JPH054079Y2 - - Google Patents
Info
- Publication number
- JPH054079Y2 JPH054079Y2 JP7878787U JP7878787U JPH054079Y2 JP H054079 Y2 JPH054079 Y2 JP H054079Y2 JP 7878787 U JP7878787 U JP 7878787U JP 7878787 U JP7878787 U JP 7878787U JP H054079 Y2 JPH054079 Y2 JP H054079Y2
- Authority
- JP
- Japan
- Prior art keywords
- averaging
- output
- outputs
- detector
- average value
- 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 - Lifetime
Links
- 238000012935 Averaging Methods 0.000 claims description 29
- 230000005856 abnormality Effects 0.000 claims description 17
- 238000001514 detection method Methods 0.000 claims description 14
- 230000007613 environmental effect Effects 0.000 claims description 14
- 239000000779 smoke Substances 0.000 claims description 7
- -1 heat Substances 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 6
- 230000000052 comparative effect Effects 0.000 claims 1
- 238000009825 accumulation Methods 0.000 description 4
- 230000032683 aging Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000002431 foraging effect Effects 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
Landscapes
- Emergency Alarm Devices (AREA)
- Alarm Systems (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7878787U JPH054079Y2 (en, 2012) | 1987-05-27 | 1987-05-27 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7878787U JPH054079Y2 (en, 2012) | 1987-05-27 | 1987-05-27 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63192896U JPS63192896U (en, 2012) | 1988-12-12 |
| JPH054079Y2 true JPH054079Y2 (en, 2012) | 1993-02-01 |
Family
ID=30928047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7878787U Expired - Lifetime JPH054079Y2 (en, 2012) | 1987-05-27 | 1987-05-27 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH054079Y2 (en, 2012) |
-
1987
- 1987-05-27 JP JP7878787U patent/JPH054079Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63192896U (en, 2012) | 1988-12-12 |
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