FR2377068B3 - - Google Patents

Info

Publication number
FR2377068B3
FR2377068B3 FR7700578A FR7700578A FR2377068B3 FR 2377068 B3 FR2377068 B3 FR 2377068B3 FR 7700578 A FR7700578 A FR 7700578A FR 7700578 A FR7700578 A FR 7700578A FR 2377068 B3 FR2377068 B3 FR 2377068B3
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
FR7700578A
Other languages
French (fr)
Other versions
FR2377068A1 (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.)
HELITA
Original Assignee
HELITA
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 HELITA filed Critical HELITA
Priority to FR7700578A priority Critical patent/FR2377068A1/fr
Publication of FR2377068A1 publication Critical patent/FR2377068A1/fr
Application granted granted Critical
Publication of FR2377068B3 publication Critical patent/FR2377068B3/fr
Granted legal-status Critical Current

Links

Classifications

    • 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
    • G08B29/08—Signalling of tampering with the line circuit
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • 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
    • G08B29/04—Monitoring of the detection circuits
    • G08B29/046—Monitoring of the detection circuits prevention of tampering with detection circuits

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Burglar Alarm Systems (AREA)
FR7700578A 1977-01-11 1977-01-11 Dispositif antivol protege contre l'application de surtensions Granted FR2377068A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7700578A FR2377068A1 (fr) 1977-01-11 1977-01-11 Dispositif antivol protege contre l'application de surtensions

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7700578A FR2377068A1 (fr) 1977-01-11 1977-01-11 Dispositif antivol protege contre l'application de surtensions

Publications (2)

Publication Number Publication Date
FR2377068A1 FR2377068A1 (fr) 1978-08-04
FR2377068B3 true FR2377068B3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1979-09-07

Family

ID=9185326

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7700578A Granted FR2377068A1 (fr) 1977-01-11 1977-01-11 Dispositif antivol protege contre l'application de surtensions

Country Status (1)

Country Link
FR (1) FR2377068A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2580712B1 (fr) * 1985-04-23 1987-06-05 Ferco Int Usine Ferrures Dispositif d'alarme pour dispositif electromecanique de manoeuvre commande par un code
US4847719A (en) * 1988-02-09 1989-07-11 Cook Max W Apparatus and method for protecting the contacts of an electrical switch from current surges

Also Published As

Publication number Publication date
FR2377068A1 (fr) 1978-08-04

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Legal Events

Date Code Title Description
ST Notification of lapse