JPS58182193U - Dial scale plate illumination device - Google Patents
Dial scale plate illumination deviceInfo
- Publication number
- JPS58182193U JPS58182193U JP7890182U JP7890182U JPS58182193U JP S58182193 U JPS58182193 U JP S58182193U JP 7890182 U JP7890182 U JP 7890182U JP 7890182 U JP7890182 U JP 7890182U JP S58182193 U JPS58182193 U JP S58182193U
- Authority
- JP
- Japan
- Prior art keywords
- light
- section
- illumination device
- scale plate
- light reflecting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Landscapes
- Details Of Measuring And Other Instruments (AREA)
Abstract
(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
第１図は傾斜したダイヤル目盛板を有する製品の一例を
孝子斜親図ミ第２図は従来の照明装置の一例を示す斜視
図、第３図は第２図の装置の側断面図、第４図は従来装
置の欠点を説明するための・側断面図、第５図は本考案
の一実施例を示す側断面図、第６図は第５図の装置の部
分的な拡大側断面図、第７図は本考案の装置の照明状態
を説明するためのグラフである。
１・・・・・・ダイヤル目盛板、３・・・・・・光導体
、３ａ・・・・・・カット面、３ｂ・・・・・・拡散部
、４・・・・・・光源。Fig. 1 is a perspective view of an example of a product with an inclined dial scale plate; Fig. 2 is a perspective view of an example of a conventional lighting device; Fig. 3 is a side sectional view of the device shown in Fig. 2; Fig. 4 is a side sectional view for explaining the drawbacks of the conventional device, Fig. 5 is a side sectional view showing an embodiment of the present invention, and Fig. 6 is a partially enlarged side sectional view of the device shown in Fig. 5. , FIG. 7 is a graph for explaining the lighting conditions of the device of the present invention. DESCRIPTION OF SYMBOLS 1... Dial scale plate, 3... Light guide, 3a... Cut surface, 3b... Diffusion part, 4... Light source.
Claims (3)
に導ひく光路部を照射面部の上方に設け、前記光路部の
先端に前記溝びかれた光を下方へ反射する光反射部を形
成し、この光反射部で反射した光によって前記光反射部
に所定の対向角をもって対向された前記照射面部を照光
するようになし、前記光反射部に、照射光束が前記照射
面部の傾斜角に対応して上方で粗、下方に行くに従って
密となるような曲率の光拡散部を形成したことを特徴と
するダイヤル目盛板の照明装置。(1) An optical path section that guides the light from the light source in a horizontal direction from the rear to the front side is provided above the irradiation surface section, and a light reflecting section that reflects the grooved light downward at the tip of the optical path section , and the light reflected by the light reflecting portion illuminates the irradiation surface portion facing the light reflecting portion at a predetermined opposing angle, and the irradiation light beam is directed to the light reflecting portion at a slope of the irradiation surface portion. An illumination device for a dial scale plate, characterized in that a light diffusing portion is formed with a curvature that is coarse at the top and becomes denser toward the bottom corresponding to the corners.
凹面鏡からなることを特徴とする実用新案登録請求の範
囲第１項記載のダイヤル目盛板の照明装置。(2) The illumination device for a dial scale plate according to claim 1, wherein the light diffusing section is comprised of a convex or concave mirror provided on the light reflecting section.
凸又は凹面状のレンズからなることを特徴とする実用新
案登録請求の範囲第１項記載のダイヤル目盛板の照明装
置。(3) The illumination device for a dial scale plate according to claim 1, wherein the light diffusing section is comprised of a convex or concave lens provided on the light guiding section of the light reflecting section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7890182U JPS58182193U (en) | 1982-05-31 | 1982-05-31 | Dial scale plate illumination device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7890182U JPS58182193U (en) | 1982-05-31 | 1982-05-31 | Dial scale plate illumination device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58182193U true JPS58182193U (en) | 1983-12-05 |
Family
ID=30088100
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7890182U Pending JPS58182193U (en) | 1982-05-31 | 1982-05-31 | Dial scale plate illumination device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58182193U (en) |
-
1982
- 1982-05-31 JP JP7890182U patent/JPS58182193U/en active Pending
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