JPS4931151B1 - - Google Patents
Info
- Publication number
- JPS4931151B1 JPS4931151B1 JP7510069A JP7510069A JPS4931151B1 JP S4931151 B1 JPS4931151 B1 JP S4931151B1 JP 7510069 A JP7510069 A JP 7510069A JP 7510069 A JP7510069 A JP 7510069A JP S4931151 B1 JPS4931151 B1 JP S4931151B1
- Authority
- JP
- Japan
- 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
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7510069A JPS4931151B1 (en) | 1969-09-19 | 1969-09-19 | |
US00072361A US3708675A (en) | 1969-09-19 | 1970-09-15 | Smoke detector in which air entrance and egress are located in oppositely disposed surfaces which are shaped to cause an air velocity differential |
DE2046492A DE2046492C3 (en) | 1969-09-19 | 1970-09-21 | smoke detector |
GB4481770A GB1320579A (en) | 1969-09-19 | 1970-09-21 | Smoke detector |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7510069A JPS4931151B1 (en) | 1969-09-19 | 1969-09-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS4931151B1 true JPS4931151B1 (en) | 1974-08-19 |
Family
ID=13566399
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7510069A Pending JPS4931151B1 (en) | 1969-09-19 | 1969-09-19 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS4931151B1 (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010257175A (en) * | 2009-04-24 | 2010-11-11 | Panasonic Electric Works Co Ltd | Alarm |
JP2010271894A (en) * | 2009-05-21 | 2010-12-02 | Panasonic Electric Works Co Ltd | Smoke detecting alarm |
JP2011128866A (en) * | 2009-12-17 | 2011-06-30 | Nohmi Bosai Ltd | Photoelectric smoke sensor |
JP2013168182A (en) * | 2013-05-22 | 2013-08-29 | Nohmi Bosai Ltd | Photoelectric smoke sensor |
-
1969
- 1969-09-19 JP JP7510069A patent/JPS4931151B1/ja active Pending
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2010257175A (en) * | 2009-04-24 | 2010-11-11 | Panasonic Electric Works Co Ltd | Alarm |
JP2010271894A (en) * | 2009-05-21 | 2010-12-02 | Panasonic Electric Works Co Ltd | Smoke detecting alarm |
JP2011128866A (en) * | 2009-12-17 | 2011-06-30 | Nohmi Bosai Ltd | Photoelectric smoke sensor |
JP2013168182A (en) * | 2013-05-22 | 2013-08-29 | Nohmi Bosai Ltd | Photoelectric smoke sensor |