JPS61158886U - - Google Patents
Info
- Publication number
- JPS61158886U JPS61158886U JP4250385U JP4250385U JPS61158886U JP S61158886 U JPS61158886 U JP S61158886U JP 4250385 U JP4250385 U JP 4250385U JP 4250385 U JP4250385 U JP 4250385U JP S61158886 U JPS61158886 U JP S61158886U
- Authority
- JP
- Japan
- Prior art keywords
- light
- light receiver
- detection area
- detected
- detection
- 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
- Burglar Alarm Systems (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4250385U JPS61158886U (fi) | 1985-03-25 | 1985-03-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4250385U JPS61158886U (fi) | 1985-03-25 | 1985-03-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61158886U true JPS61158886U (fi) | 1986-10-02 |
Family
ID=30553317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4250385U Pending JPS61158886U (fi) | 1985-03-25 | 1985-03-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61158886U (fi) |
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1985
- 1985-03-25 JP JP4250385U patent/JPS61158886U/ja active Pending