KR20070055709A - Beam projector and remote announce system and method having that - Google Patents

Abstract

      The present invention relates to a remote presentation system and method for controlling data transmission and reception by connecting an external terminal and a beam projector located at a predetermined distance from the terminal, wherein the server access information or telephone number corresponding to the beam projector from the terminal. The server receives a beam projector corresponding to the connection information or telephone number from a database, connects the terminal and the video and audio signals of the beam projector, and transmits the presentation data of the terminal to the projection plate through the beam projector. To be projected. This allows for presentations at a remote location, thereby reducing the number of trips for the presentation.

Beam, projector, SIP, announcement, meeting room

Description

Beam projector and remote announce system and method having it

1 is a block diagram of a remote presentation system according to an embodiment of the present invention.

2 is a block diagram of a beam projector according to an embodiment of the present invention.

3 is a block diagram of a terminal according to an embodiment of the present invention.

4 is a diagram illustrating an operation flow of a remote presentation method according to an embodiment of the present invention.

TECHNICAL FIELD The present invention relates to a beam projector, and more particularly, to a beam projector and a remote presentation system and method using the same for enabling remote presentation at a long distance.

Recently, promotion or presentation of products or ideas in various places frequently occurs. To this end, various methods have been mobilized, and among them, a beam projector is used to show an image and to explain.

The beam projector displays an image by projecting image data onto a wall or a projection plate. The beam projector mainly displays a large-scale image so that several people can see the product description or other descriptions while viewing the image at once.

Presentation using such a beam projector is made as follows.

First, the presenter or another person connects a beam projector to a laptop computer and installs it in a conference room. Then, when the notebook computer is executed, the image information executed in the notebook computer is transmitted to the beam projector, and the transferred image information is projected on the wall or the projection plate in the form of a beam. At this time, if necessary, the slides displayed on the notebook computer are turned over and explained and presented.

However, the conventional method of using the beam projector can be presented in the state that the presenter attends the meeting room, there is a problem that can not be a meeting or a presentation when there is no presenter for business trip or other reasons.

In addition, there is a problem in that the presenter must go out for a trip even when the seedling place is a long distance, so that time and cost damage caused by frequent travel is generated.

Recently, due to the development of a teleconferencing system, a protocol has been developed to view a screen of a remote computer using screens of other computers at different points.

The technical problem to be achieved by the present invention is to solve the conventional problems, the presenter to control the beam projector by using a terminal in the remote, even if the remote at a business trip, etc., so that the presentation can be made while displaying information, To provide a beam projector and a remote presentation system and method using the same.

A beam projector according to one aspect of the present invention for solving this problem,

A beam projector connected to a remotely located terminal through an external server.

A communication unit communicating with the terminal through the server;

A control unit which controls to receive and display an image signal of the terminal through the communication unit;

And a projection unit configured to display an image on a predetermined projection plate under the control of the controller.

The beam projector includes: a speaker for outputting voice; The apparatus may further include a microphone for receiving a voice, and the controller may transmit a voice input through the microphone to the terminal, and output a voice signal received from the terminal through the speaker.

Remote presentation system according to one feature of the present invention for solving this problem,

A remote presentation system for controlling data transmission and reception by connecting an external terminal and a beam projector located at a predetermined distance from the terminal.

A telephone number information database for storing telephone numbers corresponding to the beam projectors;

A connection information database storing a connection URI (SIP URI) corresponding to the beam projector (SIP URI; Session Initiation Protocol Uniform Resource Identifier);

When the connection number or the telephone number corresponding to the beam projector is received from the terminal, it comprises a server for connecting the video and audio calls of the terminal and the beam projector.

Remote presentation method according to one feature of the present invention for solving this problem,

A remote presentation method for controlling data transmission and reception by connecting an external terminal and a beam projector located at a predetermined distance from the terminal,

Receiving, by a server, connection information corresponding to a beam projector from the terminal;

The server may search for a beam projector corresponding to the connection information in a database, and connect the video and audio calls of the terminal and the beam projector.

The access information may be a telephone number or a SIP (Session Initiation Protocol Uniform Resource Identifier).

The method,

Receiving, by the beam projector, an image signal and an audio signal of the terminal through the communication unit;

Displaying, by the beam projector, the image signal on a predetermined projection plate;

And outputting the voice signal to a speaker by the beam projector.

DETAILED DESCRIPTION Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. As those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit or scope of the present invention. In the drawings, parts irrelevant to the description are omitted in order to clearly describe the present invention. Like parts are designated by like reference numerals throughout the specification.

In addition, when a part is said to "include" a certain component, this means that it may further include other components, except to exclude other components unless otherwise stated.

1 is a block diagram showing a connection state of a remote announcement system and a peripheral device according to an embodiment of the present invention.

Referring to FIG. 1, the terminal 400 and the beam projector 200 are connected to the server 110 of the remote presentation system through the network 300. Here, the network 300 may include a variety of networks, such as a wired network, a wireless network, a public network, the Internet network, may include all of the conventional wired and wireless networks.

Referring to FIG. 1, a remote presentation system according to an embodiment of the present invention includes a database 120 and a server 110.

The database 120 includes a telephone number information database 121 for storing a telephone number corresponding to the beam projector and an access number database 122 for storing a SIP URI (Session Initiation Protocol Uniform Resource Identifier) corresponding to the beam projector. It includes. If necessary, the access information may be made accessible by another e-mail address or URL information or other access information. When the server 110 receives a connection number or a phone number corresponding to the beam projector from the terminal, the server 110 connects the video and audio calls of the terminal and the beam projector. In this case, data is transmitted and received using a protocol such as SIP or MSRP, and may be executed using another protocol as needed.

FIG. 2 is a configuration diagram of the beam projector of FIG. 1.

2, a beam projector according to an embodiment of the present invention includes a communication unit 210, a speaker 220, a microphone 250, and a controller 230.

The communication unit 210 performs a communication function with the terminal 400 through the server 110, and performs a communication function using the network network 300. The projection unit 240 displays an image on the predetermined projection plate 500 under the control of the controller 230. Since the projection process is well known in the art, a detailed description thereof will be omitted. The speaker 220 outputs a voice signal received from the terminal 300 under the control of the controller 230. The microphone 250 receives a voice and transmits it to the controller 230. The controller 230 controls to receive and display an image signal of the terminal 400 through the communication unit 210, transmits a voice input through the microphone 250 to the terminal 400, and transmits the terminal 400. The audio signal received from the control unit is output through the speaker 220.

In addition, referring to FIG. 3, the controller 230 performs a remote communication function, and processes the remote communication request from the terminal 400 and collects the information received from the terminal 400. And an operating system 232 for performing the MSRP / RFP protocol to project the collected information of the terminal 400.

Next, with reference to Figure 4 will be described in detail the operation of the remote announcement system according to an embodiment of the present invention.

4 is an operation flowchart of a remote presentation system according to an embodiment of the present invention.

Referring to FIG. 4, first, a terminal 400 located at a remote location or an arbitrary place is operated to transmit access information such as an access number or a phone number to the server 110 (S410). In this case, the terminal 400 may be a personal computer or an information terminal or another type of computer. In addition, the terminal 400 has a SIP function and the like and has a function of transmitting and receiving information to a remote place.

Then, the server 110 retrieves the information of the beam projector corresponding to the number received from the terminal 400 in the telephone number database 121 or the access number database 122, the terminal 400 by the connection number of the retrieved beam projector ) Is connected (S420).

Meanwhile, the beam projector 200 is pre-powered to make the SIP stack 230 and the operating system 232 of the controller 230 executable.

In this state, the beam projector 200 accepts the request according to the connection request of the server 110, and the beam projector 200 and the terminal 400 are in a state capable of transmitting and receiving video and audio data (S430).

In this state, the presenter executes the presentation data using the terminal 400 and explains the speech.

Then, the video information and audio information of the presentation material is received to the control unit 230 through the communication unit 210, the SIP stack 231 of the control unit 230 collects the information received from the terminal 400, operating system 232 performs the MSRP / RFP protocol to project the collected information of the terminal 400 and to produce a voice output. Then, the projection unit 240 displays the presentation information on the projection plate 500, the speaker 220 outputs the speaker's voice.

On the other hand, a question asked by a questioner or the like is input through the microphone 250, and the control unit 230 converts it into a voice signal and transmits it to the terminal 400 through the communication unit 210 (S440). ).

In this way, the questioner and the presenter can discuss and present each other. This can minimize travel or give presentations in other locations.

The embodiments of the present invention described above are not implemented only through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiment of the present invention or a recording medium on which the program is recorded. Implementation may be easily implemented by those skilled in the art from the description of the above-described embodiments.

Although the embodiments of the present invention have been described in detail above, the scope of the present invention is not limited thereto, and various modifications and improvements of those skilled in the art using the basic concepts of the present invention defined in the following claims are also provided. It belongs to the scope of rights.

As described above, in an embodiment of the present invention, the presenter can control the beam projector using a terminal remotely on a business trip or the like, or even make a presentation while displaying information. It is possible to provide a projector and a remote presentation system and method using the same.

Claims (8)

A beam projector connected to a remotely located terminal through an external server. A communication unit communicating with the terminal through the server; A control unit which controls to receive and display an image signal of the terminal through the communication unit; And a projection unit configured to display an image on a predetermined projection plate under the control of the controller. The method of claim 1, A speaker for outputting voice; And a microphone for receiving a voice, wherein the control unit transmits a voice input through the microphone to the terminal, and outputs a voice signal received from the terminal through the speaker. The method according to claim 1 or 2, The control unit, A SIP stack performing a remote communication function and collecting information received from the terminal; And a operating system for controlling to project the collected information of the terminal. A remote presentation system for controlling data transmission and reception by connecting an external terminal and a beam projector located at a predetermined distance from the terminal. A telephone number information database for storing telephone numbers corresponding to the beam projectors; And receiving a telephone number corresponding to the beam projector from the terminal, and connecting a video and audio call of the terminal to the beam projector. A remote presentation system for controlling data transmission and reception by connecting an external terminal and a beam projector located at a predetermined distance from the terminal. A connection information database storing a connection URI (SIP URI) corresponding to the beam projector (SIP URI; Session Initiation Protocol Uniform Resource Identifier); And receiving a connection number corresponding to the beam projector from the terminal, and connecting a video and audio call of the terminal to the beam projector. A remote presentation method for controlling data transmission and reception by connecting an external terminal and a beam projector located at a predetermined distance from the terminal, Receiving, by a server, connection information corresponding to a beam projector from the terminal; A server searching for a beam projector corresponding to the connection information in a database, and connecting the terminal and a video and audio call of the beam projector. The method of claim 6, And the access information comprises at least one of a telephone number and a SIP URI (Session Initiation Protocol Uniform Resource Identifier). The method according to claim 6 or 7, Receiving, by the beam projector, an image signal and an audio signal of the terminal through the communication unit; Displaying, by the beam projector, the image signal on a predetermined projection plate; And outputting the voice signal to a speaker by the beam projector.

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