JPS5840186B2 - electronic clock with calendar - Google Patents

Description

[Detailed description of the invention] The present invention relates to an electronic timepiece with a calendar.

In conventional electronic watches with calendars that display the dates of one month according to the Seven Days of the Seven Days, for example, a date table for one month is fixedly displayed in a matrix of 5 rows and 7 columns. Days of the week are displayed corresponding to each of the seven columns (for example, "Sunday", "Monday", "Tuesday", etc.)
...and "S""M""T"...
etc.), and mechanically rotates or slides the day of the week display board for each month so that the corresponding day of the week display corresponds to each of the dates in the seven columns. , place an indicator light on each column of dates arranged in 7 columns as above, turn on the indicator light above the column that corresponds to the Sunday of the month, and confirm that the date in that column is a Sunday. , the date of evening 1j on the right is Monday...
. . . etc., and so on.

In these traditional structures, the column number for Sunday is
Although it varies depending on the month, a normal calendar always has the Sunday date lined up on the left edge, giving the impression that the calendar of the conventional calendar watch mentioned above is very difficult to read.
In rare cases, they were even mistaken.

In view of the above, the present invention has been made to provide an electronic timepiece equipped with a calendar display in which Sunday's date is always located in the leftmost column of the date display.

The present invention will be explained in detail below using examples shown in the drawings.

1 to 4 show an embodiment of the present invention.

First, the display mode of this embodiment will be shown, and then the circuit configuration for realizing the display mode and the operation of this circuit will be explained.

FIG. 1 is a segment configuration diagram of the display board 100 of the electronic watch of this embodiment, where 101 is a month display section (the character "month" is a fixed display) made up of, for example, a liquid crystal segment, and 102 is an rAMJ rPMJ display section. Consists of segments formed into character shapes.

AM/PM display section, 103 is the time display section, 104 is the segment rlJ r2J r3J...
・・・・・・It is formed in the character shape of “31” and the 7th line is in the first line.
The 13th column has "7" from "1", the second row has "14" from "2", and the third row has "21" from "9".
However, the 4th row has "28" instead of "16", the 5th row has 1st column to 9th column has "23" to 31, and the 6th row has 1st and 2nd columns. "30J" and "31J" are arranged respectively,
A seven-day table display section displays a seven-day table by displaying seven consecutive columns representing the calendar of this month out of the 13 columns, and 105 is a date indicator formed of, for example, a frame-shaped segment provided corresponding to each date. Department.

Reference numeral 106 denotes a day-of-the-day display section that is provided corresponding to the first column to the seventh column of the seven-day table display section 104 and is made up of, for example, "day"-shaped segments.

FIG. 2 is a diagram showing an example of the operating state of the above-mentioned display board 100, in which "November 17th 10:20 a.m." is displayed, and
Calendar of January, that is, the 1st is Tuesday and the 2nd is Wednesday...
......It shows that the 30th is Wednesday.

The 31st day display section 104-31 of the Seven Days of the Month display section 104 is suppressed since the 31st day of November is up to the 30th.

In this way, the Seven Days table display section 10 is arranged in 6 rows and 13 columns.
By displaying seven consecutive columns of 4, it is possible to display a seven-day table in which Sunday's dates (in this figure, 6.13.20.27) are always at the left end of the display.

In addition, during November, the month display section 101 and the Seven Days table display section 10
4 does not change.

However, when the month turns to December, the month display section 101 shows "11".
At the same time, the display on the Seven Days display section 104 shifts five bits to the right.

However, in the example of FIG. 2, if you shift 2 pits to the right, the right end will be used, so at the next pit, it will move to the left end, advance 2 bits, and change to the display mode where the third to ninth columns are displayed.

In other words, the display mode is such that it can be intuitively understood that the days 4, 11, 18, and 25 in the third column are Sundays in December.

In this way, in this embodiment, it is intuitively clear that the leftmost date in the displayed Seven Days Table is Sunday, but as shown in the figure, the week of the month is displayed above the Sunday date. Part 10
If you display the 6th day character, it will be easier to understand that the date of the negotiation is Sunday.

FIG. 3 is a simplified schematic diagram for explaining the electrical connection state of each date portion of the seven days of the year display section 104.

As shown in this figure, in the first to sixth columns, the second to fifth rows of each column are connected together, and the seventh to first columns are connected together.
In the three columns, the first to fourth rows of each column are connected together.

In addition, the 5th line shows 299 days 104-29.300 days shows 104-30.31 days display part 104-31, and the 6th line shows 300 days 10430', 31 days display part 104-
31' are independent.

In this way, the display section 104-29 on 29.30.31.
104-30.104-30.

By independently controlling 104-31.104-31, the date of unnecessary days in the month (for example,
1 day) can be suppressed.

Next, the circuit configuration of this embodiment will be explained using FIG.

1 is a reference pulse generator, 2 is a frequency divider, and 2a is the output of the frequency divider, which is an IHz signal.

3 is a second counter, 4 is a minute counter, 5 is an hour counter,
6, 7°, 8.9, and 10 are decoders for seconds, middle seconds, minutes, middle minutes, and hours, respectively.

The time counted by the minute counter 4 and the hour counter 5 is determined by the decoder 8, 9.10 and the mode switching and driver circuit 1.
1 on the time display section 103 as shown in FIG.

Further, minutes and seconds can be displayed on the time display section 103 by switching the mode of the mode switching driver circuit using the mode switching switch S4.

The output 5a of the hour counter 5 is sent to the
The weekly signal output 14a of the day counter 14 is transmitted to the row counter 15, which is a 5-bit shift register.

37 is a month counter that counts a force signal 506, which will be described later, via a fast forward circuit 36, and the contents of the month counter 37 are displayed on the month display section 101 via a month decoder 38.

Reference numerals 12 and 13 are respectively fast-forward circuits for 0 o'clock, and switches S2, S3 and S5.8, including other fast-forward circuits, respectively.
6 is written as 0 (logical value 0 is written as 0).

) to fast forward. In addition, the switch S1 is for resetting the seconds, and the switch S1 is
The second counter 3 can be reset by setting it to the 0" side.

The configuration up to this point is well known from the past.

Next, a circuit for displaying the date will be explained.

The circuit for displaying the date consists of a day counter consisting of a 7-bit shift register, a week counter 15 consisting of a 14.5-bit shift register, a date position switching circuit 16, an X-axis driver 11, and a Y-axis driver 18.

The date number 5a output from the hour counter 5 is applied to the day counter 14 via a logic circuit 21 for fast forwarding.

The one week signal 14a from the day counter 14 is input to the week counter and is also input to the day counter 1 via the OR gate 19.
It is applied to the reset terminal of No. 4.

The week counter 15 shifts and counts by one every week, and the day counter 14 is reset every week.

In this way, the X-axis is selected by the day counter 14 and the Y-axis is selected by the week counter 15. However, except for the 7th column, there are two positions of the same date, and it depends on the position of Sunday of the month. One of the two positions is selected.

For example, the 3rd day is expressed in (X-Y) coordinates as (1, 9) and (
Positions (1, 9) are selected when Sunday is in the 3rd column or later, and positions (2, 2) are selected when Sunday is in the 1st or 2nd column. Selected only if

If one is expressed as (Xl, Yl), the other is (X1+1.Y
1-7), the date position switching circuit 16 is a circuit that switches these date positions according to the position of Sunday.

The position signals selected in this way are transmitted to the X-axis driver 17, Y-axis driver 17,
The signal is applied to the date indicator 105 through the shaft driver 18, and the frame of the selected date position lights up.

In order to carry out the above-mentioned control, the date position switching circuit 16 receives signals 34a, . ing.

Next, a circuit related to the seven day table display will be explained.

This circuit includes a month-end determination circuit 50, a seven-day table control read-only memory (hereinafter referred to as seven-day ROM 5'), a shift pulse generation circuit 52, a Sunday register 32 consisting of a 7-bit shift register, a Sunday driver 33, and a Sunday display section 106.
, a seven-day table decoder 34, a seven-day table driver 35, and a seven-day table display section 104.

The end of the month determination circuit 50 counts the white signals 21a while
Enter the contents of the month counter 37, for example, enter the month counter 3.
If the content of 7 is "11", the 30th is detected, and when it reaches 30, it outputs a force signal 50b, and at the same time outputs a signal 50a30 informing that the small month (month up to the 30th day) has ended.

In addition, when the dog month (31st month) ends, signal 5
Similarly, when 0a31 ends on the 28th and 29th of the month, signals 50a28 and 50a29 are output and input into the Seven Days ROM 51, respectively.

Seven days ROM51 is force signal 50a28.50a29゜50
Signals 51a, 5 are input by a30 or 50a3'l.
1b and 51c are transmitted to the shift pulse generation circuit 52, and signals 28a and 29, which will be described later, are transmitted from the shift pulse generation circuit 52.
a, 30a, the corresponding signals 51a, 51b, 51c
stops (that is, all become "0").

The shift pulse generation circuit 52 is controlled by the outputs 51a, 51b, and 51c of the Shichiyo ROM 51 by the signal 50a31, and transmits four pulses to the Shichiyo register 32 by the signal 26a, and similarly when outputted to the signal 50a30 or 50a29, respectively. This circuit transmits five or six pulses and does not output a pulse when the signal 50a28 is output.

Next, this circuit will be explained.

Note that the signal 2b input to the circuit 52 is a pulse for changing the seven-day table of frequency 64H2, which is output from the middle of the frequency divider 2, for example.

Output signal 51a of Shichiyo ROM51. 5 l b > 5
1 c is the monthly signal 50a28゜50a29.50a3
It is output in response to the signal 0.50a31, but when the signal is based on the signal 50a31, the signals 51 a and 5 l
“1” “0” “1” in the order of b, 51 c, signal 50a
30, “l〃”0”“0”, signal 50a29
(corresponding to February of a leap year) “0” “1”
“0”, “0” “O” “0” when signal 50a28 is used
“is.

These signals 51a, 51b, and 51c open and close AND gates 22, 23, 24, and 25, and signal 2b is input to one of the 4-bit shift register 28, 5-bit shift register 29, or 6-bit shift register 30, and The Shichiyo ROM is reset by the output 28a of the shift register 28, the output 29a of the shift register 29, or the output 30a of the shift register 30, and the signals 51a, 5
Cut off the outputs of 1b and 51c.

For example, if we consider the case where "October" changes to "November", the force signal 50a31 is output because October has 31 days, and due to this signal, the signal 51a and signal 51c output "
1", and "0" is output from the signal 51b.

Therefore, the signal 51a turns on the AND gate 24, and the signal 21c turns on the AND gate 22.
The 64Hz signal 2b is applied to a 4-bit shift register 28.

When the signal 28a is output from the shift register 28, the shift register 28 is reset by this signal, and the signals 51a,
Since both signals 51b and 51c become "0", the four pulses output from the signal 2b are transmitted to the Sunday register 32 via the ORKATE 26.

In this way, when the Sunday register 32 receives, for example, four pulses, the register 32 advances by 4 bits, and the Sunday display in the Sunday display section 106 is shifted to the right by 4 bits via the driver 33.

At the same time, the seven-day table display section 104 also has a seven-day table switching circuit 34,
It is shifted to the right by 4 bits via the driver 35.

29.30, 31st display section 104-29, 10430.
104-30', 104-31.10431' are not displayed if the date is not in this month, depending on the contents of the month register 37.

The force signal 50b is guided to the month counter 37 via the month fast forward circuit 36, and also resets the week counter 15 and the day counter 14 via the OR gate 19, thereby changing the instruction of the date indicating section 105 to " Return to "1 day".

In the above embodiment, only Sunday is displayed as the day of the week, but for example, as shown in FIG. By arranging the ``earth''-shaped segments corresponding to the 8th to 13th columns, and the ``rice''-shaped segments corresponding to the 7th column, Figure 6 shows the operating state of the embodiment. It is possible to display Sunday and Saturday as in

However, in the above embodiment, an example was explained in which the dates of the Seven Days of the Month display section 1040 are arranged so that "1st" is placed in the 7th column. (y-7)
If the column elements (1 x x 5, g x 13) are the same date, they may be arranged so that "1st" is in another column.

As a special example, when "1st" is placed in the 1st row and 13th column, "31st" appears in the 7th row and 1st column, resulting in an arrangement spanning 7 rows.

As described above in detail, the present invention provides an electronic clock with a convenient and easy-to-read calendar in which Sunday's date is always displayed in the leftmost column of the seven-day table.

[Brief explanation of the drawing]

FIGS. 1 to 4 are diagrams explaining one embodiment of the present invention,
1 and 2 are plan views of the display board 100 of this embodiment,
FIG. 3 is a connection diagram of a seven-day table display section, FIG. 4 is a circuit diagram of this embodiment, and FIGS. 5 and 6 are plan views of main parts of other embodiments of the display board. 100: Display board, 104: Seven-day table display section, 105: Date indicating section, 32: Sunday register, 34: Seven-day table decoder, 3
5: Seven day table driver.

Claims (1)

[Claims] 1. In an electronic clock with a calendar that displays the seven-day table for the month, the dates for approximately the last two cycles are expressed as the Xth row, Yth column element and the
+1) a date display section arranged in 13 columns so that the elements in the row and column (Y-7) have the same date, and in the same row, the date increases by one day from left to right; A Sunday display section is provided corresponding to at least the first column to the seventh column of the date display section, and the date display section and the Sunday display section are fixedly arranged, and the day of the day is set according to the month to be displayed. It is characterized by comprising means for selectively driving and displaying one of the display sections and seven consecutive columns of date elements on the right side of the date display section including the column in accordance with the one Sunday display. An electronic clock with a calendar.