JPH0432889A - Display device - Google Patents

Abstract

PURPOSE:To display a prescribed date or time and optional alphabets by using three display parts each of which is constituted of a display element consisting of 4 to 6 segments and a Union Jack display element consisting of 12 to 15 segments. CONSTITUTION:The display device is constituted of the display elements 1 to 6, apostrophe ['] display elements 7a, 7b to be turned on at the time of displaying the year of A.D. abbreviated with upper two digits, abbreviation [M] display elements 8a, 8b to be turned on at the time of displaying a month and a coron [:] display element 9 to be turned on between hour and minutes at the time of displaying hour/minute. Seven-segment elements are used for the display elements 1, 3, 5 and display elements so-called Union Jack consisting of 15 segments each are used for the display elements 2, 4, 6. Consequently, [year, month, date], [month, date, year], [date, month, year], [date, hour, minute], or three optional alphabets can be displayed.

Description

[Detailed description of the invention] A. Industrial application field The present invention has a small number of segment configurations.

The present invention relates to a display that displays "Sunday", "Sunday 9:09", arbitrary alphabets, etc.

B. Conventional technology Traditionally, "February 4, 2018,""Month 9, 2 years,""January 9, 2019," and "2:02:00" are displayed in a 7-segment Japanese character display. When displaying only numbers by combining elements, and displaying any alphabet,
A display element with a dot matrix structure is used.

C0 Problems to be Solved by the Invention However, since the display element with the dot matrix structure has a large number of segments to be controlled, the control circuit for controlling the display becomes large-scale, and furthermore, the connection between the display and the control circuit becomes large. There is a problem that the number of wires between them increases.

An object of the present invention is to provide a display device that can display a predetermined date or any alphabet by combining display elements with a minimum segment configuration.

01 Means for Solving the Problems The present invention will be explained in conjunction with FIG. ``July.

day”, “month 2 day 9 year”, 187 month 9 year”, “day.

This is a display device 100 that can switch and display "hour 9 minutes" and three arbitrary alphabetic characters, in which the 1's digit of each display part is a display element having 12 to 15 segments and capable of displaying alphanumeric characters, and each display The above object is achieved by providing a display element having 4 to 6 segments in the 10's place and capable of displaying 1, 2 degrees, 3, 4, 5, and 9 segments.

"September 7, 2015" is displayed by the display device 100 comprising the above-mentioned display elements configured with the minimum number of segments.

Three arbitrary letters of the alphabet are displayed: ``Month 9th 9th year'', ``Sunday February 2nd year'', and ``Sunday 1:09''.

In the above-mentioned sections and section E, which describe the present invention in detail, figures of embodiments are used to make the present invention easier to understand, but the present invention is not limited to the embodiments.

F. Embodiment FIG. 1 is a diagram showing an embodiment of a display device according to the present invention.

100 is a display that switches and displays ``September 9, 1 year'', ``Month 9, 9 years'', ``189 Month 2 years'', ``Day 2:09'', and any three letters of the alphabet. Element 1
6, apostrophe "'" display elements 7a and 7b that light up when displaying the year by omitting the first two digits, and abbreviation "M" display element 8 that lights up when displaying the month.
a, 8b, and a colon ":" display element 9 that lights up between hours and minutes when displaying hours and minutes.

FIG. 2(a) is a diagram showing a segment configuration of a display element consisting of well-known seven segments 201 to 207 used in display elements 1 and 3.5. Moreover, FIG. 2(b) shows 15 segments 301 to 301 used for the display elements 2 and 4.6.
316 is a diagram showing a segment configuration of a display element commonly called a Union Jack. This figure 2 (b
) The total number of segments of the display element shown in ) is 16, but since the segments 315 and 316 are always turned on and off at the same time, the number of segments is 15. In addition, this display element can display all numbers and alphabets, and furthermore, for example, 8 and B, 0 and O.
, 5 and S, 1 and 1, and similar characters; can clearly distinguish and represent numbers.

FIGS. 3(a) to 3(e) are diagrams showing display examples on the 1-display unit 100, and (a) shows "July 12, 1990" and (
b) is "23:46 on the 12th", (c) is the alphabet "JPNJ" which indicates the abbreviation of Japan, (d) is "July 12th '90", and (e) is "12th". July '90'
shows.

Figure 4 shows the display format shown in Figure 3, that is, "year! month to day", "81 o'clock to minute", and "(three alphabetic characters)".
”, “month 9 days 2 years” and 1 day.

9 is a diagram showing characters to be displayed on each display element 1 to 6 of the display device 100 and the number of segments required to express the characters in month 9 J. FIG.

4 will be explained in order of display elements 1 to 6. First, what characters must be displayed on display element 1?

This is the number in the tens place on April 1st. In the tens place of the year name, we will display up to 2030, and for example, 2
If the year 001 is to be displayed as "r' (blank) 1", the characters to be displayed as 1 are 1.2°3.9. Also, the 10th place of the month is only the letter 1, and the 1o place of the day is the letter 1, 2, etc.
It is 3. Therefore, the number of characters to be displayed on display element 1 is 1
, 2.3 and 9, and the number of segments required for this purpose is 5 out of 7 segments since segments 201, 204 and 207 shown in FIG. 2(a) can be turned on and off at the same time. A segment is fine.

The characters that must be displayed on display element 2 are
These are the 1's digit of the day and all the letters of the alphabet, namely the letters O-9 and A-Z as shown in the figure. Therefore, all 15 segments of the Union Jack display element described above are required.

The characters that must be displayed on display element 3 are
The tens digit of the hour is the letters 1, 2 and 3 as shown. Therefore, the segment 20 shown in FIG. 2(a)
6 becomes unnecessary, and segments 201, 204 and 207 are lit at the same time.

Since it can be turned off, the number of segments required is four. The characters that must be displayed on the display element 4 are the 1's digit of 9 o'clock on the 9th day of the month and all the letters of the alphabet, 0 to 9 and AZ.

Therefore, the number of segments required is 15.

What characters must be displayed on the display element 5?

Since it is the 10th digit of the 2nd day of the year, it is only necessary to display the characters 1 to 5 and 9. Therefore, the segments 204 and 207 shown in FIG. 2(a) can be turned on and off at the same time. The number of segments required is six. The characters that must be displayed as the display characters 6 are digits in the 1/9th place of the second day of the year and all letters of the alphabet, such as O to 9 and A to Z, and the required number of segments is IS.

In this way, if you limit the year display to 2030, 7
All the display formats shown in FIG. 3 can be displayed using the segment display elements 1, 3.5 and the 15-segment Union Jack display elements 2, 4.6.

Furthermore, if similar numbers and alphabetic characters are not clearly distinguished, and alphabetic characters only need to be distinguished from other characters, then numbers and alphabento characters can be represented, for example, as shown in Figure 5. can, second
Segments 310, 312, 315, 316 in figure (b)
can be omitted.

In this case, the number of segments required for one display element 2,4.6 is 12.

FIG. 6 is a block diagram of a display device that operates the display device 100 shown in FIG. 1.

Reference numeral 10 denotes a mode changeover switch for changing the display mode, and each time the switch is operated - times, as shown in FIG.
The display contents change in the order of (e). Reference numeral 11 indicates a correction digit selection switch that selects a display digit to be changed when changing the display contents, and reference numeral 12 indicates a correction digit selection switch that, after selecting a digit with the correction digit selection switch 11, switches the display contents of that digit each time the correction digit selection switch 11 is operated. It is a correction switch that changes the These correction digit selection switches 1
1 and the correction switch 12 are well known in the past, and detailed explanations thereof will be omitted. However, when correcting the alphabetic characters shown in FIG.
Each time you operate , the display contents change in the order of A→B--1→2→blank→(point)→0→1→9→A---.

13 is an electronic clock that has functions such as automatically correcting leap years and month-ends when set to -degrees. 14, a mode changeover switch 109 is a control circuit that inputs control command signals from the display digit selection switch 11 and correction switch 12 and time information from the electronic clock 13 to control the parking of the display 100.

FIG. 3(a) by the mode changeover switch 10.

When any of the display modes (b), (d), and (e) is selected, the segments of display elements 1 to 6 of the display device 100 are changed according to the display content based on the time information from the electronic clock 13. It lights up and the date or time of the selected display mode is displayed. In addition, when displaying any alphabet shown in FIG. 3(c), select the alphabet display mode with the mode changeover switch 10, select the display digit with the correction digit selection switch 11, and then switch the correction digit as described above. 12, the desired display content is switched and displayed.

As described in detail of the G9 invention, according to the present invention, three sets of display elements having the minimum segment configuration, that is, display elements of 4 to 6 segments and Union Jack display elements of 12 to 15 segments, are used. Since the predetermined date and time and arbitrary alphabets are displayed, the parking control circuit is simplified and the number of wires between the display and the control circuit is reduced.

[Brief explanation of the drawing]

Fig. 1 is a diagram showing a display device according to the present invention, Fig. 2(a)
2(bl) is a diagram showing the segment configuration of a 7-segment display element, FIG. 2(bl) is a diagram showing a 15-segment display element, and FIG.
Figures (a) to (e) are diagrams showing the display format of the display unit.
Figure (a) shows "February 2018.
) is any three letters of the alphabet, and Figure 3(d) is “
Figure 3(e) shows "Monday September 2nd year" and Figure 3(e) shows "Sunday September 2nd year". Figure 4 is a diagram showing the characters to be displayed on each display element of the display and the number of segments required, Figure 5 is a diagram showing an example of displaying alphanumeric characters by a 12-segment display element, and Figure 6 is a diagram showing how to drive the display. FIG. 2 is a block diagram of a display device to be controlled. 1. 3, 5 near segment display element 2. 4. 6: 15 segment display element 100: Display device

Claims (1)

[Claims] At least three sets of two-digit display units for the ones digit and the tens digit are arranged in parallel to display "year, month, day,""month, day, year,""day, month,
A display that can switch and display "Year", "Day, Hour, Minute" and any three alphabetic characters, the 1's digit of each display section has 12 to 15 segments and can display alphanumeric characters. a display element, the tens digit of each display section has 4 to 6 segments, 1, 2, 3 segments;
, 4, 5, and 9 are display elements capable of displaying a display.