FR2540656B1 - - Google Patents
Info
- Publication number
- FR2540656B1 FR2540656B1 FR8302020A FR8302020A FR2540656B1 FR 2540656 B1 FR2540656 B1 FR 2540656B1 FR 8302020 A FR8302020 A FR 8302020A FR 8302020 A FR8302020 A FR 8302020A FR 2540656 B1 FR2540656 B1 FR 2540656B1
- 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
- G08B17/06—Electric actuation of the alarm, e.g. using a thermally-operated switch
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B29/00—Checking or monitoring of signalling or alarm systems; Prevention or correction of operating errors, e.g. preventing unauthorised operation
- G08B29/02—Monitoring continuously signalling or alarm systems
- G08B29/06—Monitoring of the line circuits, e.g. signalling of line faults
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Amplifiers (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8302020A FR2540656A1 (fr) | 1983-02-09 | 1983-02-09 | Dispositif de detection d'incendie utilisant des comparateurs de tension |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR8302020A FR2540656A1 (fr) | 1983-02-09 | 1983-02-09 | Dispositif de detection d'incendie utilisant des comparateurs de tension |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2540656A1 FR2540656A1 (fr) | 1984-08-10 |
FR2540656B1 true FR2540656B1 (es) | 1985-03-29 |
Family
ID=9285747
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8302020A Granted FR2540656A1 (fr) | 1983-02-09 | 1983-02-09 | Dispositif de detection d'incendie utilisant des comparateurs de tension |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2540656A1 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5059953A (en) * | 1990-04-10 | 1991-10-22 | Pacific Scientific Company | Infrared overheat and fire detection system |
FR2664408A1 (fr) * | 1990-07-04 | 1992-01-10 | Spie Trindel | Installation de surveillance et d'alarme. |
CN110338124A (zh) * | 2019-07-04 | 2019-10-18 | 佛山科学技术学院 | 一种智能水产养殖系统 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2329032A1 (fr) * | 1975-10-22 | 1977-05-20 | Hotellier Jacques L | Dispositif de detection des risques d'incendie |
US4203095A (en) * | 1976-09-13 | 1980-05-13 | Potter Electric Signal Co. | Monitoring apparatus for direct wire alarm system |
US4369436A (en) * | 1979-10-22 | 1983-01-18 | American District Telegraph Company | Anti-bridging cable supervision circuit |
GB2065348B (en) * | 1979-12-07 | 1983-06-22 | Rca Security Systems Ltd | Multiple alarm condition detection and signalling |
-
1983
- 1983-02-09 FR FR8302020A patent/FR2540656A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2540656A1 (fr) | 1984-08-10 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |