JPS59172093A - 火災などの異常警報装置 - Google Patents
火災などの異常警報装置Info
- Publication number
- JPS59172093A JPS59172093A JP4668283A JP4668283A JPS59172093A JP S59172093 A JPS59172093 A JP S59172093A JP 4668283 A JP4668283 A JP 4668283A JP 4668283 A JP4668283 A JP 4668283A JP S59172093 A JPS59172093 A JP S59172093A
- Authority
- JP
- Japan
- Prior art keywords
- fire
- smoke
- value
- outputs
- detects
- 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
Landscapes
- Fire Alarms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4668283A JPS59172093A (ja) | 1983-03-21 | 1983-03-21 | 火災などの異常警報装置 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4668283A JPS59172093A (ja) | 1983-03-21 | 1983-03-21 | 火災などの異常警報装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS59172093A true JPS59172093A (ja) | 1984-09-28 |
JPH0217836B2 JPH0217836B2 (cs) | 1990-04-23 |
Family
ID=12754146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4668283A Granted JPS59172093A (ja) | 1983-03-21 | 1983-03-21 | 火災などの異常警報装置 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS59172093A (cs) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6115300A (ja) * | 1984-06-29 | 1986-01-23 | ホーチキ株式会社 | 火災警報装置 |
JPS61237195A (ja) * | 1985-04-12 | 1986-10-22 | ホーチキ株式会社 | 火災報知装置 |
JPH01298498A (ja) * | 1988-05-27 | 1989-12-01 | Nohmi Bosai Ltd | 火災状態の検出装置 |
WO1990004241A1 (en) * | 1988-10-13 | 1990-04-19 | Nohmi Bosai Kabushiki Kaisha | Fire alarm apparatus |
WO1990006567A1 (en) * | 1988-12-02 | 1990-06-14 | Nohmi Bosai Kabushiki Kaisha | Fire alarm |
US5483222A (en) * | 1993-11-15 | 1996-01-09 | Pittway Corporation | Multiple sensor apparatus and method |
US5627515A (en) * | 1995-02-24 | 1997-05-06 | Pittway Corporation | Alarm system with multiple cooperating sensors |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5530794A (en) * | 1978-05-01 | 1980-03-04 | Anglo Amer Corp South Africa | Method and apparatus for detecting ratio of signal variation |
JPS5597690A (en) * | 1978-09-15 | 1980-07-25 | Anglo Amer Corp South Africa | Alarm device and method of processing analog output signal from sensor |
-
1983
- 1983-03-21 JP JP4668283A patent/JPS59172093A/ja active Granted
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5530794A (en) * | 1978-05-01 | 1980-03-04 | Anglo Amer Corp South Africa | Method and apparatus for detecting ratio of signal variation |
JPS5597690A (en) * | 1978-09-15 | 1980-07-25 | Anglo Amer Corp South Africa | Alarm device and method of processing analog output signal from sensor |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6115300A (ja) * | 1984-06-29 | 1986-01-23 | ホーチキ株式会社 | 火災警報装置 |
JPS61237195A (ja) * | 1985-04-12 | 1986-10-22 | ホーチキ株式会社 | 火災報知装置 |
JPH0381198B2 (cs) * | 1985-04-12 | 1991-12-27 | Hoochiki Kk | |
JPH01298498A (ja) * | 1988-05-27 | 1989-12-01 | Nohmi Bosai Ltd | 火災状態の検出装置 |
WO1990004241A1 (en) * | 1988-10-13 | 1990-04-19 | Nohmi Bosai Kabushiki Kaisha | Fire alarm apparatus |
WO1990006567A1 (en) * | 1988-12-02 | 1990-06-14 | Nohmi Bosai Kabushiki Kaisha | Fire alarm |
US5168262A (en) * | 1988-12-02 | 1992-12-01 | Nohmi Bosai Kabushiki Kaisha | Fire alarm system |
US5483222A (en) * | 1993-11-15 | 1996-01-09 | Pittway Corporation | Multiple sensor apparatus and method |
US5627515A (en) * | 1995-02-24 | 1997-05-06 | Pittway Corporation | Alarm system with multiple cooperating sensors |
Also Published As
Publication number | Publication date |
---|---|
JPH0217836B2 (cs) | 1990-04-23 |
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