JPS5845502U - wide angle reflector - Google Patents

Abstract

Translated fromJapanese

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

Translated fromJapanese

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は反射素子の再帰原理説明図、第２図は再帰反射
を示す曲線グラフ、第３図、第４図は公知例の反射器を
それぞれ水平方向に横断した断面図、第５図は公知例の
反射説明図、第６図は本考案実施例の反射説明図、第７
図は本考案実施例反射器の斜視図、第８図は第７図の水
平方向横断面図、第９図は他実施例反射器の斜面図、第
１０図は第９図の要部を二段に水平方向に断面して示し
た説明断面図である。Ｘは主光軸、Ｙ−Ｙ’は副光軸、１１．１１′は反射器
本体、１２．１２’は主反射面、１３゜１３’、１４．
１４’は副反射面、１２ａ、１３ａ。１４ａは反射素子。Fig. 1 is an explanatory diagram of the principle of retroreflection of a reflective element, Fig. 2 is a curve graph showing retroreflection, Figs. 3 and 4 are horizontal cross-sectional views of a known reflector, and Fig. 5 is a diagram illustrating the principle of retroreflection. FIG. 6 is a reflection explanatory diagram of a known example, and FIG. 7 is a reflection explanatory diagram of an embodiment of the present invention.
The figure is a perspective view of a reflector according to an embodiment of the present invention, FIG. 8 is a horizontal cross-sectional view of FIG. 7, FIG. 9 is an oblique view of another embodiment of the reflector, and FIG. FIG. 2 is an explanatory sectional view showing a horizontal section in two stages. X is the main optical axis, Y-Y' is the sub optical axis, 11.11' is the reflector body, 12.12' is the main reflection surface, 13° 13', 14.
14' is a sub-reflection surface, 12a, 13a. 14a is a reflective element.

Claims (5)

Translated fromJapanese

【実用新案登録請求の範囲】[Scope of utility model registration request]（１）透明なガラス又は合成樹脂等で裏面に多数のキュ
ービックコーナによる反射素子が集合的に配列されるよ
うに成型された反射器において、正面主光軸をもつ主反
射面と、主反射面に対し対向的に６０′以上の傾斜角α
を有する二面以上の副反射面とから成り、該副反射面に
反射素子によって形成される副光軸は副反射面に対して
αとは逆方向のある傾斜角βを有することを特徴とする
広角反射器。(1) In a reflector molded with transparent glass or synthetic resin, etc., so that reflective elements with a large number of cubic corners are collectively arranged on the back surface, there is a main reflecting surface with a front main optical axis, and a main reflecting surface. An inclination angle α of 60′ or more opposite to
and two or more sub-reflecting surfaces having the following characteristics, and a sub-optical axis formed by a reflective element on the sub-reflecting surface has a certain inclination angle β in a direction opposite to α with respect to the sub-reflecting surface. wide angle reflector.（２）　　主反射面の両側に一対の副反射面をそれぞれ
隣接させた実用新案登録請求の範囲第（１）項記載の広
角反射器。(2) The wide-angle reflector according to claim (1), which has a pair of sub-reflecting surfaces adjacent to each other on both sides of a main reflecting surface.（３）二面の副反射面を、互に隣接させると共にその隣
接させた交点を、主反射面の中心線の上方又は下方に位
置させるように設けたことを特徴とする広角反射器。(3) A wide-angle reflector characterized in that two sub-reflecting surfaces are provided adjacent to each other and the intersection of the adjacent sub-reflecting surfaces is located above or below the center line of the main reflecting surface.（４）傾斜角βを０°〈β＜６０°とした実用新案登録
請求の範囲第（１）項〜同第（３）項記載の広角反射器
。(4) A wide-angle reflector according to claims (1) to (3) of the utility model registration, in which the angle of inclination β is 0°<β<60°.（５）　　主反射面と両側反射器のなす角度αは６１゜
〜９０°であり、両側反射面のなす角度α′は５８°〜
０°の範囲内にして、主反射面の巾以内において広角反
射を得る゛ことを特徴とする実用新案登録請求の範囲第
（３）項記載の広角反射器。(5) The angle α between the main reflecting surface and both side reflectors is 61° to 90°, and the angle α′ between both reflecting surfaces is 58° to 90°.
The wide-angle reflector according to claim 3, which is a registered utility model, is characterized in that wide-angle reflection is obtained within the width of the main reflecting surface within the range of 0°.