BE347598A - - Google Patents

Info

Publication number
BE347598A
BE347598A BE347598DA BE347598A BE 347598 A BE347598 A BE 347598A BE 347598D A BE347598D A BE 347598DA BE 347598 A BE347598 A BE 347598A
Authority
BE
Belgium
Prior art keywords
electromagnets
alarm
armature
entry
safe
Prior art date
Application number
Other languages
English (en)
French (fr)
Publication of BE347598A publication Critical patent/BE347598A/fr

Links

Classifications

    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/22Electrical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
BE347598D BE347598A (enrdf_load_stackoverflow)

Publications (1)

Publication Number Publication Date
BE347598A true BE347598A (enrdf_load_stackoverflow)

Family

ID=23232

Family Applications (1)

Application Number Title Priority Date Filing Date
BE347598D BE347598A (enrdf_load_stackoverflow)

Country Status (1)

Country Link
BE (1) BE347598A (enrdf_load_stackoverflow)

Similar Documents

Publication Publication Date Title
US3714644A (en) Alarms for night latch
US3634846A (en) Intrusion and fire detection system
US3510863A (en) Apartment alarm
BE347598A (enrdf_load_stackoverflow)
US3653022A (en) Burglar and fire alarm system
US5200734A (en) Detecting and alarming system for detecting shortcircuited or broken circuit
US4754263A (en) Burglar alarm system
US1365693A (en) Thermostatic burglar-alarm system
US4435701A (en) Portable intrusion alarm
EP0065535B1 (fr) Appareil de surveillance
US3056125A (en) Safe and vault alarm devices
US1160496A (en) Burglar and signal device.
US20970A (en) Improved electro-magnetic house-alarm
JP3495367B1 (ja) 電流通路付き開閉建具及びそれを用いた家屋用警報装置及び開閉建具のロック装置
FR2732999A1 (fr) Porte de securite
US4178587A (en) Security lock system
US3848242A (en) Burglar alarm system with selectable latching mode
US1758523A (en) Burglar-alarm system
US1115879A (en) Electric burglar-alarm system.
US580552A (en) munro
US1868884A (en) Alarm system
US2219337A (en) Switching device
BE392836A (enrdf_load_stackoverflow)
BE1027339B1 (fr) Système de verrouillage d'une porte
RU182731U1 (ru) Сигнальное устройство для контроля вскрытия замков