JPS63139398U - - Google Patents
Info
- Publication number
- JPS63139398U JPS63139398U JP3087087U JP3087087U JPS63139398U JP S63139398 U JPS63139398 U JP S63139398U JP 3087087 U JP3087087 U JP 3087087U JP 3087087 U JP3087087 U JP 3087087U JP S63139398 U JPS63139398 U JP S63139398U
- Authority
- JP
- Japan
- Prior art keywords
- light
- blocking
- safety device
- receiving means
- light receiving
- 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
- 230000000903 blocking effect Effects 0.000 claims description 4
- 238000012790 confirmation Methods 0.000 claims description 3
- 230000005856 abnormality Effects 0.000 claims 1
- 238000001514 detection method Methods 0.000 claims 1
- 230000003287 optical effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Geophysics And Detection Of Objects (AREA)
- Auxiliary Devices For Machine Tools (AREA)
- Component Parts Of Construction Machinery (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3087087U JPS63139398U (fi) | 1987-03-03 | 1987-03-03 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP3087087U JPS63139398U (fi) | 1987-03-03 | 1987-03-03 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63139398U true JPS63139398U (fi) | 1988-09-13 |
Family
ID=30836074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP3087087U Pending JPS63139398U (fi) | 1987-03-03 | 1987-03-03 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63139398U (fi) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856480U (ja) * | 1981-10-09 | 1983-04-16 | 株式会社東芝 | 電気機器の保護カバ− |
-
1987
- 1987-03-03 JP JP3087087U patent/JPS63139398U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5856480U (ja) * | 1981-10-09 | 1983-04-16 | 株式会社東芝 | 電気機器の保護カバ− |
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