JPH0439716B2 - - Google Patents
Info
- Publication number
- JPH0439716B2 JPH0439716B2 JP59272564A JP27256484A JPH0439716B2 JP H0439716 B2 JPH0439716 B2 JP H0439716B2 JP 59272564 A JP59272564 A JP 59272564A JP 27256484 A JP27256484 A JP 27256484A JP H0439716 B2 JPH0439716 B2 JP H0439716B2
- Authority
- JP
- Japan
- Prior art keywords
- pulse
- signal
- output
- pulse width
- 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 - Lifetime
Links
- 238000006243 chemical reaction Methods 0.000 claims description 30
- 238000001514 detection method Methods 0.000 claims description 26
- 239000000779 smoke Substances 0.000 description 36
- 230000005540 biological transmission Effects 0.000 description 9
- 239000003990 capacitor Substances 0.000 description 9
- 238000012544 monitoring process Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000002238 attenuated effect Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000008094 contradictory effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27256484A JPS61148598A (ja) | 1984-12-24 | 1984-12-24 | アナログ式火災感知器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP27256484A JPS61148598A (ja) | 1984-12-24 | 1984-12-24 | アナログ式火災感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS61148598A JPS61148598A (ja) | 1986-07-07 |
JPH0439716B2 true JPH0439716B2 (es) | 1992-06-30 |
Family
ID=17515660
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP27256484A Granted JPS61148598A (ja) | 1984-12-24 | 1984-12-24 | アナログ式火災感知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS61148598A (es) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5566093A (en) * | 1978-11-13 | 1980-05-19 | Nohmi Bosai Kogyo Co Ltd | Abnormality transmitting device |
JPS593698A (ja) * | 1982-06-30 | 1984-01-10 | 松下電工株式会社 | 光電式煙感知器 |
JPS59139493A (ja) * | 1983-01-28 | 1984-08-10 | 松下電工株式会社 | アナログ出力型煙検知回路 |
-
1984
- 1984-12-24 JP JP27256484A patent/JPS61148598A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5566093A (en) * | 1978-11-13 | 1980-05-19 | Nohmi Bosai Kogyo Co Ltd | Abnormality transmitting device |
JPS593698A (ja) * | 1982-06-30 | 1984-01-10 | 松下電工株式会社 | 光電式煙感知器 |
JPS59139493A (ja) * | 1983-01-28 | 1984-08-10 | 松下電工株式会社 | アナログ出力型煙検知回路 |
Also Published As
Publication number | Publication date |
---|---|
JPS61148598A (ja) | 1986-07-07 |
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