JP2000315074A - Device and method for display and computer-readable recording medium where display control program is stored - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a small-sized display device in which a display control circuit is effectively used. SOLUTION: The display device has an electrode group 21 composed of eight electrodes E1 to E8, which are combined to present a specific language, e.g. Arabic numbers. The display device is constituted including common signal lines H1 to H3 and segment signal lines A to C, which are arranged not between the electrodes to which the lines H1 to H3 and A to C are connected and electrodes to which the lines are not connected and then selectively turned on to display the numbers. The display devices have multiple electrode groups. The display device is able to display specific symbols, e.g. '-' and Arabic letters 'E' and 'M' by combining the electrodes E1 to E8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to an electronic desk calculator,
The present invention relates to a display device that is applied to an information processing device such as a portable information tool and an electronic memo and displays numbers in a predetermined language such as Arabic or Persian, a display method, and a computer-readable recording medium recording a display program.

[0002]

2. Description of the Related Art Japanese Patent Application Laid-Open No. Sho 60-149080 discloses that
A device for displaying Arabic numerals is disclosed. The display device is capable of displaying not only Arabic numerals but also characters and is therefore equipped with a number of complicated electrodes. Therefore, the display becomes relatively large, an expensive control circuit is required, and the display becomes expensive due to special specifications, which is not practical.

Japanese Patent Application Laid-Open No. 7-64489 discloses that
A device for displaying Arabic numerals by means of an electrode group consisting of two electrodes is disclosed.

FIG. 26 shows a structure in which three electrode groups 1a to 1c each composed of seven electrodes e1 to e7 are connected to a common signal line h.
It is a top view shown with 1-h3. In addition, each electrode group 1
In addition to the seven electrodes e1 to e7 constituting a to 1c, an electrode e8 representing a decimal point is provided for each electrode group. The common signal lines h1 to h3 are provided in common for each of the electrode groups 1a to 1c. Among the electrodes e1 to e7, the electrodes e1 and e2 are connected to the common signal line h1, the electrodes e3 and e4 are connected to the common signal line h2, and the electrodes e5 to e7 are connected to the common signal line h3. The electrode e8 is connected to the common signal line h2.

FIG. 27 is a plan view showing the electrode groups 1a to 1c together with segment signal lines a1 to a3, b1 to b3 and c1 to c3. Segment signal lines a1,
b1 and c1 are provided for the electrode group 1a, segment signal lines a2, b2, and c2 are provided for the electrode group 1b, and segment signal lines a3, b3, and c3 are provided for the electrode group 1c. The electrode e of each of the electrode groups 1a to 1c
Of the electrodes 1 to e7, the electrodes e2 and e7 are respectively connected to the segment signal lines a1 to a3, the electrodes e4 and e6 are respectively connected to the segment signal lines b1 to b3, and the electrodes e1, e3 and e5 are connected to the segment signal lines c1 to c5. c3
And are connected respectively. The electrode e8 is connected to the segment signal lines a1 to a3, respectively.

[0006]

A display control circuit realized by a CPU (Central Processing Unit) or the like is inexpensive and general, and includes three common signal lines and three for each digit.
And a segment signal line. However, Japanese Patent Application Laid-Open Publication No.
Such a CPU is not effectively used in a device that displays Arabic numerals using the electrode groups 1a to 1c each including one electrode.

More specifically, referring to FIG. 26, one more electrode can be connected to common signal line h1. However, since electrode group 1a-1c is composed of seven electrodes e1-e7, the number of electrodes to be connected is limited. Absent. Referring to FIG. 27, one more electrode can be connected to segment signal lines b1 to b3, but since there are electrode groups 1a to 1c including seven electrodes e1 to e7, there are no electrodes to be connected. . Therefore, the CPU is not effectively used.

In each of the electrode groups 1a to 1c, common signal lines h1 to h3 and segment signal lines a1 to a3, b1 to b3, c1 to
Since c3 is provided, it is necessary to make the gap between the electrodes relatively large. Therefore, the size of the display device is increased.

Also, since the Arabic numerals are displayed by the combination of the seven electrodes e1 to e7, they are not very similar to the actual Arabic numerals.

An object of the present invention is to provide a small-sized display device in which a display control circuit can be effectively used. It is another object of the present invention to provide a display method capable of effectively using a display control circuit and a computer-readable recording medium recording such a display control program.

[0011]

According to the present invention, eight electrodes E are provided.
A display device having an electrode group consisting of 1 to E8, wherein numerals in a predetermined language are represented by a combination of the electrodes E1 to E8.

According to the present invention, a combination of eight electrodes E1 to E8 displays a predetermined language, for example, numerals in Arabic or Persian. An inexpensive general display control circuit such as a CPU has three common signal lines and three segment signal lines for each digit.
Since the display device of the present invention has an electrode group composed of eight electrodes E1 to E8, three, three and two electrodes are respectively connected to each common signal line and each segment signal line to effectively use the CPU. be able to. Also, 8
Since a number is displayed by a combination of the two electrodes E1 to E8, for example, a display close to an actual Arabic number is possible.

Further, according to the present invention, the display device includes common signal lines H1 to H3 and segment signal lines A to C, and the electrodes E1 to E3 of the electrodes E1 to E8 are connected to the common signal line H1. The electrodes E4 to E6 are connected to the common signal line H2, the electrodes E7 and E8 are connected to the common signal line H3, and the electrodes E1 to E6 are connected.
The electrodes E1, E4 of the signals E1 to E8 are connected to the segment signal line A, the electrodes E2, E5, E7 are connected to the segment signal line B, and the electrodes E3, E6, E8 are connected to the segment signal line C. It is characterized by that.

According to the present invention, each of the common signal lines H1 to H3 of the display device can be connected to each of the common signal lines of the CPU, and each of the segment signal lines A of the display device can be connected.
To C can be connected to the respective segment signal lines of the CPU. Specifically, as described above, the common signal lines H1 to H3 and the segment signal lines A to C are connected with 3, 3 and 2 electrodes, respectively, so that the connected CPU can be used effectively. Can be.

Also, the present invention provides a method for controlling each of the signal lines H1 to H3,
A to C are characterized in that they are arranged other than between the electrode to which the line is connected and the electrode to which the line is not connected.

According to the present invention, the common signal lines H1 to H3 and the segment signal lines A are provided between the electrodes E1 to E8.
Since C is not provided, the gap between the electrodes can be reduced, and the size of the display device can be reduced.

Further, the present invention includes a display control circuit for selectively turning on each of the signal lines H1 to H3 and A to C in accordance with the number of the language to be displayed, and bringing the electrodes E1 to E8 into a display state. And

According to the present invention, a display device is configured to include a display control circuit realized by the CPU or the like.
A display operation effectively utilizing the CPU can be executed.

Further, the present invention is characterized in that a predetermined symbol is represented by a combination of the electrodes E1 to E8.

According to the present invention, not only numerals but also predetermined symbols, for example, "-", using the electrodes E1 to E8.
(Minus) "and Arabic words" E "and" M "are also displayed, so that the display device can be used effectively.

Further, the present invention is characterized by having a plurality of the electrode groups.

According to the present invention, the display device includes the electrodes E1 to E
Since there are a plurality of electrode groups consisting of eight, a plurality of digits can be displayed.

Further, the present invention is characterized in that a predetermined symbol is represented by a combination of the electrodes E1 to E8 in the electrode group of the highest digit or the lowest digit of the electrode group.

According to the present invention, in a display device capable of displaying a plurality of digits, the predetermined symbol as described above is displayed by using the electrode group of the most significant digit or the least significant digit. The device can be used effectively.

The present invention also has an electrode group consisting of eight electrodes E1 to E8, wherein Arabic numerals are represented by combinations of the electrodes E1 to E8, and the electrodes E1 to E5 among the electrodes E1 to E8 are The electrodes E6 to E8 are substantially rod-shaped, and the electrodes E1 to E3 are E1, E2,
They are arranged in a line in the longitudinal direction in the order of E3,
The electrode E4 is arranged so that its longitudinal direction is inclined leftward from below the electrode E1, the electrode E5 is arranged such that its longitudinal direction is inclined rightward from below the electrodes E2 and E3, and the electrode E6 is arranged.
The electrode E3 is arranged so that its longitudinal direction is inclined rightward from below the electrode E3, and the electrode E7 is arranged so that its longitudinal direction is substantially perpendicular to the arrangement direction of the electrodes E1 to E3 from below the electrodes E4 and E5, The electrode E8 is a display device for Arabic numerals, wherein the longitudinal direction thereof is arranged from below the electrodes E5 and E6 so as to be substantially perpendicular to the arrangement direction of the electrodes E1 to E3.

According to the present invention, a device for specifically displaying Arabic numerals can be realized.

Further, the present invention has an electrode group consisting of eight electrodes E1 to E8, and a combination of the electrodes E1 to E8 represents a Persian numeral, and the electrodes E1 to E3 of the electrodes E1 to E8 are included. E6 is almost rod-shaped, and electrodes E4, E5,
The electrodes E7 and E8 are rod-shaped, the electrode E1 is disposed on the upper right side, the electrodes E2 and E3 are on the left side of the electrode E1, the longitudinal directions of the electrodes E1 to E3 are substantially parallel, and the electrode E2 is below the electrode E3. The electrode E4 is disposed below the electrodes E1 to E3 and its longitudinal direction is inclined leftward. The electrode E5 is arranged on the left side of the electrodes E2 and E3 and its longitudinal direction is inclined rightward. The electrode E6 is disposed on the left side of the electrode E5 with its longitudinal direction inclined rightward, and the electrode E7 is disposed below the electrodes E4 and E5 with its longitudinal direction inclined rightward. And the electrode E8 is the electrode E5, E
6. A display device for displaying Persian numerals, characterized in that the display device is disposed below 6 and its longitudinal direction is inclined leftward.

According to the present invention, a device for specifically displaying Persian numerals can be realized.

Further, the present invention has an electrode group consisting of eight electrodes E1 to E8, common signal lines H1 to H3, and segment signal lines A to C, and has common electrodes E1 to E3 among the electrodes E1 to E8. The signal line H1 is connected, the electrodes E4 to E6 are connected to the common signal line H2, the electrodes E7 and E8 are connected to the common signal line H3, and the electrodes E1 and E4 of the electrodes E1 to E8 are connected.
Is connected to the segment signal line A, and the electrodes E2, E
5, E7 and the segment signal line B are connected, and the electrode lines E3, E6, E8 and the segment signal line C are connected.
C is selectively turned on to display the electrodes E1 to E8, and a combination of the electrodes E1 to E8 causes a number in a predetermined language to be displayed.

According to the present invention, there is provided a display method capable of displaying a number in a predetermined language, for example, Arabic or Persian by effectively using a display control circuit such as a CPU by a combination of eight electrodes. Can be.

Also, the present invention has an electrode group consisting of eight electrodes E1 to E8, common signal lines H1 to H3, and segment signal lines A to C, and common electrodes E1 to E3 among the electrodes E1 to E8. The signal line H1 is connected, the electrodes E4 to E6 are connected to the common signal line H2, the electrodes E7 and E8 are connected to the common signal line H3, and the electrodes E1 and E4 of the electrodes E1 to E8 are connected.
Is connected to the segment signal line A, and the electrodes E2, E
5, E7 and the segment signal line B are connected, and the electrode lines E3, E6, E8 and the segment signal line C are connected.
A computer-readable recording medium storing a display control program characterized by selectively turning on C to display electrodes E1 to E8 and displaying a number in a predetermined language by a combination of the electrodes E1 to E8.

According to the present invention, a display control program capable of displaying a number in a predetermined language, for example, Arabic or Persian by effectively using a display control circuit such as a CPU by combining eight electrodes is recorded. A computer-readable recording medium can be provided.

[0033]

FIG. 1 is a plan view showing an electronic desk calculator 11a having a display device according to a first embodiment of the present invention. Here, the display device is an electronic desk calculator 1
Although an example applied to 1a will be described, it may be applied to an information processing device such as a pocket computer, a form information tool, and an electronic memo. The display device is a device for displaying Arabic numerals, for example, an LCD (Liquid Crystal Display)
And a display panel realized by: From the surface 12 of the electronic desk calculator 11a, the display surface 1 of the display panel
3a is exposed.

Various operation keys are provided on the surface 12 of the electronic desk calculator 11a. For example, a numeric key 14 for entering numbers from 0 to 9, a decimal key 15 for entering decimal points, addition (+), subtraction (-), multiplication (x), and division (÷) are performed. Key and an equal (=) key 17 for obtaining the result of the four arithmetic operations, and a memory key, a clear key, and the like. On the display surface 13a, numerical values input by these keys, calculation results, symbols indicating the state of the electronic desk calculator 11a, and the like are displayed.

FIG. 2 shows the electrode groups 21a to 21a of the display device.
FIG. 21 is a connection diagram of 21h and common signal lines H1 to H3. FIG. 3 shows electrode groups 21a to 21h and segment signal lines A1 to A8, B1 to B8, C1 to
It is a connection diagram with C8 and S1. FIG. 4 is a connection diagram showing common signal lines H1 to H3 and segment signal lines A to C in the electrode group 21. In FIG. 4, the electrode groups 21a to 21h are collectively referred to as an electrode group 21, and the segment signal lines A1 to A8, B1 to B8, and C1 to C8 are collectively referred to as A to C, respectively. In this embodiment, 8
An eight-digit number can be displayed by the electrode groups 21a to 21h.

First, referring to FIG. 4, the display device according to the present invention has an electrode group 21 composed of eight electrodes E1 to E8, and a combination of the electrodes E1 to E8 changes a predetermined language, here Arabic numerals. Is displayed. Here, the display device is applied to the electronic desk calculator 11a, and an electrode E9 for displaying a decimal point is further provided.

Of the electrodes E1 to E8, the electrodes E1 to E5 are rod-shaped, and the electrodes E6 to E8 are substantially rod-shaped. Also,
The electrode E9 is substantially circular. The electrodes E1 to E8 and the electrode E9 are arranged as follows.

The electrodes E1 to E3 are arranged in the order of E1, E2 and E3 from the right side in FIG. The electrode E4 is located below the electrode E1.
It is arranged with its longitudinal direction inclined leftward. Electrode E5
Are arranged so that the longitudinal direction thereof is inclined rightward from below the electrodes E2 and E3. The electrode E6 is arranged so that the longitudinal direction thereof is inclined rightward from below the electrode E3. The electrode E7 is arranged from below the electrodes E4 and E5 so that its longitudinal direction is substantially perpendicular to the arrangement direction of the electrodes E1 to E3. The electrode E8 is arranged from below the electrodes E5 and E6 so that its longitudinal direction is substantially perpendicular to the arrangement direction of the electrodes E1 to E3. The electrode E9 is disposed below the electrode E4 and to the right of the electrode E7.

The display device according to the present invention includes three common signal lines H1 to H3 and three segment signal lines A to C for each digit. Regarding the common signal lines H1 to H3, the electrodes E1 to E3 are connected to the common signal line H1, the electrodes E4 to E6 are connected to the common signal line H2, and the electrodes E7 and E8 are connected to the common signal line H3. Also, segment signal lines A,
Regarding B and C, the electrodes E1 and E4 are connected to the segment signal line A, the electrodes E2, E5 and E7 are connected to the segment signal line B, and the electrodes E3, E6 and E8 are connected to the segment signal line C. Note that the electrode E9 is connected to the common signal line H3 and to the segment signal line A.

In particular, the signal lines H1 to H3, A to C
Is disposed other than between the electrode to which the line is connected and the electrode to which the line is not connected. Specifically, considering the common signal line H1, the electrodes to which the signal line H1 is connected are E1 to E3, and the electrodes to which the signal line H1 is not connected are E4 to E8. The signal line H1 is provided so as to avoid between the electrode E1 and the electrodes E4 to E8, between the electrode E2 and the electrodes E4 to E8, and between the electrode E3 and the electrodes E4 to E8. That is, the electrodes E1 to E3 are provided on the side opposite to the electrodes E4 to E8. Note that the signal line H1 is not connected to the electrode E9, and is provided so as to avoid between the electrodes E1 to E3 and the electrode E9, that is, provided on the opposite side of the electrodes E1 to E3 from the electrode E9.

Considering the common signal line H2, the electrodes to which the signal line H2 is connected are E4 to E6, and the electrodes to which the signal line H2 is not connected are E1 to E3.
E7 and E8. The signal line H2 is connected between the electrode E4 and the electrodes E1 to E3, E7, E8, between the electrode E5 and the electrodes E1 to E3, E7, E8, and between the electrode E6 and the electrodes E1 to E3, E7, It is provided so as to avoid between E8 and each. That is, it is provided across the electrodes E4 to E6. Note that the signal line H2 is not connected to the electrode E9, and is provided so as to avoid between the electrodes E4 to E6 and the electrode E9.

Considering the common signal line H3, the electrodes to which the signal line H3 is connected are E7 and E8, and the electrodes to which the signal line H3 is not connected are E1 to E6. The signal line H3 is provided so as to avoid between the electrode E7 and the electrodes E1 to E6 and between the electrode E8 and the electrodes E1 to E6. That is, the electrode E
7, E8. Note that the signal line H3
Is connected to the electrode E9 and is provided so as to avoid between the electrode E9 and the electrodes E1 to E6, that is, the electrodes E8 to E6 are provided.
9 is provided.

Considering the segment signal line A, the electrodes to which the signal line A is connected are E1 and E4, and the electrodes to which the signal line A is not connected are E2 and E3.
E5, E6, E7 and E8. The signal line A is connected between the electrode E1 and the electrodes E2, E3, E5, E6, E7, E8, and between the electrode E4 and the electrodes E2, E3, E5.
It is provided so as to avoid between E6, E7 and E8. That is, they are provided across the electrodes E1 and E4.
Note that the signal line A is connected to the electrode E9, and is provided so as to avoid between the electrode E9 and the electrodes E2, E3, E5, E6, E7, E8, that is, the electrodes E1, E4, E9.
Is provided across.

Considering the segment signal line B, the electrodes to which the signal line B is connected are E2, E5,
E7, the electrode to which the signal line B is not connected is E1,
E3, E4, E6, and E8. The signal line B is connected between the electrode E2 and the electrodes E1, E3, E4, E6, E8, between the electrode E5 and the electrodes E1, E3, E4, E6, E8, and between the electrode E7 and the electrodes E1, E1. E3, E
4, E6, and E8.
That is, they are provided across the electrodes E2, E5, E7. Note that the signal line B is not connected to the electrode E9, and is provided so as to avoid between the electrodes E2, E5, E7 and the electrode E9.

Considering the segment signal line C, the electrodes to which the signal line C is connected are E3, E6,
E8, the electrode to which the signal line C is not connected is E1,
E2, E4, E5, and E7. The signal line C is provided between the electrode E3 and each of the electrodes E1, E2, E4, E5, and E7, between the electrode E6 and each of the electrodes E1, E2, E4, E5, and E7, and between the electrode E8 and the electrode E1, E2, E
4, E5, and E7.
That is, they are provided across the electrodes E3, E6, E8. Note that the signal line C is not connected to the electrode E9, and is provided so as to avoid between the electrodes E3, E6, E8 and the electrode E9.

Referring to FIGS. 2 and 3, there are a plurality of display devices (here, eight display devices) applied to electronic desktop computer 11a.
) Electrode groups 21a to 21h. Therefore, a plurality of digits (here, eight digits) can be displayed. The common signal lines H1 to H3 are provided commonly to each of the electrode groups 21a to 21h. The segment signal lines A to C are provided for each digit. That is, the segment signal lines A1 to C1 are provided for the electrode group 21a, the segment signal lines A2 to C2 are provided for the electrode group 21b, and the segment signal lines A3 to C3 are provided for the electrode group 21c. The segment signal lines A4 to C4 are provided for the electrode group 21d.
5 to C5 are provided for the electrode group 21e, the segment signal lines A6 to C6 are provided for the electrode group 21f, the segment signal lines A7 to C7 are provided for the electrode group 21g, and the segment signal lines A8 to C8 is provided for the electrode group 21h.

In the display device of this embodiment, the electrodes E1 to E1
Electrodes E10 to E12 are provided in addition to E8 and E9. The electrode 10 has the shape of the letter “M” and the electrode 1
1 has a shape of "-(minus)", and the electrode 12 has a shape of the letter "E". The common signal line H1 is connected to the electrode E10, the common signal line H2 is connected to the electrode E11, and the common signal line H3 is connected to the electrode E12. The segment signal line S1 is connected to the electrode E
10 to E12.

FIG. 5 is a block diagram of the electronic desk calculator 11a. The electronic desk calculator 11a includes a keyboard 25 having the above-described keys, a display panel 26a constituting a display device, a CPU 27, a ROM (read only memory) 28, and a RAM (random access memory) 29.
Is provided. The CPU 27 controls the overall operation of the computer according to a control program stored in the ROM 28. For example, it controls reading processing of various keys, arithmetic processing, and output processing of various calculation results. Therefore, a control program for these processes is stored in the ROM 28. The RAM 29 is used for temporarily storing various data. The CPU 27 has a plurality of terminals 31, and each terminal 31 is connected to a terminal of the keyboard 25 and the terminal of the display panel 26a.

FIG. 6 is a block diagram of the display panel 26a. The display panel 26a includes the electrode groups 21a to 21 described above.
h, electrodes E9 to E12, common signal lines H1 to H3,
And segment signal lines A1 to A8, B1 to B8,
C1 to C8, S1 and each common signal line H1
To H3 and the segment signal lines A1 to A8, B1 to
It has a plurality of terminals 32 connected to B8, C1 to C8, and S1, respectively. Each terminal 32 is connected to each terminal 3 of the CPU 27.
1 respectively.

FIG. 7 is a block diagram of the keyboard 25. The keyboard 25 has a plurality of terminals 33 respectively connected to the various keys described above. Each terminal 33 is C
It is connected to each terminal 31 of the PU 27.

Under the control of the CPU 27 based on the input from the keyboard 25 as an input device, the electrodes E1 to E12 of the display panel 26a constituting the display device enter the display state. FIG. 8A shows a state in which all the electrodes E1 to E12 are displayed, and FIG. 8B shows a state in which Arabic numerals are displayed. FIG. 9 shows the notation of Arabic characters 0.1 to 0.9 and 0 to 9.

For example, the numeric key 14 of the keyboard 25
When a numerical value is input by using, the input numerical value is temporarily stored in the RAM 29 which is a storage circuit. When any one of addition, subtraction, multiplication and division is designated by the four arithmetic keys 16 on the keyboard 25,
The CPU 27 performs a specified calculation based on the input numerical value. That is, the CPU 27 has a function of a calculation circuit. Further, the CPU 27 controls the display panel 26a to display the calculated result on the display panel 26a. That is, the CPU 27 has a function of a display drive circuit.

FIG. 10 is a diagram for explaining signal lines selected when displaying 0 to 9 and a decimal point.
Here, the case of displaying the first digit will be described.
The digits after the first digit can be similarly selected and displayed. CPU27
Displays "1" when the common signal lines H2 and H3 and the segment signal line B1 are selected. When the common signal lines H1 to H3 and the segment signal line B1 are selected, "2" is displayed.
When the common signal lines H1 to H3 and the segment signal lines A1 and B1 are selected, "3" is displayed.
When the common signal lines H1 to H3 and the segment signal line C1 are selected, "4" is displayed. Common signal line H3 and segment signal lines B1, C1
Is selected, "5" is displayed.

When the common signal lines H1 to H3 and the segment signal lines B1 and C1 are selected,
“6” is displayed. When the common signal lines H2, H3 and the segment signal lines A1, B1 are selected,
“7” is displayed. When the common signal lines H2, H3 and the common signal lines B1, C1 are selected,
“8” is displayed. When the common signal lines H1 to H3 and the segment signal lines B1 and C1 are selected,
“9” is displayed. When the common signal line H3 and the segment signal line B1 are selected, "0" is displayed. When the common signal line H3 and the segment signal line A1 are selected, a decimal point is displayed.

FIG. 11 is a flow chart showing the numerical display processing operation of the electronic desk calculator 11a. When the number display processing operation is started, the process proceeds to step s1, and the keyboard 2
When there is an input from the clear key of No. 5, the process proceeds to step s2. If there is no input from the clear key, the number display processing operation is terminated. In step s2, the numeric key 14
It is determined whether or not "1" has been input. "1"
Is input, the flow advances to step s3 to display "1". That is, the CPU 27 sets the common signal line H
2, H3 and a display signal for selecting the segment signal line B1. Then, the process proceeds to step s22.

If "1" has not been input, the flow advances to step s4 to determine whether "2" has been input. When "2" is input, the process proceeds to step s5 to display "2". That is, the CPU 27 outputs a display signal for selecting the common signal lines H1 to H3 and the segment signal line B1. Then, the process proceeds to step s22.

If "2" has not been input, the flow advances to step s6 to determine whether "3" has been input. When "3" is input, the process proceeds to step s7, where "3" is displayed. That is, the CPU 27 controls the common signal lines H1 to H3 and the segment signal lines A1 and B
A display signal for selecting 1 is output. And step s2
Proceed to 2.

If "3" has not been input, the flow advances to step s8 to determine whether "4" has been input. When "4" is input, the process proceeds to step s9, where "4" is displayed. That is, the CPU 27 outputs a display signal for selecting the common signal lines H1 to H3 and the segment signal line C1. Then, the process proceeds to step s22.

If "4" has not been input, the flow advances to step s10 to determine whether "5" has been input. When "5" is input, the process proceeds to step s11 to display "5". That is, the CPU 27 outputs a display signal for selecting the common signal line H3 and the segment signal lines B1 and C1. Then, the process proceeds to step s22.

If "5" has not been input, the flow advances to step s12 to determine whether "6" has been input. When "6" is input, the process proceeds to step s13 to display "6". That is, the CPU 27 controls the common signal lines H1 to H3 and the segment signal lines B1,
A display signal for selecting C1 is output. And step s
Proceed to 22.

If "6" has not been input, the flow advances to step s14 to determine whether "7" has been input. When "7" is input, the process proceeds to step s15 to display "7". That is, the CPU 27 outputs the common signal lines H2, H3 and the segment signal lines A1,
A display signal for selecting B1 is output. And step s
Proceed to 22.

If "7" has not been input, the flow advances to step s16 to determine whether "8" has been input. If "8" has been input, the flow advances to step s17 to display "8". That is, the CPU 27 includes the common signal lines H2 and H3 and the common signal lines B1 and C1.
A display signal for selecting is output. And step s22
Proceed to.

If "8" has not been input, the flow advances to step s18 to determine whether "9" has been input. When "9" is input, the process proceeds to step s19 to display "9". That is, the CPU 27 controls the common signal lines H1 to H3 and the segment signal lines B1,
A display signal for selecting C1 is output. And step s
Proceed to 22.

If "9" has not been input, the flow advances to step s20 to determine whether "0" has been input. When "0" is input, the process proceeds to step s21 to display "0". That is, the CPU 27 outputs a display signal for selecting the common signal line H3 and the segment signal line B1. Then, the process proceeds to step s22.
If "0" has not been input, the numeral display processing operation ends.

In step s22, it is determined whether or not a number has been input in the second digit. If it is input, the process proceeds to step s23, where the CPU 27 determines whether the segment signal line A selected at the time of displaying the first digit corresponding to the input number is displayed.
"1" is added to 1, B1, and C1, and the process returns to step s2 to select this signal line.

If the input is not the second digit, the flow advances to step s24, and it is determined whether or not a number is input in the nth digit. When it is input, the process proceeds to step s25,
U27 adds "n-1" to the segment signal lines A1, B1, and C1 selected at the time of displaying the first digit corresponding to the input number, and proceeds to step s2 to select this signal line. Return. If the input is not the nth digit, the number display processing operation is terminated.

FIG. 12 is a plan view showing an electronic desk calculator 11b provided with a display device according to the second embodiment of the present invention. The display device is a device that displays Arabic numerals as in the first embodiment. Surface 1 of electronic desk calculator 11b
2, the display surface 13b of the display panel is exposed.

FIG. 13 shows an electrode group 21a of the display device.
21 is a connection diagram of common signal lines H1 to H3. FIG. 14 shows electrode groups 21a to 21i included in the display device.
And segment signal lines A1 to A9, B1 to B9, C1
It is a connection diagram with C9. Here, a nine-digit number can be displayed by the nine electrode groups 21a to 21i. Each of the electrode groups 21a to 21i is configured in the same manner as the electrode group 21 of FIG. Further, an electrode E9 for displaying a decimal point is provided, but the electrodes E10 to E12 are not provided. The rest is configured in the same manner as the electronic desk calculator 11a, and the description is omitted. FIG. 15A shows a state in which all the electrodes E1 to E9 are displayed, and FIG. 15B shows a state in which Arabic numerals are displayed.

In the display device of the second embodiment, the electrodes E1 to E8
A predetermined symbol can be displayed by the combination of. For example, "-(minus)" and Arabic "E" and "M" can be displayed. In particular, in a display device capable of displaying a plurality of digits, of the electrode groups 21a to 21i,
The most significant digit electrode group 21i or the least significant digit electrode group 21a
, The predetermined symbol can be displayed by a combination of the electrodes E1 to E8.

FIG. 16 is a diagram for explaining signal lines selected when "-", "E" and "M" are displayed. The signal lines selected when displaying 0 to 1 and the decimal point are the same as those described with reference to FIG. Here, the case of displaying at the most significant digit will be described, but it is also possible to similarly display at the least significant digit.

The CPU 28 causes the common signal line H
When “1” and the segment signal lines B9 and C9 are selected, “−” is displayed. Common signal lines H1, H
When "2" and the segment signal lines A9 to C9 are selected, "M" is displayed. Common signal lines H1 to H3
When the segment signal lines A9 to C9 are selected, "E" is displayed.

FIG. 17 is a plan view showing an electronic desk calculator 11c provided with a display device according to the third embodiment of the present invention. The display device is a device for displaying Persian numerals, includes a display panel realized by an LCD or the like like the display device 11a, and has a surface 12 of an electronic desk calculator 11c.
, The display surface 13c of the display panel is exposed.

A numeric key 14, a decimal point key 15, an arithmetic key 16 and an equal key 17 are provided on the front surface 12 of the electronic desk calculator 11c, similarly to the electronic desk calculator 11a. Are provided. On the display surface 13c, numerical values input by these keys, calculation results, symbols indicating the state of the electronic desk calculator 11c, and the like are displayed.

FIG. 18 shows an electrode group 22a of the display device.
FIG. 22 is a connection diagram of the common signal lines H1 to H3. FIG. 19 illustrates electrode groups 22a to 22h included in the display device.
And segment signal lines A1 to A8, B1 to B8, C1
It is a connection diagram with C8, S1. FIG. 20 shows the electrode group 22.
3 is a connection diagram showing common signal lines H1 to H3 and segment signal lines A to C in FIG. In FIG. 20, the electrode groups 22a to 22h are collectively referred to as an electrode group 22, and the segment signal lines A1 to A8, B1 to B8, C1 to C
8 are collectively referred to as A to C, respectively. Here, an eight-digit number can be displayed by the eight electrode groups 22a to 22h.

Referring first to FIG. 20, a display device according to the present invention has an electrode group 22 including eight electrodes E21 to E28.
And a combination of the electrodes E21 to E28 represents a predetermined language, here, a Persian numeral. In addition, the same electrode E9 as described above for displaying a decimal point is provided.

Of the electrodes E21 to E28, the electrodes E21 to E28
E23 and E26 are substantially rod-shaped, and electrodes E24 and E2
5, E27 and E28 are rod-shaped. Each electrode E21 to E2
8 and the electrode E9 are arranged as follows.

The electrode E21 is disposed on the upper right side of FIG. The electrodes E22 and E23 are arranged on the left side of the electrode E21 such that the longitudinal directions of the electrodes E21 to E23 are substantially parallel and the electrode E22 is below the electrode E23. The electrode E24 is disposed below the electrodes E21 to E23 with its longitudinal direction inclined leftward. The electrode E25 is disposed on the left side of the electrodes E22 and E23, with its longitudinal direction inclined rightward. The electrode E26 is the electrode E
On the left side of 25, it is arranged with its longitudinal direction inclined to the right. The electrode E27 is disposed below the electrodes E24 and E25 so that its longitudinal direction is inclined rightward. Electrode E28
Is disposed below the electrodes E25 and E26, with its longitudinal direction inclined leftward.

The display device according to the present invention includes three common signal lines H1 to H3 and three segment signal lines A to C for each digit. Regarding the common signal lines H1 to H3, the electrodes E21 to E23 are connected to the common signal line H1, the electrodes E24 to E26 are connected to the common signal line H2, and the electrodes E27 and E28 are connected to the common signal line H3. With respect to the segment signal lines A, B, C, the electrodes E21, E24 are connected to the segment signal line A, and the electrodes E22, E2
5, E27 are connected to the segment signal line B, and the electrodes E23, E26, E28 are connected to the segment signal line C. Note that the electrode E9 is connected to the common signal line H3 and to the segment signal line A.

In particular, the signal lines H1 to H3, A to C
Are disposed other than between the electrode to which the line is connected and the electrode to which the line is not connected. Specifically, considering the common signal line H1, the electrodes to which the signal line H1 is connected are E21 to E23, and the electrodes to which the signal line H1 is not connected are E24 to E28. The signal line H1 is provided so as to avoid between each of the electrodes E21 and E24 to E28, between each of the electrodes E22 and E24 to E28, and between each of the electrodes E23 and E24 to E28. That is, the electrodes E21 to E2
3 on the opposite side to the electrodes E24 to E28 and the electrode E2
2, E23. The signal line H
1 is not connected to the electrode E9 and is provided so as to avoid between the electrodes E21 to E23 and the electrode E29, that is, provided on the opposite side of the electrodes E21 to E23 from the electrode E29.

Considering the common signal line H2, the electrodes to which the signal line H2 is connected are E24 to E26.
And the electrodes to which the signal line H2 is not connected are E21 to E21.
E23, E27 and E28. The signal line H2 is connected between the electrode E24 and the electrodes E21 to E23, E27 and E28, and between the electrode E25 and the electrodes E21 to E23 and E2.
7 and E28 and between the electrodes E26 and E21 to E23, E27 and E28. That is, it is provided across the electrodes E24 to E26. Note that the signal line H2 is not connected to the electrode E9, and is provided so as to avoid between each of the electrodes E24 to E26 and the electrode E29.

Considering the common signal line H3, the electrodes to which the signal line H3 is connected are E27 and E28.
And the electrodes to which the signal line H3 is not connected are E21 to E21.
E26. The signal line H3 is connected to the electrode E27 and the electrode E
21 to E26 and between the electrode E28 and the electrodes E21 to E26. That is, they are provided across the electrodes E27 and E28. Note that the signal line H3 is connected to the electrode E9, and is provided so as to avoid between the electrode E9 and the electrodes E21 to E26, that is, is provided across the electrodes E27, E28, and E9.

Considering the segment signal line A, the electrodes to which the signal line A is connected are E21 and E2.
4, the electrode to which the signal line A is not connected is E22,
E23 and E25 to E28. The signal line A is provided between the electrode E21 and the electrodes E22, E23, E25 to E28, and between the electrode E24 and the electrodes E22, E23, E28.
25 to E28. That is, the electrodes E22, E23, E23 of the electrodes E21, E24
It is provided on the opposite side from 25 to E28. The signal line A is connected to the electrode E9, and the electrode E9 and the electrodes E22, E22
23, and between E25 and E28.

Considering the segment signal line B, the electrodes to which the signal line B is connected are E22 and E2.
5, E27, and the electrodes to which the signal line B is not connected are E21, E23, E24, E26, and E28. The signal line B includes the electrode E22 and the electrodes E21, E23, E2.
4, E26, E28, between the electrode E25 and the electrodes E21, E23, E24, E26, E28, and between the electrode E27 and the electrodes E21, E23, E2.
4, E26 and E28. That is, they are provided across the electrodes E22, E25, and E27. Note that the signal line B is not connected to the electrode E9, but is provided so as to avoid between the electrodes E22, E25, E27 and the electrode E9.

Considering the segment signal line C, the electrodes to which the signal line C is connected are E23 and E2.
6, E28, and the electrodes to which the signal line C is not connected are E21, E22, E24, E25, and E27. The signal line C is connected to the electrode E23 and the electrodes E21, E22, E2.
4, E25, E27, between the electrode E26 and the electrodes E21, E22, E24, E25, E27, and between the electrode E28 and the electrodes E21, E22, E2.
4, E25, and E27. That is, they are provided across the electrodes E23, E26, E28. Note that the signal line C is not connected to the electrode E9, but is provided so as to avoid between the electrodes E23, E26, E28 and the electrode E9.

Referring to FIGS. 18 and 19, the display device applied to electronic desk calculator 11c has a plurality of (here, eight) electrode groups 22a to 22h. Therefore, a plurality of digits (here, eight digits) can be displayed.
The common signal lines H1 to H3 are connected to the respective electrode groups 22a to 22a.
2h is provided in common. The segment signal line A
To C are provided for each digit as in the first embodiment.

In the display device of this embodiment, the electrodes E9,
In addition to E21 to E28, the electrode E10
To E12.

FIG. 21 is a block diagram of the electronic desk calculator 11c. The block diagram is the same as the block diagram of FIG. 5 except that a display panel 26c is provided instead of the display panel 26a. The plurality of terminals 31 of the CPU 27 are respectively connected to the terminals of the keyboard 25 and the display panel 26c. Display panel 26c and keyboard 2
The block diagram of FIG. 5 is the same as that of FIGS.

Under the control of the CPU 27 based on the input from the keyboard 25, which is an input device, the electrodes E9 to E12 and E21 to E2 of the display panel 26c constituting the display device.
8 becomes a display state. FIG. 22A shows all the electrodes E9 to E9.
12, E21 to E28 are displayed, and FIG.
(B) is a figure which shows the state which displayed the number of the Persian character. FIG. 23 shows the notation of Persian characters 0-9.

For example, the numeric key 14 of the keyboard 25
When a numerical value is input by using, the input numerical value is temporarily stored in the RAM 29 which is a storage circuit. When any one of addition, subtraction, multiplication and division is designated by the four arithmetic keys 16 on the keyboard 25,
The CPU 27 performs a specified calculation based on the input numerical value. That is, the CPU 27 has a function of a calculation circuit. Further, the CPU 27 controls the display panel 26c to display the calculated result on the display panel 26c. That is, the CPU 27 has a function of a display drive circuit.

FIG. 24 is a diagram for explaining signal lines selected when 0 to 1 and a decimal point are displayed.
Here, the case of displaying at the first digit will be described, but it is also possible to display at the second and subsequent digits in the same manner. C
When the common signal lines H2 and H3 and the segment signal line B1 are selected by the PU 27, "1"
Is displayed. When the common signal lines H1 to H3 and the segment signal line B1 are selected, "2" is displayed. When the common signal lines H1 to H3 and the segment signal lines A1 and B1 are selected, "3" is displayed. When the common signal lines H1 to H3 and the segment signal lines B1 and C1 are selected, "4" is displayed. When the common signal lines H1 and H2 and the segment signal lines A1 to C1 are selected, “5” is displayed.

When the common signal lines H1 and H2 and the segment signal lines A1 to C1 are selected,
“6” is displayed. When the common signal lines H2, H3 and the segment signal lines A1, B1 are selected,
“7” is displayed. When the common signal lines H2, H3 and the common signal lines B1, C1 are selected,
“8” is displayed. When the common signal lines H2, H3 and the segment signal lines B1, C1 are selected,
“9” is displayed. When the common signal line H3 and the segment signal line C1 are selected, "0" is displayed. When the common signal line H3 and the segment signal line A1 are selected, a decimal point is displayed.

In the display device of the third embodiment, the electrode E2
“E” can be displayed by 1 to E28. CPU2
8, when the common signal lines H1 to H3 and the segment signal lines A9 to C9 are selected, "E" is displayed.

FIG. 25 is a flow chart showing the numerical display processing operation of the electronic desk calculator 11c. When the number display processing operation is started, the process proceeds to step s31, and when there is an input from the clear key of the keyboard 25, step s32
Proceed to. If there is no input from the clear key, the number display processing operation is terminated. In step s32, it is determined whether or not "1" has been input by the numeral key 14.
When "1" is input, the process proceeds to step s33 to display "1". That is, the CPU 27 outputs a display signal for selecting the common signal lines H2 and H3 and the segment signal line B1. Then, the process proceeds to step s52.

If "1" has not been input, the flow advances to step s34 to determine whether "2" has been input. When "2" is input, the process proceeds to step s35 to display "2". That is, the CPU 27 outputs a display signal for selecting the common signal lines H1 to H3 and the segment signal line B1. Then, the process proceeds to step s52.

If "2" has not been input, the flow advances to step s36 to determine whether "3" has been input. If "3" has been input, the flow advances to step s37 to display "3". That is, the CPU 27 controls the common signal lines H1 to H3 and the segment signal lines A1,
A display signal for selecting B1 is output. And step s
Go to 52.

If "3" has not been input, the flow advances to step s38 to determine whether "4" has been input. When "4" is input, the flow advances to step s39 to display "4". That is, the CPU 27 controls the common signal lines H1 to H3 and the segment signal lines B1,
A display signal for selecting C1 is output. And step s
Go to 52.

If "4" has not been input, the flow advances to step s40 to determine whether "5" has been input. When "5" is input, the process proceeds to step s41 to display "5". That is, the CPU 27 controls the common signal lines H1 and H2 and the segment signal lines A1 to A1.
A display signal for selecting C1 is output. And step s
Go to 52.

If "5" has not been input, the flow advances to step s42 to determine whether "6" has been input. If "6" has been input, the flow advances to step s43 to display "6". That is, the CPU 27 controls the common signal lines H1 and H2 and the segment signal lines A1 to A1.
A display signal for selecting C1 is output. And step s
Go to 52.

If "6" has not been input, the flow advances to step s44 to determine whether "7" has been input. When "7" is input, the process proceeds to step s45 to display "7". That is, the CPU 27 outputs the common signal lines H2, H3 and the segment signal lines A1,
A display signal for selecting B1 is output. And step s
Go to 52.

If "7" has not been input, the flow advances to step s46 to determine whether "8" has been input. When "8" is input, the flow advances to step s47 to display "8". That is, the CPU 27 includes the common signal lines H2 and H3 and the common signal lines B1 and C1.
A display signal for selecting is output. And step s52
Proceed to.

If "8" has not been input, the flow advances to step s48 to determine whether "9" has been input. When "9" is input, the flow advances to step s49 to display "9". That is, the CPU 27 outputs the common signal lines H2, H3 and the segment signal lines B1,
A display signal for selecting C1 is output. And step s
Go to 52.

If "9" has not been input, the flow advances to step s50 to determine whether "0" has been input. When "0" is input, the process proceeds to step s51 to display "0". That is, the CPU 27 outputs a display signal for selecting the common signal line H3 and the segment signal line C1. Then, the process proceeds to step s52.
If "0" has not been input, the numeral display processing operation ends.

In step s52, it is determined whether or not a number has been input in the second digit. When the input is made, the process proceeds to step s53, and the CPU 27 determines whether the segment signal line A selected at the time of displaying the first digit corresponding to the input number is displayed.
"1" is added to 1, B1, and C1, and the process returns to step s32 to select this signal line.

If the input is not the second digit, the flow advances to step s54 to determine whether or not a number is input in the nth digit. When it is input, the process proceeds to step s55,
U27 adds "n-1" to the segment signal lines A1, B1, and C1 selected at the time of displaying the first digit corresponding to the input number, and proceeds to step s32 to select this signal line. Return. If the input is not the nth digit, the number display processing operation is terminated.

A display method for displaying numbers in a predetermined language such as Arabic or Persian using the above-described display device is also included in the scope of the present invention.
The recording medium 30 storing the control program stored in the ROM 28 also belongs to the scope of the present invention. The recording medium 30 is realized by, for example, an FD (floppy disk).
28.

The display device described above is realized by a program for causing a display process to function. This program is stored on a computer-readable recording medium. In the present invention, as this recording medium, a memory necessary for processing by the CPU 27 realized by the microcomputer shown in FIGS.
For example, a ROM itself may be a program medium, or a program reader (not shown) provided as an external storage device, which can be read by inserting a recording medium therein. You may. In any case, the stored program may be configured to be accessed and executed by a microprocessor, or in any case, the program may be read, and the read program may not be shown in the microcomputer. The program may be downloaded to the program recording area and the program may be executed. It is assumed that this download program is stored in the main unit in advance.

Here, the program medium is a recording medium that can be separated from the main body, such as a tape system such as a magnetic tape or a cassette tape, a magnetic disk such as a floppy disk or a hard disk, or a CD-ROM / MO / M.
A disk system of an optical disk such as a D / DVD, a card system such as an IC card (including a memory card) / an optical card, or a fixed program including a semiconductor memory such as a mask ROM, EPROM, EEPROM, or flash ROM. It may be a carrying medium.

Further, since the present invention has a system configuration that can be connected to a communication network including the Internet, the medium may carry a program in a fluid manner so that the program is downloaded from the communication network. When the program is downloaded from the communication network as described above, the download program may be stored in the apparatus main body in advance, or may be installed from another recording medium.

The content stored in the recording medium is not limited to a program, but may be data.

As described above, according to the present embodiment, numbers in a predetermined language such as Arabic or Persian can be displayed by a combination of the eight electrodes E1 to E8 or E21 to E28. A display control circuit such as a simple CPU can be effectively used. It should be noted that the displayed language numbers are not limited to Arabic and Persian numbers, but may be any language numbers that can be displayed by a combination of eight electrodes. Absent.

The electrodes E1 to E8 or E21 to E2
Since the common signal lines H1 to H3 and the segment signal lines A to C are not provided between the electrodes 8, the gap between the electrodes can be reduced, and the size of the display device can be reduced.

[0112]

As described above, according to the present invention, it is possible to display a predetermined language, for example, a number in Arabic or Persian, by combining eight electrodes. The circuit can be used effectively.

According to the present invention, each of the common signal lines H1 to H3 of the display device is connected to each of the common signal lines of the CPU, and each of the segment signal lines A of the display device is connected.
To C are connected to the respective segment signal lines of the CPU, and the CPU can be used effectively.

According to the present invention, since no common signal line or segment signal line is provided between the electrodes E1 to E8, the gap between the electrodes can be reduced, and the display device can be downsized. Can be.

Further, according to the present invention, since the display device is configured to include the display control circuit realized by the CPU or the like, the display operation using the CPU can be executed effectively.

Further, according to the present invention, the electrodes E1 to E8
Is used to display not only numerals but also predetermined symbols, for example, "-" and Arabic words "E" and "M", so that the display device can be effectively used.

According to the present invention, a plurality of digits can be displayed by a plurality of electrode groups including the electrodes E1 to E8.

Further, according to the present invention, the predetermined symbol is displayed by the most significant digit or least significant digit electrode group of the plurality of digit electrode groups, so that the display device can be effectively used.

Further, according to the present invention, it is possible to realize a device for specifically displaying Arabic or Persian numerals.

Further, according to the present invention, a display method and display control capable of displaying a predetermined language, for example, Arabic or Persian numerals effectively by using a display control circuit such as a CPU, by a combination of eight electrodes. A computer-readable recording medium on which a program is recorded can be provided.

[Brief description of the drawings]

FIG. 1 is a plan view showing an electronic desk calculator 11a including a display device according to a first embodiment of the present invention.

FIG. 2 is a connection diagram of electrode groups 21a to 21h of a display device and common signal lines H1 to H3.

FIG. 3 shows electrode groups 21a to 21h and segment signal lines A1 to A8, B1 to B8, C1 to C included in the display device.
FIG. 8 is a connection diagram with S1.

FIG. 4 shows common signal lines H1 to H in the electrode group 21.
FIG. 3 is a connection diagram showing 3 and segment signal lines A to C.

FIG. 5 is a block diagram of the electronic desk calculator 11a.

FIG. 6 is a block diagram of a display panel 26a.

FIG. 7 is a block diagram of the keyboard 25.

FIG. 8A shows a state in which all the electrodes E1 to E12 are displayed, and FIG. 8B shows a state in which Arabic numerals are displayed.

FIG. 9 is a diagram showing the notation of Arabic characters 0.1 to 0.9 and 0 to 9;

FIG. 10 is a diagram for explaining signal lines selected when displaying 0 to 9 and a decimal point.

FIG. 11 is a flowchart showing a numeral display processing operation of the electronic desk calculator 11a.

FIG. 12 is a plan view showing an electronic desk calculator 11b including a display device according to a second embodiment of the present invention.

FIG. 13 is a connection diagram of electrode groups 21a to 21i of a display device and common signal lines H1 to H3.

FIG. 14 illustrates an electrode group 21a to 21i and segment signal lines A1 to A9, B1 to B9, and C1 to C included in a display device.
9 is a connection diagram with FIG. 9.

FIG. 15A shows a state where all the electrodes E1 to E9 are displayed, and FIG. 15B shows a state where Arabic numerals are displayed.

FIG. 16 is a diagram for explaining signal lines selected when “−”, “E” and “M” are displayed.

FIG. 17 is a plan view showing an electronic desk calculator 11c including a display device according to a third embodiment of the present invention.

FIG. 18 is a connection diagram between electrode groups 22a to 22h of a display device and common signal lines H1 to H3.

FIG. 19 illustrates electrode groups 22a to 22h and segment signal lines A1 to A8, B1 to B8, and C1 to C included in a display device.
FIG. 8 is a connection diagram with S1.

20 shows common signal lines H1 to H1 in an electrode group 22. FIG.
FIG. 3 is a connection diagram showing H3 and segment signal lines A to C.

FIG. 21 is a block diagram of the electronic desk calculator 11c.

FIG. 22A shows all electrodes E9 to E12 and E2.
FIG. 22 (B) is a diagram showing a state in which Persian characters are displayed.

FIG. 23 is a diagram showing the notation of Persian characters 0 to 9;

FIG. 24 is a diagram for explaining signal lines selected when 0 to 1 and a decimal point are displayed.

FIG. 25 is a flowchart showing a numeral display processing operation of the electronic desk calculator 11c.

FIG. 26 is a plan view showing three electrode groups 1a to 1c each including seven electrodes e1 to e7, together with common signal lines h1 to h3.

FIG. 27 is a plan view showing the electrode groups 1a to 1c together with segment signal lines a1 to a3, b1 to b3, and c1 to c3.

[Explanation of symbols]

11a-11c Electronic desk calculator 13a-13c Display surface 21, 21a-21i, 22, 22a-22h Electrode group 26a, 26c Display panel 27 CPU (central processing unit) 28 ROM (read only memory) 29 RAM (random access memory) 30) Recording media E1 to E8, E21 to E28 Electrodes H1 to H3 Common signal lines A, A1 to A9, B, B1 to B9, C, C1 to C9 Segment signal lines

Continued on the front page F term (reference) 5C082 BA04 CB01 DA87 MM04 MM05 MM08 5C094 AA15 BA43 CA15 CA16 EA03 EA04 EA07 GA10 HA02 HA10

Claims (11)

[Claims] 1. A display device comprising an electrode group consisting of eight electrodes E1 to E8, wherein a combination of the electrodes E1 to E8 represents a number in a predetermined language. 2. The display device according to claim 1, further comprising a common signal line H1.
To H3 and the segment signal lines A to C, the electrodes E1 to E3 of the electrodes E1 to E8 are connected to the common signal line H1, the electrodes E4 to E6 are connected to the common signal line H2, and the electrodes E7 and E8 are connected to the common signal line H3, and the electrodes E1 to E8
, The electrodes E1, E4 are connected to the segment signal line A, the electrodes E2, E5, E7 are connected to the segment signal line B, and the electrodes E3, E6, E8 are connected to the segment signal line C. Claim 1 characterized by the following:
The display device according to the above. 3. The signal line according to claim 2, wherein each of the signal lines H1 to H3 and A to C is disposed between the electrode to which the line is connected and the electrode to which the line is not connected. Display device. 4. Each of the signal lines H1 to H3, A to C is selectively turned on in accordance with the number of the language to be expressed, and the electrodes E1
3. The display device according to claim 2, further comprising a display control circuit for setting E8 to E8 in a display state. 5. The display device according to claim 1, wherein a predetermined symbol is represented by a combination of the electrodes E1 to E8. 6. The display device according to claim 1, comprising a plurality of the electrode groups. 7. The display device according to claim 6, wherein a predetermined symbol is represented by a combination of the electrodes E1 to E8 in the highest order digit or the lowest digit order of the electrode group. 8. An electrode group including eight electrodes E1 to E8, wherein Arabic numerals are represented by a combination of the electrodes E1 to E8, wherein the electrodes E1 to E5 among the electrodes E1 to E8 are rod-shaped,
The electrodes E6 to E8 are substantially rod-shaped, the electrodes E1 to E3 are arranged in a line from the right side in the order of E1, E2, and E3, and the electrode E4 is arranged from the lower side of the electrode E1 in the longitudinal direction. The electrode E is arranged to be inclined leftward.
The electrode 5 is disposed with its longitudinal direction inclined rightward from below the electrodes E2 and E3, the electrode E6 is disposed with its longitudinal direction inclined rightward from below the electrode E3, and the electrode E7 is disposed with the electrodes E4 and E5. The electrode E8 is arranged so that its longitudinal direction is substantially perpendicular to the arrangement direction of the electrodes E1 to E3 from below, and the electrode E8 has its longitudinal direction from below the electrodes E5 and E6.
3. A display device for Arabic numerals, which is arranged substantially perpendicular to the arrangement direction of the numbers 3. 9. An electrode group comprising eight electrodes E1 to E8, a combination of the electrodes E1 to E8 represents a Persian number, and the electrodes E1 to E3 and E6 of the electrodes E1 to E8 are substantially The electrodes E4, E5, E7, E8 are rod-shaped,
The electrode E1 is arranged on the upper right side as viewed, and the electrodes E2, E
3 is disposed on the left side of the electrode E1 such that the longitudinal directions of the electrodes E1 to E3 are substantially parallel, and the electrode E2 is located below the electrode E3. The electrode E4 is located below the electrodes E1 to E3. The electrode E5 is arranged on the left side of the electrodes E2 and E3, and the longitudinal direction thereof is inclined rightward. The electrode E6 is arranged on the left side of the electrode E5 and the longitudinal direction thereof is inclined rightward. The electrode E7 is connected to the electrode E4.
A Persian numeral characterized in that its longitudinal direction is arranged to be inclined rightward below E5, and the electrode E8 is arranged to be inclined obliquely to the left below electrodes E5 and E6. Display device. 10. An electrode group including eight electrodes E1 to E8, common signal lines H1 to H3, and segment signal lines A to C, and electrodes E1 to E3 among the electrodes E1 to E8 and a common signal line H1. Are connected, the electrodes E4 to E6 are connected to the common signal line H2, the electrodes E7 and E8 are connected to the common signal line H3, and the electrodes E1 to E8 are connected.
Are connected to the segment signal lines A, the segment signal lines B are connected to the electrodes E2, E5, E7, and the segment signal lines C are connected to the electrodes E3, E6, E8. A display characterized by selectively turning on each of the signal lines H1 to H3 and A to C to bring the electrodes E1 to E8 into a display state, and displaying a number in a predetermined language by a combination of the electrodes E1 to E8. Method. 11. An electrode group comprising eight electrodes E1 to E8, common signal lines H1 to H3, and segment signal lines A to C, wherein the electrodes E1 to E3 of the electrodes E1 to E8 and the common signal line H1 are provided. Are connected, the electrodes E4 to E6 are connected to the common signal line H2, the electrodes E7 and E8 are connected to the common signal line H3, and the electrodes E1 to E8 are connected.
Are connected to the segment signal lines A, the segment signal lines B are connected to the electrodes E2, E5, E7, and the segment signal lines C are connected to the electrodes E3, E6, E8. A display characterized by selectively turning on each of the signal lines H1 to H3 and A to C to bring the electrodes E1 to E8 into a display state, and displaying a number in a predetermined language by a combination of the electrodes E1 to E8. A computer-readable recording medium recording a control program.