JPH0439002U - - Google Patents
Info
- Publication number
- JPH0439002U JPH0439002U JP8004890U JP8004890U JPH0439002U JP H0439002 U JPH0439002 U JP H0439002U JP 8004890 U JP8004890 U JP 8004890U JP 8004890 U JP8004890 U JP 8004890U JP H0439002 U JPH0439002 U JP H0439002U
- Authority
- JP
- Japan
- Prior art keywords
- train
- light reflecting
- reflecting surface
- self
- photoelectric switch
- 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 4
Landscapes
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8004890U JPH0439002U (en]) | 1990-07-26 | 1990-07-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8004890U JPH0439002U (en]) | 1990-07-26 | 1990-07-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0439002U true JPH0439002U (en]) | 1992-04-02 |
Family
ID=31624756
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8004890U Pending JPH0439002U (en]) | 1990-07-26 | 1990-07-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0439002U (en]) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54130175A (en) * | 1978-03-31 | 1979-10-09 | Hitachi Ltd | Safety device |
| JPS55156193A (en) * | 1979-05-18 | 1980-12-04 | Hitachi Ltd | Device for preventing hoist from bumping against rear of another hoist |
| JPS63252276A (ja) * | 1987-04-08 | 1988-10-19 | Takenaka Denshi Kogyo Kk | ミラ−反射型変位センサ− |
-
1990
- 1990-07-26 JP JP8004890U patent/JPH0439002U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54130175A (en) * | 1978-03-31 | 1979-10-09 | Hitachi Ltd | Safety device |
| JPS55156193A (en) * | 1979-05-18 | 1980-12-04 | Hitachi Ltd | Device for preventing hoist from bumping against rear of another hoist |
| JPS63252276A (ja) * | 1987-04-08 | 1988-10-19 | Takenaka Denshi Kogyo Kk | ミラ−反射型変位センサ− |