FR2448716A1 - Systeme pour detecter la rupture effective des ouvrages d'art - Google Patents

Systeme pour detecter la rupture effective des ouvrages d'art

Info

Publication number
FR2448716A1
FR2448716A1 FR7903220A FR7903220A FR2448716A1 FR 2448716 A1 FR2448716 A1 FR 2448716A1 FR 7903220 A FR7903220 A FR 7903220A FR 7903220 A FR7903220 A FR 7903220A FR 2448716 A1 FR2448716 A1 FR 2448716A1
Authority
FR
France
Prior art keywords
monitored
current
radio
bridges
structures
Prior art date
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.)
Granted
Application number
FR7903220A
Other languages
English (en)
French (fr)
Other versions
FR2448716B1 (enrdf_load_stackoverflow
Inventor
Guy Jung
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.)
Spie Batignolles SA
Original Assignee
Spie Batignolles SA
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 Spie Batignolles SA filed Critical Spie Batignolles SA
Priority to FR7903220A priority Critical patent/FR2448716A1/fr
Publication of FR2448716A1 publication Critical patent/FR2448716A1/fr
Application granted granted Critical
Publication of FR2448716B1 publication Critical patent/FR2448716B1/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
    • G08B29/16—Security signalling or alarm systems, e.g. redundant systems
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
    • G08B21/02—Alarms for ensuring the safety of persons
    • G08B21/10—Alarms for ensuring the safety of persons responsive to calamitous events, e.g. tornados or earthquakes

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
FR7903220A 1979-02-08 1979-02-08 Systeme pour detecter la rupture effective des ouvrages d'art Granted FR2448716A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7903220A FR2448716A1 (fr) 1979-02-08 1979-02-08 Systeme pour detecter la rupture effective des ouvrages d'art

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7903220A FR2448716A1 (fr) 1979-02-08 1979-02-08 Systeme pour detecter la rupture effective des ouvrages d'art

Publications (2)

Publication Number Publication Date
FR2448716A1 true FR2448716A1 (fr) 1980-09-05
FR2448716B1 FR2448716B1 (enrdf_load_stackoverflow) 1982-01-22

Family

ID=9221738

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7903220A Granted FR2448716A1 (fr) 1979-02-08 1979-02-08 Systeme pour detecter la rupture effective des ouvrages d'art

Country Status (1)

Country Link
FR (1) FR2448716A1 (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575571A1 (fr) * 1985-01-03 1986-07-04 Securite Automatisme Protectio Installation de securite anti-intrusion
EP0271071A3 (en) * 1986-12-12 1990-07-11 Siemens Aktiengesellschaft Monitoring system for air control pylons
FR2649266A1 (fr) * 1989-06-28 1991-01-04 Crde Systeme emetteur-recepteur haute frequence pour telealarme
TWI498861B (zh) * 2013-03-25 2015-09-01 Taiwan High Speed Rail Corp 地震偵測器旁路系統

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR716742A (fr) * 1930-05-07 1931-12-26 Ericsson Telefon Ab L M Perfectionnements apportés aux dispositifs avertisseurs d'incendie
DE1261197B (de) * 1965-02-06 1968-02-15 Telefunken Patent Verfahren zur Warnung des in einem Gebietsstreifen der Umgebung einer Gefahrenquelle lebenden Bevoelkerungsteils
FR2295506A1 (fr) * 1974-10-21 1976-07-16 Harrisson France Agence Annonc Installation de transmission d'alarmes

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR716742A (fr) * 1930-05-07 1931-12-26 Ericsson Telefon Ab L M Perfectionnements apportés aux dispositifs avertisseurs d'incendie
DE1261197B (de) * 1965-02-06 1968-02-15 Telefunken Patent Verfahren zur Warnung des in einem Gebietsstreifen der Umgebung einer Gefahrenquelle lebenden Bevoelkerungsteils
FR2295506A1 (fr) * 1974-10-21 1976-07-16 Harrisson France Agence Annonc Installation de transmission d'alarmes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2575571A1 (fr) * 1985-01-03 1986-07-04 Securite Automatisme Protectio Installation de securite anti-intrusion
EP0271071A3 (en) * 1986-12-12 1990-07-11 Siemens Aktiengesellschaft Monitoring system for air control pylons
FR2649266A1 (fr) * 1989-06-28 1991-01-04 Crde Systeme emetteur-recepteur haute frequence pour telealarme
TWI498861B (zh) * 2013-03-25 2015-09-01 Taiwan High Speed Rail Corp 地震偵測器旁路系統

Also Published As

Publication number Publication date
FR2448716B1 (enrdf_load_stackoverflow) 1982-01-22

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Legal Events

Date Code Title Description
ST Notification of lapse