JPH10283103A - Presentation system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To enable presentation efficiently for anybody by recording the operation of personal computer(PC) during presentation corresponding to the button of remote controller. SOLUTION: A data converting part for command data to the application software of the PC 2 is provided with a reloadable storage part for storing the correspondence of the command button and command data and a recording part for recording the correspondence of the mouse and keyboard information of the PC 2 inputted by operating the real application software and this command button and while decoding button information from a remote controller 4, series of operation are performed.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a presentation system for displaying a marker on a projection screen for presentation displayed under computer control, and more particularly to a presentation system characterized by remote control operation from a position away from the display screen. It is.

[0002]

2. Description of the Related Art Conventionally, as disclosed in Japanese Patent Application Laid-Open No. Hei 8-179880, a presentation system using a liquid crystal projection device used in a conference or the like uses a presentation application of a personal computer to display an image of a presentation, and Using a remote control attached to a liquid crystal projection device to operate a PC application (for example, sending a page)
Has become possible. For the operation, you can assign the keys of the personal computer to the buttons on the remote control of the LCD projection device, but those that can be operated with the buttons are simply moving the mouse or using the buttons of the remote control instead of single key input Is limited to It is also possible to assign a continuous keyboard input to one remote control button, but for that purpose, the user needs to specify a key on the keyboard corresponding to the remote control button.

FIG. 9 shows a conventional method of assigning buttons and body keys, and performs a dedicated process of directly inputting a key to be assigned from a keyboard irrespective of the operation of application software used for presentation.
In FIG. 9, an operation in which an “ESC” key, a “T” key, and a “C” key of a keyboard are sequentially pressed is assigned to button 1, and similarly, an “ESC” key of the keyboard is assigned to button 2
Key, "L" key and "C" key, button 4 "ESC" key, "Q" key and "E" key of the keyboard, and button 5 "ESC" key and "C" key of the keyboard. 8 shows a screen example of an assignment operation when assigning an "F" key. In this assignment operation, the keyboard operation of the application software to be used is made to correspond to the button on the remote control, but if there is no correspondence table, ordinary people will have to know which key to assign for the desired application operation Cannot operate without knowing. In other words, this operation has a problem that it is complicated so that it is impossible only for a user who has a great knowledge of personal computers, and that there are many errors in key specification.

As a method of transferring information from a remote controller to an application, a remote control signal receiver is directly added to a mouse port of a personal computer or a keyboard input port of a personal computer, and a remote control signal received by the receiver matches each input port. A method for converting to a signal level and a format, and a method for receiving a remote control signal with a liquid crystal projection device and using a serial communication port (RS-232) of a personal computer.
C).

[0005]

In a conventional presentation system using a liquid crystal projection device using a personal computer, continuous keyboard input can be assigned to one remote control button.
For that purpose, the user must specify the key on the keyboard corresponding to the remote control button on the personal computer, and this work is so complicated as to be impossible only for users with a great knowledge of personal computers. And
There was a problem that many input errors were included.
Furthermore, although operation with a mouse is more general and easier than operation with a keyboard, there is a problem that mouse operation cannot be recorded.

[0006]

In order to solve the above-mentioned problems, a presentation system of the present invention is a presentation system for controlling a liquid crystal projection device using a remote controller and an externally connected personal computer. A receiving unit that receives the signal transmitted from the remote controller, and a data conversion / transfer unit that converts / transfers the received signal into data for the personal computer, wherein the personal computer transmits the data for the personal computer transferred from the liquid crystal projection device. And a data converter for converting the received data into command data for an application. The remote controller has an image operation button for a liquid crystal projection device, a command button for command data for application software for presentation, and a mask. It is obtained by comprising the scan function.

According to the present invention, it is possible to record the correspondence between the buttons on the remote controller and the keyboard operations by operating the actual application, and also record the mouse operations on the buttons on the remote controller, thereby providing a presentation system that is easy to operate.

[0008]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A presentation system according to a first aspect of the present invention is a presentation system for controlling a liquid crystal projection device using a remote controller and an externally connected personal computer, wherein the liquid crystal projection device transmits from the remote controller. A receiving unit for receiving the signal, and a data converting / transferring unit for converting / transferring the received signal to the data for personal computer;
The personal computer includes a receiving unit that receives the data for the personal computer transferred from the liquid crystal projection device and a data conversion unit that converts the received data into command data for an application.The remote control includes an image operation button for the liquid crystal projection device. It is equipped with a command button for command data to the application software for presentation and a mouse function.By operating the buttons and mouse of the remote control, the presentation can be easily performed via the liquid crystal projection device and personal computer. Can operate.

According to a second aspect of the present invention, in the first aspect, the data conversion unit of the personal computer is rewritable for storing a correspondence between a command button of the remote controller and command data to the application software. A storage unit and a recording unit for recording the correspondence between the mouse and keyboard information of the personal computer input to the application software and the command button. By using, the correspondence between the buttons on the remote control and the keyboard operation of the personal computer and the mouse operation can be recorded, and a simple and effective presentation can be made.

Hereinafter, embodiments of the present invention described in claims 1 and 2 of the present invention will be described with reference to FIGS.

FIG. 1 is a diagram showing an outline of a presentation system using a liquid crystal projection device according to the present embodiment, wherein 1 is a liquid crystal projection device, 2 is a personal computer (which also stores presentation screens and the like), Reference numeral 3 denotes a screen for projecting a screen, 4 denotes a remote control of the liquid crystal projection device, 5 denotes an RS232-C cable and a video signal connection cable for connecting the personal computer 2 to the liquid crystal projection device 1.

In FIG. 1, a presenter executes presentation application software to display a presentation image or the like on a personal computer 2, and projects and displays the image on a screen 3 via a liquid crystal projection device 1. To move to the next screen,
By pressing the command button of the remote controller 4 at hand, the emitted remote control signal is input to the liquid crystal projection device 1. The input remote control signal is converted into a format that can be interpreted and operated by the personal computer 2 in the liquid crystal projection device 1, and is transferred from the liquid crystal projection device 1 to the personal computer 2 via the RS-232C cable 5. Therefore, the receiving unit inside the personal computer 2
The button signal is recognized, converted into a screen movement command recorded in advance, and transferred to application software. The application software executes screen movement (page movement) by executing a command in the same manner as when a command is normally input with a keyboard or when operated with a mouse.

FIG. 2 shows a remote controller 4 according to the present embodiment.
FIG. 21 is a trackball, 22 is a detection unit of the movement amount of the trackball 21 in the X direction, 23 is a detection unit of the movement amount of the trackball 21 in the Y direction, 24 is a controller of the remote controller, 2
5 is a key matrix for detecting whether a button for issuing a command to the personal computer is pressed, 26 is a remote control signal transfer section, 27 is a remote control operation button section, and 2 is a remote control operation button section.
8 is button 1, 29 is button 2, 30 is button 3, 31
Is a left mouse button (L button), 32 is a right mouse button (R button), 33 is an input switching button, and 34 is a mode switching button.

In FIG. 2, the controller 24 always detects a change in the state of the trackball 21 and the button 27, and
The key matrix unit 25 is monitored. If there is a change in the movement amount of the trackball 21 or the state of each button, a remote control signal in the format shown in FIG. 3 is transmitted from the remote control signal transfer unit 26 to the projector.

FIG. 3A shows the mouse information of the remote control code, FIG. 3B shows the button information of the remote control code, and FIG. 3C shows the STX and ETX signals in the remote control code for transferring the code to the personal computer. Indicates a remote control code to which is added.

In FIG. 3, the remote control code includes a code type identification section, an X movement amount, and a Y movement amount. The code identification unit 01 represents a track ball data group,
The X movement amount and the Y movement amount are expressed in hexadecimal. The most significant bits of the X and Y movement amounts indicate the states of the L button and the R button, respectively. Therefore, the X and Y movement amounts are each represented by the remaining lower 6 bits. FIG.
In (a), the X movement amount of 81 (hexadecimal) indicates that the L button was pressed and simultaneously moved one step in the X direction. Further, 8F (hexadecimal) of the Y movement amount indicates that the R button was pressed and moved in the Y direction for 15 steps.

FIG. 4 shows an internal block diagram of the liquid crystal projection device. 41 is a remote control receiver for buttons, 4
Reference numeral 2 denotes a remote control receiving unit for a mouse (that is, a trackball, hereinafter referred to as a mouse); 43, a system control microcomputer (hereinafter, referred to as a syscon) for controlling the entire liquid crystal projection device; An input / output unit, 45 is an LCD timing controller for displaying an image of a personal computer on a liquid crystal, 46 is a signal processing unit, and 47 is a liquid crystal panel. Mouse position information and button information from the remote controller are respectively input to dedicated receiving units 41 and 42, converted into signal levels that can be input to the system controller 43, and input to the system controller 43. The system controller 43 converts the input remote control code into a format that can be transferred by RS232C,
The data is transferred from the RS232C data input / output unit 44 to the personal computer. The method of displaying on the liquid crystal panel 47 from the LCD timing controller 45 is the same as the display method of a general liquid crystal projection device, and will not be described. As described above, the mouse position information and the button information of the remote controller are transferred to the personal computer.

FIG. 5 is a flowchart of a command conversion process and a key recording process inside the personal computer according to the present embodiment. In step 51, the key recording mode is determined, and the normal operation of passing a command to the application is switched. In the key recording mode, first, presentation application software is started (step 52). Next, the button to be recorded is pressed by the remote controller (step 53), and the personal computer recognizes the remote control code input via the liquid crystal projection device. Next, at step 54, a key and a mouse to be recorded on the remote control button are actually operated while operating the application software. For example, ES
By inputting C, T, and O with the keyboard, a key input is detected in the recording process, and "ESC", "T", and "O" are stored in the storage means in correspondence with the input remote control buttons. (Step 55). This is because, while operating the actual application software, the key input is simultaneously assigned to the button and recorded, and the possibility of an assignment error occurs compared to the conventional method, that is, simply inputting the key without running the application software. Very low. As for the mouse operation of moving the cursor by moving the mouse, the coordinates of the cursor when each button of the mouse is clicked and the click state of the left and right buttons of the mouse (hereinafter referred to as mouse information) are recorded as shown in FIG. . The above steps 53 to 55 are repeated. When there is no operation to be assigned to the button, the recording is stopped (step 56), the presentation application is terminated, and the key recording mode is terminated (step 57).

FIG. 7A shows the contents of the remote control button assignment storage unit 93 in the personal computer of FIG. 8 when mouse information is assigned to button 1 (28) of the remote control of FIG. The state of the L button and the R button (that is, pressed or not pressed), the X coordinate and Y coordinate of the cursor on the screen, and the size of the entire application window are shown. In FIG. 7A and FIG. 2, when the L button 31 is first pressed, the size of the application window is X = 400 dots, Y = 200 dots, and the X and Y coordinates of the cursor at that time are X = 150, Y = 30. Next, when the L button is pressed, the coordinates of the cursor indicate X = 180 and Y = 120. FIG.
FIG. 7B is a diagram obtained by converting the cursor coordinates in FIG. 7A according to the size of the application window. When the window becomes X = 640 and Y = 480, the X coordinate of the cursor is changed to 150/400. From 240/64
The Y coordinate is converted from 30/200 to 72/480.

Next, the operation during the presentation will be described with reference to FIG. The remote control code input to the personal computer through the remote control and the liquid crystal projection device is monitored, and if there is a mouse position input (step 59).
The cursor position is updated by adding or subtracting the input movement amount from the current cursor position (step 60). Next, if there is a button input, it is compared with the remote control code recorded in the key recording process, and if it matches, the corresponding keyboard and mouse operation data are passed to the application, so that the application looks like a keyboard,
It can be operated as if operated by a mouse (steps 62 and 63). When the button assigned to the mouse operation is pressed, the recorded left and right button information and coordinate information of the mouse are coordinate-converted according to the size of the current application window as shown in FIG. By passing the information, the application can be operated as if the mouse operation was performed continuously. That is, the mouse coordinates in the window size of the entire application at the time of recording are converted from the mouse coordinates based on the ratio of the window size of the application at the time of giving the command, and the command is issued to the application together with the click information. I have.

The coordinates of the mouse and the click state are assigned to the buttons and recorded. When a change in the operation state (for example, page feed) of the application is detected by the mouse operation, the button is converted into a corresponding key operation and recorded. It is also possible. Here, line drawing, masking, and the like can be performed by using the functions of the application and making each operation correspond to a button by a mouse and key recording operation. With the same operation as described above, it is possible to easily perform most operations required for presentation, such as page feed, line drawing, masking, etc. only by operating the remote controller in the presentation.

FIG. 8 shows an internal block diagram of the personal computer.
91 is a remote control code receiving unit, 92 is a received data command conversion unit, 93 is a remote control button assignment storage unit, and 94 is B
IOS 95 indicates application 1, 96 indicates application 2, and 97 indicates a mouse and a keyboard. A remote control code from a liquid crystal projection device is received by a remote control code receiving unit 91, and button and mouse information of a personal computer operation are received from the remote control code into a received data command conversion unit 92.
If the information matches the button and mouse information in the remote control button assignment storage unit 93, the command is converted into a command for the corresponding stored application, and the command is sent to the application.

Next, a series of specific examples of performing a page turning operation by assigning and recording a page turning function of a presentation to the button 1 of the remote controller and pressing the button 1 during the presentation will be described with reference to FIGS. This will be described with reference to FIG. First, a key recording mode process is started on the personal computer for button assignment. Remote control button 1
Is pressed, a remote control signal is input to the projector, and in FIG. 3B, the code identification unit is input as 08 and the button number is input as 01. The system controller 43 recognizes the input remote control code as a button code and also as a button 1, and sends the code of the button 1 (STX (02) -08-01-ETX (03) to the personal computer from the data input / output unit (44). S
The codes to which TX and ETX are added are sequentially transferred. The PC returns an ACK (reception completion) code and recognizes that the data has been correctly transferred. Here, in the case of a reception error, since a NAK (reception error) is returned, the same data is retransmitted. The application (presentation software) is already running on the personal computer. When starting an application, the user can select an application registered in the personal computer. Here, the code of the button 1 input from the remote control code receiving unit 91 is recognized as the signal of the button 1 of the remote control in step 53, and the recording of the keyboard operation and the mouse operation on the button 1 is started. The key record processing unit always uses keyboard input, mouse movement,
It monitors the status of the left and right buttons.

FIG. 6 shows a recording format of the mouse information. FIG. 6D shows an example of a display screen of the key recording process. (E) shows an example of presentation software. (H) is a button assignment menu, (i)
Indicates an assignment end menu, (j) indicates an application switching menu, and (c) indicates the recorded contents of buttons 1 to 5. In FIG. (C), when button 1 of the mouse is pressed, when the L button of the mouse is pressed, X coordinate = 150, Y coordinate = 30, and then the L button of the mouse is pressed at the cursor position of X = 180, Y = 120. Is recorded. Button 2 is "E
SC, "T", and "C" are sequentially recorded.

In order to start button assignment, an assignment start menu (h) is selected in FIG. Next, when the left button of the mouse is pressed while the cursor is at (f), the key recording processing unit recognizes that the left button has been pressed in the window on the application, and FIG.
, The X coordinate, the Y coordinate, and the state of the left and right buttons are recorded in association with the button 1. Next, at the position shown in FIG.
Similarly, when the left button is pressed, recording is performed in correspondence with the X coordinate, the Y coordinate, and the state button 1 of the left and right buttons as shown in FIG. With the above operation, the next page of the edit menu is executed, that is, the page turning operation is performed. The necessary mouse operation procedure can be recorded in association with the button 1. Next, in (i) of FIG. 6, by selecting the end of the assignment, the recording operation of the button is ended, and the application is ended.

Next, the actual operation will be described. When the remote control button 1 is pressed, the button 1 information is transferred to the personal computer 2 via the projector 1 as described above. In the personal computer 2, the command conversion process and the application shown in FIG. Button 1 input from RS-232C
The code is recognized as not mouse information in the code input process of step 58, and steps 59 and 60 are skipped, and the code is recognized as button information in step 61. 62
The information assigned to the button 1, that is, the mouse information in FIG. 7 is read. Next, the size of the application window is checked, and the mouse position information at the time of recording is converted as described above according to the current application. That is, 400x recorded in the recording format in FIG.
Mouse information on 200 windows (ie, X = 15
0, Y = 30, X = 180, Y = 120) is 640 × 4
Mouse information on window 00 (X = 240, Y = 7
2 and X = 280, Y = 288). Next, by sequentially transferring the converted mouse position information and left and right button information to the application, the application can execute an operation of opening an edit menu and displaying the next page.

[0027]

As described above, according to the present invention, the data conversion section for command data to the application of the personal computer is operated and input by storing the storage section for storing the correspondence between the command buttons and the command data. By providing a recording unit that records the correspondence between the mouse and keyboard information of the personal computer and the command button, and decoding the button information from the remote control and providing a means for converting it to a command to the application, the presenter of the presentation can control the It is possible to perform various operations, such as turning pages and returning pages of an image during a presentation, from a distant place at the operator's discretion simply by operating the buttons and the mouse unit provided in the system.

In addition, it is possible to issue different commands to the application even with the same operation of the same remote controller for different presenters and presentation contents, and to easily record the correspondence between the remote control buttons and the commands to the application for each presenter. This also makes it possible to record the correspondence between buttons and commands and the mouse operation by operating an actual application. Therefore, even a person who is not well-versed in personal computer knowledge can easily record button operations and provide effective presentations.

[Brief description of the drawings]

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

FIG. 2 is a block diagram showing the inside of a remote controller of the presentation system according to the embodiment of the present invention;

FIG. 3 is a diagram for explaining mouse information and button information of a remote control code of the presentation system according to the embodiment of the present invention.

FIG. 4 is a block diagram of a liquid crystal projection device of the presentation system according to the embodiment of the present invention.

FIG. 5 is a flowchart of a command conversion and key recording process in the personal computer of the presentation system according to the embodiment of the present invention.

FIG. 6 is a diagram illustrating a display screen of a key recording process of a remote controller of the presentation system and a display screen of application software according to the embodiment of the present invention.

FIG. 7 is a diagram for explaining a recording / conversion format of mouse information of a remote controller of the presentation system according to the embodiment of the present invention.

FIG. 8 is a block diagram of the inside of a personal computer of the presentation system according to the embodiment of the present invention.

FIG. 9 is a view for explaining a button assignment recording method of the presentation system in the conventional embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 LCD projection apparatus 2 Personal computer 3 Screen 4 Remote control 5 Connection cable

Claims (2)

[Claims] 1. A presentation system for controlling a liquid crystal projection device using a remote controller (hereinafter, a remote controller) and an externally connected personal computer (hereinafter, a personal computer), wherein the liquid crystal projection device transmits a signal transmitted from the remote controller. A receiving unit for receiving and a data converting / transferring unit for converting / transmitting a received signal into the data for the personal computer, wherein the personal computer receives the data for the personal computer transferred from the liquid crystal projection device, and the received data; The remote control has a data conversion unit that converts the data into command data to an application, and the remote control has a command button and a mouse function for command data to a liquid crystal projection device and command data to application software for presentation. Presentation system, wherein the door. 2. A data conversion unit of the personal computer, a rewritable storage unit storing a correspondence between a command button of the remote controller and command data to the application software, and a personal computer input to the application software. 2. A recording unit for recording correspondence between mouse and keyboard information and the command button.
The presentation system described.