JPH0289096A - Information display device - Google Patents

Abstract

PURPOSE:To improve the operability and to efficiently display data by providing a processing part with a function which divides a display part to plural display areas to display data and scrolls display data displayed on each display area in a peculiar direction. CONSTITUTION:A header word displayed on a first display area za of a liquid crystal display device (LCD) 2 can be independently scrolled right and left by operating a right cursor key 10a and a left cursor key 10b. The meaning of the header word displayed on a second display area 2b can be independently scrolled upward and downward by operating an up cursor key 10d and a down cursor key 10c. Consequently, the header word and the meaning can be scrolled in directions peculiar to the first display area 2a and the second display area 2b by the operation of a cursor key group 10, and a part beyond the display capacity of the LCD 2 is easily displayed. Thus, the operability is improved, and data is efficiently displayed.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an information display device that has a display section for displaying information and is capable of scrolling the information displayed on the display section.

[Conventional technology]

2. Description of the Related Art Conventionally, there has been known an information display device that can store data input by, for example, operating an input key and display the stored data on a display section. In this type of device, display data as information can be scrolled vertically or horizontally, thereby making it possible to display data that cannot be displayed on the screen of the display unit.

[Problem to be solved by the invention]

However, in the above-mentioned conventional information display device, for example, when scrolling the display data on the screen, it is necessary to differentiate the display data and scroll only a part of the display data.
A common function is to separate the data to be displayed by screen and scroll the entire display data in the same direction. That is, it is not possible to easily perform operations such as scrolling display data at a predetermined position horizontally or scrolling display data at other positions vertically on the same display screen. For this reason, for example, when mutually referencing different data on the screen, the data cannot be displayed efficiently and the user is forced to perform cumbersome operations, making it difficult to use. ing.

(Means for Solving the Problems) In order to solve the above problems, the information display device of the present invention includes a display section for displaying data, and a plurality of display sections for instructing the scrolling direction of the display data displayed on the display section. In an information display device having an input section and a processing section having a function of displaying a plurality of data on a display section and scrolling the displayed data in a predetermined direction according to instructions from the input section, the processing section The configuration has a function to divide the display section into multiple display areas to display data, and to scroll the display data displayed in each of the display areas in a unique direction for each display area. It is.

[For production]

According to the above configuration, the display section is divided into the first display area and the second display area by the operation of the processing section, and different data is displayed in each of these display areas. At this time, the first
The display data in the display area can be scrolled in the left and right directions by operating an input section that instructs the left and right scrolling directions, and the display data in the second display area can be scrolled in the left and right directions by operating the input section that instructs the up and down scrolling directions. This allows for vertical scrolling. If there is a portion of the display data in the first display area that cannot be displayed on the display section, operate the input section that instructs the left/right scroll direction to scroll the display data in the left/right direction and display that portion. can be done. Furthermore, even if there is a portion that cannot be displayed in the display data in the second display area, that portion can be similarly displayed by operating the input section that instructs the up and down scrolling direction.

In this way, in this device, a unique scrolling direction is set for each of the plurality of display areas divided and formed on the display section, and display data can be easily moved in a unique direction for each display area by operating the input section. You can scroll to
It has good operability and can display data efficiently.

[Embodiment] An embodiment of the present invention will be described below based on FIGS. 1 to 6.

As shown in FIGS. 2 and 3, the information display device according to the present invention has an openable and closable device main body 1 shaped like a double-page notebook.
have. At the top of the left side part 1a of the device main body 1,
A liquid crystal display device (hereinafter referred to as LCD) is a display unit used to display messages as data contents or calculation results.
)2 are provided. This LCD 2 has a dot matrix configuration, and as described later, the first
It is divided into a display area 2a and a second display area 2b in the lower half. Below LCD 2 and device body 1
An input key group 3 for inputting various information is provided on the right side portion 1b.

Of the input key group 3, a mode setting key group 4 for calling up and setting various functions of the information display device is arranged at the upper part of the right side portion 1b. This mode setting key group 4 includes a Japanese dictionary key 4a for setting the operation mode to Japanese dictionary 3 mode, and other keys for setting the mode to calendar, schedule, calculation, telephone, and memo modes. ing. In the center of the right part 1b, a group of Romaji-kana conversion keys 5 for inputting character information in Romaji is arranged, and in the lower part of the right part 1b, numerical keys are arranged for inputting numerical information when used as a calculator. An input key group 6 is arranged. Mode setting key group 4
A power ON key 7, a power OFF key 8, and other keys are arranged between the Romaji/Kana conversion key group 5 and the Romaji/Kana conversion key group 5. In this device, the Japanese language dictionary key 4a and the power ON key 7 have the functions of each other. That is, for example, when the power ON key 7 is operated, the Japanese language dictionary mode is executed.

Further, below the input key group 3 in the left side part 1a,
Headword search key 9 for executing headword search
Kanji operation key group 9 with a and other input keys
A cursor key group 10 is arranged below the kanji operation key group 9 as an input section for moving the screen in a predetermined direction, that is, scrolling, and moving the cursor. The cursor key group IO includes a right cursor key 10a for moving the cursor to the right, a left cursor key 10b for moving the cursor to the left, and an up cursor key 10d and a down cursor key 10c. In this device, each of these cursor keys 10a to 1
Display data on the screen can be scrolled in the opposite direction to the direction indicated by 0d.

A control section shown in FIG. 4 is provided inside the apparatus main body 1 described above. This control unit is a central processing unit (Central Processing Unit) that performs input/output processing and arithmetic processing for the entire information display device.
(hereinafter referred to as CPU) 11 and an LC that drives the LCD 2 based on control signals output from the CPU 1.
The D driver 12 and key input from the input key group 3 are transferred to the CP.
An input/output port (hereinafter referred to as I10 port) 13 for transmitting to the UII, a ROM 14 as a data section that stores a control program for the CPUI 1, mainly an input/output control program, and stores a large amount of data;
14, and a real-time clock (hereinafter referred to as RTC) 16 that measures hours, minutes, seconds, and counts the date.

The above ROM 14 is a read-only storage device,
Various data of the mode selected by each input key of the mode setting key group 4 are stored. For example, in the Japanese dictionary mode, the kanji, reading, meaning, etc. of the entered headword are stored. The RAM 15 is a readable and writable storage device. RTC16 is CPU II
The contents can be read and written. Also,
This device includes a battery 17 as a power source.

This battery is designed to bank-amplify the RAM 15 and retain the stored contents even when the power of the device is turned off. And the above CPU II, ROM14, RAM15
and an LCD driver 12 processing section.

When the configuration of the control section shown in FIG. 4 is further embodied, it becomes as shown in FIG. 5, and the LCD driver 12 is provided with a first display buffer 1 and a second display buffer 19. The first display buffer 18 corresponds to the first display area 2 a forming the upper half of the screen of the LCD 2 , and the second display buffer 19 corresponds to the second display area 2 b forming the lower half of the screen of the LCD 2 . The RAM 15 has a first buffer 20, a second buffer
It includes a buffer 21, a first display address pointer 22, and a second display address pointer 23. These display address pointers 22 and 23 indicate addresses on the first and second buffers 20 and 21, the first display address pointer 22 is an address pointer for the entry word buffer, and the second display address pointer 23 indicates the meaning. This is a buffer address pointer.

In the information display device having the above configuration, the CPU II performs processing according to the input from the input key group 3 based on the operating program in the ROM 14, and displays the processing results on the LCD 2, thereby executing various functions. It has become.

Next, the operation of the information display device will be described below based on the flowchart of FIG. 1 and the display example of FIG. 6.

In this embodiment, the Japanese dictionary mode is selected and the scrolling operation for the displayed data will be described. When setting the Japanese language dictionary mode, first, the Japanese language dictionary key 4a of the mode setting key group 4 or the power ON key 7 is operated (Sl). As a result, the operation mode is set to the Japanese language dictionary mode, and the Japanese language dictionary application software processing begins (S2). At this time, the LCD 2 is
) The initial screen will be as shown below.

Here, for example, if you want to search for the headword ``°", it does not match.". (S3). At this time, L
As shown in FIG. 2(b), the display screen of the CD 2 displays "Apologies".Next, operate the headword search key 9a of the kanji operation key group 9 (S4). Headword search When the key 9a is operated, key processing for headword search starts. First, the CPU 1 calls the corresponding headword and meaning data from the ROM 14 into the first and second buffers 20 and 21 of the RAM 15. Come (S5)
.

Next, the first and second display address pointers 22 and 23 are set to initial values (S6). Then, data corresponding to the number of digits that can be displayed on the first display area 2a of the LCD 2 is read from the first buffer 20 and written into the first display buffer 18 from the address indicated by the first display address pointer 22. The second display buffer 19 stores data corresponding to the number of digits that can be displayed in the second display area 2b from the address indicated by the second display address pointer 23.
1 and write (S7''), the data in the first display buffer 18 is expanded to the first display area 2a of the LCD 2, and the data in the second display buffer 19 is expanded to the second display area 2b (S8), and displayed. (S9). At this time, as shown in FIG. 6(C), the headword is displayed in the upper row corresponding to the first display area 2a, and the meaning is displayed in the lower row corresponding to the second display area 2b. .In this state, the first
The data to be displayed in the display area 2a, that is, the meaning of the headword "Aiho-nai" and the data to be displayed in the second display area 2b, that is, the meaning of "Aiho-nai °" are not all displayed. Since there is no such symbol, “°→゛” and “8°
“ is displayed.

Note that here, it is scanned to see which key of the cursor key group 10 has been operated or which other keys have been operated (S10). Therefore, in order to display the invisible part of the headword on the LCD 2, press the right cursor key 10a.
If is operated (S11), it is determined whether there is data for the headword that could not be displayed in the first display area 2a, that is, whether "→" is displayed (
S12). Here, as shown in FIG. 6(C), → is displayed, so an operation is performed to scroll the displayed data to the left. That is, the first display address pointer 22 for headwords is counted up 513.
), data corresponding to the number of digits that can be displayed in the first display area 2a is read from the first buffer 20 from the address, and
The data is stored in the display buffer 18 (S14). Next, data is developed from the first display buffer 18 onto the first display area 2a (515) and displayed (S9). At this time, LCD2
At the top of the screen, as shown in FIG. 6(d), "i", which is the part of the headword that could not be completely displayed, is displayed.

In addition, if the lower cursor key 10c is operated from this state (S16), it is determined whether or not there is a portion in which the semantic data cannot be displayed in the second display area 2b, that is, "8"°.
It is determined whether or not is displayed (S17). Here, since "drink" is displayed, the display data is scrolled upward. In other words, the second display address pointer 23 for meaning is counted up (318), and from that address, Data for the number of digits that can be displayed in the second display area 2b is read from the second buffer 21 and written to the second display buffer 19 (S19).6 Next,
The data is expanded from the second display buffer 19 to the second display area 2b (520) and displayed (S9). ,At this time,
At the bottom of the LCD 2 screen, as shown in Figure 6(e), "°
stomach. - When something is done, ° is displayed.

In addition to the above operations, if the left cursor key 10b or the up cursor key 10d is operated, it is similarly determined whether "佽°" or "°↑°゛" is displayed, and then the first Count down the display address pointer 22 or the second display address pointer 23,
From the address indicated by the pointer 22 or 23, data for the number of digits that can be displayed in the first display area 2a or the second display area 2b is transferred to the first buffer 20 or the second buffer 2.
1, the data is read out from the first display buffer 18 or the second display buffer 19, developed in the first display area 2a or second display area 2b, and displayed on the LCD 2. Thereby, the display data in the first display area 2a can be scrolled rightward, and the display data in the second display area 2b can be scrolled downward.

As described above, in this device, the first display area 2 of the LCD 2
The headword displayed in a can be independently scrolled left and right by operating the right cursor key 10a and the left cursor key 10b, and the headword displayed in the second display area 2b
The meanings of the headwords displayed can be independently scrolled up and down by operating the up cursor key 10d and down cursor key 10c. Therefore, by operating the cursor key group 10, the entry word and the meaning can be
Each of the display area 2a and the second display area 2b can be scrolled in a unique direction, and data that cannot be completely displayed on the LCD 2 can be easily displayed.

〔Effect of the invention〕

As described above, the information display device of the present invention includes a display section that displays data, a plurality of input sections that instruct the scroll direction of display data displayed on the display section, and a display section that displays a plurality of data. In the information display device, the information display device further includes a processing section having a function of scrolling display data in a predetermined direction according to instructions from the input section, wherein the processing section divides the display section into a plurality of display areas. This configuration has a function of displaying data and scrolling the display data displayed in each display area in a unique direction for each display area.

Therefore, if you want to see the part of the display data that cannot be displayed in each display area of the display unit, you can scroll the display data in a unique direction for each display area by operating a separate input unit. You can see that part. This makes it possible, for example, to easily cross-reference different data without having to perform troublesome operations such as displaying separate edits, greatly improving operability, and efficiently displaying each data. It has the advantage of being able to

[Brief explanation of drawings]

1 to 6 show an embodiment of the present invention, in which FIG. 1 is a flow chart showing the operation of the information display device, FIG. 2 is a front view showing the information display device, and FIG. 3 is a flowchart showing the operation of the information display device. FIG. 4 is a block diagram showing the configuration of the control section in the information display device, FIG. 5 is a block diagram embodying the block diagram shown in FIG. 4, and FIGS. e) is an explanatory diagram showing a display example on a liquid crystal display device. 2 is a liquid crystal display device (display unit), 10 is a cursor key group (
11 is the central processing unit (processing unit), 12 is the LCD driver (processing unit), 14 is ROM (processing unit)
, 15 is a RAM (processing unit). Figure 4 (a) Figure (C) Figure (e) Figure (b) Figure (d)

Claims (1)

[Claims] 1. A display section that displays data; a plurality of input sections that instruct the scrolling direction of the display data displayed on the display section; In an information display device, the processing section has a function of scrolling display data in a predetermined direction according to instructions from the section, and the processing section divides the display section into a plurality of display areas to display data and . An information display device having a function of scrolling display data displayed in each of the display areas in a unique direction for each display area.