JPS50111999A - - Google Patents
Info
- Publication number
- JPS50111999A JPS50111999A JP49096944A JP9694474A JPS50111999A JP S50111999 A JPS50111999 A JP S50111999A JP 49096944 A JP49096944 A JP 49096944A JP 9694474 A JP9694474 A JP 9694474A JP S50111999 A JPS50111999 A JP S50111999A
- 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
Classifications
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B17/00—Fire alarms; Alarms responsive to explosion
- G08B17/10—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means
- G08B17/117—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means by using a detection device for specific gases, e.g. combustion products, produced by the fire
Landscapes
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Emergency Alarm Devices (AREA)
- Fire-Detection Mechanisms (AREA)
- Fire Alarms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ZA735805A ZA735805B (en) | 1973-08-24 | 1973-08-24 | Improvements in or relating to the detection of fires |
| ZA743020 | 1974-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS50111999A true JPS50111999A (en) | 1975-09-03 |
Family
ID=27131086
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP49096944A Pending JPS50111999A (en) | 1973-08-24 | 1974-08-23 |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS50111999A (en) |
| BR (1) | BR7407018D0 (en) |
| DE (1) | DE2440309A1 (en) |
| FR (1) | FR2241836A1 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| LU76937A1 (en) * | 1977-03-11 | 1978-10-18 | ||
| ZA782493B (en) * | 1978-05-01 | 1979-12-27 | Anglo Amer Corp South Africa | Rate of change detection |
-
1974
- 1974-08-20 DE DE2440309A patent/DE2440309A1/en active Pending
- 1974-08-23 JP JP49096944A patent/JPS50111999A/ja active Pending
- 1974-08-23 BR BR7018/74A patent/BR7407018D0/en unknown
- 1974-08-23 FR FR7429073A patent/FR2241836A1/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| AU7256074A (en) | 1976-02-26 |
| FR2241836B1 (en) | 1978-02-17 |
| DE2440309A1 (en) | 1975-03-27 |
| BR7407018D0 (en) | 1975-06-24 |
| FR2241836A1 (en) | 1975-03-21 |