JPH0463336B2 - - Google Patents
Info
- Publication number
- JPH0463336B2 JPH0463336B2 JP61068207A JP6820786A JPH0463336B2 JP H0463336 B2 JPH0463336 B2 JP H0463336B2 JP 61068207 A JP61068207 A JP 61068207A JP 6820786 A JP6820786 A JP 6820786A JP H0463336 B2 JPH0463336 B2 JP H0463336B2
- Authority
- JP
- Japan
- Prior art keywords
- frequency
- light
- detection
- pass filter
- low
- 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
Links
- 238000001514 detection method Methods 0.000 claims description 80
- 238000010586 diagram Methods 0.000 description 11
- 230000007423 decrease Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 2
- 238000013016 damping Methods 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- MDPILPRLPQYEEN-UHFFFAOYSA-N aluminium arsenide Chemical compound [As]#[Al] MDPILPRLPQYEEN-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000012447 hatching Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61068207A JPS62225930A (ja) | 1986-03-26 | 1986-03-26 | 車載用雨滴検知装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61068207A JPS62225930A (ja) | 1986-03-26 | 1986-03-26 | 車載用雨滴検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62225930A JPS62225930A (ja) | 1987-10-03 |
| JPH0463336B2 true JPH0463336B2 (de) | 1992-10-09 |
Family
ID=13367117
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61068207A Granted JPS62225930A (ja) | 1986-03-26 | 1986-03-26 | 車載用雨滴検知装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62225930A (de) |
-
1986
- 1986-03-26 JP JP61068207A patent/JPS62225930A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62225930A (ja) | 1987-10-03 |
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