JPS61130986U

JPS61130986U -

Info

Publication number: JPS61130986U
Application number: JP1389785U
Authority: JP
Priority date: 1985-02-01
Filing date: 1985-02-01
Publication date: 1986-08-15

Description

[Brief explanation of drawings]

第１図は本考案に係るドラムフイルタの斜見図
、第２図は着色帯の端部を互いに接合した状態を
示す拡大斜見図、第３図は着色帯の端部を示す部
分平面図、第４図は着色帯をドラム本体内に配置
した状態を示す第１図の―線断面図に対応す
る縦断面図、第５図は他の着色帯の端部を互いに
接合した状態を示す拡大斜見図、第６図は第５図
に示した着色帯の端部を示す部分平面図、第７図
はさらに他の例を示す部分平面図、第８図はドラ
ムフイルタが適用される表示装置の一部切欠斜見
図、第９図は同側面図、第１０図は取付板とこれ
に取り付けた光源ユニツトの正面図、第１１図は
同平面図、第１２図は同右側面図である。符号の説明、１０…本体、１１…表示面、１２
…光フアイバー、２０…ハウジング、２１…案内
レール、２２…開口、２３…取付口、３０…取付
板、４０…光源ユニツト、４１…光源、４４…鏡
、４５…駆動モータ、５０…ドラムフイルタ、５
１…ドラム本体、５２…支持部、５２ａ…係合部
、５３…着色帯、５３ａ…係合部、５３ｂ…係止
溝、５４ａ…係合突起、５４ｂ…係合部。 Fig. 1 is a perspective view of a drum filter according to the present invention, Fig. 2 is an enlarged perspective view showing the ends of the colored bands joined together, and Fig. 3 is a partial plan view showing the ends of the colored bands. , FIG. 4 is a longitudinal cross-sectional view corresponding to the cross-sectional view taken along the line - in FIG. 1, showing the state in which the colored bands are arranged in the drum body, and FIG. 5 shows the state in which the ends of other colored bands are joined to each other. An enlarged perspective view, FIG. 6 is a partial plan view showing the end of the colored band shown in FIG. 5, FIG. 7 is a partial plan view showing another example, and FIG. 8 is a partial plan view showing the end of the colored band shown in FIG. A partially cutaway perspective view of the display device, FIG. 9 is a side view of the same, FIG. 10 is a front view of the mounting plate and the light source unit attached to it, FIG. 11 is a plan view of the same, and FIG. 12 is a right side view of the same. It is a diagram. Explanation of symbols, 10...Main body, 11...Display surface, 12
... optical fiber, 20 ... housing, 21 ... guide rail, 22 ... opening, 23 ... mounting port, 30 ... mounting plate, 40 ... light source unit, 41 ... light source, 44 ... mirror, 45 ... drive motor, 50 ... drum filter, 5
DESCRIPTION OF SYMBOLS 1... Drum body, 52... Support part, 52a... Engagement part, 53... Colored band, 53a... Engagement part, 53b... Locking groove, 54a... Engagement protrusion, 54b... Engagement part.

Claims

[Scope of utility model registration request]

The tips of a large number of optical fibers are appropriately arranged on the display surface, the base ends of these optical fibers are placed together near the light source, and the colored light from the light source is passed through a drum filter. In a display device that performs a predetermined display by scattering light on the display surface through the optical fiber, the drum filter includes a transparent drum body and a transparent body with a predetermined color pattern printed on the drum body. 1. A drum filter for a display device using optical fiber, comprising a colored band detachably attached to the inner or outer surface of the drum filter.