JPH0716238U - Screen display device for electronic books - Google Patents

Abstract

(57) [Abstract] [Purpose] Providing a screen display device such as an electronic book that can enlarge / reduce a screen in which characters and images are mixed [Configuration] The display screen is divided vertically and horizontally to form a large number of cells. A unique number is assigned to each cell on the cell screen, and the cell unique number occupied by each frame is stored in the storage medium as frame configuration information. Normally, a screen is formed by combining multiple frames, but it is also possible to enlarge each frame to fill the screen by key operation. [Effect] It is possible to zoom in / out on a frame-by-frame basis even for images in which image images and text images are mixed.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a screen display device such as an electronic book for recording books in which sentences and pictures are mixed in a storage medium such as an IC card.

[0002]

[Prior art]

 For image enlargement / reduction, specify the part you want to enlarge and plot each coordinate on the screen by proportional calculation. For text images, a specified format is selected to display a character group of a predetermined size. On the window display screen, an enlarged or reduced image or text screen can be displayed within each window, but a single screen in which image and text information are mixed cannot be enlarged or reduced. Therefore, in addition to the standard size screen, the screen information that has been enlarged or reduced in advance is stored in the storage medium and is recalled to the display screen as needed. In the electronic book, the image information for each display screen (which becomes the display page) is stored in the storage medium, and the reader calls each display screen to turn pages in order.

[0003]

[Problems to be solved by the device]

 The image enlargement / reduction function is not suitable for low-priced electronic books. The method of storing a large number of image information that has been reduced or expanded in advance in a storage medium is not suitable in terms of the capacity of the storage medium of the electronic book. A book such as a comic book has a unit page composed of multiple frames. The present invention intends to obtain an enlarged / reduced screen of the frame by appropriately changing the occupied area on the display screen of the frame.

[0004]

[Means for Solving the Problems]

 The display screen is divided vertically and horizontally into a large number of rectangular cells of the same shape, and the virtual screen, which is a collection of these rectangular cells, is defined as cell screen 1, and an address is assigned to each rectangular cell of cell screen 1. Unit screen information is stored in a storage medium in advance, a plurality of frames to be enlarged or reduced are allocated to a frame screen 2 in which a plurality of these frames are displayed, and the frame allocation information for each display page is used as cell management information in the storage medium. Store continuously in. Place the frame advance key on the keyboard of the e-book to enlarge and display only one frame on the frame screen 2.

[0005]

[Action]

 When the next page key is pressed, the data start address of the next page is searched and the frame composition information as shown in FIG. 2 is called from the cell management information. Based on this screen control information, the five frames up to are laid out on the frame screen 2 in FIG. The frame occupies the area of cell 0, cell 1, cell 4, and cell 5, which corresponds to 0 in the frame configuration information in FIG. Image information of the frame is displayed within this area. The image information of the frame is displayed in cells 2 and 3. A desired page can be displayed on the frame screen 2 by operating the page designating key. If the frame advance key is pressed while the frames (1) to (3) are displayed on the frame screen 2, the frames are displayed on the full screen of the frame screen 2. When you press the frame advance key, the frame is displayed in full screen.

[0006]

【Example】

 The display screen is divided vertically and horizontally into a number of cells of the same shape, and the virtual screen, which is a collection of these cells, is called cell screen 1. In the cell screen 1 of FIG. 1, the cell is divided into 16 cells, and a unique number (address) is assigned to each cell. When the cell number is specified, the image information is displayed in the occupied area. By specifying multiple cells, a single image (called a frame) is displayed over the entire area of multiple cells. You can increase the number of designated cells to enlarge the frame. FIG. 1 shows a frame screen 2 which forms one page from frames. The coma occupies cell 0, cell 1, cell 4 and cell 5, and the coma occupies cell F and cell E. As shown in FIG. 2, this frame configuration information is rearranged as frame numbers corresponding to the cell code sequence group and stored at a predetermined data start address of the storage medium. For example, for the information of data start address 11 FF0000, frame configuration information 002003311331144, in the sector of display page 0001, for the image information of 0001 page (frame to frame), the head data is stored at address 0000 of the 11FF segment, and each frame to Is translated and displayed as shown in Figure 2 in Figure 1. This frame configuration information corresponding to the display page is sequentially stored in the storage medium. The frame composition information of each page is also searched by the page designation key, but normally it is searched in order by the next page key and the next page is displayed in order on the screen. Whereas conventional electronic books store image information in page units, the present invention stores each frame in the storage medium as unit image information. The image information density of each frame should be such that one frame can fully confirm even when the entire display screen is occupied. Image information and text information can be mixed in this frame. Arrange a frame advance key to display each frame on the screen of the electronic book. By this key operation, each frame ~ is enlarged and displayed in order.

An IC card or a floppy is adopted as a storage medium of the electronic book, and image information and frame configuration information of each frame are stored. Frame information that has been enlarged or reduced in advance becomes unnecessary, and the burden on the storage capacity is extremely small. Further, if a moving key is provided on the frame screen 2 of FIG. 1 to move the frame to the cell position of the frame or the like, the frame is enlarged by this key operation.

[0008]

[Effect of device]

 In short, the present invention divides the display screen vertically and horizontally to form a large number of cells, assigns a unique number to each cell of the cell screen 1, and assigns a plurality of frames to the frame screen 2 for enlargement or reduction. This frame allocation information for each display page is continuously stored in the storage medium as cell management information, and the image information for each frame is stored in the same storage medium. Can be enlarged or reduced. The burden on the capacity of the storage medium is reduced, and the cost does not rise.

[Brief description of drawings]

FIG. 1 is an explanatory diagram of a cell screen and a frame screen.

FIG. 2 is an explanatory diagram of frame composition information.

[Explanation of symbols]

 1 cell screen 2 frame screen

Claims (3)

[Scope of utility model registration request] 1. A display screen is divided vertically and horizontally to form a large number of cells, each cell of this cell screen 1 is assigned a unique number, and a plurality of frames to be enlarged or reduced are assigned to a frame screen 2 for display. A screen display device such as an electronic book in which the frame allocation information for each page is continuously stored in a storage medium as cell management information, and the image information for each frame is stored in the same storage medium. 2. The screen display device for an electronic book or the like according to claim 1, wherein the frame screen 2 can be displayed even if at least one frame has the amount of information of each frame. 3. A display screen is vertically and horizontally divided into a plurality of rectangular cells of the same shape, a virtual screen which is a collection of the rectangular cells is defined as a cell screen 1, and an address is assigned to each rectangular cell of the cell screen 1. Unit screen information for one frame is stored in advance in a storage medium, a plurality of frames to be enlarged or reduced are assigned to a frame screen 2 in which a plurality of these frames are displayed, and cell management of this frame assignment information for each display page is performed. A screen display device such as an electronic book that can be continuously stored in a storage medium as information and can enlarge and display only one frame on the frame screen 2 as needed.