JPH0460276B2 - - Google Patents
Info
- Publication number
- JPH0460276B2 JPH0460276B2 JP1500286A JP1500286A JPH0460276B2 JP H0460276 B2 JPH0460276 B2 JP H0460276B2 JP 1500286 A JP1500286 A JP 1500286A JP 1500286 A JP1500286 A JP 1500286A JP H0460276 B2 JPH0460276 B2 JP H0460276B2
- Authority
- JP
- Japan
- Prior art keywords
- voltage
- circuit
- smoke
- output
- switch element
- 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
- 239000000779 smoke Substances 0.000 claims description 37
- 230000007423 decrease Effects 0.000 claims description 15
- 230000035945 sensitivity Effects 0.000 claims description 15
- 230000003321 amplification Effects 0.000 claims description 12
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 12
- 239000003990 capacitor Substances 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 5
- 230000010355 oscillation Effects 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 4
- 230000002265 prevention Effects 0.000 claims description 4
- 230000003287 optical effect Effects 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1500286A JPS62173595A (ja) | 1986-01-27 | 1986-01-27 | 光電式煙感知器の失報防止回路 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1500286A JPS62173595A (ja) | 1986-01-27 | 1986-01-27 | 光電式煙感知器の失報防止回路 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62173595A JPS62173595A (ja) | 1987-07-30 |
| JPH0460276B2 true JPH0460276B2 (forum.php) | 1992-09-25 |
Family
ID=11876693
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1500286A Granted JPS62173595A (ja) | 1986-01-27 | 1986-01-27 | 光電式煙感知器の失報防止回路 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62173595A (forum.php) |
-
1986
- 1986-01-27 JP JP1500286A patent/JPS62173595A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62173595A (ja) | 1987-07-30 |
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