Identification) of the target projector 400 must be transmitted to the personal computer via the remote server 100.
Since this authentication ID is sufficient for security purposes only when the projector is used, it is randomly assigned each time the projector 400 is activated, and is displayed on the screen from the projector 400 by operating a button (not shown). Shall be allowed to
Also, once assigned, the authentication ID is reset when the power of the projector 400 is turned off.

Upon receiving the data transfer request, the user's own PC transfers the data to which the target IP address and the authentication ID are added in a packet, and transfers the data to the remote server 100 by transmitting the data to the remote server (220).
The remote server 100 that has received the data from the own PC transfers the data to the target projector 400 by transferring the received data to the projector (130C).

When there is data sent to the projector 400, the projector 400 performs an authentication process (410) based on the authentication ID. If the data can be authenticated, the data is received (420) by a storage device (not shown) of the projector 400 itself.
After the data is received by the projector 400, the operation of the projector 400 is enabled by the operation reception (430).

When the projector 400 completes reception of data in the storage device, the user operates the projector 400 with an input device (not shown) attached to the projector 400 and projects the data that the user wants to use on the screen. Will be able to.
The data that has been used can be deleted by an operation from the input device. In consideration of security problems, the data stored in the storage device is limited to a maximum of one so that the data can be erased even when the power is turned off.

  Further, since the projector 400 has only a reception function, it cannot transfer data to the outside.

FIG. 4 illustrates a communication protocol between apparatuses in the case of the present invention.
As shown, FTP (File Transfer Protocol) is used as a communication protocol between the remote server 100 and the remote terminal 200 and from the remote server 100 to the projector 400, and a communication protocol between the remote server 100 and the mobile phone 300. As such, WAP (Wireless Application Protocol) is used.

  The embodiment of the present invention has been described in detail with reference to the drawings. However, the specific configuration is not limited to this embodiment, and there are design changes and the like without departing from the gist of the present invention. Are also included in the present invention.

  The remote file display system according to the present invention uses a mobile phone or the like to store unprepared data stored in a personal computer or in-house (own department) server at a meeting or the like using a projector. It can be widely used when displaying.

DESCRIPTION OF SYMBOLS 100 Remote server 110 Authentication means 120 Operation request means 130 Communication means 200 Remote terminal 210 Operation acceptance means 220 Request response means 230 Communication means 300 Mobile phone 310 Operation instruction means 320 Data transmission / reception means 400 Projector 410 Authentication means 420 Data transmission / reception means 430 Projector operation Means 440 Display means 450 Storage means

Claims (5)

  A mobile phone that performs operation instructions and data transmission / reception, a remote server that performs required authentication, an operation request, and communication with a remote terminal according to operation instructions and data transmission / reception from the mobile phone, and operations from the remote server A remote terminal that receives a request, responds to an operation request, and communicates with a remote server; and according to communication from the remote server, required authentication, data transmission / reception, operation of the projector, display on the projector, and A remote file display system comprising a projector for storing data.   The remote file display system according to claim 1, wherein the remote server and the remote terminal are in the same space, and the mobile phone and the projector are in the same space.   3. The remote file display system according to claim 1, wherein information transmission between the mobile phone and the remote server is performed via a telephone line network.   4. The remote file display system according to claim 1, wherein information transmission between the remote server and the projector is performed via an Internet network.   Operation instruction and data transmission / reception between the remote server and the remote terminal are performed by FTP (File Transfer Protocol), operation instruction and data transmission / reception between the remote server and the mobile phone are performed by WAP (Wireless Application Protocol), 5. The remote file display system according to claim 1, wherein an operation instruction and data transmission from the remote server to the projector are performed by FTP.

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