IT978084B - Perfezionamenti apportati agli apparecchi di allarme - Google Patents

Perfezionamenti apportati agli apparecchi di allarme

Info

Publication number
IT978084B
IT978084B IT19123/73A IT1912373A IT978084B IT 978084 B IT978084 B IT 978084B IT 19123/73 A IT19123/73 A IT 19123/73A IT 1912373 A IT1912373 A IT 1912373A IT 978084 B IT978084 B IT 978084B
Authority
IT
Italy
Prior art keywords
improvements made
alarm devices
alarm
devices
Prior art date
Application number
IT19123/73A
Other languages
English (en)
Italian (it)
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
Application granted granted Critical
Publication of IT978084B publication Critical patent/IT978084B/it

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)
IT19123/73A 1972-01-11 1973-01-10 Perfezionamenti apportati agli apparecchi di allarme IT978084B (it)

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
IT978084B true IT978084B (it) 1974-09-20

Family

ID=9091686

Family Applications (1)

Application Number Title Priority Date Filing Date
IT19123/73A IT978084B (it) 1972-01-11 1973-01-10 Perfezionamenti apportati agli apparecchi di allarme

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)

Families Citing this family (6)

* 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
GB2269478B (en) * 1980-10-30 1994-07-20 Emi Ltd Disturbance sensor
GB2117949A (en) * 1982-03-27 1983-10-19 Visioncrest Limited Alarm
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

Also Published As

Publication number Publication date
FR2167234A1 (de) 1973-08-24
GB1418722A (en) 1975-12-24
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

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