NL190132C - Alarmstelsel. - Google Patents

Alarmstelsel.

Info

Publication number
NL190132C
NL190132C NLAANVRAGE7906198,A NL7906198A NL190132C NL 190132 C NL190132 C NL 190132C NL 7906198 A NL7906198 A NL 7906198A NL 190132 C NL190132 C NL 190132C
Authority
NL
Netherlands
Prior art keywords
alarm system
alarm
Prior art date
Application number
NLAANVRAGE7906198,A
Other languages
English (en)
Other versions
NL190132B (nl
NL7906198A (nl
Original Assignee
Italcontrol Srl
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 Italcontrol Srl filed Critical Italcontrol Srl
Publication of NL7906198A publication Critical patent/NL7906198A/nl
Publication of NL190132B publication Critical patent/NL190132B/nl
Application granted granted Critical
Publication of NL190132C publication Critical patent/NL190132C/nl

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)
  • Geophysics And Detection Of Objects (AREA)
  • Emergency Alarm Devices (AREA)
  • Measuring Fluid Pressure (AREA)
  • Burglar Alarm Systems (AREA)
NLAANVRAGE7906198,A 1978-08-24 1979-08-14 Alarmstelsel. NL190132C (nl)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT6896578 1978-08-24
IT68965/78A IT1111490B (it) 1978-08-24 1978-08-24 Perfezionamenti ad elementi di apparecchi segnalatori di intrusione in una superficie chiusa

Publications (3)

Publication Number Publication Date
NL7906198A NL7906198A (nl) 1980-02-26
NL190132B NL190132B (nl) 1993-06-01
NL190132C true NL190132C (nl) 1993-11-01

Family

ID=11311023

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7906198,A NL190132C (nl) 1978-08-24 1979-08-14 Alarmstelsel.

Country Status (10)

Country Link
US (1) US4270122A (nl)
AT (1) AT381404B (nl)
BE (1) BE878175A (nl)
CH (1) CH643670A5 (nl)
DE (1) DE2931179A1 (nl)
ES (1) ES483601A1 (nl)
FR (1) FR2434437A1 (nl)
GB (1) GB2029062B (nl)
IT (1) IT1111490B (nl)
NL (1) NL190132C (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182182B (en) * 1985-04-24 1989-06-28 Sound Special Services Limited Intrusion detecting device
IT1182588B (it) * 1985-10-04 1987-10-05 Elkron Spa Apparecchiatura perfezionata per segnalare il passaggio di un intruso attraverso il confine di una regione predeterminata
KR101688246B1 (ko) * 2009-02-09 2016-12-20 레이던 비비엔 테크놀로지스 코포레이션 지하 침투 탐지 시스템
IL303092A (en) * 2015-09-17 2023-07-01 Stanley Convergent Security Solutions Inc System and method for detecting peripheral oscillations

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3109165A (en) * 1958-09-05 1963-10-29 Specialties Dev Corp Intruder detecting system
US3438021A (en) * 1965-07-26 1969-04-08 Westinghouse Electric Corp Perimeter intrusion alarm
BE756000A (fr) * 1969-09-15 1971-02-15 Westinghouse Electric Corp Appareil de securite perfectionne sensible a la pression
US3665445A (en) * 1970-12-22 1972-05-23 Scient Security Systems Inc Detection system
FR2250166A1 (en) * 1973-11-05 1975-05-30 Cogny Pierre Pressure sensitive security barrier - has tubes connected to sensor detecting change produced by compressor
US4081785A (en) * 1974-02-13 1978-03-28 The United States Of America As Represented By The Secretary Of The Air Force Dual class amphibious target discriminator
IL52286A (en) * 1976-06-23 1979-12-30 Multisafe Ag Burglar alarm

Also Published As

Publication number Publication date
US4270122A (en) 1981-05-26
FR2434437B1 (nl) 1985-04-19
DE2931179C2 (nl) 1991-07-18
IT7868965A0 (it) 1978-08-24
CH643670A5 (de) 1984-06-15
AT381404B (de) 1986-10-10
ATA526979A (de) 1986-02-15
DE2931179A1 (de) 1980-03-06
IT1111490B (it) 1986-01-13
NL190132B (nl) 1993-06-01
GB2029062B (en) 1982-11-17
FR2434437A1 (fr) 1980-03-21
GB2029062A (en) 1980-03-12
BE878175A (fr) 1979-12-03
NL7906198A (nl) 1980-02-26
ES483601A1 (es) 1980-09-01

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Legal Events

Date Code Title Description
A85 Still pending on 85-01-01
BA A request for search or an international-type search has been filed
BB A search report has been drawn up
BC A request for examination has been filed
V4 Discontinued because of reaching the maximum lifetime of a patent

Free format text: 19990814