JPS5657943A - Smoke sensing system - Google Patents
Smoke sensing systemInfo
- Publication number
- JPS5657943A JPS5657943A JP13460279A JP13460279A JPS5657943A JP S5657943 A JPS5657943 A JP S5657943A JP 13460279 A JP13460279 A JP 13460279A JP 13460279 A JP13460279 A JP 13460279A JP S5657943 A JPS5657943 A JP S5657943A
- Authority
- JP
- Japan
- Prior art keywords
- feed voltage
- voltage
- smoke
- circuit
- feed
- 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.)
- Pending
Links
Landscapes
- Fire-Detection Mechanisms (AREA)
- Emergency Alarm Devices (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13460279A JPS5657943A (en) | 1979-10-15 | 1979-10-15 | Smoke sensing system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13460279A JPS5657943A (en) | 1979-10-15 | 1979-10-15 | Smoke sensing system |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5657943A true JPS5657943A (en) | 1981-05-20 |
Family
ID=15132227
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13460279A Pending JPS5657943A (en) | 1979-10-15 | 1979-10-15 | Smoke sensing system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5657943A (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5818797A (ja) * | 1981-07-23 | 1983-02-03 | 松下電工株式会社 | 報知装置 |
JPS6146690U (ja) * | 1984-08-30 | 1986-03-28 | ホーチキ株式会社 | 蓄積型火災報知受信機 |
JPS6146692U (ja) * | 1984-08-25 | 1986-03-28 | 松下電工株式会社 | 火報システム |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5229796A (en) * | 1975-09-01 | 1977-03-05 | Matsushita Electric Works Ltd | Smoke detector |
-
1979
- 1979-10-15 JP JP13460279A patent/JPS5657943A/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5229796A (en) * | 1975-09-01 | 1977-03-05 | Matsushita Electric Works Ltd | Smoke detector |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5818797A (ja) * | 1981-07-23 | 1983-02-03 | 松下電工株式会社 | 報知装置 |
JPH0248954B2 (ja) * | 1981-07-23 | 1990-10-26 | Matsushita Electric Works Ltd | |
JPS6146692U (ja) * | 1984-08-25 | 1986-03-28 | 松下電工株式会社 | 火報システム |
JPS6146690U (ja) * | 1984-08-30 | 1986-03-28 | ホーチキ株式会社 | 蓄積型火災報知受信機 |
JPH0512867Y2 (ja) * | 1984-08-30 | 1993-04-05 |
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