FR2080124A5 - - Google Patents

Info

Publication number
FR2080124A5
FR2080124A5 FR7006591A FR7006591A FR2080124A5 FR 2080124 A5 FR2080124 A5 FR 2080124A5 FR 7006591 A FR7006591 A FR 7006591A FR 7006591 A FR7006591 A FR 7006591A FR 2080124 A5 FR2080124 A5 FR 2080124A5
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
FR7006591A
Other languages
French (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.)
WATTSON STE NLE ETUDE
Original Assignee
WATTSON STE NLE ETUDE
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 WATTSON STE NLE ETUDE filed Critical WATTSON STE NLE ETUDE
Priority to FR7006591A priority Critical patent/FR2080124A5/fr
Application granted granted Critical
Publication of FR2080124A5 publication Critical patent/FR2080124A5/fr
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/16—Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1654—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems
    • G08B13/1681—Actuation by interference with mechanical vibrations in air or other fluid using passive vibration detection systems using infrasonic detecting means, e.g. a microphone operating below the audible frequency range

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR7006591A 1970-02-24 1970-02-24 Expired FR2080124A5 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7006591A FR2080124A5 (en) 1970-02-24 1970-02-24

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7006591A FR2080124A5 (en) 1970-02-24 1970-02-24

Publications (1)

Publication Number Publication Date
FR2080124A5 true FR2080124A5 (en) 1971-11-12

Family

ID=9051189

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7006591A Expired FR2080124A5 (en) 1970-02-24 1970-02-24

Country Status (1)

Country Link
FR (1) FR2080124A5 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004744A1 (en) * 1984-04-05 1985-10-24 Base Electronic Gmbh Method and device for the security of closed rooms

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985004744A1 (en) * 1984-04-05 1985-10-24 Base Electronic Gmbh Method and device for the security of closed rooms

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Legal Events

Date Code Title Description
ST Notification of lapse