JPH0258887U - - Google Patents
Info
- Publication number
- JPH0258887U JPH0258887U JP13593388U JP13593388U JPH0258887U JP H0258887 U JPH0258887 U JP H0258887U JP 13593388 U JP13593388 U JP 13593388U JP 13593388 U JP13593388 U JP 13593388U JP H0258887 U JPH0258887 U JP H0258887U
- Authority
- JP
- Japan
- Prior art keywords
- light
- opening
- light emitter
- detection device
- human body
- 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
- 230000003287 optical effect Effects 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims 2
- 230000002265 prevention Effects 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13593388U JPH0258887U (bg) | 1988-10-17 | 1988-10-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13593388U JPH0258887U (bg) | 1988-10-17 | 1988-10-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0258887U true JPH0258887U (bg) | 1990-04-27 |
Family
ID=31395977
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13593388U Pending JPH0258887U (bg) | 1988-10-17 | 1988-10-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0258887U (bg) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS515665B2 (bg) * | 1972-03-17 | 1976-02-21 |
-
1988
- 1988-10-17 JP JP13593388U patent/JPH0258887U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS515665B2 (bg) * | 1972-03-17 | 1976-02-21 |