JPS52133796A - Fire alarm - Google Patents
Fire alarmInfo
- Publication number
- JPS52133796A JPS52133796A JP5066376A JP5066376A JPS52133796A JP S52133796 A JPS52133796 A JP S52133796A JP 5066376 A JP5066376 A JP 5066376A JP 5066376 A JP5066376 A JP 5066376A JP S52133796 A JPS52133796 A JP S52133796A
- Authority
- JP
- Japan
- Prior art keywords
- smoke
- fire alarm
- points
- detecting points
- detecing
- 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)
Abstract
PURPOSE: To obtain the moving speed of smoke by obtaining the distance between smoke detecing points from the delay time in operation of first, second smoke detecting points as well as to detect the density of smoke from the smoke detecting points.
COPYRIGHT: (C)1977,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5066376A JPS52133796A (en) | 1976-04-30 | 1976-04-30 | Fire alarm |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5066376A JPS52133796A (en) | 1976-04-30 | 1976-04-30 | Fire alarm |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS52133796A true JPS52133796A (en) | 1977-11-09 |
Family
ID=12865182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5066376A Pending JPS52133796A (en) | 1976-04-30 | 1976-04-30 | Fire alarm |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS52133796A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63211496A (en) * | 1987-02-27 | 1988-09-02 | ホーチキ株式会社 | Fire detector apparatus |
-
1976
- 1976-04-30 JP JP5066376A patent/JPS52133796A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63211496A (en) * | 1987-02-27 | 1988-09-02 | ホーチキ株式会社 | Fire detector apparatus |
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