JPH0519934B2 - - Google Patents
Info
- Publication number
- JPH0519934B2 JPH0519934B2 JP60126708A JP12670885A JPH0519934B2 JP H0519934 B2 JPH0519934 B2 JP H0519934B2 JP 60126708 A JP60126708 A JP 60126708A JP 12670885 A JP12670885 A JP 12670885A JP H0519934 B2 JPH0519934 B2 JP H0519934B2
- Authority
- JP
- Japan
- Prior art keywords
- light
- window glass
- water droplets
- reflected
- windshield
- 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.)
- Expired - Lifetime
Links
- 239000005357 flat glass Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 34
- 238000001514 detection method Methods 0.000 claims description 24
- 230000001678 irradiating effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 9
- 239000011521 glass Substances 0.000 description 2
- 238000005286 illumination Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/41—Refractivity; Phase-affecting properties, e.g. optical path length
- G01N21/43—Refractivity; Phase-affecting properties, e.g. optical path length by measuring critical angle
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60126708A JPS61284645A (ja) | 1985-06-11 | 1985-06-11 | ウインドガラスの水滴検出装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60126708A JPS61284645A (ja) | 1985-06-11 | 1985-06-11 | ウインドガラスの水滴検出装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61284645A JPS61284645A (ja) | 1986-12-15 |
| JPH0519934B2 true JPH0519934B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1993-03-18 |
Family
ID=14941889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60126708A Granted JPS61284645A (ja) | 1985-06-11 | 1985-06-11 | ウインドガラスの水滴検出装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61284645A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0789099B2 (ja) * | 1986-10-07 | 1995-09-27 | 日本電装株式会社 | 光学式検出装置 |
| DE3902231A1 (de) * | 1989-01-26 | 1990-08-09 | Voralp Ets | Einrichtung fuer die steuerung eines scheibenwischers |
-
1985
- 1985-06-11 JP JP60126708A patent/JPS61284645A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61284645A (ja) | 1986-12-15 |