JPH0213660Y2 - - Google Patents
Info
- Publication number
- JPH0213660Y2 JPH0213660Y2 JP10513682U JP10513682U JPH0213660Y2 JP H0213660 Y2 JPH0213660 Y2 JP H0213660Y2 JP 10513682 U JP10513682 U JP 10513682U JP 10513682 U JP10513682 U JP 10513682U JP H0213660 Y2 JPH0213660 Y2 JP H0213660Y2
- Authority
- JP
- Japan
- Prior art keywords
- magnetic field
- electric
- plate
- lock
- lock knob
- 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.)
- Expired
Links
- 238000001514 detection method Methods 0.000 claims description 15
- 230000004907 flux Effects 0.000 description 8
- 230000007423 decrease Effects 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 235000014676 Phragmites communis Nutrition 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000005415 magnetization Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000009751 slip forming Methods 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Emergency Alarm Devices (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10513682U JPS5910456U (ja) | 1982-07-13 | 1982-07-13 | 電気錠の防犯警報装置 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10513682U JPS5910456U (ja) | 1982-07-13 | 1982-07-13 | 電気錠の防犯警報装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5910456U JPS5910456U (ja) | 1984-01-23 |
| JPH0213660Y2 true JPH0213660Y2 (US20100056889A1-20100304-C00004.png) | 1990-04-16 |
Family
ID=30246566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10513682U Granted JPS5910456U (ja) | 1982-07-13 | 1982-07-13 | 電気錠の防犯警報装置 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5910456U (US20100056889A1-20100304-C00004.png) |
-
1982
- 1982-07-13 JP JP10513682U patent/JPS5910456U/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5910456U (ja) | 1984-01-23 |
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