BE672820A - - Google Patents

Info

Publication number
BE672820A
BE672820A BE672820A BE672820A BE672820A BE 672820 A BE672820 A BE 672820A BE 672820 A BE672820 A BE 672820A BE 672820 A BE672820 A BE 672820A BE 672820 A BE672820 A BE 672820A
Authority
BE
Belgium
Prior art keywords
room
pressure
differential pressure
relay
motor
Prior art date
Application number
BE672820A
Other languages
English (en)
French (fr)
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 filed Critical
Priority to BE672820A priority Critical patent/BE672820A/fr
Publication of BE672820A publication Critical patent/BE672820A/fr

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR 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)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Measuring Fluid Pressure (AREA)
BE672820A 1965-11-25 1965-11-25 BE672820A (cs)

Priority Applications (1)

Application Number Priority Date Filing Date Title
BE672820A BE672820A (cs) 1965-11-25 1965-11-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE672820A BE672820A (cs) 1965-11-25 1965-11-25

Publications (1)

Publication Number Publication Date
BE672820A true BE672820A (cs) 1966-03-16

Family

ID=3848100

Family Applications (1)

Application Number Title Priority Date Filing Date
BE672820A BE672820A (cs) 1965-11-25 1965-11-25

Country Status (1)

Country Link
BE (1) BE672820A (cs)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445429A1 (fr) * 1978-12-26 1980-07-25 Levavasseur Jean Container notamment pour le transport de documents
FR2517093A1 (fr) * 1981-11-20 1983-05-27 Gay Pierre Dispositif de securite contre le vol, pour des locaux ou des enceintes fermees
FR2596179A1 (fr) * 1986-03-18 1987-09-25 Smcm Systeme de detection d'intrusion, applicable notamment a un systeme d'alarme
FR2617895A1 (fr) * 1987-07-08 1989-01-13 Anti Gone Ste Civile Immob Systeme visant a obtenir l'inviolabilite d'un habitacle ou d'un local

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2445429A1 (fr) * 1978-12-26 1980-07-25 Levavasseur Jean Container notamment pour le transport de documents
FR2517093A1 (fr) * 1981-11-20 1983-05-27 Gay Pierre Dispositif de securite contre le vol, pour des locaux ou des enceintes fermees
FR2596179A1 (fr) * 1986-03-18 1987-09-25 Smcm Systeme de detection d'intrusion, applicable notamment a un systeme d'alarme
FR2617895A1 (fr) * 1987-07-08 1989-01-13 Anti Gone Ste Civile Immob Systeme visant a obtenir l'inviolabilite d'un habitacle ou d'un local

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