JPS5618995B2 - - Google Patents
Info
- Publication number
- JPS5618995B2 JPS5618995B2 JP9064875A JP9064875A JPS5618995B2 JP S5618995 B2 JPS5618995 B2 JP S5618995B2 JP 9064875 A JP9064875 A JP 9064875A JP 9064875 A JP9064875 A JP 9064875A JP S5618995 B2 JPS5618995 B2 JP S5618995B2
- 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.)
- Expired
Links
Landscapes
- Fire-Detection Mechanisms (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9064875A JPS5214400A (en) | 1975-07-24 | 1975-07-24 | Photoelectric type smoke sensor with self-diagnosing circuit capable of monitoring dust cleaner mesh choking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9064875A JPS5214400A (en) | 1975-07-24 | 1975-07-24 | Photoelectric type smoke sensor with self-diagnosing circuit capable of monitoring dust cleaner mesh choking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS5214400A JPS5214400A (en) | 1977-02-03 |
| JPS5618995B2 true JPS5618995B2 (en) | 1981-05-02 |
Family
ID=14004319
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9064875A Granted JPS5214400A (en) | 1975-07-24 | 1975-07-24 | Photoelectric type smoke sensor with self-diagnosing circuit capable of monitoring dust cleaner mesh choking |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5214400A (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2832931B2 (en) * | 1987-05-26 | 1998-12-09 | 松下電工株式会社 | Fire alarm device with analog sensor |
| JPH02181297A (en) * | 1989-01-06 | 1990-07-16 | Oki Denki Bosai Kk | Smoke sensor with test function |
| JPH03245296A (en) * | 1990-02-23 | 1991-10-31 | Oki Denki Bosai Kk | Testing method for smoke sensor and smoke sensor |
| JP4981404B2 (en) * | 2006-10-16 | 2012-07-18 | ニッタン株式会社 | Particle counter type smoke detector |
| CA2955571A1 (en) | 2014-09-30 | 2016-04-07 | Philip Morris Products S.A. | Method for the production of homogenized tobacco material |
-
1975
- 1975-07-24 JP JP9064875A patent/JPS5214400A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS5214400A (en) | 1977-02-03 |