JPH01168934U - - Google Patents
Info
- Publication number
- JPH01168934U JPH01168934U JP6644788U JP6644788U JPH01168934U JP H01168934 U JPH01168934 U JP H01168934U JP 6644788 U JP6644788 U JP 6644788U JP 6644788 U JP6644788 U JP 6644788U JP H01168934 U JPH01168934 U JP H01168934U
- Authority
- JP
- Japan
- Prior art keywords
- light
- retroreflector
- receiver
- comparator
- 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
- 230000000903 blocking effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
- 238000001514 detection method Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 1
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
- Electronic Switches (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6644788U JPH01168934U (en]) | 1988-05-19 | 1988-05-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6644788U JPH01168934U (en]) | 1988-05-19 | 1988-05-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01168934U true JPH01168934U (en]) | 1989-11-29 |
Family
ID=31291853
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6644788U Pending JPH01168934U (en]) | 1988-05-19 | 1988-05-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01168934U (en]) |
-
1988
- 1988-05-19 JP JP6644788U patent/JPH01168934U/ja active Pending
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