JP3014938B2 - Electronic drawing transceiver - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an electronic drawing transmitting / receiving apparatus capable of electronically drawing an arbitrary image and transmitting / receiving the drawn image.

[0002]

2. Description of the Related Art In recent years, attention has been paid to multimedia, and various electronic organizers having various functions have been developed as devices related thereto and terminal devices thereof. When attempting to operate an electronic organizer having such various functions in accordance with the functions, the operation is complicated and complicated as the functions are advanced, and there is a difficulty in operability. Therefore, an electronic notebook for children with simplified operability has been proposed.
Some of such conventional electronic notebooks developed for children have a game function, and are accepted and used not only by junior high school students and high school students but also by elementary school students.

[0003]

However, the conventional electronic notebook developed for children is immersive and lacks interest. In addition, the lifestyle rhythm of modern children has also changed, and a new device that can provide busy children with new play, give satisfaction to the play, and has practicality has been desired. .

SUMMARY OF THE INVENTION The present invention has been made in view of the above problems, and has as its object to provide a novel and highly entertaining device which can provide satisfaction and interest in play and has practicality. I do.

[0005]

Means for Solving the Problems In order to achieve the above object, the first means provided by the present invention has the following requirements. That is, (a) an input pen for drawing an image such as a character, a figure, a picture, etc., an apparatus main body, and recording means detachably attached to the apparatus main body. (B) The apparatus main body has a detecting means for continuously detecting XY coordinates of an image drawn by the input pen. (C) The apparatus main body has signal conversion means for converting the continuously detected XY coordinates into digital signals. (D) The apparatus main body has first display data creating means for creating digital display data by processing a digital signal of an image drawn by the input pen. (E) The apparatus main body has a transmitting means for transmitting a digital signal of an image by infrared rays. (F) The apparatus body has a receiving means for receiving a digital signal of an image transmitted from the outside by infrared rays. (G) The apparatus main body includes a second display data creation unit that creates display data by processing the received digital signal of the image. (H) The recording means records image data such as characters, figures, and pictures. (I) The apparatus main body includes a third display data creating unit that reads image data from the recording unit and processes the read image data to create display data. (V) The apparatus main body includes a fourth display data creating unit that combines an image drawn by the input pen with an image read from the recording unit and creates display data of the combined image. thing. (G) The apparatus main body has display means for displaying an image based on the display data created by the first, second, third, or fourth display data creating means.

[0006] To achieve the above object, the second means provided by the present invention has the following requirements. That is, (a) an input pen for drawing an image such as a character, a figure, a picture, etc., an apparatus main body, and recording means detachably attached to the apparatus main body. (B) The apparatus main body has a detecting means for continuously detecting XY coordinates of an image drawn by the input pen. (C) The apparatus main body has signal conversion means for converting the continuously detected XY coordinates into digital signals. (D) The apparatus main body has first display data creating means for creating digital display data by processing a digital signal of an image drawn by the input pen. (E) The apparatus main body has a transmitting means for transmitting a digital signal of an image by infrared rays. (F) The apparatus body has a receiving means for receiving a digital signal of an image transmitted from the outside by infrared rays. (G) The apparatus main body includes a second display data creation unit that creates display data by processing the received digital signal of the image. (H) The recording means records animation image data indicating a series of operations with a plurality of images. (I) The apparatus body reads image data from the recording means, processes the read image data, sequentially displays a plurality of images, and creates display data for performing a series of operations. 3. It has display data creation means. (V) The apparatus main body includes a fourth display data creating unit that combines an image drawn by the input pen with an image read from the recording unit and creates display data of the combined image. thing. (G) The apparatus main body has display means for displaying an image based on the display data created by the first, second, third, or fourth display data creating means.

The third means provided by the present invention to achieve the above object has the following requirements. That is, (a) an input pen for drawing an image such as a character, a figure, a picture, etc., an apparatus main body, and recording means detachably attached to the apparatus main body. (B) The apparatus main body has a detecting means for continuously detecting XY coordinates of an image drawn by the input pen. (C) The apparatus main body has signal conversion means for converting the continuously detected XY coordinates into digital signals. (D) The apparatus main body has first display data creating means for creating digital display data by processing a digital signal of an image drawn by the input pen. (E) The apparatus main body has a transmitting means for transmitting a digital signal of an image by infrared rays. (F) The apparatus body has a receiving means for receiving a digital signal of an image transmitted from the outside by infrared rays. (G) The apparatus main body includes a second display data creation unit that creates display data by processing the received digital signal of the image. (H) The recording means records background image data. (I) The apparatus main body includes a third display data creating unit that reads image data from the recording unit and processes the read image data to create display data. (V) a fourth display data creation unit that combines the image drawn by the input pen with the background image read from the recording unit and creates display data of the combined image; To have. (F) The fourth display data creation means has a recording unit for recording display data of a plurality of screens, and stores each screen with a background image shifted in a certain direction and an image drawn by an input pen. To create a series of display data for sequentially displaying a plurality of images as if the images drawn by the input pen move by being synthesized. (Iii) The apparatus main body has a display unit that displays an image based on the display data created by the first, second, third, or fourth display data creation unit.

[0008]

A first means provided by the present invention is to continuously detect XY coordinates of an image drawn by an input pen and convert the continuously detected XY coordinates into a digital signal. To create display data. The digital signal of such an image can be transmitted by infrared rays and is displayed on a display unit. Also,
It has a receiving means for receiving a digital signal of an image transmitted from the outside by infrared rays, and processes and displays the digital signal of the received image. In this way, the image drawn by the input pen or the received image transmitted from the outside by infrared rays can be displayed on the display means, so that bidirectional image communication can be performed, thereby satisfying play. It is possible to realize a novel and highly interesting device that can give a sense and interest and has practicality.
The image processing apparatus further includes a recording unit that records image data such as pictures and characters, reads image data from the recording unit, processes the read image data, and creates and displays display data. In addition, the image processing device synthesizes an image drawn by the input pen and an image read from the recording unit, and creates and displays display data of the synthesized image. In this manner, the image read from the recording means, or a composite image of the image drawn by the input pen and the image read from the recording means can be displayed on the display means, so that the user can easily and creatively devise the image. You can draw images. As a result, it is possible to provide a new and highly interesting device that can give satisfaction and fun to the creation of an image and has practicality.

The second means provided by the present invention, when continuously detecting the XY coordinates of the image drawn by the input pen, converts the continuously detected XY coordinates into a digital signal, The digital signal is processed to create display data. The digital signal of such an image can be transmitted by infrared rays and is displayed on a display unit. The image processing apparatus further includes a receiving unit that receives a digital signal of an image transmitted from the outside by infrared rays, and processes and displays the received digital signal of the image. As described above, since the image drawn by the input pen or the received image transmitted from the outside by infrared rays can be displayed on the display unit, bidirectional image communication can be performed.
It is possible to provide a new highly entertaining device that can provide satisfaction and fun to play and also has practicality. The image processing apparatus further includes a recording unit that records animation image data indicating a series of operations in a plurality of images, reads image data from the recording unit, processes the read image data, and sequentially displays a plurality of images. To generate and display display data for performing a series of operations.
In addition, the image processing device synthesizes an image drawn by the input pen and an image read from the recording unit, and creates and displays display data of the synthesized image. As described above, since an animation image indicating a series of operations read from the recording unit can be displayed, an animation indicating the series of operations can be displayed like a plurality of frames of a cartoon movie.

A third means provided by the present invention, when continuously detecting XY coordinates of an image drawn by an input pen, converts the continuously detected XY coordinates into a digital signal, and The digital signal is processed to create display data. The digital signal of such an image can be transmitted by infrared rays and is displayed on a display unit. The image processing apparatus further includes a receiving unit that receives a digital signal of an image transmitted from the outside by infrared rays, and processes and displays the received digital signal of the image. As described above, since the image drawn by the input pen or the received image transmitted from the outside by infrared rays can be displayed on the display unit, bidirectional image communication can be performed.
It is possible to provide a new highly entertaining device that can provide satisfaction and fun to play and also has practicality. The image processing apparatus further includes a recording unit that records background image data, reads image data from the recording unit, processes the read image data, creates display data, and displays the display data. In addition, the image processing device synthesizes an image drawn by the input pen and an image read from the recording unit, and creates and displays display data of the synthesized image. At this time, each screen in which the background image is shifted in a certain direction and the image drawn by the input pen are synthesized, and a plurality of images are sequentially displayed as if the image drawn by the input pen moves. Therefore, for example, a series of screens can be displayed like a plurality of frames of a cartoon movie as if an image drawn by an input pen of a car or the like moves.

[0011]

An embodiment according to the present invention will be described below with reference to the drawings. First, the configuration of an electronic drawing transmission / reception device according to the present invention will be described with reference to FIGS. The electronic drawing transmission / reception device according to the present invention has a device main body 1 and an input pen 3. The input pen 3 is formed in the shape of a pencil or a ballpoint pen, and is used for drawing images such as characters, figures, and pictures.
A ROM detachably mounted to the apparatus main body 1;
It has a cassette 5 and a ROM cassette 7 which is detachably attached to the ROM cassette 5. These R
The OM cassettes 5 and 7 are recording means detachably mounted on the apparatus main body 1, and include image data and software programs such as characters, figures, pictures, comic data, animation data, and various parts data for character montage. Is recorded.

The main body 1 of the electronic drawing transmitting / receiving apparatus has a touch panel 11 and a microcomputer 13. The touch panel 11 is a pressure-sensitive resistance-type analog coordinate sensor, and is a detection unit that continuously detects XY coordinates of an image drawn by the input pen 3. The microcomputer 13 performs overall control processing, and performs A / D
It has a converter 15, a CPU 17, a serial interface 19, a ROM 21, and a RAM 23. A /
The D converter 15 is a signal conversion unit that is connected to the touch panel 11, receives a signal from the touch panel 11, and converts an analog signal of XY coordinates of a continuously detected image into a digital signal. Various software programs are recorded in the ROM 21, and data processed by the CPU 17 is recorded in the RAM 23. CPU 17 is RO
It executes various control processes based on various software programs recorded in M21 and centrally controls digital data.

The microcomputer 13 is connected to an infrared light receiving / emitting circuit 25 and to a control circuit 27. The control circuit 27 is connected to the RAM 29 and is connected to the L
It is connected to the CD display 33. The CPU 17, the control circuit 27, and the RAM 29 form a first display data creating unit, and process digital signals of an image drawn by the input pen 3 to create display data. The infrared light receiving and emitting circuit 25 is formed of a light receiving element that receives infrared light, a light emitting element that emits infrared light, and peripheral circuits thereof, and is provided on an appropriate side surface of the electronic drawing transmitting / receiving apparatus.
The infrared light receiving / emitting circuit 25 includes a transmitting unit that transmits a digital signal of an image using infrared rays, and a receiving unit that receives a digital signal of an image transmitted from outside using infrared rays.

CPU 17, control circuit 27, and RA
M29 forms a second display data creating means, and processes the digital signal of the image received by the infrared light receiving and emitting circuit 25 to create display data. Also, CPU
A third display for reading image data from the ROM cassette 5 or the ROM cassette 7 as the recording means by the control unit 17, the control circuit 27, and the RAM 29, and processing the read image data to generate display data. Construct data creation means. Further, the CPU 17, the control circuit 27, and the RAM 29 combine the image drawn by the input pen 3 with the image read from the ROM cassette 5 or the ROM cassette 7 to create display data of the combined image. It constitutes a fourth display data creation means. The RAM 29 temporarily stores the display data created by the CPU 17 and the control circuit 27. The display data created by the CPU 17 and the control circuit 27 is output to the LCD display 33 via the LCD drive circuit 31. This LCD display 33
Is display means for displaying an image based on the display data.

Next, the operation according to the present invention will be described with reference to FIGS. When the power is turned on, an "opening screen" is displayed for a predetermined time, for example, two seconds, and then a "contents screen" is displayed. In this "table of contents", you can select "sketch" or "puzzle".
Then, you can select a page that is a screen on which to draw a picture.

First, the operation for drawing will be described. When an arbitrary page (sketches 1 to 6) which is a screen for drawing a picture with the input pen 3 is selected, as shown in FIG.
A plurality of menu buttons 51 are displayed on the upper side of the screen.
When the menu button [B] is selected from the plurality of menu buttons 51 using the input pen 3, various tools and functions for drawing a picture as shown in FIG. 3 are displayed in the form of icons. When the icon 52 is selected, a thick line can be drawn, and when the icon 53 is selected, a thin line can be drawn. When the icon 54 is selected, a large area can be erased with a large eraser, and when the icon 55 is selected, a small portion can be erased with a small eraser. When the icon 56 is selected, the entire screen can be inverted between black and white, and when the icon 57 is selected, the entire screen can be erased. Further, when the icon 58 is selected, the image drawn on the previous page can be copied, and when the icon 59 is selected, it is possible to return to the state before one stroke.

When a menu button [C] is selected from a plurality of menu buttons 51 using the input pen 3, twelve types of pattern stamps 61 and character stamps 62 are displayed as shown in FIG. By selecting an arbitrary stamp from the plurality of picture stamps 61 and character stamps 62 using the input pen 3, it is possible to draw using the corresponding stamp. For example, when the character stamp 62 is selected, a list of a plurality of characters and numbers is displayed, and any character or number can be selected from the list and used for drawing.

FIG. 5 shows an example of the drawn image.
Using various tools shown in Fig. 4 and various stamps shown in Fig. 4,
You can easily draw images while using your ingenuity.

Next, the operation when "puzzle" is selected on the "contents screen" will be described. As described above, for example, an image of an arbitrary character as shown in FIG. 6 is drawn using various tools and various stamps, and a puzzle screen is displayed. After that, if you select the “Puzzle” icon 71,
The puzzle screen is divided into nine small screens, that is, eight tile screens 72 and one box screen 73, and each tile screen 72 is displayed at a random position as shown in FIG. Here, by selecting the tile screen 72 located next to the box screen 73 using the input pen 3, the tile screen can be moved by exchanging the positions of the tile screen 72 and the box screen 73. . Similarly, the desired tile screen is sequentially moved back to the original position to complete the original puzzle screen.

Next, the operation when communication is performed will be described.
First, the infrared receiving / emitting circuit 2 of the two electronic drawing transmitting / receiving devices
5 are arranged to face each other. When the menu button [E] is selected from the plurality of menu buttons 51 using the input pen 3, the image transmission / reception mode is set. When one electronic drawing transmitting / receiving apparatus selects the send button icon and the other electronic drawing transmitting / receiving apparatus selects the receive button icon, an image is transmitted from one electronic drawing transmitting / receiving apparatus to the other electronic drawing transmitting / receiving apparatus. . FIG. 8 shows a screen on the transmitting side, and FIG. 9 shows an image on the receiving side. The transmission of the image is completed in about 15 seconds.
In this case, since images including characters and the like can be transmitted, communication can be achieved.

Next, the operation when the ROM cassette 5 is mounted on the apparatus main body 1 will be described. When the ROM cassette 5 is mounted on the apparatus main body 1, the "title screen" of the ROM cassette 5 is displayed after the "opening screen". In this “title screen”, when the menu button “D” is selected from the plurality of menu buttons 51 using the input pen 3, icons for a background stamp, an animation, and a character stamp are displayed. When the icon for the background stamp is selected using the input pen 3, the image data of the background is read from the ROM cassette 5 and displayed on the LCD display 33. Similarly, when an animation icon is selected, the image data of the animation is read from the ROM cassette 5, and
It is displayed on the display 33. The image data of this animation is composed of a plurality of images, and each image is sequentially displayed, so that the character is presented as if the character performs a series of actions like a few comics. When an icon for a character stamp is selected, image data for the character stamp is read from the ROM cassette 5 and displayed on the LCD display 33. In addition, the image drawn using the input pen 3 and the image read from the ROM cassette 5 are combined, and the combined image can be displayed on the LCD display 33. In this case, the fourth display data creating means has a recording unit for recording display data of a plurality of screens, and each screen whose background image is shifted in a certain direction, an image drawn by an input pen, And a plurality of images can be sequentially displayed as if the image drawn by the input pen moves.

Next, when the ROM cassette 5 is mounted on the apparatus main body 1 and the ROM cassette 7 is mounted on the ROM cassette 5, the processing proceeds based on the software program of the ROM cassette 5, and Are sequentially read out. In this case, the ROM cassette 7
The image read from the ROM cassette 7 can be displayed on the LCD display 33. The image read from the ROM cassette 7 and the image drawn using the input pen 3 are combined, and the combined image Can be displayed on the LCD display 33.

[0023]

As described above, according to the first aspect of the present invention, the X of the image drawn by the input pen is obtained.
When the Y coordinate is continuously detected, the continuously detected XY coordinate is converted into a digital signal, and the digital signal is processed to create display data. Digital signals of such images can be transmitted by infrared,
It is displayed on the display means. The image processing apparatus further includes a receiving unit that receives a digital signal of an image transmitted from the outside by infrared rays, and processes and displays the received digital signal of the image. In this way, the image drawn by the input pen or the received image transmitted from the outside by infrared rays can be displayed on the display means, so that bidirectional image communication can be performed, thereby satisfying play. It is possible to obtain a novel and highly interesting device that can provide a sense of interest and fun and has practicality. The image processing apparatus further includes a recording unit that records image data such as pictures and characters, reads image data from the recording unit, processes the read image data, and creates and displays display data. In addition, the image drawn by the input pen and the image read from the recording unit are synthesized, and display data of the synthesized image can be created and displayed. In this manner, the image read from the recording means, or a composite image of the image drawn by the input pen and the image read from the recording means can be displayed on the display means, so that the user can easily and creatively devise the image. You can draw images. As a result, it is possible to provide a new and highly interesting electronic drawing transmitting and receiving apparatus which can provide satisfaction and interest in the creation of an image and has practicality.

As described above, the second embodiment according to the present invention
According to the means, the XY of the image drawn by the input pen
When coordinates are continuously detected, the continuously detected X
The Y coordinate is converted into a digital signal, and the digital signal is processed to create display data. The digital signal of such an image can be transmitted by infrared rays and is displayed on a display unit. Further, it has a receiving means for receiving a digital signal of an image transmitted from outside by infrared rays,
The digital signal of the received image is processed and displayed. In this way, the image drawn by the input pen or the received image transmitted from the outside by infrared rays can be displayed on the display means, so that bidirectional image communication can be performed, thereby satisfying play. There is an effect that it is possible to realize a novel and highly interesting device which can give a feeling and interest and has practicality. Also,
A recording unit that records animation image data indicating a series of operations in a plurality of images; reads image data from the recording unit; processes the read image data to sequentially display a plurality of images; Display data for performing the above operation is created and displayed. In addition, the image processing device synthesizes an image drawn by the input pen and an image read from the recording unit, and creates and displays display data of the synthesized image. As described above, since an animation image indicating a series of operations read from the recording unit can be displayed, the animation indicating the series of operations can be displayed like a cartoon movie of a plurality of frames. .

As described above, the third embodiment according to the present invention
According to the means, the XY of the image drawn by the input pen
When coordinates are continuously detected, the continuously detected X
The Y coordinate is converted into a digital signal, and the digital signal is processed to create display data. The digital signal of such an image can be transmitted by infrared rays and is displayed on a display unit. Further, it has a receiving means for receiving a digital signal of an image transmitted from outside by infrared rays,
The digital signal of the received image is processed and displayed. In this way, the image drawn by the input pen or the received image transmitted from the outside by infrared rays can be displayed on the display means, so that bidirectional image communication can be performed, thereby satisfying play. There is an effect that it is possible to realize a novel and highly interesting device which can give a feeling and interest and has practicality. Also,
It has recording means for recording background image data, reads image data from the recording means, processes the read image data to create and display display data. Also,
An image drawn by the input pen and an image read from the recording unit are synthesized, and display data of the synthesized image is created and displayed. At this time, each screen in which the background image is shifted in a certain direction and the image drawn by the input pen are synthesized, and a plurality of images are sequentially displayed as if the image drawn by the input pen moves. So
For example, there is an effect that a series of screens can be displayed like a cartoon movie of a plurality of frames as if an image drawn by an input pen of a car or the like moves.

[Brief description of the drawings]

FIG. 1 is a circuit diagram of an embodiment according to the present invention.

FIG. 2 is an external view of an embodiment according to the present invention.

FIG. 3 is an explanatory diagram showing a display example of icons of various tools and functions for drawing a picture.

FIG. 4 is an explanatory diagram showing a display example of icons of a picture stamp and a character stamp.

FIG. 5 is an explanatory diagram showing an example of a drawn image.

FIG. 6 is an explanatory diagram showing an example of a puzzle screen.

FIG. 7 is an explanatory diagram showing an example of a tile screen.

FIG. 8 is an explanatory diagram showing an example of a screen on the transmission side during image transmission.

FIG. 9 is an explanatory diagram showing an example of a screen on the receiving side during image transmission.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Device main body 3 Input pen 5 ROM cassette 7 ROM cassette 11 Touch panel 13 Microcomputer 15 A / D converter 17 CPU 25 Infrared light receiving / emitting circuit 27 Control circuit 33 LCD display

Claims (3)

(57) [Claims] 1. An electronic drawing transmitting / receiving apparatus characterized by having the following requirements. (A) An input pen for drawing images such as characters, figures, and pictures, an apparatus main body, and recording means detachably attached to the apparatus main body. (B) The apparatus main body has a detecting means for continuously detecting XY coordinates of an image drawn by the input pen. (C) The apparatus main body has signal conversion means for converting the continuously detected XY coordinates into digital signals. (D) The apparatus main body has first display data creating means for creating digital display data by processing a digital signal of an image drawn by the input pen. (E) The apparatus main body has a transmitting means for transmitting a digital signal of an image by infrared rays. (F) The apparatus body has a receiving means for receiving a digital signal of an image transmitted from the outside by infrared rays. (G) The apparatus main body includes a second display data creation unit that creates display data by processing the received digital signal of the image. (H) The recording means records image data such as characters, figures, and pictures. (I) The apparatus main body includes a third display data creating unit that reads image data from the recording unit and processes the read image data to create display data. (V) The apparatus main body includes a fourth display data creating unit that combines an image drawn by the input pen with an image read from the recording unit and creates display data of the combined image. thing. (G) The apparatus main body has display means for displaying an image based on the display data created by the first, second, third, or fourth display data creating means. 2. An electronic drawing transmitting / receiving apparatus characterized by having the following requirements. (A) An input pen for drawing images such as characters, figures, and pictures, an apparatus main body, and recording means detachably attached to the apparatus main body. (B) The apparatus main body has a detecting means for continuously detecting XY coordinates of an image drawn by the input pen. (C) The apparatus main body has signal conversion means for converting the continuously detected XY coordinates into digital signals. (D) The apparatus main body has first display data creating means for creating digital display data by processing a digital signal of an image drawn by the input pen. (E) The apparatus main body has a transmitting means for transmitting a digital signal of an image by infrared rays. (F) The apparatus body has a receiving means for receiving a digital signal of an image transmitted from the outside by infrared rays. (G) The apparatus main body includes a second display data creation unit that creates display data by processing the received digital signal of the image. (H) The recording means records animation image data indicating a series of operations with a plurality of images. (I) The apparatus body reads image data from the recording means, processes the read image data, sequentially displays a plurality of images, and creates display data for performing a series of operations. 3. It has display data creation means. (V) The apparatus main body includes a fourth display data creating unit that combines an image drawn by the input pen with an image read from the recording unit and creates display data of the combined image. thing. (G) The apparatus main body has display means for displaying an image based on the display data created by the first, second, third, or fourth display data creating means. 3. An electronic drawing transmitting / receiving apparatus characterized by having the following requirements. (A) An input pen for drawing images such as characters, figures, and pictures, an apparatus main body, and recording means detachably attached to the apparatus main body. (B) The apparatus main body has a detecting means for continuously detecting XY coordinates of an image drawn by the input pen. (C) The apparatus main body has signal conversion means for converting the continuously detected XY coordinates into digital signals. (D) The apparatus main body has first display data creating means for creating digital display data by processing a digital signal of an image drawn by the input pen. (E) The apparatus main body has a transmitting means for transmitting a digital signal of an image by infrared rays. (F) The apparatus body has a receiving means for receiving a digital signal of an image transmitted from the outside by infrared rays. (G) The apparatus main body includes a second display data creation unit that creates display data by processing the received digital signal of the image. (H) The recording means records background image data. (I) The apparatus main body includes a third display data creating unit that reads image data from the recording unit and processes the read image data to create display data. (V) a fourth display data creation unit that combines the image drawn by the input pen with the background image read from the recording unit and creates display data of the combined image; To have. (F) The fourth display data creation means has a recording unit for recording display data of a plurality of screens, and stores each screen with a background image shifted in a certain direction and an image drawn by an input pen. To create a series of display data for sequentially displaying a plurality of images as if the images drawn by the input pen move by being synthesized. (V) The apparatus body has a display unit for displaying an image based on the display data created by the first, second, third, or fourth display data creation unit.