JPS544699A - Safety device - Google Patents
Safety deviceInfo
- Publication number
- JPS544699A JPS544699A JP6906877A JP6906877A JPS544699A JP S544699 A JPS544699 A JP S544699A JP 6906877 A JP6906877 A JP 6906877A JP 6906877 A JP6906877 A JP 6906877A JP S544699 A JPS544699 A JP S544699A
- Authority
- JP
- Japan
- Prior art keywords
- safety device
- smokes
- actuates
- wires
- sensing
- 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 Alarms (AREA)
Abstract
PURPOSE: To provide a safety device which has a small number of wires and has small electric power consumption and which actuates a fire proof shutter by sensing smokes.
COPYRIGHT: (C)1979,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6906877A JPS544699A (en) | 1977-06-10 | 1977-06-10 | Safety device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6906877A JPS544699A (en) | 1977-06-10 | 1977-06-10 | Safety device |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS544699A true JPS544699A (en) | 1979-01-13 |
Family
ID=13391880
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6906877A Pending JPS544699A (en) | 1977-06-10 | 1977-06-10 | Safety device |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS544699A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018206013A (en) * | 2017-06-02 | 2018-12-27 | ニッタン株式会社 | Fireproof system, control device, and control method |
-
1977
- 1977-06-10 JP JP6906877A patent/JPS544699A/en active Pending
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2018206013A (en) * | 2017-06-02 | 2018-12-27 | ニッタン株式会社 | Fireproof system, control device, and control method |
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