GB1411509A - Alarm activating apparatus - Google Patents

Alarm activating apparatus

Info

Publication number
GB1411509A
GB1411509A GB3270173A GB3270173A GB1411509A GB 1411509 A GB1411509 A GB 1411509A GB 3270173 A GB3270173 A GB 3270173A GB 3270173 A GB3270173 A GB 3270173A GB 1411509 A GB1411509 A GB 1411509A
Authority
GB
United Kingdom
Prior art keywords
electromagnet
arm
mass
contacts
energized
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.)
Expired
Application number
GB3270173A
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.)
Larsson A E A
Original Assignee
Larsson A E A
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 Larsson A E A filed Critical Larsson A E A
Publication of GB1411509A publication Critical patent/GB1411509A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01HELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00Switches operated by change of a physical condition
    • H01H35/06Switches operated by change of speed
    • GPHYSICS
    • G08SIGNALLING
    • G08BSIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00Burglar, theft or intruder alarms
    • G08B13/02Mechanical actuation

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)
  • Steering Controls (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB3270173A 1972-07-10 1973-07-09 Alarm activating apparatus Expired GB1411509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE09085/72A SE364791B (enExample) 1972-07-10 1972-07-10

Publications (1)

Publication Number Publication Date
GB1411509A true GB1411509A (en) 1975-10-29

Family

ID=20275803

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3270173A Expired GB1411509A (en) 1972-07-10 1973-07-09 Alarm activating apparatus

Country Status (4)

Country Link
US (1) US3858131A (enExample)
DE (1) DE2334993A1 (enExample)
GB (1) GB1411509A (enExample)
SE (1) SE364791B (enExample)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54122534A (en) * 1978-03-14 1979-09-22 Dentan Co Ltd Vibration alarm device for car
DE3444223A1 (de) * 1984-12-04 1986-06-05 Ranco Inc., Dublin, Ohio Schaltrelais
SE8503863L (sv) * 1985-08-19 1987-02-20 Per Axel Uhlin Overvakningsanleggning
US5512874A (en) * 1994-05-04 1996-04-30 T. B. Poston Security device
ES2187388B1 (es) * 2001-11-30 2004-09-16 Rafael Botella Gallardo Dispositivo de control de maniobrabilidad en basculacion de cargas.
WO2019022622A1 (en) * 2017-07-28 2019-01-31 Introl Ip Limited IMPROVED SWITCH

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1805147A (en) * 1921-01-12 1931-05-12 R M Company Inc Pendulum controlled circuit closer
GB755840A (en) * 1953-05-26 1956-08-29 Frederick Walter Phillips Improvements in or relating to automatic warning devices
US3717732A (en) * 1971-06-30 1973-02-20 Gen Motors Corp Acceleration responsive sensor

Also Published As

Publication number Publication date
DE2334993A1 (de) 1974-01-31
SE364791B (enExample) 1974-03-04
US3858131A (en) 1974-12-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]