JPS6394776A - Picture display system - Google Patents

Abstract

PURPOSE:To facilitate presentation by plural patterns by providing an advancing means displaying picture information according to the sequence of display. CONSTITUTION:The titled system consists of a laser card 1 being a card medium, a picture writer 2 writing the sequence of display and picture information onto the laser card 1 and a picture display device 3 receiving the laser card 1 and displaying the picture information and an original 4 of the picture information stored on the laser card 1 is inserted to a picture writer 2. In this case, an advance command section 21 and a tenkeys 22 have a function setting a display pattern at the setting of the display mode. Thus, picture information of plural patterns is recorded on one card medium and the switching of the displayed pattern is simplified by the advancing means.

Description

DETAILED DESCRIPTION OF THE INVENTION (a) Field of Industrial Application This invention relates to an image display system that arbitrarily displays image information on a plurality of screens.

(b) Overview of the Invention An image display system according to the present invention includes a card medium that stores image information on a plurality of screens and the display order thereof, and a display device that displays the image information stored on the card medium in accordance with the display order. This makes it possible to display image information on multiple screens with one card.

(C1 Conventional technology) Conventionally, an OHP (OHP) or a slide projector has been used as a device for displaying images for explanations, etc. The original used for such devices is a single screen of image information. One sheet of manuscript or slide film was required per session.

(d) Problems to be Solved by the Invention Therefore, in such an apparatus, (1) sheet originals and slide films must be stored in the order in which they are displayed;

■It takes a lot of time to insert a sheet original or slide fill 1) into a projector or projector, and if it is placed in the wrong direction, it will not be displayed correctly.

■Storing and transporting manuscripts and slides is expensive.

■Cannot be displayed unless the room is darkened.

There were problems such as.

The present invention has been made in view of these conventional problems, and it is an object of the present invention to provide an image display system that can store a plurality of image information on a card medium and display them sequentially.

(e) Means for Solving the Problems This invention provides a card medium having an image information storage unit that stores image information of a plurality of screens and a display order storage unit that stores the display order of the image information of these multiple screens; The present invention is characterized in that it is a display device that accepts the card medium and displays image information, and includes a display device that has stepping means that displays the image information in accordance with the display order.

(f1 Effect) In the image display system of the present invention, the user inserts a card medium storing image information and display order into the display device.

The display device reads the display order of image information from the card medium. Based on this display order, image information is read out from the card medium and displayed.

(gl Embodiment) An image display system that is an embodiment of the present invention will be described below with reference to the drawings. This embodiment is an image display system that uses a write-once laser card as a card medium.

FIG. 1 is a system configuration diagram. This system uses a laser card as a card medium. It consists of an image writing device 2 that writes image information and its display order onto the laser card, and an image display device 3 that receives the laser card 1 and displays the image information. Further, the original document 4 with image information stored in the printer F' 1 is inserted into the image writing device 2 .

FIG. 2 is a schematic diagram of a storage section formed on the surface of the laser card 1. As shown in FIG. The storage section consists of more than 2000 recording lines (tracks), of which the first column is assigned as a directory section 5, and the following <2000 columns are assigned as a data section 7. Each track is approximately 10K
It has a storage capacity of 1.2 bits. 100 in data section 7
The image information on the screen is recorded, and the
The display order of the 00 screens is recorded.

Image information for one screen is recorded on 20 consecutive tracks (hereinafter referred to as "track group"). That is, 200
Image information for one screen is recorded in Kbit. In the data section 7, 100 track groups corresponding to 100 screens are set. At the beginning of each track in the data section 7, the trunk group number Tn (n=1 to 100) of the trunk and the trunk number m (1 to 20) within each track group are recorded as image information access data. There is.

The directory section 5 records the display order of the screens recorded in each l-rank group T1 to T100. FIG. 3 shows details of this directory section 5. The directory section 5 consists of one trunk (10 Kbit) as described above. This trunk is divided into 100 areas, and each divided area is a display order storage area for each screen. A track group number is recorded in the display order storage area of each screen, and is further divided into IO additional recording areas. Each additional recording area records the display order of the screens recorded in that trunk group, and each time the display order is changed, the changed display order is recorded in an empty additional recording area. As a result, the display order can be changed nine times (the display order can be set ten times) for each screen.

FIG. 4 is a block diagram of the image writing device 2. As shown in FIG. The CPU 14, which is a control device, includes an image scanner 10. Mode setting section 1). Numeric keypad 12. Image memory 15. Directory memory 16. A ride read memory 17 and a laser card reader/writer 18 are connected. As the image scanner 10, a reading device similar to an image reading section of a facsimile or a copying machine is used. The mode setting section 1) is an input section for setting operating modes such as new recording, which is the first use of the laser card, correction of the display order of recorded screens, and addition of one screen. The numeric keypad 12 is used to input the display order and the like. The image memory 15 is a memory for temporarily storing image information read by the image scanner 10. The directory memory 16 temporarily stores data read from the directory section 5 of the laser card 1, and also displays the display order of image information (screens) newly recorded on the laser card and the display of image information (screens) that have already been recorded. This is a memory for storing the order change input and writing it in the directory section 5 of the laser card I.

The read/write memory 17 is a read/write function. Since reading and writing of the laser card 1 is performed for each track, the laser card 1 has a storage capacity for one track. The laser card reader/like 18 consists of an optical system having a semiconductor laser and a drive system for the optical system, and is a device for reading and writing by scanning tracks on the surface of a laser card.

FIG. 5 is a block diagram of the image display device 3. As shown in FIG. A mode setting unit 20 is connected to the CPU 29 which is a control unit via a lotus.
One-step advance command input section 21. Numeric keypad 22, laser card reader 23. Read memory 24, directory memory 25
9 display order memory 26, video memory 27 and CRT
21 is connected. This device can not only display image information recorded on the laser card 1 but also change the display order. The mode setting section is an input section that can set the display mode or display order change mode, and when the display order change mode is set, the numeric keypad 2
The display order can be changed by inputting the trunk group number and new display order from 2. Further, when setting the display mode, the step command section 21 and the numeric keypad 22 have the function of setting the display screen. The step command unit 21 has "forward", "reverse" keys, and an end key, and when the "normal" key is pressed, the screen with the next display order is displayed, and when the "reverse" key is pressed, the screen with the next display order is displayed. Display the screen in the previous display order. When the end key is pressed, the display is ended and the card is returned. 1-100 with Tea Key 22
When a number is input, a screen with a display order corresponding to the input number is displayed.

FIG. 6 is a flowchart showing the operation of the control section of the image writing device 2. As shown in FIG. Step nl (hereinafter Step 2 Pni)
is called n+. ), the laser card 1 is inserted into the laser card reader/writer 8, and a mode is selected by the mode setting section 1) (n2).

When the new input mode is selected at n2, the process proceeds to the operations from n3 onwards. At n3, the original inserted into the image scanner 0 is read and stored in the image memory 5. Write this image information into the empty trunk group of the laser card (n4
). This writing process is performed by transferring image information for one trunk to the read/write memory 17 and driving the optical system of the reach card reader/writer 8 to a predetermined trunk. Next, the display order of the written screens (image information) is stored in the directory memory 16 (n5). This directory may accept input from the numeric keypad 12, or may be set sequentially starting from ■. At n6, it is determined whether or not the document to be recorded has been completed, and if so, the contents of the directory memory are written into the directory section 5 of the laser card 1, (n7) the cart is ejected, and (n8) the operation is completed. If the manuscript is not finished, repeat the operations from n3 onwards.

On the other hand, if the addition mode is selected at n2, the addition position (display order of the screen to be displayed immediately before this screen) is input, and then the process advances to n3.

Further, when the directory correction mode is selected at n2, the corrected display order is input at nlo and the process proceeds to n7, where the directory is written in the directory section 5 of the laser card 1 at n7.

FIG. 7 is a flowchart showing the screen display operation of the image display device 3. This operation starts when the display mode is selected, and when the laser card 1 is inserted into the laser card reader 23, the directory section 5 of the laser card 1 is first read (n12) and written in the directory memory 25. . Next, based on this directory (display order), the image information to be displayed first is read from the data section 7 of the laser card 1 (n13), and the CR
Display on T28 (n14). Continue displaying and wait at ni5 until the next key is available. If there is key power, the input key is determined at n16.

When the "Forward" key or "Reverse" key is pressed, the next screen or the previous screen is read from the data section 7 of the laser cart 1, and then returns to n14, and the screen number (display order) is changed using the numeric keypad 22. If it is input, after searching and reading the screen from the corresponding data section 7 (n19) n
Return to 14.

When the end key is pressed, the display on the CRT 28 is ended (n20), the card is returned (n21), and the operation is completed.

The step command section 21. Numeric keypad 22 and n15-n1
8 corresponds to the stepping means of this invention.

In this embodiment, a key is provided in the stepping means, but a timer may be provided so that the screen is automatically switched every three predetermined times.

(h) Effects of the Invention According to the present invention, image information of a plurality of screens can be recorded on a single card medium, and the switching of the displayed screen can be easily performed by the stepping means. This makes not only the display operation but also the transportation and storage of the medium (original) extremely easy, and there is no possibility of operating errors such as displaying the back screen.

Furthermore, since the screen is displayed on a CRT, it can be viewed even in a bright place.

This facilitates presentation using multiple screens, facilitates visual explanation, and expands the uses of card media such as laser cards.

[Brief explanation of the drawing]

FIG. 1 is a diagram showing the system configuration of an image display system according to an embodiment of the present invention, FIG. 2 is a schematic configuration diagram of a recording section of a laser card used in the image display system, and FIG. A diagram showing details of the directory section to be set, FIG. 4 is a flat diagram of an image writing device used in the image display system, and FIG. 5 is a block diagram of the image display device used in the image display system. , FIG. 6 is a flowchart showing the operation of the image writing device, and FIG. 7 is a flowchart showing the image information displaying operation of the image display device. 2-Laser cart, 3-Image display device, 5-Directory section, 7-Image data storage area, 21-Step command section.

Claims (2)

[Claims] (1) A card medium having an image information storage section that stores image information of multiple screens and a display order storage section that stores the display order of the image information of these multiple screens, and a display that accepts this card medium and displays the image information. An image display system comprising: a display device having a stepping means for displaying image information according to the display order. (2) The image display system according to claim 1, wherein the card medium is a laser card.