JPS4864977A - - Google Patents
Info
- Publication number
- JPS4864977A JPS4864977A JP9977571A JP9977571A JPS4864977A JP S4864977 A JPS4864977 A JP S4864977A JP 9977571 A JP9977571 A JP 9977571A JP 9977571 A JP9977571 A JP 9977571A JP S4864977 A JPS4864977 A JP S4864977A
- 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.)
- Granted
Links
Landscapes
- Investigating Or Analysing Materials By Optical Means (AREA)
- Fire-Detection Mechanisms (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9977571A JPS5313982B2 (en) | 1971-12-09 | 1971-12-09 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP9977571A JPS5313982B2 (en) | 1971-12-09 | 1971-12-09 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS4864977A true JPS4864977A (en) | 1973-09-07 |
JPS5313982B2 JPS5313982B2 (en) | 1978-05-13 |
Family
ID=14256317
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP9977571A Expired JPS5313982B2 (en) | 1971-12-09 | 1971-12-09 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5313982B2 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52103998A (en) * | 1976-02-26 | 1977-08-31 | Mitsubishi Electric Corp | Smoke detection device |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3524707A (en) * | 1967-08-14 | 1970-08-18 | Julian E Hansen Sr | Pulsating light source smoke detector |
-
1971
- 1971-12-09 JP JP9977571A patent/JPS5313982B2/ja not_active Expired
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3524707A (en) * | 1967-08-14 | 1970-08-18 | Julian E Hansen Sr | Pulsating light source smoke detector |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS52103998A (en) * | 1976-02-26 | 1977-08-31 | Mitsubishi Electric Corp | Smoke detection device |
Also Published As
Publication number | Publication date |
---|---|
JPS5313982B2 (en) | 1978-05-13 |