JPS6136200Y2 - - Google Patents
Info
- Publication number
- JPS6136200Y2 JPS6136200Y2 JP4410080U JP4410080U JPS6136200Y2 JP S6136200 Y2 JPS6136200 Y2 JP S6136200Y2 JP 4410080 U JP4410080 U JP 4410080U JP 4410080 U JP4410080 U JP 4410080U JP S6136200 Y2 JPS6136200 Y2 JP S6136200Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- photoelectric device
- reflective
- shielding plate
- building
- 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
- 238000004140 cleaning Methods 0.000 claims description 15
- 230000003287 optical effect Effects 0.000 claims description 6
- 230000000903 blocking effect Effects 0.000 claims 1
- 230000000694 effects Effects 0.000 description 2
- 230000003028 elevating effect Effects 0.000 description 2
- 238000007796 conventional method Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000005357 flat glass Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4410080U JPS6136200Y2 (enrdf_load_stackoverflow) | 1980-04-02 | 1980-04-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4410080U JPS6136200Y2 (enrdf_load_stackoverflow) | 1980-04-02 | 1980-04-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56145460U JPS56145460U (enrdf_load_stackoverflow) | 1981-11-02 |
| JPS6136200Y2 true JPS6136200Y2 (enrdf_load_stackoverflow) | 1986-10-21 |
Family
ID=29639376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4410080U Expired JPS6136200Y2 (enrdf_load_stackoverflow) | 1980-04-02 | 1980-04-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6136200Y2 (enrdf_load_stackoverflow) |
-
1980
- 1980-04-02 JP JP4410080U patent/JPS6136200Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS56145460U (enrdf_load_stackoverflow) | 1981-11-02 |
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