FR2216631B3 - - Google Patents

Info

Publication number
FR2216631B3
FR2216631B3 FR7303352A FR7303352A FR2216631B3 FR 2216631 B3 FR2216631 B3 FR 2216631B3 FR 7303352 A FR7303352 A FR 7303352A FR 7303352 A FR7303352 A FR 7303352A FR 2216631 B3 FR2216631 B3 FR 2216631B3
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
FR7303352A
Other languages
French (fr)
Other versions
FR2216631A1 (ja
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.)
Automatic Switch Co
Original Assignee
Automatic Switch Co
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 Automatic Switch Co filed Critical Automatic Switch Co
Priority to FR7303352A priority Critical patent/FR2216631B3/fr
Publication of FR2216631A1 publication Critical patent/FR2216631A1/fr
Application granted granted Critical
Publication of FR2216631B3 publication Critical patent/FR2216631B3/fr
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/16Actuation by interference with mechanical vibrations in air or other fluid
    • G08B13/1609Actuation by interference with mechanical vibrations in air or other fluid using active vibration detection systems

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR7303352A 1973-01-31 1973-01-31 Expired FR2216631B3 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7303352A FR2216631B3 (ja) 1973-01-31 1973-01-31

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7303352A FR2216631B3 (ja) 1973-01-31 1973-01-31

Publications (2)

Publication Number Publication Date
FR2216631A1 FR2216631A1 (ja) 1974-08-30
FR2216631B3 true FR2216631B3 (ja) 1975-10-24

Family

ID=9114109

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7303352A Expired FR2216631B3 (ja) 1973-01-31 1973-01-31

Country Status (1)

Country Link
FR (1) FR2216631B3 (ja)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2478255A1 (fr) * 1980-03-11 1981-09-18 Electricite De France Dispositif de detection par ultrasons de fermeture d'un clapet

Also Published As

Publication number Publication date
FR2216631A1 (ja) 1974-08-30

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Legal Events

Date Code Title Description
ST Notification of lapse