JPH0190004U - - Google Patents
Info
- Publication number
- JPH0190004U JPH0190004U JP18681787U JP18681787U JPH0190004U JP H0190004 U JPH0190004 U JP H0190004U JP 18681787 U JP18681787 U JP 18681787U JP 18681787 U JP18681787 U JP 18681787U JP H0190004 U JPH0190004 U JP H0190004U
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- light
- light guiding
- bent part
- housing
- 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
- 230000002093 peripheral effect Effects 0.000 claims 2
- 239000011347 resin Substances 0.000 claims 1
- 229920005989 resin Polymers 0.000 claims 1
- 239000012780 transparent material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 7
- 230000008054 signal transmission Effects 0.000 description 3
Landscapes
- Light Guides In General And Applications Therefor (AREA)
Description
第１図は実施例の導光装置の分解斜視図、第２
図は本体部の先端を示す斜視図、第３図はライト
ガイドの中心軸に沿つて切断した導光装置の縦断
面図、第４図は本体部とカバーの係合状態を示す
縦断面図、第５図及び第６図は傾斜面での光の反
射を示す説明図、第７図は他の実施例の要部を示
す断面図、第８Ａ図は本考案による導光装置を使
用した装置例を示す一部を切欠いた側面図、第８
Ｂ図は第８Ａ図の装置を用いた場合の信号の伝送
経路例を示す図、第９図は第８Ａ図の装置の使用
状態を示す説明図、第１０Ａ図は本考案による導
光装置を使用した他の装置例を示す一部を切欠い
た側面図、第１０Ｂ図は第１０Ａ図の装置を用い
た場合の信号の伝送経路例を示す図、第１１図は
従来例を示す図である。
１……ライトガイド、１１，１３，１５……直
線部、１２，１４……屈曲部、１ａ……一端面、
１ｂ……他端面、１ｃ，１ｄ……傾斜面、２……
ハウジング、３，４……空気層、ｌ１〜ｌ３……
導光軸。
Figure 1 is an exploded perspective view of the light guide device of the embodiment, Figure 2 is an exploded perspective view of the light guide device of the embodiment.
The figure is a perspective view showing the tip of the main body, FIG. 3 is a longitudinal sectional view of the light guide device taken along the central axis of the light guide, and FIG. 4 is a longitudinal sectional view showing the engagement state of the main body and the cover. , FIG. 5 and FIG. 6 are explanatory diagrams showing the reflection of light on an inclined surface, FIG. 7 is a sectional view showing the main part of another embodiment, and FIG. 8A is a diagram showing the use of the light guide device according to the present invention. A partially cutaway side view showing an example of the device, No. 8
Figure B is a diagram showing an example of a signal transmission path when using the device in Figure 8A, Figure 9 is an explanatory diagram showing how the device in Figure 8A is used, and Figure 10A is a diagram showing an example of a signal transmission path when using the device in Figure 8A. FIG. 10B is a diagram showing an example of a signal transmission path when the device of FIG. 10A is used, and FIG. 11 is a diagram showing a conventional example. . 1... Light guide, 11, 13, 15... Straight part, 12, 14... Bent part, 1a... One end surface,
1b...other end surface, 1c, 1d...slanted surface, 2...
Housing, 3, 4...Air layer, l1 to l3 ...
light guiding axis.
Claims (1)
るライトガイドを収容し、このライトガイドの一
端から導入した光を他端側へ導くようにした導光
装置であつて、 前記ライトガイドの導光方向中間部に屈曲部が
形成されるとともに、この屈曲部の外周側に屈曲
部前後の直線部と平行な導光軸と交叉する傾斜面
が形成され、且つこの傾斜面と前記ハウジング内
周面との間に空気層が形成されていることを特徴
とする導光装置。[Scope of Claim for Utility Model Registration] A light guiding device that houses a light guide made of transparent resin in a housing made of non-transparent material, and guides light introduced from one end of the light guide to the other end. A bent part is formed in the middle part of the light guide in the light guiding direction, and an inclined surface is formed on the outer peripheral side of this bent part and intersects with the light guiding axis which is parallel to the straight part before and after the bent part, and this inclined part A light guiding device characterized in that an air layer is formed between the surface and the inner peripheral surface of the housing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18681787U JPH0190004U (en) | 1987-12-07 | 1987-12-07 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18681787U JPH0190004U (en) | 1987-12-07 | 1987-12-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0190004U true JPH0190004U (en) | 1989-06-14 |
Family
ID=31478023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18681787U Pending JPH0190004U (en) | 1987-12-07 | 1987-12-07 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0190004U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038408B2 (en) * | 1975-04-30 | 1985-08-31 | エアー・プロダクツ・アンド・ケミカルス・インコーポレーテツド | Method for producing sheet-like and bulk-form molding materials |
| JPS6160202B2 (en) * | 1982-09-30 | 1986-12-19 | Nitsushin Boseki Kk |
-
1987
- 1987-12-07 JP JP18681787U patent/JPH0190004U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6038408B2 (en) * | 1975-04-30 | 1985-08-31 | エアー・プロダクツ・アンド・ケミカルス・インコーポレーテツド | Method for producing sheet-like and bulk-form molding materials |
| JPS6160202B2 (en) * | 1982-09-30 | 1986-12-19 | Nitsushin Boseki Kk |
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