FR2379687A2 - Perfectionnement aux enceintes de securite - Google Patents

Perfectionnement aux enceintes de securite

Info

Publication number
FR2379687A2
FR2379687A2 FR7703410A FR7703410A FR2379687A2 FR 2379687 A2 FR2379687 A2 FR 2379687A2 FR 7703410 A FR7703410 A FR 7703410A FR 7703410 A FR7703410 A FR 7703410A FR 2379687 A2 FR2379687 A2 FR 2379687A2
Authority
FR
France
Prior art keywords
gas
alarm
pressure
vault
composition
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.)
Pending
Application number
FR7703410A
Other languages
English (en)
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.)
GAUTIER GILBERT
Original Assignee
GAUTIER GILBERT
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 GAUTIER GILBERT filed Critical GAUTIER GILBERT
Priority to FR7703410A priority Critical patent/FR2379687A2/fr
Publication of FR2379687A2 publication Critical patent/FR2379687A2/fr
Pending legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05G—SAFES OR STRONG-ROOMS FOR VALUABLES; BANK PROTECTION DEVICES; SAFETY TRANSACTION PARTITIONS
    • E05G1/00—Safes or strong-rooms for valuables
    • E05G1/10—Safes or strong-rooms for valuables with alarm, signal or indicator
    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING SYSTEMS, e.g. PERSONAL CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/20—Actuation by change of fluid pressure

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)

Abstract

Perfectionnement apporté au brevet principal, consistant à réaliser, au moyen des éléments d'enceinte étanche décrits dans ce dernier, un ou plusieurs circuits fermés comprenant des pompes, détecteurs de gaz et pressostats, dans lesquels on fait circuler un flux de gaz - à une pression inferieure à la pression atmosphérique - dont la nature est vérifiée en continu de façon à détecter toute présence de gaz étranger dans l'enceinte signalant tout forcement de cette dernière.
FR7703410A 1977-02-07 1977-02-07 Perfectionnement aux enceintes de securite Pending FR2379687A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7703410A FR2379687A2 (fr) 1977-02-07 1977-02-07 Perfectionnement aux enceintes de securite

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7703410A FR2379687A2 (fr) 1977-02-07 1977-02-07 Perfectionnement aux enceintes de securite

Publications (1)

Publication Number Publication Date
FR2379687A2 true FR2379687A2 (fr) 1978-09-01

Family

ID=9186401

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7703410A Pending FR2379687A2 (fr) 1977-02-07 1977-02-07 Perfectionnement aux enceintes de securite

Country Status (1)

Country Link
FR (1) FR2379687A2 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5598792A (en) * 1995-01-09 1997-02-04 Wales; Forrest A. Credit card security device having card invalidating electromagnet
EP1909242A3 (fr) * 2006-10-06 2008-08-13 NCR Corporation Contenant de sécurité amélioré

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5598792A (en) * 1995-01-09 1997-02-04 Wales; Forrest A. Credit card security device having card invalidating electromagnet
EP1909242A3 (fr) * 2006-10-06 2008-08-13 NCR Corporation Contenant de sécurité amélioré

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