JPH0289594U - - Google Patents
Info
- Publication number
- JPH0289594U JPH0289594U JP16595088U JP16595088U JPH0289594U JP H0289594 U JPH0289594 U JP H0289594U JP 16595088 U JP16595088 U JP 16595088U JP 16595088 U JP16595088 U JP 16595088U JP H0289594 U JPH0289594 U JP H0289594U
- Authority
- JP
- Japan
- Prior art keywords
- smoke
- conversion circuit
- transistor
- fet
- variable resistor
- 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.)
- Granted
Links
- 239000000779 smoke Substances 0.000 claims description 5
- 230000005855 radiation Effects 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims 3
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988165950U JP2504834Y2 (ja) | 1988-12-22 | 1988-12-22 | イオン化式煙感知器 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1988165950U JP2504834Y2 (ja) | 1988-12-22 | 1988-12-22 | イオン化式煙感知器 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH0289594U true JPH0289594U (enrdf_load_html_response) | 1990-07-16 |
JP2504834Y2 JP2504834Y2 (ja) | 1996-07-24 |
Family
ID=31452899
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1988165950U Expired - Lifetime JP2504834Y2 (ja) | 1988-12-22 | 1988-12-22 | イオン化式煙感知器 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2504834Y2 (enrdf_load_html_response) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006011869A (ja) * | 2004-06-25 | 2006-01-12 | Nohmi Bosai Ltd | イオン化式煙感知器 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5150985U (enrdf_load_html_response) * | 1974-10-15 | 1976-04-17 | ||
JPS5218393A (en) * | 1975-08-01 | 1977-02-10 | Nittan Co Ltd | Ion type gas concentration measuring apparatus |
JPS5453344U (enrdf_load_html_response) * | 1977-09-22 | 1979-04-13 |
-
1988
- 1988-12-22 JP JP1988165950U patent/JP2504834Y2/ja not_active Expired - Lifetime
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5150985U (enrdf_load_html_response) * | 1974-10-15 | 1976-04-17 | ||
JPS5218393A (en) * | 1975-08-01 | 1977-02-10 | Nittan Co Ltd | Ion type gas concentration measuring apparatus |
JPS5453344U (enrdf_load_html_response) * | 1977-09-22 | 1979-04-13 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2006011869A (ja) * | 2004-06-25 | 2006-01-12 | Nohmi Bosai Ltd | イオン化式煙感知器 |
Also Published As
Publication number | Publication date |
---|---|
JP2504834Y2 (ja) | 1996-07-24 |