JPH0167680U

JPH0167680U -

Info

Publication number: JPH0167680U
Application number: JP1987162133U
Authority: JP
Priority date: 1987-10-23
Filing date: 1987-10-23
Publication date: 1989-05-01

Description

[Brief explanation of the drawing]

第１図は、本考案による星座早見盤の要旨を説
明するための断面図である。第２図は、本考案に
よる星座早見盤の一実施例を示した側断面図、第
３図は、同実施例を一部破断して示した平面図で
ある。第４図〜第７図は、星座早見盤の一般的構
成を示した図であつて、第４図は平面図、第５図
は断面図、第６図は星座盤を抜き出して示した平
面図、第７図はマスク盤を抜き出して示した平面
図である。１……光源、１１……豆電球、１２……反射層
、１３……電源、１４……電源スイツチ、２……
導光板、２１……ベース板、２２……反射層、３
……星座盤、３１……ベースフイルム、３２……
遮光層、３３……蓄光層、４……保護ケース、４
１……遮光層、４２……窓、４３……目盛り窓、
４４……切り欠き、４５……目盛り。 FIG. 1 is a sectional view for explaining the gist of the planisphere according to the present invention. FIG. 2 is a side sectional view showing an embodiment of the planisphere according to the present invention, and FIG. 3 is a partially cutaway plan view of the same embodiment. Figures 4 to 7 are diagrams showing the general configuration of a planisphere, in which Figure 4 is a plan view, Figure 5 is a sectional view, and Figure 6 is a planar view of the planisphere. 7 are plan views showing the mask board extracted. 1...Light source, 11...Miniature light bulb, 12...Reflection layer, 13...Power supply, 14...Power switch, 2...
Light guide plate, 21...Base plate, 22...Reflection layer, 3
...Constellation board, 31...Base film, 32...
Light shielding layer, 33... Luminous layer, 4... Protective case, 4
1... Light shielding layer, 42... Window, 43... Scale window,
44...notch, 45...scale.

Claims

[Scope of utility model registration request]

It consists of a constellation board on which the constellations of all seasons in the sky are drawn, and a mask board that covers the outside of the window corresponding to the horizon, and by rotating the constellation board and the mask board, the constellations at a specific date and time can be read. The planisphere displayed in the window includes a light source, a light guide plate having a reflective layer formed on one surface, which receives light from the light source from the side and guides the light to the entire surface of the other surface. ,
and a constellation disk provided on the other surface of the light guide plate, in which a phosphorescent layer containing a substance that stores the light is formed in the constellations and other necessary parts, and a light-shielding layer is formed in parts other than the constellations and other necessary parts. A planisphere featuring the following.