FR1576497A - - Google Patents
Info
- Publication number
- FR1576497A FR1576497A FR1576497DA FR1576497A FR 1576497 A FR1576497 A FR 1576497A FR 1576497D A FR1576497D A FR 1576497DA FR 1576497 A FR1576497 A FR 1576497A
- Authority
- FR
- France
- 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
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
- G08B17/11—Actuation by presence of smoke or gases, e.g. automatic alarm devices for analysing flowing fluid materials by the use of optical means using an ionisation chamber for detecting smoke or gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01T—MEASUREMENT OF NUCLEAR OR X-RADIATION
- G01T7/00—Details of radiation-measuring instruments
- G01T7/12—Provision for actuation of an alarm
- G01T7/125—Alarm- or controlling circuits using ionisation chambers, proportional counters or Geiger-Mueller tubes, also functioning as UV detectors
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Analytical Chemistry (AREA)
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- High Energy & Nuclear Physics (AREA)
- Molecular Biology (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Fire Alarms (AREA)
- Fire-Detection Mechanisms (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR150798 | 1968-05-07 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| FR1576497A true FR1576497A (en) | 1969-08-01 |
Family
ID=8649894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR1576497D Expired FR1576497A (en) | 1968-05-07 | 1968-05-07 |
Country Status (6)
| Country | Link |
|---|---|
| BE (1) | BE732466A (en) |
| CA (1) | CA927527A (en) |
| DE (1) | DE1922987A1 (en) |
| ES (1) | ES366902A1 (en) |
| FR (1) | FR1576497A (en) |
| GB (1) | GB1265893A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3812362A (en) * | 1973-07-02 | 1974-05-21 | Honeywell Inc | Smoke detector circuit |
| RU2455042C1 (en) * | 2011-02-01 | 2012-07-10 | Закрытое Акционерное Общество "Инженерный Центр Пожарной Робототехники "Эфэр" | Automatic plant for fire extinguishing, moistening and treatment of air |
-
1968
- 1968-05-07 FR FR1576497D patent/FR1576497A/fr not_active Expired
-
1969
- 1969-05-02 BE BE732466D patent/BE732466A/xx not_active IP Right Cessation
- 1969-05-05 GB GB1265893D patent/GB1265893A/en not_active Expired
- 1969-05-06 CA CA050671A patent/CA927527A/en not_active Expired
- 1969-05-06 DE DE19691922987 patent/DE1922987A1/en active Pending
- 1969-05-07 ES ES366902A patent/ES366902A1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1265893A (en) | 1972-03-08 |
| DE1922987A1 (en) | 1969-12-11 |
| CA927527A (en) | 1973-05-29 |
| BE732466A (en) | 1969-10-16 |
| ES366902A1 (en) | 1971-03-16 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |