JPS6273248U - - Google Patents
Info
- Publication number
- JPS6273248U JPS6273248U JP16555885U JP16555885U JPS6273248U JP S6273248 U JPS6273248 U JP S6273248U JP 16555885 U JP16555885 U JP 16555885U JP 16555885 U JP16555885 U JP 16555885U JP S6273248 U JPS6273248 U JP S6273248U
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- window glass
- guide path
- front window
- detection device
- 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
- 238000001514 detection method Methods 0.000 claims description 3
- 239000005357 flat glass Substances 0.000 claims 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 230000005540 biological transmission Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Description
第１図は本考案に係る雨滴検出装置の一実施例
を示す略示的断面図、第２図は従来例を示す断面
図である。
１……フロントガラス、２……入射用導光路、
３……光源、４……出射用導光路、５……受光器
、６……ルームミラー、７……凾体、８……伝送
路、９……ダツシユボード、１０……屋根部。
FIG. 1 is a schematic sectional view showing an embodiment of a raindrop detection device according to the present invention, and FIG. 2 is a sectional view showing a conventional example. 1... Windshield, 2... Light guide path for incidence,
3... Light source, 4... Output light guide path, 5... Light receiver, 6... Room mirror, 7... Enclosure, 8... Transmission line, 9... Dash board, 10... Roof section.
Claims (1)
け、前記入射用導光路より前記窓ガラスの内面に
内部反射の臨界角以下で光線を入射し、前記窓ガ
ラスの内面で全反射して前記出射用導光路に達す
る光量で水滴の付着を検出する雨滴検出装置にお
いて、前記入射用導光路はフロント窓ガラス面に
設けられたルームミラー内に設けられ、前記出射
用導光路は自動車ボデイの前記フロント窓ガラス
が接する位置の内部又は近傍に設けてあることを
特徴とする雨滴検出装置。 An input light guide path and an output light guide path are provided on the window glass surface, and a light beam is incident on the inner surface of the window glass from the input light guide path at an angle below the critical angle of internal reflection, and is totally reflected on the inner surface of the window glass. In the raindrop detection device that detects the adhesion of water droplets based on the amount of light that reaches the exit light guide, the entrance light guide is provided in a rearview mirror provided on the front window glass surface, and the exit light guide is installed in a rearview mirror provided on the front window glass surface. A raindrop detection device, characterized in that it is provided inside or near a position where the front window glass contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16555885U JPS6273248U (en) | 1985-10-28 | 1985-10-28 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16555885U JPS6273248U (en) | 1985-10-28 | 1985-10-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6273248U true JPS6273248U (en) | 1987-05-11 |
Family
ID=31095708
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16555885U Pending JPS6273248U (en) | 1985-10-28 | 1985-10-28 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6273248U (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57186157A (en) * | 1981-05-13 | 1982-11-16 | Toyota Motor Corp | Detector for sticking matter on windshield glass |
| JPS587544A (en) * | 1981-07-07 | 1983-01-17 | Nippon Denso Co Ltd | Rain drop detector |
| JPS58161849A (en) * | 1982-03-19 | 1983-09-26 | Fuji Heavy Ind Ltd | Cloud detection for automobile window glass |
| JPS596758B2 (en) * | 1976-12-11 | 1984-02-14 | 株式会社神戸製鋼所 | Welding method |
-
1985
- 1985-10-28 JP JP16555885U patent/JPS6273248U/ja active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS596758B2 (en) * | 1976-12-11 | 1984-02-14 | 株式会社神戸製鋼所 | Welding method |
| JPS57186157A (en) * | 1981-05-13 | 1982-11-16 | Toyota Motor Corp | Detector for sticking matter on windshield glass |
| JPS587544A (en) * | 1981-07-07 | 1983-01-17 | Nippon Denso Co Ltd | Rain drop detector |
| JPS58161849A (en) * | 1982-03-19 | 1983-09-26 | Fuji Heavy Ind Ltd | Cloud detection for automobile window glass |
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