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
Application number
FR8302020A
Other languages
French (fr)
Other versions
FR2540656A1 (fr
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LHOTELLIER ETS LOUIS
Original Assignee
LHOTELLIER ETS LOUIS
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LHOTELLIER ETS LOUIS filed Critical LHOTELLIER ETS LOUIS
Priority to FR8302020A priority Critical patent/FR2540656A1/fr
Publication of FR2540656A1 publication Critical patent/FR2540656A1/fr
Application granted granted Critical
Publication of FR2540656B1 publication Critical patent/FR2540656B1/fr
Granted legal-status Critical Current

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
    • 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)
FR8302020A 1983-02-09 1983-02-09 Dispositif de detection d'incendie utilisant des comparateurs de tension Granted FR2540656A1 (fr)

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 (de) 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 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Also Published As

Publication number Publication date
FR2540656A1 (fr) 1984-08-10

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Legal Events

Date Code Title Description
ST Notification of lapse