KR20080064575A - System for controlling remote projector and terminal applied to the same - Google Patents

Abstract

A system for remotely controlling a projector and a terminal applied therefor are provided to allow a person to easily give a presentation to a third party located in a remote area. A user terminal(100) requests a remote presentation service based on a phone number corresponding to a target terminal with which the service is to be executed, and provides control information for a presentation. A projector control server(210) detects stored presentation data and executes interworking with the target terminal, in response to the service request. A projector controller(300), namely, the target terminal, receives the presentation data, sets up a projector, which has been set to be connected, to a presentation execution mode, and controls a presentation screen image according to the control information.

Description

Projector remote control system and terminal applied thereto {SYSTEM FOR CONTROLLING REMOTE PROJECTOR AND TERMINAL APPLIED TO THE SAME}

1 is a block diagram showing a projector remote control system according to an embodiment of the present invention,

2 is a block diagram showing the user terminal shown in FIG.

3 is a block diagram showing the projector controller shown in FIG.

FIG. 4 is a flowchart illustrating the operation of the system shown in FIG. 1.

<Description of Symbols for Main Parts of Drawings>

100: user terminal 110: pointer control unit

120, 310: data storage unit 130, 330: control unit

140: key signal input unit 150: RF transmitter

200: mobile communication network 210: projector control server

300: projector controller 320: pointer synthesis unit

340: mobile communication modem unit 350: wired and wireless interface unit

400: Projector 500: Screen

600: Internet 610: computer device

The present invention relates to a projector control system, and more particularly, to a projector remote control system for controlling a remote projector through a mobile communication terminal and a terminal applied thereto.

In general, presentation refers to the presentation of research contents, the presentation of a plan or business description, the presentation at a seminar, etc., and the presentation of a claim or opinion to a large number of people.

If you need to provide a large number of people with the materials you need for your presentation, use handouts, use briefing charts, slider projectors, and OHP. Nowadays, many projectors are easy to use and have various functions. A projector is a device that converts certain screen data into an image that can be recognized by people. It is common to connect the projector to a data storage device that stores screen data for presentation.

However, such a conventional presentation system is executed when the presenter and a third party receiving the presentation report are located in the same space, and it is difficult to apply when the presenter and the third party are located in a space separated from each other.

Accordingly, the present invention has been made to solve the above problems, and an object of the present invention is to communicate between a terminal of a user reporting a presentation using a mobile communication service and a terminal connected to a projector to present the presentation in a space. The present invention provides a projector remote control system and a terminal applied thereto to enable presentation presentation.

Projector remote control system according to a first aspect of the present invention for achieving the above object, a user requesting a service based on the target terminal and the phone number corresponding to the remote presentation service execution, the user providing the control information for the presentation In response to the service request, a terminal, a projector control server for executing interworking with the target terminal based on detection of previously stored presentation data and the control information, and a presentation of a connected projector by receiving the presentation data. And a projector controller which is the target terminal for setting up in the mode and controlling the presentation screen in response to the control information.

In addition, the projector remote control user terminal according to the second aspect of the present invention for achieving the above object, the key signal input unit for inputting the telephone number of the target terminal corresponding to the remote presentation service execution, the remote location where the target terminal is located An RF transmitter for transmitting RF-encoded control information for presentation to the projector control server of a mobile communication network, and displaying a menu screen corresponding to the execution of the remote presentation service, and corresponding to the telephone number. A control unit for requesting service to the projector control server through a key signal to implement interworking with the target terminal, and paging up the presentation data previously stored in the projector control server to execute a presentation through the corresponding terminal; Characterized in that.

In addition, the projector controller according to the third aspect of the present invention for achieving the above object, the control information for the service execution and the presentation data from the projector control server in conjunction with the user terminal for generating a command for executing the remote presentation service A mobile communication modem unit for receiving the data, a data storage unit for storing the presentation data, a wired / wireless interface unit for transmitting the presentation material to a projector for displaying on the screen, and remotely presenting the projector through the control information. And a controller configured to set up a preparation mode for executing a presentation service and to control the projector based on paging up-down information based on the presentation data.

In addition, a projector remote control system according to a fourth aspect of the present invention for achieving the above object, a user terminal for directing and controlling the pointer to the presentation material displayed by executing a remote presentation service, the pointer indication information and presentation Projector control server for providing the presentation control information to the remote presentation target terminal and the projector for synthesizing the presentation data and the pointer indication information transmitted from the projector control server and displaying the pointer-directed presentation screen through the projector And a controller.

In addition, the projector remote control user terminal according to the fifth aspect of the present invention for achieving the above object, the key signal input unit for inputting the telephone number of the target terminal corresponding to the remote presentation service execution, the remote location where the target terminal is located An RF transmitter for transmitting the RF-converted signal by encoding control information for presentation to a projector control server of a mobile communication network, and displaying presentation data previously stored in the projector control server on a terminal screen, and displaying the terminal screen. A service request is made to the projector control server through a pointer control unit for moving a pointer located at a key and a key signal corresponding to the telephone number, thereby implementing interworking with the target terminal, and paging up the presentation data. Displayed via It characterized in that it comprises a display control unit for displaying the position to move the pointer.

In addition, the projector controller according to the sixth aspect of the present invention for achieving the above object, the service execution, the presentation data and the pointer instruction from the projector control server in conjunction with the user terminal for generating a command for the remote presentation service execution A mobile communication modem unit for receiving control information for the data, a data storage unit for storing the presentation data, and a page for down-composing through the control information for synthesizing the pointer to an indication position on a presentation screen displayed through a projector. A pointer synthesizer, a wired / wireless interface unit for transmitting the presentation screen on which the pointer is displayed to the projector, and the control information are decoded and analyzed, and then the presentation data for display through the projector is extracted, and the extracted presentation Synthesizes the pointer to the charge on the pointed position is characterized in that a control unit for performing control for outputting to the projector.

Hereinafter, a preferred embodiment of a projector remote control system according to the present invention with reference to the accompanying drawings in detail as follows.

1 is a block diagram illustrating a projector remote control system according to an embodiment of the present invention. As shown in FIG. 1, the projector remote control system includes a user terminal 100 capable of mobile communication, a projector control server 210 provided in a mobile communication network 200, a projector controller 300 located at a remote location, and a projector 400. ).

The user terminal 100 requests a service to the projector control server 210 based on a telephone number corresponding to the projector controller 300 to execute a remote presentation service, and controls the projector to control information for executing a presentation. Provided to the projector controller 300 via the server (210).

In addition, the projector control server 210 responding to the service request detects the presentation data stored in advance, and transfers the presentation data detected by interworking with the projector controller 300 based on the control information, and remotely. Delivers control commands for running a presentation service.

In addition, the projector controller 300 receives and stores the presentation data, sets up the projector 400 in short range wireless communication or USB connection to the presentation execution mode based on a control command, and presents a presentation corresponding to the applied control information. The projector 400 is controlled to display the presentation screen on the screen 500.

Further, in order to upload the presentation data to the projector control server 210, upload the data through the computer device 610 connected to the Internet 600 interworking with the mobile communication network 200, or the user terminal 100 You can also upload directly via). In addition, the user terminal 100 or the projector controller 300 is preferably implemented as a mobile communication terminal, based on a mobile communication service.

More specifically, the user terminal 100 encodes the RF signal by inputting the key signal input unit 140 for inputting the phone number of the projector controller 300 located in the remote location and executing the control and the control information for presentation. Display a menu screen corresponding to the RF transmission unit 150 and the remote presentation service execution for transmitting a signal to the projector control server 210, and requests the service control to the projector control server 210 through the telephone number input And a control unit 130 for interworking with the projector controller 300 and paging down the presentation data previously stored in the projector control server 210 to execute the presentation remotely through the projector controller 300. do.

In addition, the user terminal 100 further includes a voice transmitter / receiver for executing the presentation via voice and a data storage unit 120 for uploading predetermined presentation data to the projector control server 210 in addition to the presentation data. .

In addition, the projector controller 300 is a mobile communication modem unit 340 for receiving data and control information in cooperation with the projector control server 210, a data storage unit 310 for storing the presentation data, presentation A control unit for controlling the projector 400 based on the wired / wireless interface unit 350, which is a means for connecting with the projector 400 to display the material on the screen 500, and paging up-down information based on the presentation data. 330). The projector controller 300 may further include a voice transmitter / receiver for transmitting the user voice generated by the user terminal 100 to a third party for viewing the presentation.

In addition, the data storage units 120 and 310 provided in the user terminal 100 or the projector controller 300 may be implemented as a removable external memory.

Furthermore, the projector remote control system is implemented not only to display the presentation material at a remote place, but also to display a pointer for indicating a specific position on the presentation screen displayed on the screen 500 through the projector 400. It may be implemented. To this end, the user terminal 100 provides the pointer position information generated by moving a point to the presentation displayed on the terminal screen through the pointer controller 110 to the projector control server 210 together with the control information. do. Means for indicating a pointer in the user terminal 100 may include a vector pointer movement, a pointer movement when a screen is touched.

In addition, the projector controller 300 extracts a predetermined presentation screen for display based on control information including pointer position information generated in the user terminal 100 through the projector control server 210, and extracts the extracted presentation screen. It may be implemented by further including a pointer synthesizing unit 320 for synthesizing the pointer position information on the presentation screen.

Hereinafter, with reference to the accompanying drawings will be described in more detail for the operation of the projector 400 remote control system according to the present invention.

FIG. 4 is a flowchart illustrating the operation of the system shown in FIG. 1. As shown in FIG. 4, the method for remotely controlling the projector precedes a process of uploading data for presentation to the projector control server 210 (S100). Subsequently, the user requests a remote presentation service to the projector control server 210 according to the user's terminal 100 by setting the phone number of the projector controller 300 located at a remote location (S102). Accordingly, in response to the service request, the projector control server 210 extracts the corresponding presentation data that is already stored and executes call setup with the projector controller 300 (S104).

Furthermore, the projector controller 300 stores the presentation data provided from the projector control server 210 after the call connection (S106), and proceeds to set up the remote control execution service mode for the wired / wireless connected projector 400. (S108). Subsequently, when the user manipulates the user terminal 100 to handle the presentation data up and down (S110), the projector controller 300 also interworks with the projector controller 300 through the relay of the projector control server 210 in response thereto. The process for displaying the corresponding presentation screen is performed (S112).

Although the above has been described with reference to a preferred embodiment of the present invention, those skilled in the art will be variously modified and changed within the scope of the invention without departing from the spirit and scope of the invention described in the claims below. I can understand that you can.

Therefore, according to the present invention, a system is implemented to control a remote projector through call setup between incoming and outgoing mobile communication terminals, so that a presenter who wants to present a presentation can easily present the presentation to a third party located at a remote site. There is an advantage.

Claims (16)

A user terminal for requesting a service based on a target terminal and a phone number corresponding to executing a remote presentation service, and providing control information for presenting the service; A projector control server for detecting the presentation data stored in advance and interworking with the target terminal based on the control information in response to the service request; And And a projector controller which is the target terminal for setting the connected projector by receiving the presentation data in a presentation execution mode and controlling the presentation screen in response to the control information. The system of claim 1 wherein the system is And a computer device for connecting with the projector control server and uploading the presentation material. The method of claim 1, wherein the user terminal or the projector controller Projector remote control system, characterized in that implemented as a mobile communication terminal. 3. The projector according to claim 1 or 2, wherein the projector controller is Projector remote control system, characterized in that the short-range wireless communication with the projector, or USB connected communication. A key signal input unit for inputting a telephone number of a target terminal corresponding to executing a remote presentation service; An RF transmitter for encoding a control information for presentation at a remote location where the target terminal is located and transmitting the RF converted signal to a projector control server of a mobile communication network; Display a menu screen corresponding to the execution of the remote presentation service, request a service to the projector control server through a key signal corresponding to the phone number to implement interworking with the target terminal, and store in the projector control server. And a controller for paging up and down the presentation data being used and executing the presentation through the corresponding terminal. The method of claim 5, wherein the user terminal And a voice transmitter / receiver for executing the presentation through voice in addition to the presentation data. The method of claim 5 or 6, wherein the user terminal And a data storage unit for uploading the presentation data to the projector control server. A mobile communication modem unit for receiving control information on service execution and presentation data from a projector control server interworking with a user terminal generating a command for executing a remote presentation service; A data storage unit for storing the presentation data; A wired / wireless interface unit for delivering the presentation material to a projector for displaying on a screen; And And a controller for setting the projector to a ready mode for executing a remote presentation service through the control information, and controlling the projector based on paging up-down information based on the presentation data. . 10. The projector of claim 9, wherein the projector controller is And a voice transmitter / receiver for transmitting a user voice generated by the user terminal. A user terminal for instructing and controlling a pointer to presentation data displayed by executing a remote presentation service; A projector control server for providing the pointer indication information and the presentation control information to a remote presentation target terminal; And And a projector controller for synthesizing the presentation data and the pointer indication information transmitted from the projector control server to display a pointer-directed presentation screen through a projector. The method of claim 10, wherein the user terminal And a vector pointer movement and a screen touch pointer movement as means for indicating the pointer. A key signal input unit for inputting a telephone number of a target terminal corresponding to executing a remote presentation service; An RF transmitter for encoding a control information for presentation at a remote location where the target terminal is located and transmitting the RF converted signal to a projector control server of a mobile communication network; A pointer controller for displaying presentation data previously stored in the projector control server on a terminal screen and moving a pointer located on the terminal screen; And The service request is made to the projector control server through a key signal corresponding to the phone number to implement the interworking with the target terminal, and the location is moved to the presentation screen displayed through the corresponding terminal by paging up the presentation data. And a control unit for displaying one pointer. The method of claim 12, wherein the user terminal A voice transmitter / receiver for executing a presentation through voice in addition to the presentation data; And And a data storage unit for uploading the presentation data to the projector control server. The method of claim 13, wherein the data storage unit Projector remote control user terminal, characterized in that the external memory that is implemented detachably to the user terminal. A mobile communication modem unit for receiving control information on service execution, presentation data, and pointer indication from a projector control server interworking with a user terminal generating a command for executing a remote presentation service; A data storage unit for storing the presentation data; A pointer synthesizing unit for synthesizing the pointer at an indication position on a presentation screen which is paged down through the control information and displayed by a projector; A wired / wireless interface unit for transmitting the presentation screen on which the pointer is displayed to the projector; And A control unit configured to decode and interpret the control information, extract presentation data for display through the projector, and perform control for outputting the presentation data to the projector by synthesizing the pointer to the indicated position on the extracted presentation data; Projector controller, characterized in that. 16. The projector of claim 15, wherein the projector controller is And a mobile communication terminal capable of incoming and outgoing mobile communication with the user terminal.

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