JP3212278U - Constellation quick-view board - Google Patents
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Abstract
【課題】観察者が自分の足元、地面の下に広がる星の場所や動きを認識可能とし、地上での場所、時刻と、星空全体との関連をバランス良く表示することができる星座早見盤を提供する。【解決手段】本体盤４と、本体盤４に対して回転可能とされた回転盤５とを備え、回転盤５に表示された星座が本体盤４の有する窓部６を介して視認されるように構成された星座早見盤において、回転盤５に設けられた月日の目盛と、本体盤４に設けられた時刻の目盛と、地球上での観察点から地中を通した星座が描かれた回転盤５と、を備え、月日の目盛と時刻の目盛を合わせると、その日その時刻での地中を通した星座が窓部６に表れる。【選択図】図３An object of the present invention is to provide a constellation quick reference board that enables an observer to recognize the location and movement of a star spreading under his / her feet and under the ground, and to display the relation between the location and time on the ground and the entire starry sky in a well-balanced manner. provide. A main body panel 4 and a rotating disk 5 rotatable with respect to the main body panel 4 are provided, and a constellation displayed on the rotating disk 5 is visually recognized through a window portion 6 of the main body panel 4. In the constellation quick-view board constructed as described above, the scale of the moon and date provided on the rotary board 5, the scale of the time provided on the main board 4 and the constellation passing through the ground from the observation point on the earth are drawn. When the scale of the month and day are matched with the scale of time, a constellation passing through the ground at that time of the day appears on the window 6. [Selection] Figure 3
Description
本考案は、星空を観察する際に用いられ、星の場所や星座の動きを理解するために用いられる星座早見盤に関するものである。 The present invention relates to a constellation quick reference board that is used when observing the starry sky and used to understand the location of stars and the movement of constellations.
星座早見盤は、星空を観察するための道具として知られ、一般的な星座早見盤は円盤型をしている。北半球用星座早見盤、南半球用星座早見盤、あるいは一枚の表と裏が北天と南天になっている南北天別星座早見盤がある。そして、本体盤とその本体盤に対して回転される回転盤とを備え、回転盤に表示された星座が本体盤の有する窓部を介して視認されるように構成される。 The constellation chart is known as a tool for observing the starry sky, and the general constellation chart has a disk shape. There is a constellation chart for the northern hemisphere, a constellation chart for the southern hemisphere, or a constellation chart for the northern and southern celestial constellations with the front and back sides of the sky. A main body board and a rotating board rotated with respect to the main body board are provided, and the constellation displayed on the rotating board is configured to be visually recognized through a window portion of the main body board.
星座早見盤は星図が描かれている回転盤（星図部、星図円盤）と水平線以下の部分を隠す本体盤（窓部、マスク円盤）の２枚の円盤よりなり、これらの円盤はハトメなどを用いて回転可能なよう同心に留められる。北半球用では星図の中心（円盤の中心）には必ず天の北極が位置する（北極星の位置とほぼ重なる）。 The constellation quick disc is composed of two discs, a rotating disc (star diagram part, star diagram disc) on which the star chart is drawn and a main body disc (window part, mask disc) that hides the part below the horizontal line. Used to be concentric so that it can be rotated. For the Northern Hemisphere, the celestial North Pole is always located at the center of the star map (the center of the disk) (it almost overlaps the position of the North Star).
南半球用では天の南極が中心となる。本体盤の開口部は、星図の中心を含む楕円形をしている。回転盤は観測緯度から見える天球を方位図法によって描いた星図である。見える星の赤緯の下限が緯度によって違い、観測緯度によって別々のものを用意する。 For the Southern Hemisphere, the celestial Antarctic is the center. The opening of the main body board has an elliptical shape including the center of the star chart. The turntable is a star map depicting the celestial sphere visible from the observed latitude using the azimuth projection. The lower limit of the declination of visible stars depends on the latitude, and prepare different ones depending on the observed latitude.
一般的な円盤型の星座早見盤において、北半球用の星座早見盤における窓部は、上側が北（北側の星空）、下側が南（南側の星空）、左側が東（東側の星空）、右側が西（西側の星空）となっている（天球の図のため地図とは東西が逆転している）。見たい星空の方角（例えば北）を向き早見盤のその方角（例えば「北」という表示）が記載されている部分が手前側になるように早見盤を持つ。 In a general disk-shaped constellation, the window on the northern hemisphere constellation is on the upper side (north starry sky), on the lower side is south (starry sky on the south side), on the left side is east (starry sky on the east side), and on the right side. Is west (starry sky on the west side) (east and west are reversed from the map because of the celestial sphere). The direction of the starry sky that you want to see (for example, north) is turned, and the portion of the rapid-viewing board (for example, the indication of “north”) is on the near side.
回転盤（星図円盤）の外周には月日の目盛、本体盤（マスク円盤）には時刻の目盛が印刷されている。観測している月日と時刻のそれぞれの目盛りを合わせると、その日その時刻の星空の様子が窓部に表れる。方角や日時などを合わせた状態のままで、これを頭上から空に向けてかざして星座を探すことができる。 The scale of the month and day is printed on the outer periphery of the rotating disk (star disk), and the time scale is printed on the main body disk (mask disk). When the scales of the observed date and time are combined, the starry sky at that time appears on the window. You can search for the constellation by holding the direction and the date and time while holding it over the sky.
また、南北天別星座早見盤は、北半球と南半球で同時刻の星空の様子を同時に表示するため、一枚の表と裏が北天と南天になっており、例えば、片面に北緯３５度で見ることのできる星空、もう片面には南緯３５度で見ることのできる星空を描いている。 In addition, the North and South Tensei constellation quick-view board displays the state of the starry sky at the same time in the northern and southern hemispheres at the same time, so the front and back of the sheet are north and south sky, for example, at 35 degrees north latitude on one side The starry sky that can be seen, and the starry sky that can be seen at 35 degrees south latitude are drawn on the other side.
さらに、頭上にかざして実際の星空を観察すると、星座の相対的な位置や動きを星座盤上で理解するのが難しい。特に、地球の自転によって、天球上の恒星やその他の天体が地球の周りを回るように見える見かけの運動である日周運動は、実際の星々の動きを注意深く観察しなければなかなか理解できない。 Furthermore, if you hold your head over the actual starry sky, it is difficult to understand the relative position and movement of the constellation on the constellation board. In particular, the diurnal motion, which is the apparent movement of stars on the celestial sphere and other celestial bodies that appear to move around the Earth due to the rotation of the Earth, is difficult to understand unless you carefully observe the movements of the actual stars.
北半球での日周運動は、全ての天体が天頂の周りを反時計回りに動くことになる。そして、北極星が天の北極とほぼ同じ方向にあるため、あまり動かないので、北天の周極星は天の北極の周りを反時計回りに動くことになる。 The diurnal motion in the northern hemisphere means that all celestial bodies move counterclockwise around the zenith. And because the North Pole is in the same direction as the celestial North Pole, it doesn't move much, so the North Pole will move counterclockwise around the celestial North Pole.
南半球での日周運動は、北半球での運動とは北と南、また左と右が入れ替わり、天の北極の代わりに天の南極が回転の中心となる。そして、南半球では周極星は天の南極の周りを時計回りに動く。 The diurnal motion in the southern hemisphere is north and south, and the left and right are interchanged with those in the northern hemisphere, and the celestial south pole is the center of rotation instead of the celestial north pole. And in the Southern Hemisphere, circumpolar stars move clockwise around the celestial South Pole.
特許文献１には、天の南極を中心に回転する南天星座盤と、天の北極を中心に回転する北天星座盤と、これら星座盤を同期して逆回転させる。そして、天頂を通って東西方向に延びる線で切って展開した形の窓から両星座盤を一覧させ、南北の星々の日周運動を容易に理解することが記載されている。 In Patent Document 1, a southern celestial constellation that rotates about the celestial south pole, a northern celestial constellation that rotates about the celestial north pole, and these constellations are rotated in reverse. And it is described that the constellation of both stars is listed from a window that is cut and expanded by a line extending in the east-west direction through the zenith, and the diurnal movement of the north and south stars is easily understood.
また、特許文献２には、使い方を理解し易くするため、星座早見盤に複数の方位表示部と、各方位表示部に対応した、イラストレーション又は説明文を表示することが記載されている。 Further, Patent Document 2 describes that a plurality of azimuth display units and an illustration or an explanation corresponding to each azimuth display unit are displayed on the constellation quick-view board for easy understanding of how to use.
通常、北半球用の星座早見盤における窓部は、北半球での観察者には水平線以下の星座が見えないので、水平線以下の部分を本体盤で隠している。したがって、観察者は自分の足元、地面の下に広がる星の場所や日周運動のような動きを認識できない。 Usually, in the northern hemisphere constellation screen, the constellation below the horizon cannot be seen by the observer in the northern hemisphere, so the portion below the horizon is hidden by the main body. Therefore, the observer cannot recognize movements such as his feet, the location of the stars spreading under the ground, and the diurnal motion.
また、北半球と南半球で同時刻の星空の様子を同時に表示する南北天別星座早見盤であっても、例えば、片面に北緯３５度で頭上から空に向けてかざして見ることのできる星空、もう片面には南緯３５度で頭上から空に向けてかざして見ることのできる星空を描いているので、北天をある時刻に合わせると裏面は地面の下に沈んだ星座を表すことにはならない。更に言えば、南北天別星座早見盤は、北緯３５度で地面を見たとき、地面を通した向こう側（南緯３５度の空）に位置する星座を表すものではない。 In addition, even in the northern and southern hemispheres, the north-south celestial constellation screen that simultaneously displays the state of the starry sky at the same time, for example, a starry sky that can be viewed from overhead at an altitude of 35 degrees north on one side, On one side, it draws a starry sky that can be seen from above the sky at 35 degrees south latitude, so when the north sky is set at a certain time, the back side does not represent a constellation that sinks under the ground. Furthermore, the North and South Tenbi constellation quick-view board does not represent a constellation located on the other side through the ground (the sky at 35 degrees south latitude) when the ground is viewed at 35 degrees north latitude.
同様に、特許文献１に記載のものは、パノラマ状に展開した状態で表示することにより、南北の星々の日周運動を理解できるが、北天をある時刻と同時刻での地中を通した星の位置が分かるものではない。 Similarly, the one disclosed in Patent Document 1 can understand the diurnal movement of the north and south stars by displaying it in a panoramic state, but it passes through the ground at a certain time at the same time. The position of the star is not understood.
さらに、特許文献２に記載のものは、星座早見盤を持ったときの目線において、各方位を合わせるのに、例えば地表のイラストレーションを本体窓に表示するに過ぎず、地上と星空との関連が分かるものはない。 Furthermore, the one described in Patent Document 2 merely displays an illustration of the earth's surface on the main body window, for example, in order to align each direction on the line of sight when holding the constellation quick-view board, and there is a relationship between the ground and the starry sky. There is nothing to understand.
本考案は、上記従来技術の課題を解決し、観察者が自分の足元、地面の下に広がる星の場所や日周運動のような動きを認識可能とする。そして、観察者の地上での場所、時刻と、星空全体との関連を知るようにバランス良く表示することにある。 The present invention solves the above-described problems of the prior art, and enables the observer to recognize his / her feet, the location of a star spreading under the ground, and movements such as diurnal motion. And it is to display in a well-balanced manner so as to know the relationship between the place and time on the ground of the observer and the entire starry sky.
本考案は、本体盤と、該本体盤に対して回転可能とされた回転盤とを備え、前記回転盤に表示された星座が前記本体盤の有する窓部を介して視認されるように構成された星座早見盤において、前記回転盤に設けられた月日の目盛と、前記本体盤に設けられた時刻の目盛と、を備え、前記回転盤は地球上での観察点から地面を透過した下側に位置する星座が描かれた地面側回転盤であり、前記本体盤を地面側本体盤とし、前記地面側本体盤の前記窓部を地面側窓部とすると、前記月日の目盛と前記時刻の目盛を合わせると、その日その時刻での地中を通した星座が前記地面側窓部を介して視認されるものである。 The present invention comprises a main body board and a rotating board that is rotatable with respect to the main body board, and the constellation displayed on the rotating board is configured to be visually recognized through a window portion of the main body board. The constellation quick-view board comprises a scale of the date provided on the rotating board and a time scale provided on the main board, and the rotating board penetrated the ground from an observation point on the earth. A ground-side rotating board on which a constellation located on the lower side is drawn, wherein the main body board is a ground-side main body board, and the window part of the ground-side main body board is a ground-side window part, When the time scales are adjusted, a constellation passing through the ground at that time of the day is visually recognized through the ground side window.
また、前記回転盤に宇宙の科学データである宇宙マイクロ波背景放射マップを描くこともできる。 In addition, a space microwave background radiation map, which is scientific data of the universe, can be drawn on the rotating disk.
さらに、前記地面側窓部に前記観察点から透視した地面下の地図を描いても良い。 Further, a map below the ground seen through the observation point may be drawn on the ground side window.
さらに、前記地面下の地図を透明シートに描いたことが望ましい。 Furthermore, it is desirable to draw the map under the ground on a transparent sheet.
さらに、地球上での観察点から空を見上げたときの星図が描かれた空側回転盤と、前記空側回転盤に対して水平線以下の部分を隠すように空側窓部が開けられた空側本体盤と、を備え、前記月日の目盛と前記時刻の目盛を合わせると、その日その時刻での星空を見上げた様子が前記空側窓部を介して視認されることが望ましい。 In addition, the sky side turntable on which the star map when looking up at the sky from the observation point on the earth was drawn, and the sky side window part was opened so as to hide the part below the horizontal line with respect to the sky side turntable It is desirable that when the scale of the month and day is matched with the scale of the time, the state of looking up at the starry sky at that time of the day is visually recognized through the sky side window.
さらに、前記空側本体盤、前記空側回転盤、前記地面側回転盤、前記地面側本体盤が順に同心となるように重ね合わせられ、前記月日の目盛は前記空側回転盤の外周に、前記時刻の目盛は前記空側本体盤に設けられたことが望ましい。 Furthermore, the empty side main body board, the empty side rotating disk, the ground side rotating disk, and the ground side main body board are stacked in order so as to be concentric, and the scale of the date is on the outer periphery of the empty side rotating disk The time scale is preferably provided on the empty body panel.
さらに、前記空側本体盤及び前記空側回転盤による空側の星座早見盤と、前記地面側回転盤及び前記地面側本体盤による地面側の星座早見盤とが直角に結合され、前記空側回転盤と前記地面側回転盤との外周に一対のかさ歯車を設け、前記空側回転盤と前記地面側回転盤とが同期して回転することが望ましい。しかしながら、もちろん完全な直角である必要は無く、視認しやすいほぼ直角な角度であれば望ましいが、０°より大きく９０°以下の角度であれば良い。 Furthermore, the sky side constellation board by the sky side main body board and the sky side turn board and the ground side constellation face board by the ground side rotation board and the ground side body board are coupled at right angles, and the sky side It is desirable that a pair of bevel gears be provided on the outer periphery of the rotating disk and the ground-side rotating disk so that the empty-side rotating disk and the ground-side rotating disk rotate in synchronization. However, of course, it is not necessary to have a perfect right angle, and an almost right angle that is easy to visually recognize is desirable, but an angle that is greater than 0 ° and not greater than 90 ° may be sufficient.
さらに、前記空側本体盤及び前記空側回転盤による空側の星座早見盤と、前記地面側回転盤及び前記地面側本体盤による地面側の星座早見盤とが平面的に結合され、前記空側回転盤と前記地面側回転盤との外周に一対の平歯車を設け、前記空側回転盤と前記地面側回転盤とが同期して回転することが望ましい。 Further, the sky side constellation board by the sky side main body board and the sky side turn board and the ground side constellation face board by the ground side rotation board and the ground side body board are coupled in a plane, and the sky It is desirable that a pair of spur gears be provided on the outer periphery of the side turntable and the ground side turntable so that the empty side turntable and the ground side turntable rotate in synchronization.
さらに、前記空側本体盤を空に向けてかざした状態から左右に裏返して地面に向け前記地面側本体盤を見下ろした場合、前記回転盤に描かれた星座が前記地面側窓部を介して視認されることが望ましい。 Further, when the sky-side main body panel is turned up and down from the state where it is held up to the sky, when looking down on the ground-side main body board toward the ground, the constellation drawn on the rotating board is placed through the ground-side window section. It is desirable to be visually recognized.
さらに、前記空側本体盤を空に向けてかざした状態から上下に裏返して地面に向け前記地面側本体盤を見下ろした場合、前記地面側回転盤により地中を通した星座が前記地面側窓部に表れることが望ましい。 Further, when the sky-side main body panel is turned upside down from the state where the sky-side main body panel is held up and looked down at the ground-side main body panel toward the ground, a constellation passing through the ground by the ground-side rotating disk is the ground-side window. It is desirable to appear in the section.
本考案によれば、星座早見盤において、地球上での観察点から地中を通した星座が描かれた回転盤により、観察しているその日その時刻での地中を通した星座が窓部に表れるので、観察者が自分の足元、地面の下に広がる星の場所や日周運動のような動きを認識することができる。また、観察している場所で見えている星空と本考案の星座早見盤を合わせると全球すべての星を認識することができ、天球儀の中の半球を星空として見ていることを実感できる。 According to the present invention, on the constellation quick-view board, the constellation that passed through the ground at that time of the day of observation is displayed on the window by the rotating disk on which the constellation that passed through the ground from the observation point on the earth was drawn. Therefore, the observer can recognize movements such as his feet, the location of stars spreading under the ground, and diurnal motion. Also, if you combine the starry sky that you can see at the place you are observing with the constellation quick-view board of the present invention, you can recognize all the stars of the entire globe, and you can feel that you are viewing the hemisphere in the celestial sphere as a starry sky.
図１は、第一実施形態に係る星座早見盤の空側を示す平面図、図２は、星図が描かれている空側回転盤２を示す。図３は、星座早見盤の地面側を示す平面図、図４は、星図が描かれている地面側回転盤５を示している。星座早見盤は空側本体盤１と星図が描かれている空側回転盤２、地面側回転盤５と地面側本体盤４との四種類の円盤が重ねられ、空側回転盤２、地面側回転盤５は空側本体盤１及び地面側本体盤４に対して回転可能として同心に留められている。
ここで、空側回転盤２と地面側回転盤５とが、一枚の円盤の表面及び裏面となっている（例えば、表面が空側本体盤１で、裏面が地面側本体盤４）ことが好ましい。また、空側本体盤１と地面側本体盤４とは連結されており、空側本体盤１と地面側本体盤４との間に空側回転盤２と地面側回転盤５とが挿入される構造となっていることが好ましい。
FIG. 1 is a plan view showing the sky side of the constellation quick reference board according to the first embodiment, and FIG. 2 shows the sky side rotating board 2 on which the star chart is drawn. FIG. 3 is a plan view showing the ground side of the constellation quick-view board, and FIG. 4 shows the ground-side rotating board 5 on which the star chart is drawn. The constellation quick-view board is composed of the sky-side main board 1 and the sky-side rotating board 2 on which the star map is drawn, the ground-side rotating board 5 and the ground-side main body board 4 are stacked, and the sky-side rotating board 2 and the ground The side turntable 5 is concentrically fastened so as to be rotatable with respect to the empty side body board 1 and the ground side body board 4.
Here, the empty-side rotating disk 2 and the ground-side rotating disk 5 are the front and back surfaces of one disk (for example, the front surface is the empty main body panel 1 and the back surface is the ground side main body panel 4). Is preferred. Further, the empty side main body board 1 and the ground side main body board 4 are connected, and the empty side rotating board 2 and the ground side rotating board 5 are inserted between the empty side main body board 1 and the ground side main body board 4. It is preferable to have a structure.
空側本体盤１は、空側回転盤２に対して水平線以下の部分を隠すように空側窓部３が開けられ、空側回転盤２に表示された星座が空側窓部３を介して視認できる。地面側本体盤４も同様に、地面側回転盤５に対して水平線以下（この水平線とは、地面に向かって地面を通して星座を見たと考えたとき、地面を通した地球の真反対の位置になる場所での水平線を意味する）の部分を隠すように地面側窓部６が開けられ、地面側回転盤５に表示された星座が地面側窓部６を介して視認できる。 The sky-side main body panel 1 has a sky-side window 3 opened so as to hide a portion below the horizontal line with respect to the sky-side rotating disk 2, and the constellation displayed on the sky-side rotating disk 2 passes through the sky-side window 3. Visible. Similarly, the ground-side main body panel 4 is below the horizontal line with respect to the ground-side rotating disk 5 (this horizontal line is located at a position opposite to the earth through the ground when it is considered that the constellation is viewed through the ground toward the ground. The ground side window 6 is opened so as to hide the portion of the horizontal line (which means a horizontal line at a certain location), and the constellation displayed on the ground side rotating disk 5 can be visually recognized through the ground side window 6.
空側回転盤２及び地面側回転盤５は、観測緯度から見える天球を例えば方位図法によって描いた星図である。見える星の赤緯の下限が緯度によって異なり、観測緯度によって別々のものが用意される。北半球用の観察者であれば、空側回転盤２は北天、例えば北緯３５度を地球上での観察点から空を見上げたときの星図が描かれている。空側本体盤１における空側窓部３は、上側が北（北側の星空：図中Ｎ）、下側が南（南側の星空：図中Ｓ）、左側が東（東側の星空：図中Ｅ）、右側が西（西側の星空：図中Ｗ）となっている。 The sky-side rotating disk 2 and the ground-side rotating disk 5 are star maps in which a celestial sphere visible from the observed latitude is drawn by, for example, the azimuth projection. The lower limit of the declination of visible stars depends on the latitude, and different ones are prepared depending on the observed latitude. In the case of an observer for the northern hemisphere, the sky-side rotating disk 2 is drawn with a star map when looking up at the sky from an observation point on the earth, for example, 35 degrees north latitude. The sky-side window 3 of the sky-side main panel 1 has an upper side north (north-side starry sky: N in the figure), a lower side south (starry sky on the south side: S in the figure), and an east side (east-side starry sky: E in the figure). ), The right side is west (west starry sky: W in the figure).
そして、空側回転盤２の外周には月日の目盛２-１、空側本体盤１には時刻の目盛１-１が印刷されている。観察している月日の目盛２-１と時刻の目盛１-１を合わせると、その日その時刻の星空を見上げた様子が空側窓部３に表れるように構成されている。これにより、方角や日時などを合わせた状態のままで、これを頭上から空に向けて下からかざして星座を探すことができる。 On the outer periphery of the empty-side rotating disk 2, a date scale 2-1 is printed, and on the empty-side main body board 1, a time scale 1-1 is printed. When the scale 2-1 of the month and day being observed is combined with the scale 1-1 of the time, the sky side window 3 is configured to look up at the starry sky at that time of the day. As a result, it is possible to search for a constellation while keeping the direction, date and time, etc. in the same state and pointing it from the overhead to the sky.
本実施形態において、地面側回転盤５は南天、空側回転盤２の北緯３５度（観察点）に対して地球の真反対の位置になる場所、緯度を正負反転した南緯３５度、経度を１８０°回転した南天の星図が描かれている。しかしながら、本実施形態における北緯３５度の地点は一例であり、任意の緯度における星座早見盤を作製できることは言うまでも無い。そして、星座早見盤をひっくり返して（左右方向にひっくり返し）地面に向けて上から見下ろすことで、空側回転盤２によって、観察するため合わせた同時刻での地中を通した星空が表示される。したがって、地面側本体盤４における地面側窓部６は、上側が南（南側の星空：図中Ｓ）、下側が北（北側の星空：図中Ｎ）、左側が東（東側の星空：図中Ｅ）、右側が西（西側の星空：図中Ｗ）となっている。
ここで、星座早見盤を地面に向けるときに、上下方向にひっくり返して使用するような構成にすることもできる（後述の実施形態２）。その場合は、それに対応させて星座の配置、地面側窓部６の位置、東西南北の表示を変更する。
In the present embodiment, the ground-side rotating disk 5 has a south sky, a position that is the opposite position of the earth with respect to 35 degrees north latitude (observation point) of the sky-side rotating disk 2, a latitude 35 degrees south latitude with longitude inverted. A star map of the southern sky rotated 180 ° is drawn. However, the point of 35 degrees north latitude in this embodiment is an example, and it is needless to say that a constellation quick-view board at an arbitrary latitude can be produced. And by turning over the constellation quick-view board (turned sideways) and looking down from above toward the ground, the sky-side rotating disk 2 displays the starry sky through the ground at the same time for observation. Is done. Accordingly, the ground side window 6 of the ground side main body board 4 has an upper side south (south starry sky: S in the figure), a lower side north (north side starry sky: N in the figure), and a left side east (east side starry sky: figure). Middle E), the right side is west (west starry sky: W in the figure).
Here, when the constellation quick-view board is turned to the ground, it can be configured to be turned upside down and used (second embodiment described later). In that case, the arrangement of the constellation, the position of the ground side window 6 and the display of east, west, south, and north are changed correspondingly.
なお、北半球と南半球で同時刻の星空の様子を同時に表示する南北天別星座早見盤は、北緯３５度で見ることのできる星空の裏面には、南緯３５度の地上で頭上から空に向けてかざしたときに見ることのできる星空を描いているので、上側が北（北側の星空）、下側が南（南側の星空）、左側が東（東側の星空）、右側が西（西側の星空）となっている。 In addition, the north-south heaven constellation quick-view board, which simultaneously displays the starry sky at the same time in the northern and southern hemispheres, is located on the back of the starry sky, which can be seen at 35 degrees north latitude, from the overhead to the sky at 35 degrees south latitude. It draws a starry sky that you can see when you hold it, so the upper side is north (starry sky on the north side), the lower side is south (starry sky on the south side), the left side is east (starry sky on the east side), the right side is west (starry sky on the west side) It has become.
図５は、第一実施形態に係る星座早見盤の組立図を示す。上から順に、空側本体盤１、空側回転盤２、地面側回転盤５、地面側本体盤４が重ね合わせられる。空側回転盤２、地面側回転盤５は貼り合わせ、又は両面印刷として一枚の回転盤としても良い。 FIG. 5 shows an assembly drawing of the constellation quick reference board according to the first embodiment. In order from the top, the empty-side main body board 1, the empty-side rotating board 2, the ground-side rotating board 5, and the ground-side main body board 4 are superposed. The sky-side rotating disk 2 and the ground-side rotating disk 5 may be a single rotating disk for bonding or duplex printing.
さらに、空側回転盤２、地面側回転盤５は空側本体盤１及び地面側本体盤４に対して回転可能として同心に留められていれば良く、空側本体盤１と地面側本体盤４とは互いに接触する個所で貼り合わせ、又は袋状となっていても良い。なお、月日の目盛２-１は空側回転盤２と地面側回転盤５の少なくともいずれか一方の外周に、時刻の目盛１-１は、空側本体盤１と地面側本体盤４との少なくともいずれか一方に描かれていれば良い。 Further, it is sufficient that the empty-side rotating disk 2 and the ground-side rotating disk 5 are concentrically held so as to be rotatable with respect to the empty-side main board 1 and the ground-side main board 4. 4 may be bonded to each other or in a bag shape. The scale 2-1 on the moon and sun is on the outer circumference of at least one of the empty-side rotating disk 2 and the ground-side rotating disk 5, and the time scale 1-1 is the empty-side main board 1 and the ground-side main board 4. As long as it is drawn on at least one of the above.
図６は、第一実施形態に係る使用方法を示す説明図である。上図は、観察者８が星座早見盤の空側（空側本体盤１）を見て、矢印１０に示すように頭上から空に向けてかざして方位を実際の方位に合わせた状態を示している。下図は、上図の状態から矢印９に示すように星座早見盤を南北の軸回りに（左右）裏返して下（地面）に向け、観察者８が矢印１１に示すように上から地面側本体盤４を見下ろし、方位を実際の方位に合わせた状態である。 FIG. 6 is an explanatory diagram showing a usage method according to the first embodiment. The upper figure shows a state in which the observer 8 looks at the sky side of the constellation quick-view board (empty-side main body board 1) and holds the head toward the sky from the overhead as shown by the arrow 10 to adjust the direction to the actual direction. ing. The lower figure shows the constellation quick-view board turned around the north-south axis (left and right) and turned downward (ground) as shown by the arrow 9 from the state shown in the upper figure. The board 4 is looked down and the direction is adjusted to the actual direction.
これにより、空側を見た観察者８に対して同じ場所、時刻での地面に広がる星の位置を知ることができる。したがって、観察者８が自分の足元、地面の下に地中を通して広がる星の場所や日周運動のような動きを認識できる。そして、観察者の地上での場所、時刻と、星空全体との関連、繋がりを理解することができる。
ここで、他の実施形態として、第一実施形態の地面側本体盤４と地面側回転盤５のみで構成されたものを作製しても良い。
Thereby, the position of the star spreading on the ground at the same place and time can be known to the observer 8 who has seen the sky side. Accordingly, the observer 8 can recognize the movement of the feet or the diurnal motion spreading through the ground under his / her feet. Then, it is possible to understand the relationship and connection between the observer's place and time on the ground and the entire starry sky.
Here, as another embodiment, a configuration including only the ground side main body board 4 and the ground side rotating board 5 of the first embodiment may be produced.
図７、図８は、第二実施形態を示し、図７は星座早見盤の空側を示す平面図、図８は、星座早見盤の地面側を示す平面図である。第二実施形態では、図７の星座早見盤の空側は第一実施形態と同様である。図８の地面側は、地面側本体盤１３、地面側回転盤１２が第一実施形態とは上下が反対となっている。 7 and 8 show a second embodiment, FIG. 7 is a plan view showing the sky side of the constellation quick view board, and FIG. 8 is a plan view showing the ground side of the constellation quick view board. In the second embodiment, the sky side of the constellation quick-view board of FIG. 7 is the same as that of the first embodiment. In the ground side of FIG. 8, the ground side main body board 13 and the ground side rotating board 12 are upside down from the first embodiment.
そして、星座早見盤を地上に向けて上から見下ろすことで、空側回転盤２によって、観察するため合わせた同時刻での地中を通した星空が表示される。したがって、地面側本体盤１３における地面側窓部１４は、上側が南（南側の星空：図中Ｓ）、下側が北（北側の星空：図中Ｎ）、左側が東（東側の星空：図中Ｅ）、右側が西（西側の星空：図中Ｗ）となっている。また、地面側窓部１４の位置は、第一実施形態と比べて上下方向に移動している。 Then, by staring down on the constellation quick-view board from above, the sky-side rotating disk 2 displays the starry sky through the ground at the same time for observation. Accordingly, the ground-side window 14 of the ground-side main body 13 has an upper side south (south starry sky: S in the figure), a lower side north (north side starry sky: N in the figure), and a left side east (east side starry sky: figure). Middle E), the right side is west (west starry sky: W in the figure). Moreover, the position of the ground side window part 14 has moved to the up-down direction compared with 1st embodiment.
第二実施形態も第一実施形態と同様に上から順に、空側本体盤１、空側回転盤２、地面側回転盤１２、地面側本体盤１３が重ね合わせられる。空側回転盤２、地面側回転盤１２は貼り合わせ、又は両面印刷として一枚の回転盤としても良い。 In the second embodiment, similarly to the first embodiment, the empty-side main body board 1, the empty-side rotating board 2, the ground-side rotating board 12, and the ground-side main board 13 are superposed in order from the top. The sky-side rotating disk 2 and the ground-side rotating disk 12 may be a single rotating disk for bonding or double-sided printing.
図９は、第二実施形態に係る使用方法を示す説明図である。上図は、観察者８が星座早見盤の空側（空側本体盤１）を見て、矢印１０に示すように頭上から空に向けてかざして方位を実際の方位に合わした状態を示している。下図は、上図の状態から矢印１５に示すように星座早見盤を東西の軸回りに（上下）裏返して下（地面）に向け、観察者８が矢印１１に示すように上から地面側本体盤１３を見下ろし、方位を実際の方位に合わした状態である。 FIG. 9 is an explanatory diagram illustrating a usage method according to the second embodiment. The upper figure shows a state in which the observer 8 looks at the sky side of the constellation quick-view board (empty-side main body board 1) and holds the head toward the sky from the overhead as shown by the arrow 10 to adjust the direction to the actual direction. ing. The lower figure shows that the constellation quick-view board is turned around the east-west axis (up and down) and turned downward (ground) as shown by the arrow 15 from the state of the upper figure. The board 13 is looked down and the direction is adjusted to the actual direction.
これにより、第一実施形態と同様に、空側を見た観察者８に対して同じ場所、時刻での地面に広がる星の位置を知ることができる。したがって、観察者の地上での場所、時刻と、星空全体との関連、繋がりを理解することができる。 Thereby, as in the first embodiment, it is possible to know the position of the star spreading on the ground at the same place and time with respect to the observer 8 who looks at the sky side. Therefore, it is possible to understand the relationship and connection between the observer's place and time on the ground and the entire starry sky.
図１０は、第一実施形態の星座の代わりに宇宙の科学データである宇宙マイクロ波背景放射マップ２０を描いた第三実施形態である。宇宙マイクロ波背景放射とは、天球上の全方向からほぼ等方的に観測されるマイクロ波であり、宇宙マイクロ波背景放射マップ２０において、白い丸が星を表し、色は温度を表している。例えば、温度が高いところは赤く、低いところ青くする（図１０においては白黒で示している）。 FIG. 10 is a third embodiment in which a cosmic microwave background radiation map 20 that is scientific data of the universe is drawn instead of the constellation of the first embodiment. The cosmic microwave background radiation is a microwave observed almost isotropically from all directions on the celestial sphere, and in the cosmic microwave background radiation map 20, a white circle represents a star and a color represents temperature. . For example, the high temperature is red and the low temperature is blue (shown in black and white in FIG. 10).
宇宙マイクロ波背景放射は、宇宙誕生時の名残を伝える微弱なマイクロ波である。星座早見盤の表側には、通常の星座を表示し、裏側にこの宇宙マイクロ波背景放射を表示することで、観測者が空に向けて星座早見盤の表側と裏側とをひっくり返しながら観察することで、観測者は空の星座に関連付けて宇宙マイクロ波背景放射を理解することができ、宇宙の年齢や誕生時の温度ムラなどを意識し学ぶことができる。 Cosmic microwave background radiation is a weak microwave that conveys the remnants of the birth of the universe. A normal constellation is displayed on the front side of the constellation quick view board, and this cosmic microwave background radiation is displayed on the back side, so that the observer observes the front and back sides of the constellation quick turn board upside down. In this way, the observer can understand the cosmic microwave background radiation in relation to the constellation of the sky, and can learn by being aware of the age of the universe and temperature irregularities at birth.
第三実施形態よる星座早見盤によれば、第１実施形態または第２実施形態において、空側には、星座の代わりに空を見上げたときの宇宙マイクロ波背景放射を表示し、地面側には、地面を透過したときに見える宇宙マイクロ波背景放射を表示している。
これにより、空の半球だけでなく地面の下の宇宙マイクロ波背景放射を見ることができるので、結果的に観察点からの宇宙の歴史に関わる新しい情景を認識することができる。なお、星座あるいは宇宙マイクロ波背景放射マップ２０のいずれかを透明シートに描いて両方を表示するようにしても良い。ここで表示する科学データは、上記宇宙マイクロ波背景放射に限るものではなく、赤外線や紫外線マップ、ガンマ線バーストの発生位置を示した分布など、宇宙全球に渡るデータであれば良い。
According to the constellation quick reference board according to the third embodiment, in the first embodiment or the second embodiment, the sky side displays the cosmic microwave background radiation when looking up at the sky instead of the constellation, and on the ground side. Shows the cosmic microwave background radiation that is visible when it passes through the ground.
As a result, not only the sky hemisphere but also the cosmic microwave background radiation below the ground can be seen, so that a new scene related to the history of the universe from the observation point can be recognized as a result. Note that either the constellation or the cosmic microwave background radiation map 20 may be drawn on a transparent sheet to display both. The scientific data to be displayed here is not limited to the cosmic microwave background radiation, but may be any data that covers the entire universe such as an infrared ray, an ultraviolet ray map, and a distribution indicating a generation position of a gamma ray burst.
図１１は、第一実施形態の地面側本体盤４に地面下の地図を海岸線で描いた第四実施形態である。星座早見盤の地面側には、観察点、例えば北緯３５度から地中を透視して見えるであろうとする地球の向こう側の海岸線地図２１を描いている。したがって、地球上の異なる観察点では、その観察点から透視した地図を描く必要があり、世界地図も通常とは逆さまとなる。 FIG. 11 is a fourth embodiment in which a map below the ground is drawn on the ground side main body board 4 of the first embodiment along a coastline. On the ground side of the constellation quick-view board, a coastline map 21 on the other side of the earth that is supposed to be seen through from the observation point, for example, 35 degrees north latitude is drawn. Therefore, at different observation points on the earth, it is necessary to draw a map seen through from the observation points, and the world map is also upside down.
例えば、自分のいるところから南極の方向は、真南の方角ではなく、地中が透明になったとして、南極の見える方向のことである。そして、その方向に真っ直ぐと穴を掘っていったら到着する場所とも言える。つまり、地面を指すことになり、自分の生活圏の見える範囲だけでなく、地中の向こう側の人々の生活を感じることになる。そして、空側の星図との地中を通した一体感を意識し、世界を平面的な繋がりとして知る感覚とは異なるものとなる。 For example, the direction of the South Pole from where you are is not the direction of the south, but the direction in which you can see the South Pole as the ground has become transparent. And if you dig a hole straight in that direction, you can say it is a place to arrive. In other words, it will point to the ground, and you will feel the lives of people on the other side of the ground, as well as the area where you can see your living area. It is different from the sense of knowing the world as a flat connection, conscious of the sense of unity through the ground with the sky side map.
図１２は、第四実施形態に係る第１変形例であり、図１１で示す第四実施形態では海と陸地が分かりにくいので、海を青にして国境線を描いてカラー地図２２としたものである（図１２においては白黒で示している）。 FIG. 12 shows a first modification according to the fourth embodiment. In the fourth embodiment shown in FIG. 11, the sea and land are difficult to understand. (Shown in black and white in FIG. 12).
図１３は、第四実施形態に係る第２変形例であり、図１１で示す第四実施形態に対して地面側窓部６の中に方位と仰角が分かるラインを付け、ライン入り地図２３としたものである。 FIG. 13 is a second modified example according to the fourth embodiment, and a line that shows the azimuth and elevation angle is attached in the ground side window 6 to the fourth embodiment shown in FIG. It is a thing.
図１４は、第五実施形態であり、図１１で示す第四実施形態に対して地面側窓部６に地面下の地図を透明シートに印刷して描いて、透明地図２４としたものである。そして、地面側回転盤５は図３で示す第一実施形態と同様に南天の星図が描かれている。地面側回転盤５を回転させても透明地図２４を描いた透明シートは動かないようにしている。これにより、地面の下の地図と一緒に星の位置を見ることで、地球が透明だった場合の星の位置を意識し、北天で見える星座との繋がりを認識できる。 FIG. 14 shows a fifth embodiment, which is a transparent map 24 in which a map below the ground is printed on a transparent sheet on the ground-side window 6 in the fourth embodiment shown in FIG. . The ground-side rotary disk 5 is depicted with a southern sky as in the first embodiment shown in FIG. Even if the ground side turntable 5 is rotated, the transparent sheet on which the transparent map 24 is drawn is prevented from moving. By looking at the position of the star together with the map under the ground, it is possible to recognize the position of the star when the earth is transparent and to recognize the connection with the constellation visible in the northern sky.
なお、図１０に示す第三実施形態の宇宙マイクロ波背景放射マップ２０、図１１に示す第四実施形態の海岸線地図２１、図１２に示す海を青にしたカラー地図２２、図１３に示す方位と仰角が分かるライン入り地図２３においても、図１４に示す第五実施形態と同様にして、地面側窓部６に地面下の地図を透明シートに印刷して描き、星の位置も透明シートを透過して同時に表示することが好ましい。それにより、より効果的に地面の下の地図と一星の位置との繋がりを知り、観察点からのある時間での全天球の分布を把握することができ、教育的な効果も高い。 In addition, the cosmic microwave background radiation map 20 of the third embodiment shown in FIG. 10, the coastline map 21 of the fourth embodiment shown in FIG. 11, the color map 22 in which the sea is blue shown in FIG. 12, and the direction shown in FIG. As with the fifth embodiment shown in FIG. 14, the map 23 with the line showing the elevation angle is also drawn by printing a map below the ground on the ground-side window 6 on a transparent sheet, and the position of the star is also a transparent sheet. It is preferable to transmit and display simultaneously. Thereby, it is possible to know the connection between the map under the ground and the position of the star more effectively, to understand the distribution of the celestial sphere at a certain time from the observation point, and the educational effect is also high.
図１５は、第六実施形態に係る星座早見盤であり、第一実施形態の空側と地面側が一体となったものに対して分離して組み合わせを変えた星座早見盤である。つまり、図１、２で示す第一実施形態における空側本体盤１及び星図が描かれている空側回転盤２による空側の星座早見盤と、図３、４で示す第一実施形態における地面側回転盤５と地面側本体盤４による地面側の星座早見盤とをほぼ直角に結合している。 FIG. 15 is a constellation quick reference board according to the sixth embodiment, in which the sky side and the ground side of the first embodiment are integrated and separated and changed in combination. That is, in the first embodiment shown in FIGS. 3 and 4, the sky side main body board 1 in the first embodiment shown in FIGS. The ground-side rotating disk 5 and the ground-side constellation quick-viewing board by the ground-side main body board 4 are connected at a substantially right angle.
そして、空側の星座早見盤の空側回転盤２と、地面側の星座早見盤の地面側回転盤５と、の外周に一対のかさ歯車１６、１７を設けている。これにより、直角の部分で空側の星座早見盤と地面側の星座早見盤とがかさ歯車１６、１７によって、同期して伝動する。したがって、空側回転盤２と地面側回転盤５も同じ角度で同期して回転することで第一実施形態のように星座早見盤を裏返すことなく空側と地面側を見ることができる。また、空側回転盤２と地面側回転盤５とが連動して回転するので、日時は片側の早見盤を合わせるだけで良いことになる。
ここで、空側の星座早見盤と地面側の星座早見盤とは、直角ではなく、０°（同一平面に並べた状態）より大きく９０°以下の角度になるように結合しても良い。９０°よりも大きくなると観測者が視認しにくくなるので好ましくない。空側と地面側の両方を見やすくするためには９０°の角度で結合することが好ましい。
A pair of bevel gears 16 and 17 are provided on the outer periphery of the sky-side rotating disk 2 of the sky-side constellation quick-view board and the ground-side rotating disk 5 of the ground-side constellation quick-viewing board. As a result, the sky side constellation quick reference board and the ground side constellation quick reference board are transmitted in synchronism by the bevel gears 16 and 17 at a right angle. Therefore, the sky-side rotating disk 2 and the ground-side rotating disk 5 can also be rotated synchronously at the same angle, so that the sky side and the ground side can be seen without turning over the constellation quick-view board as in the first embodiment. In addition, since the sky-side rotating disk 2 and the ground-side rotating disk 5 rotate in conjunction with each other, the date and time only needs to be matched with the quick-viewing panel on one side.
Here, the sky-side constellation quick-view board and the ground-side constellation quick-view board may be coupled so as to have an angle greater than 0 ° (arranged on the same plane) and not more than 90 °. If it is larger than 90 °, it is difficult for the observer to visually recognize. In order to make it easy to see both the sky side and the ground side, it is preferable to combine at an angle of 90 °.
第六実施形態によれば、空側と地面側を見比べ易くなり、空側から沈んでいった星座が地面の下側に移る様子など、動きの繋がりが把握しやすい効果がある。 According to the sixth embodiment, it is easy to compare the sky side and the ground side, and there is an effect that it is easy to grasp the connection of movement, such as a state in which a constellation that sinks from the sky side moves to the lower side of the ground.
図１６は、第六実施形態に係る第１変形例であり、図１５で示す第六実施形態に対して２枚の星座早見盤を平面で並べて繋げ、平面的に結合したものである（第五実施形態において角度０°で結合したものに相当する）。そのため、第六実施形態のかさ歯車に代えて、一対の平歯車１８、１９で空側の星座早見盤と地面側の星座早見盤とを同期して伝動するようにしている。他は、図１５で示す第六実施形態と同様である。 FIG. 16 shows a first modification according to the sixth embodiment, in which two constellation quick-viewing boards are arranged side by side in a plane and connected to the sixth embodiment shown in FIG. In the fifth embodiment, it corresponds to a combination at an angle of 0 °). Therefore, instead of the bevel gear of the sixth embodiment, a pair of spur gears 18 and 19 are configured to transmit the sky-side constellation quick-view board and the ground-side constellation quick-view board synchronously. Others are the same as the sixth embodiment shown in FIG.
２枚の星座早見盤が平面的に配置されているので、観察者が水平面に対して小さな角度（または角度０°）で見上げて使用するのに適している。なお、図１５で示す第六実施形態、図１６で示す第六実施形態に係る第１変形例のいずれも空側回転盤２と地面側回転盤５を表裏に貼り合わせる必要はない。 Since the two constellation viewing planes are arranged in a plane, it is suitable for the observer to look up at a small angle (or an angle of 0 °) with respect to the horizontal plane. Note that neither the sixth embodiment shown in FIG. 15 nor the first modification according to the sixth embodiment shown in FIG. 16 needs to attach the empty-side rotating disk 2 and the ground-side rotating disk 5 to the front and back.
なお、第一実施形態から第六実施形態において、いずれも空側本体盤１と空側回転盤２による空側の星座早見盤と、地面側回転盤５と地面側本体盤４による星座早見盤と、を組み合わせたものを説明している。しかし、少なくとも地面側回転盤５と地面側本体盤４による星座早見盤を備えれば、観察しているその日その時刻での地中を通した星座を知ることができるので、観察者が自分の足元、地面の下に広がる星の場所や日周運動のような動きを認識することができる。 In all of the first to sixth embodiments, the sky-side constellation screen by the sky-side main body board 1 and the sky-side rotation board 2, and the constellation quick-view board by the ground-side rotation board 5 and the ground-side main body board 4 are used. And a combination of these. However, if at least the constellation quick-view board by the ground-side rotating board 5 and the ground-side main body board 4 is provided, it is possible to know the constellation that has passed through the ground at the time of observation that day. It can recognize movements such as feet, the location of stars spreading under the ground, and diurnal motion.
１ 空側本体盤
１-１ 時刻の目盛
２ 空側回転盤
２-１ 月日の目盛
３ 空側窓部
４、１３ 地面側本体盤
５、１２ 地面側回転盤
６、１４ 地面側窓部
８ 観察者
９、１０、１１、１５ 矢印
１６、１７ かさ歯車
１８、１９ 平歯車
２０ 宇宙マイクロ波背景放射マップ
２１ 海岸線地図
２２ カラー地図
２３ ライン入り地図
２４ 透明地図
DESCRIPTION OF SYMBOLS 1 Empty side main body board 1-1 Time scale 2 Empty side rotating board 2-1 Month and day scale 3 Empty side window part 4, 13 Ground side main body board 5, 12 Ground side rotating board 6, 14 Ground side window part 8 Observer 9, 10, 11, 15 Arrow 16, 17 Bevel gear 18, 19 Spur gear 20 Cosmic microwave background radiation map 21 Coastline map 22 Color map 23 Lined map 24 Transparent map
Claims (10)
前記回転盤に設けられた月日の目盛と、
前記本体盤に設けられた時刻の目盛と、
を備え、
前記回転盤は地球上での観察点から地面を透過した下側に位置する星座が描かれた地面側回転盤であり、
前記本体盤を地面側本体盤とし、前記地面側本体盤の前記窓部を地面側窓部とすると、
前記月日の目盛と前記時刻の目盛を合わせると、その日その時刻での地中を通した星座が前記地面側窓部を介して視認されるように構成された星座早見盤。 A constellation quick reference provided with a main body board and a turntable rotatable with respect to the main body board, and configured so that a constellation displayed on the rotary board is visually recognized through a window portion of the main body board In the board
The scale of the month and day provided on the turntable,
A scale of time provided on the main body board,
With
The rotating disk is a ground-side rotating disk on which a constellation located on the lower side that has passed through the ground from an observation point on the earth is drawn,
When the main body board is a ground side main body board, and the window part of the ground side main body board is a ground side window part,
A constellation quick reference board configured such that, when the scale of the month and day is combined with the scale of the time, the constellation passing through the ground at that time of the day is visually recognized through the window on the ground side.
前記空側回転盤に対して水平線以下の部分を隠すように空側窓部が開けられた空側本体盤と、を更に備え、
前記月日の目盛と前記時刻の目盛を合わせると、その日その時刻での星空を見上げた様子が前記空側窓部を介して視認される請求項１から３のいずれか１項に記載の星座早見盤。 An empty-side rotating disk with a star map when looking up at the sky from an observation point on the earth,
An empty side main body board having an empty side window portion opened so as to hide a portion below a horizontal line with respect to the empty side rotating board; and
The constellation according to any one of claims 1 to 3, wherein when the scale of the month and day is combined with the scale of the time, a state of looking up at the starry sky at that time of the day is visually recognized through the sky side window. Quick view board.
前記空側回転盤と前記地面側回転盤との外周に一対のかさ歯車を設け、前記空側回転盤と前記地面側回転盤とが同期して回転する請求項４に記載の星座早見盤。 An angle between the sky-side constellation board by the sky-side main board and the sky-side rotating board and the ground-side constellation board by the ground-side rotating board and the ground-side main board is greater than 0 ° and not more than 90 °. Combined with
5. The constellation quick reference board according to claim 4, wherein a pair of bevel gears is provided on the outer periphery of the sky-side rotating disk and the ground-side rotating disk, and the sky-side rotating disk and the ground-side rotating disk rotate in synchronization.
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