GB1418722A - Alarm devices - Google Patents

Alarm devices

Info

Publication number
GB1418722A
GB1418722A GB135873A GB135873A GB1418722A GB 1418722 A GB1418722 A GB 1418722A GB 135873 A GB135873 A GB 135873A GB 135873 A GB135873 A GB 135873A GB 1418722 A GB1418722 A GB 1418722A
Authority
GB
United Kingdom
Prior art keywords
rod
relay
switch
contact
circuit
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
GB135873A
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.)
Klaxon SA
Original Assignee
Klaxon SA
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 Klaxon SA filed Critical Klaxon SA
Publication of GB1418722A publication Critical patent/GB1418722A/en
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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Burglar Alarm Systems (AREA)
GB135873A 1972-01-11 1973-01-10 Alarm devices Expired GB1418722A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7200714A FR2167234B1 (de) 1972-01-11 1972-01-11

Publications (1)

Publication Number Publication Date
GB1418722A true GB1418722A (en) 1975-12-24

Family

ID=9091686

Family Applications (1)

Application Number Title Priority Date Filing Date
GB135873A Expired GB1418722A (en) 1972-01-11 1973-01-10 Alarm devices

Country Status (5)

Country Link
US (1) US3896426A (de)
DE (1) DE2301271C3 (de)
FR (1) FR2167234B1 (de)
GB (1) GB1418722A (de)
IT (1) IT978084B (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2117949A (en) * 1982-03-27 1983-10-19 Visioncrest Limited Alarm
GB2269478A (en) * 1980-10-30 1994-02-09 Emi Ltd Disturbance sensor

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4162715A (en) * 1977-10-26 1979-07-31 George Coulombe Automatic releasing seat belt
FR2421429A1 (fr) * 1978-03-29 1979-10-26 Hunault Claude Detecteurs de vibrations et de magnetisme appliques dans un circuit de detection d'intrusions
US4297690A (en) * 1978-08-14 1981-10-27 Baker Gerald E Earthquake alarm system
US5080362A (en) * 1990-05-01 1992-01-14 Neil Lillard Adjustable point of impact indicating device

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3074049A (en) * 1963-01-15 Alarm system for motor vehicles
US2407122A (en) * 1942-04-03 1946-09-03 Charles E Young Portable burglar alarm
CH311432A (fr) * 1953-10-30 1955-11-30 Breitler Pierre Dispositif de signalisation électrique.
US2885504A (en) * 1955-08-18 1959-05-05 Yurtz Joseph Gregory Automobile theft alarm
FR1183377A (fr) * 1957-09-25 1959-07-07 A Ets Ab Dispositif avertisseur, notamment pour la protection de coffres et usages analogues
US3053949A (en) * 1959-11-18 1962-09-11 Harold K Johnson Intermittent electrical switch
US3192517A (en) * 1962-05-11 1965-06-29 Bay State Security Corp Burglar alarm
GB1078016A (en) * 1965-09-20 1967-08-02 Leonel Garcia New burglar alarm

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2269478A (en) * 1980-10-30 1994-02-09 Emi Ltd Disturbance sensor
GB2269478B (en) * 1980-10-30 1994-07-20 Emi Ltd Disturbance sensor
GB2117949A (en) * 1982-03-27 1983-10-19 Visioncrest Limited Alarm

Also Published As

Publication number Publication date
FR2167234A1 (de) 1973-08-24
FR2167234B1 (de) 1975-10-24
DE2301271A1 (de) 1973-07-19
DE2301271B2 (de) 1979-04-05
DE2301271C3 (de) 1979-11-22
US3896426A (en) 1975-07-22
IT978084B (it) 1974-09-20

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee