JPH0152795B2 - - Google Patents
Info
- Publication number
- JPH0152795B2 JPH0152795B2 JP20829481A JP20829481A JPH0152795B2 JP H0152795 B2 JPH0152795 B2 JP H0152795B2 JP 20829481 A JP20829481 A JP 20829481A JP 20829481 A JP20829481 A JP 20829481A JP H0152795 B2 JPH0152795 B2 JP H0152795B2
- Authority
- JP
- Japan
- Prior art keywords
- switch
- false alarm
- door
- alarm prevention
- identification circuit
- 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
- 230000002265 prevention Effects 0.000 claims description 25
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 3
- 230000010355 oscillation Effects 0.000 description 3
- 230000005236 sound signal Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
Landscapes
- Burglar Alarm Systems (AREA)
- Alarm Systems (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20829481A JPS58109998A (ja) | 1981-12-23 | 1981-12-23 | 非常通報装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP20829481A JPS58109998A (ja) | 1981-12-23 | 1981-12-23 | 非常通報装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS58109998A JPS58109998A (ja) | 1983-06-30 |
JPH0152795B2 true JPH0152795B2 (da) | 1989-11-10 |
Family
ID=16553866
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP20829481A Granted JPS58109998A (ja) | 1981-12-23 | 1981-12-23 | 非常通報装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS58109998A (da) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4739007A (en) * | 1985-09-30 | 1988-04-19 | Kabushiki Kaisha Toyota Chou Kenkyusho | Composite material and process for manufacturing same |
JPH02224093A (ja) * | 1988-10-31 | 1990-09-06 | Kokusan Kinzoku Kogyo Co Ltd | 侵入監視用表示装置 |
-
1981
- 1981-12-23 JP JP20829481A patent/JPS58109998A/ja active Granted
Also Published As
Publication number | Publication date |
---|---|
JPS58109998A (ja) | 1983-06-30 |
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