JPH10282255A - World time dial - Google Patents

Abstract

PROBLEM TO BE SOLVED: To tell the time of main cities in the world with a simple and inexpensive configuration by writing the names of main cities in the world on a display disk material where a world map is drawn and at the same time providing a window at a required part corresponding to a circumferential timetable and associating a time numeric being displayed with the time of the main cities in the world. SOLUTION: A reverse side disk material is formed in a circular shape by a plate material such as a thick paper and plastic with a radius that is equivalent to that of a front disk material. Also, first to eighth circumferential timetables where time numbers 1-24 are arranged circumferentially are written on the reverse side disk 2 while its radius differs. The first to eighth windows 11-18 are provided on the display disk material so that the time numbers of the first to eighth circumferential timetables can be displayed when a front disk material is overlapped to the reverse side disk material, at the same time a line connects main cities on a world map to the first to eighth window edges 11-18, the time numbers located at the tip indicate the time of the city, and the time of the main cities in the world can be easily known simply by matching the time of a reference country.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a world time dial which is capable of instantly determining the time of a major city in the world with a simple material using inexpensive materials.

[0002]

2. Description of the Related Art In recent years, internationalization has progressed in various industries, and communication with the whole world is frequently performed. When making a telephone call or the like, it is necessary to know the time of major cities around the world based on Japan time.

With the necessity, for example, Japanese Utility Model Application Laid-Open No. 62-1
No. 76780 discloses a world clock. This world clock has a clock mechanism attached to the dial with a world map centered on the North Pole.A dial for regional display is attached to the dial so that it can be slip-rotated, and the pointer rotates according to the rotation of the earth By doing so, the time of each country in the world can be understood.

[0004]

However, the above-mentioned world timepiece tends to be expensive because it has a timepiece mechanism. Normally, time recognition based on city names is required, such as "Japan is at X time, but what time is San Francisco". There is a problem in that it is not possible to immediately know the time of the city that the user wants to know because it is such as grasping. Further, since the world map centered on the Arctic is not well known, the locations of major cities are difficult to understand, and the function of the world clock may not be fully exerted.

[0005] The present invention has been proposed in order to cope with such a situation, and has as its object to provide a world time dial with a simple and inexpensive configuration that can determine the time of major cities in the world.

[0006]

In order to achieve the above object, the present invention provides a table disk material on which a world map is drawn, a first circumferential time table, a second circumferential time table,... A world time dial having a structure in which an n-circle time table has a back disc material described with a different radius, and the front disc material is rotatably superimposed on the back disc material, In the above table disk material, the names of the world's major cities are written, and windows are provided at required places corresponding to the above n circumferential timetables, and the time figures displayed from the windows are: It is characterized by being configured to correspond to the time of major cities in the world.

[0007] The world map is characterized in that it is a map that is developed vertically and horizontally with the equator as a reference line. Further, the window is formed in a long hole shape.

[0008]

According to the first aspect of the present invention, the back disk is rotated while the front disk is superimposed on the back disk, and the time of the city in the reference country is adjusted to the current time. Then you can see the time of other major cities at a glance. For example, if the time of Japan is displayed in the third window,
When the third circumferential time table written on the back disc material is adjusted to the current time in Japan while rotating the back disc material, the time of New York and Washington is displayed in the second window.

According to the second aspect of the present invention, the world map described on the front disk material is expanded vertically and horizontally with respect to the equator as a reference line, so that a familiar world map is obtained. The location of the main city can be immediately known, and the time can be quickly grasped.

Further, according to the present invention as set forth in claim 3,
By making the window a long hole, when the numbers on the circumferential time table described on the back disc material are displayed on the window, the numbers before and after the numbers are also displayed, so that the time can be easily set. Further, by making the window a long hole, the time of a nearby city can be displayed on one window.

[0011]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is an explanatory view of a front disc material 1 of the present embodiment, and FIG.
FIG. 3 is an explanatory view of the back disk member 2, and FIG. 3 is a state diagram in which the front disk member 1 is superimposed on the back disk member 2.

As shown in FIG. 1, a front disk 1 is a circular plate made of a plate material such as cardboard or plastic.
On the surface, a world map that is developed vertically and horizontally with the equator as the reference line is depicted. The major cities of each country are marked on the world map. In this way, by entering major cities on a familiar world map that is commonly seen by the general public, a city can be easily found and the time of that city can be known. The positional relationship becomes clear.

As shown in FIG. 2, the back disk member 2 is also made of a plate material such as cardboard or plastic, like the front disk member 1, and is formed in a circular shape having the same radius as the front disk member 1. ing. In addition, 1
The first, second and third circumferential time tables 21, 23, 23,. Have been described.

As shown in FIG. 1, when the front disk 1 is overlaid on the back disk 2, the time numerals in the first to eighth circumferential time tables are displayed on the front disk 1. In order to be displayed, on the orbit of the first to eighth circumferential timetables, and
The first window 21 and the second window 2 are located near the main cities, respectively.
2, a third window 23... An eighth window 28 are provided. The windows are arc-shaped long holes formed along each of the circumferential timetables. Further, on the world map, a line is connected from the main city to the window edge of the windows 21 to 28, and the time numeral located at the end of the line indicates the time of the city. The cities at the same time are connected by a single line, and the line is extended to the window edge of the windows 21 to 28 so that the time numeral located at the end of this line indicates the time of those cities. Here, by making the window a long hole,
When the numbers on the circumferential time table described on the back disk 2 are displayed on the window, the numbers before and after the numbers are also displayed.
It is easier to set the time. In addition, by making the window a long hole, the time of a plurality of neighboring cities can be displayed on one window.

Then, as shown in FIG. 3, the front disc material 1 is superimposed on the back disc material 2 described above, and the centers thereof are rotatably connected to each other by a pin or the like. Then, the back disc member 1 is rotated to adjust the time of the reference city to the current time.
For example, if the time of Japan displayed on the fourth window 14 is 5
When the time is set, the time of Moscow displayed in the first window 11 is 23:00, and the time of Los Angeles, San Francisco, and Vancouver displayed in the second window 12 is 12:00. Thus, by adjusting the time of the reference city, the time of major cities in the world can be understood at a glance.

Although not shown in the drawings, summer time in the United States may be displayed so that the time in the United States in summer can be known.

[0017]

As described above, according to the world time dial of the present invention, the time of major cities in the world can be known at a glance simply by adjusting the time of the reference country. That is, since the world map is depicted on the front disk material, it can be used as a world map whose time is known. In addition, since it is inexpensive and has a simple structure, it can be manufactured at low cost and can be used as a novelty product such as insurance. Furthermore, since the cost of the world time dial of the present invention is low, the total cost is relatively low even if a clock mechanism is added thereto.

According to the second aspect of the present invention, the world map described on the front disk material is expanded vertically and horizontally with respect to the equator as a reference line, thereby providing a familiar world map. The location of the major cities can be immediately identified, and the time can be quickly grasped.

Further, according to the third aspect of the present invention,
By making the window a long hole, when the numbers on the circumferential time table described on the back disc material are displayed on the window, the numbers before and after the numbers are also displayed, so that the time can be easily set. Further, by making the window a long hole, the time of a nearby city can be displayed on one window.

[Brief description of the drawings]

FIG. 1 is an explanatory diagram of a front disk material according to an embodiment of the present invention.

FIG. 2 is an explanatory diagram of a back disk material according to the embodiment of the present invention.

FIG. 3 is an explanatory diagram of a state in which a front disc material and a back disc material are overlapped.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Front disc material 11 1st window 12 2nd window 13 3rd window 14 4th window 15 5th window 16 6th window 17 7th window 18 8th window 2 Back disc material 21 1st circumference timetable 22 2nd Circular time table 23 3rd circular time table 24 4th circular time table 25 5th circular time table 26 6th circular time table 27 7th circular time table 28 8th circular time table

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[Procedure amendment]

[Submission date] May 1, 1998

[Procedure amendment 1]

[Document name to be amended] Drawing

[Correction target item name] All figures

[Correction method] Change

[Correction contents]

FIG.

FIG. 2

FIG. 3

Claims (3)

[Claims] 1. A table disk material on which a world map is described, and a first circumferential time table, a second circumferential time table,..., An n-th circumferential time table are described with different radii. A world time dial having a back disk material and a structure in which the front disk material is rotatably superimposed on the back disk material, wherein a name of a world major city is written on the front disk material. At the same time, windows are provided at required places corresponding to the n circumferential timetables, and the time numbers displayed from the windows correspond to the times of major cities in the world. World time dial featuring. 2. The world map, with the equator as a reference line,
2. The world time dial according to claim 1, wherein the map is a map developed vertically and horizontally. 3. The universal time dial according to claim 1, wherein the window is formed in a long hole shape.