JPH01160386U - - Google Patents
Info
- Publication number
- JPH01160386U JPH01160386U JP5604188U JP5604188U JPH01160386U JP H01160386 U JPH01160386 U JP H01160386U JP 5604188 U JP5604188 U JP 5604188U JP 5604188 U JP5604188 U JP 5604188U JP H01160386 U JPH01160386 U JP H01160386U
- Authority
- JP
- Japan
- Prior art keywords
- glass body
- light emitting
- emitting element
- attached
- pulse signal
- 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
- 239000011521 glass Substances 0.000 claims description 6
- 238000001514 detection method Methods 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 claims 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Investigating Materials By The Use Of Optical Means Adapted For Particular Applications (AREA)
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5604188U JPH01160386U (da) | 1988-04-26 | 1988-04-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5604188U JPH01160386U (da) | 1988-04-26 | 1988-04-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01160386U true JPH01160386U (da) | 1989-11-07 |
Family
ID=31281928
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5604188U Pending JPH01160386U (da) | 1988-04-26 | 1988-04-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01160386U (da) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51127699A (en) * | 1975-04-30 | 1976-11-06 | Nagoya Denki Kogyo Kk | Glass breakage detector |
-
1988
- 1988-04-26 JP JP5604188U patent/JPH01160386U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS51127699A (en) * | 1975-04-30 | 1976-11-06 | Nagoya Denki Kogyo Kk | Glass breakage detector |