RU2426175C1 - Century calendar - Google Patents

Abstract

FIELD: personal use articles. ^ SUBSTANCE: calendar comprises a shell made of two sheets of paper and an insert inserted into this shell. The front side of the shell comprises windows for dates of twelve months of a year. On the reverse side of the shell there are slots for two last figures of the year, which correspond to a calendar installed with the help of an insert. The insert at the front side comprises dates of months, and at the reverse side - tables of the last figures of years. Insert displacement produces a calendar for any selected year, which does not differ much in appearance from a regular yearly calendar. ^ EFFECT: simplification and increase of usage convenience. ^ 5 dwg

Description

The present invention relates to the field of chronology and computer engineering and can be used in everyday life as a time sheet for any year.

There are many options for eternal and perennial calendars. Common to them is that with the help of additional calculations or additional tables, the structure of the selected month of the selected year or the structure of the calendar-sheet of the selected year containing all months is selected.

Known, for example, is a calendar (US Pat. No. 2242801, MKP G09D 3/00, published on December 20, 2004) containing tables of centuries and years, as well as a horizontal memo of years made from numbers covering all 28 variants of years. Mentioned tables allow you to determine the desired option from a set of 14 calendars (7 for leap years and 7 for non-leap years).

A well-known calendar (US Pat. No. 2259599, MKP G09D 3/00, published on 08.27.2005) containing tables of indexes of the groupings of years and a set of calendars corresponding to these groups. Using the above tables, the appropriate grouping of years is selected.

The above types of calendars and other calendars not mentioned here use many auxiliary tables and are therefore not convenient for practical use.

More simple in design and closer to the proposed calendar is a calendar (US Pat. No. 2128368, MKP G09D 3/00, publ. 03/27/99), containing a plate on which are located 12 months of the year. In the axial part of the plate are variants of the days of the week, indicated by numbers from 1 to 7, and on the left and right, months, indicated by numbers from 1 to 12. Moreover, in the first month with number 1, the date of the first day of the first month is located in the first line. The first and second months of a leap year are combined with the 1st and 7th months of a leap year, respectively. At the bottom of the calendar to the left and to the right of the days of the week are the last two digits of the numbers of the year, and above and below are the first two digits of the year for the Gregorian and Julian calendars.

The inconvenience of using the calendar is that the first line of the month does not correspond to Monday, as in a regular time sheet, but to a particular day of the week, depending on the selected year.

When creating the proposed calendar, the task was to simplify the design of the calendar and simplify the use of the calendar, for which the general view of the calendar should be as close as possible to a regular calendar, designed for one year.

The advantage of the proposed calendar is that the calendar contains an outer shell made of two sheets of paper, and an insert inserted into this shell. Offset liner allows you to set the desired year. In the variant considered below, the insert allows you to set any year in the range from 1950 to 2050. The design also allows you to increase the range of the calendar to three centuries. It is also possible to use several interchangeable inserts for different centuries.

The front side of the shell of the proposed calendar contains windows for twelve months of the year (figure 2), and for January and February, two windows stand out: a window for a leap year and a window for a non-leap year. The window for February of a leap-free year is combined with the window for March, and for February of the leap-year is combined with the window for August. This is due to the fact that the calendars of the indicated months differ only in the number of days. The latter fact is taken into account in the design of the liner. As a result, we get 12 windows in which the corresponding month is viewed, the numbers of which are located on the insert.

You can not do this combination. In this case, the calendar will not contain 12, as in FIG. 1, but 14 monthly tables.

The insert for the considered combination of months contains on the front side 6 columns of the days of the months (Fig. 3), and in the second column in the upper part after the number 28, and in the lower part after the number 29, restrictive lines are set for February of the non-leap year and for February of the leap year . On the back of the liner is a table (figure 4), consisting of two parts. The upper part of the table corresponds to the second half of the 20th century, and the lower part of the table corresponds to the first half of the 21st century. The table contains the last two digits of the respective years. The first two digits of the year (19 and 20) are located on the back of the shell (figure 5) to the left of the slot in which the rows of the table located on the back of the insert are viewed.

The structure of the table in figure 4 obeys the following requirements. The first half of the table begins in 1950. It corresponds to the first element of the fifth row, that is, the number 50. Next, go to the previous row of the first column. The number 51 is located in it. Above is the & sign, meaning that the next 1952 is a leap year. The installation of this sign is due to the fact that in a non-leap year, as you know, contains 365 days, that is, 52 weeks plus one day. It follows that the calendar for the next year shifts by one day of the week, that is, if the first of January of the previous year is Monday, then the first of January of the next year is Tuesday. This is the reason for the mixing of the following year by one position. The number of days in a leap year is one more. Accordingly, the insert should not shift one, but two lines. As a result, the number 52, corresponding to 1952, is located in the second line. The first line contains the number 53. After the first line, go to the last seventh line. Next, go to the sixth line. Then we go to the fifth row in the second column, etc. up to the ninth column. The structure of the second half of the table, which begins with the year 2000, is similar (digits 00 in the fifth row of the first column).

Using the structural features of the table in Fig. 4, it can be continued by the same principle, that is, the number 51 in the fifth row of the tenth column of the second half of the table, the number 52 in the fourth, etc. Similarly, in the first (upper) half of the table, you can add columns with numbers less than 50 on the left.

It is easy to see from figure 5 that the dimensions of the liner can increase by 3 times the number of columns. Accordingly, the proposed design allows you to place on the liner years of three centuries. It should be noted that the structure of the table in FIG. 5 is repeated through 5 columns. The next five columns differ from the previous ones by an increase in the values of years by 28 years. Using this feature, you can easily continue the table shown in figure 5 in any direction.

It is permissible to offset the outer sides of the rectangles in Figures 2, 3 and 5. For example, in figure 2, the left side of the rectangle is located close to the inner windows. It is advisable to move it to the left. Accordingly, the right side of the frame should be shifted by the same distance to the right, the same applies to the left side of the frame in figure 3 and the right side of the frame in figure 5. For the convenience of biasing the liner, you can also shift the lower side of the frames in figure 3 and 5.

With these changes, the following requirements must be maintained:

1) after connecting the front and back sides of the shell, the slots of the back side of the shell should be located at the middle of the windows of the front shell (at the level of the inscription “Thu”);

2) the beginning of the bottom line of the front side of the liner should be located at the left edge of the lower window of the shell corresponding to January of the leap year, and the beginning of the lines of the back side of the liner should be located at the left edge of the slots;

3) the first row of the table on the back of the liner should be located at the level of the fourth row of the front side of the liner.

Claims (1)

A century-old calendar, characterized in that it consists of a shell and an insert inserted into it, the shell containing on the front side 12 rectangular windows for dates of 12 months, and on the back two slots in which the last two digits of the years are visible, the insert on the front side contains 6 columns with dates of months, and on the back there is a table with the last two digits of years.

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