JPH10333870A - Image display system and method therefor - Google Patents

Abstract

PROBLEM TO BE SOLVED: To easily executable the change of a scenario of presentation, etc., by using a data processing means to control the reading of image data out of a recording medium. SOLUTION: A memory card 103 storing the image data is loaded into an image display device 102 and a presentation-only application is started. Then, a computer 100 gives a request to the device 102 for the data which are needed for display of a presenter screen 106. The data on a necessary screen are read out of the card 103 and sent to the computer 100, and the screen 106 is shown on a monitor 101. When the presenter clicks his desired screen included in a sequence window 203 by means of a mouse, the number of the clicked screen is sent to the device 102. Then, the image data corresponding to the relevant screen number are read out of the card 103 and sent to an image signal conversion part. Thus, a desired screen is shown of a screen 105.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an image display system for a presentation, and more particularly to an image display system and an image display method using image data stored in a memory in advance.

[0002]

2. Description of the Related Art Various overhead projector devices using a memory card have been conventionally proposed. For example, Japanese Patent Laying-Open No. 1-237592 discloses a data projector device that performs FM modulation on screen data stored in a memory card, transmits the data, receives the screen data, and displays the screen data on a liquid crystal display unit.

[0003]

However, in the conventional data projector device, only the screen data created in advance is presented in order, and the order of the display screen is changed, and various related information is displayed on an arbitrary screen. Cannot be displayed. For this reason, a flexible and effective presentation could not be provided.

Further, in the conventional apparatus, when a material other than the prepared material is requested, it is necessary to call up the data on a computer. As a result, not only was there a gap between presentations, but the process of retrieving the data on the computer was exposed to the eyes of the audience.

An object of the present invention is to provide a flexible image display system that can easily change a scenario of a presentation.

[0006]

According to the present invention, there is provided a system for displaying a presentation image, comprising: a recording medium for storing image data composed of at least one screen in a predetermined order; And image display means for generating and displaying the presentation image from the image data, connected to the image display means via a digital interface, transmitting control data to the image display means, and And data processing means for transmitting and receiving image data between them.

Since the reading of image data from the recording medium can be controlled by the data processing means,
Scenario changes such as jumping of the screen can be easily performed without being restricted by the order of storage in the recording medium. Further, since the data processing means and the image display means are connected by the digital interface, image data can be transmitted from the data processing means to the image display means, and images other than those stored in the recording medium can be presented. Can be displayed for use.

[0008]

FIG. 1 is a schematic block diagram showing an embodiment of an image display system according to the present invention. A monitor 100 is provided on a computer 100 such as a personal computer.
1 is connected, and the image display device 102 is further connected through a digital interface. The image display device 103 is provided with a card drive, and a memory card 103 in which image data is stored in advance can be detachably connected. The image display device 102 converts the image data stored in the memory card 103 into the computer 100 or converts the image data from the computer 100 into an analog RGB signal or a video signal under the control of the computer 100 and outputs the analog RGB signal or the video signal to the liquid crystal projector 104. The liquid crystal projector 104 generates a presentation screen 105 based on the received analog RGB signals and projects the screen 105 on the screen.

The presenter screen 106 of the monitor 101 shows an example of a user interface in the present system. The user interface of the present embodiment includes:
An explanation screen window 201 showing the current display screen (presentation screen 105), a corresponding explanation window 202, a sequence window 203 displaying a reduced screen of a series of screens located before and after the current display screen, and scrolling other sequence windows 203 Button and the like. Therefore, the presenter can simultaneously know the screen currently displayed on the screen, its description, and the screen that is being displayed and the screen that is to be displayed by simply looking at the screen of the monitor 101. Then, as will be described later, it is possible to jump to the desired screen regardless of the display order simply by clicking the desired screen of the sequence window 203 using a pointing device such as a mouse.

FIG. 2 is a schematic block diagram of a computer and an image display device according to the present embodiment. The computer 100 is provided with a CPU (not shown), and basic software (OS) operating on the CPU is installed. A presentation-dedicated application 301 in this embodiment and other necessary applications, and a dedicated driver 302 for controlling transmission and reception of image data and control data to and from the image display device 102 are incorporated in the basic software. Further, the computer 100 is provided with a digital port 303 and is electrically connected to the image display device 102 via a cable.

The image display device 102 includes a computer 1
Digital port 4 for connecting cable from 00
And a processor (CPU) 402 for controlling the entire operation of the image display apparatus 102. The processor 402 includes a ROM and a RAM (not shown), and executes image display control according to control data from the computer 100. The memory card 103 is processed by a processor 402 by a card interface 403.
And writing and reading of image data are performed under the control of the processor 402.

The memory card 103 stores image data of a plurality of screens, or text data or audio data as required, together with a predetermined display order. The image data of the screen selected by the computer 100 is transmitted to the memory card 40 by the processor 402.
3 is converted into a video signal or an analog RGB signal by the image signal conversion unit 404 and then transmitted to the liquid crystal projector 104. The computer 10
Image data and other data necessary to display the presenter screen 106 of the digital port 4
01 and transmitted to the computer 100 through the cable. The presentation-only application 301 of the computer 100 inputs the data and outputs the data to the monitor 1.
At 01, a presenter screen 106 is displayed.

Further, the image data generated by the computer 100 is transmitted to the digital port 3 together with the control data.
03 and transmitted to the image display apparatus 102 through the cable. If the received image data is to be displayed on the presentation screen 105, the processor 402 of the image display device 102 transfers the received image data to the image signal conversion unit 404. At the same time, the received image data can be stored in the memory card 103. The image signal conversion unit 404 converts the received image data into a video signal or an analog RGB signal and sends the video signal or the analog RGB signal to the liquid crystal projector 104.

Next, the operation of this embodiment will be described more specifically. First, writing of a screen to the memory card 103 is performed, for example, as follows. A screen created using a general-purpose application for presentation is displayed on the monitor 101 of the computer 100, and the screen is captured to generate general-purpose image data (BMP or JPEG).
After that, the image data is transferred to the image display device 102 through the digital interface together with the control data. The processor 402 of the image display device 102 includes:
The received image data is stored in the memory card 103 together with control data such as the display order. Thus, the memory card 103 stores a plurality of screen data for presentation.

It is possible to mount the memory card 103 storing the image data on the image display device 102 and reproduce the image data according to the original scenario. Scenarios can be easily changed.

When the presentation-only application 301 is started, the computer 100 transmits data for displaying the presenter screen 106 to the image display device 1.
Request to 02 Thereby, the processor 402 reads necessary screen data (here, the description screen 201 to be displayed, its description, and data of a plurality of screens before and after it) from the memory card 103, and
Send to As a result, the screen 106 shown in FIG.

When the presenter clicks a desired screen in the sequence window 203 with a mouse,
The screen number of the screen is sent to the image display device 102,
The processor 402 reads out the image data corresponding to the screen number from the memory card 103, and
04. Thus, a desired screen is displayed on the screen. At the same time, the processor 402 transmits data for displaying the presenter screen 106 to the computer 10.
0, whereby the presenter screen 106 on the monitor 101 is updated. Therefore, the presenter can sequentially display screens according to the scenario, and can easily specify a desired screen from the sequence window 203 and jump.

When it is necessary to display the relevant materials of the presentation (for example, a statistical table which is the basis of the numerical value of the presentation screen), the relevant material file is opened and displayed on the monitor 101, and the image is displayed. The data is transmitted to the image display device 102 together with the control data. Upon receiving the image data, the processor 402 transfers the image data to the image signal conversion unit 404, and the screen is displayed on the screen by the liquid crystal projector 104. If necessary, the image data can be stored in the memory card 103.

[Brief description of the drawings]

FIG. 1 is a schematic block diagram showing an embodiment of an image display system according to the present invention.

FIG. 2 is a schematic block diagram of a computer and an image display device according to the embodiment.

[Explanation of symbols]

 REFERENCE SIGNS LIST 100 computer 101 monitor 102 image display device 103 memory card 104 liquid crystal projector 105 presentation screen 106 presenter screen 201 description screen window 202 description window 203 sequence window 301 presentation-only application 302 dedicated driver 302 digital port 401 digital port 402 processor 403 card Interface 404 Image signal converter

Claims (7)

[Claims] 1. A system for displaying an image for presentation, comprising: a recording medium for storing image data composed of at least one screen in a predetermined order; detachably mounting the recording medium; Image display means for generating and displaying an image for presentation, connected to the image display means via a digital interface, transmitting control data to the image display means, and transmitting and receiving image data to and from the image display means An image display system comprising: a data processing unit that performs the following. 2. The image display system according to claim 1, wherein said data processing means controls reading of image data from said recording medium. 3. An image display system according to claim 1, wherein said data processing means has an input means and a display means, and further has a user interface for controlling display of said presentation image. 4. The user interface comprises: a first screen for displaying the same image as the presentation image; and a second screen for reducing and displaying a plurality of images in the order before and after the presentation image, 4. The image display system according to claim 3, wherein a desired one screen is selected from the plurality of images displayed on the second screen by the input unit. 5. The data processing means includes image generation means for generating desired image data, and transmits the desired image data to the image display means through the digital interface to display the desired image data as a presentation image. The image display system according to any one of claims 1 to 4, wherein: 6. A method for displaying an image for presentation, comprising: storing image data composed of at least one screen in a predetermined order in a memory card; and outputting the image for presentation from the image data to an image display device. A memory card is mounted, and a computer connected to the image display device via a digital interface controls readout of image data from the memory card and control of image data transmission / reception with the image display device. Image display method. 7. The computer according to claim 6, wherein the computer generates desired image data and transmits the desired image data to the image display device through the digital interface to display the desired image data as a presentation image. Image display method described.