JPH0342534Y2 - - Google Patents
Info
- Publication number
- JPH0342534Y2 JPH0342534Y2 JP20171084U JP20171084U JPH0342534Y2 JP H0342534 Y2 JPH0342534 Y2 JP H0342534Y2 JP 20171084 U JP20171084 U JP 20171084U JP 20171084 U JP20171084 U JP 20171084U JP H0342534 Y2 JPH0342534 Y2 JP H0342534Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- counter
- intruder
- intrusion
- alarm
- 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 26
- 230000010355 oscillation Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20171084U JPH0342534Y2 (instruction) | 1984-12-26 | 1984-12-26 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20171084U JPH0342534Y2 (instruction) | 1984-12-26 | 1984-12-26 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61112484U JPS61112484U (instruction) | 1986-07-16 |
| JPH0342534Y2 true JPH0342534Y2 (instruction) | 1991-09-05 |
Family
ID=30763759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20171084U Expired JPH0342534Y2 (instruction) | 1984-12-26 | 1984-12-26 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0342534Y2 (instruction) |
-
1984
- 1984-12-26 JP JP20171084U patent/JPH0342534Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61112484U (instruction) | 1986-07-16 |
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