IT1014956B - Dispositivo di commutazione elet trica a regolazione automatica - Google Patents

Dispositivo di commutazione elet trica a regolazione automatica

Info

Publication number
IT1014956B
IT1014956B IT23848/74A IT2384874A IT1014956B IT 1014956 B IT1014956 B IT 1014956B IT 23848/74 A IT23848/74 A IT 23848/74A IT 2384874 A IT2384874 A IT 2384874A IT 1014956 B IT1014956 B IT 1014956B
Authority
IT
Italy
Prior art keywords
switching device
automatic adjustment
electric switching
adjustment electric
automatic
Prior art date
Application number
IT23848/74A
Other languages
English (en)
Italian (it)
Original Assignee
Israel Aircraft Ind Ltd
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 Israel Aircraft Ind Ltd filed Critical Israel Aircraft Ind Ltd
Application granted granted Critical
Publication of IT1014956B publication Critical patent/IT1014956B/it

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/02—Mechanical actuation
    • G08B13/12—Mechanical actuation by the breaking or disturbance of stretched cords or wires
    • G08B13/122—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Power-Operated Mechanisms For Wings (AREA)
  • Switch Cases, Indication, And Locking (AREA)
IT23848/74A 1973-06-11 1974-06-11 Dispositivo di commutazione elet trica a regolazione automatica IT1014956B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IL42470A IL42470A (en) 1973-06-11 1973-06-11 A circuit breaker that responds to sudden movements

Publications (1)

Publication Number Publication Date
IT1014956B true IT1014956B (it) 1977-04-30

Family

ID=11047163

Family Applications (1)

Application Number Title Priority Date Filing Date
IT23848/74A IT1014956B (it) 1973-06-11 1974-06-11 Dispositivo di commutazione elet trica a regolazione automatica

Country Status (8)

Country Link
US (1) US3912893A (xx)
BE (1) BE816169A (xx)
CA (1) CA1027206A (xx)
DE (1) DE2427131C2 (xx)
IL (1) IL42470A (xx)
IT (1) IT1014956B (xx)
NL (1) NL178205C (xx)
ZA (1) ZA743698B (xx)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4234768A (en) * 1974-12-23 1980-11-18 Sie, Inc. Selective fire perforating gun switch
US4140045A (en) * 1975-11-19 1979-02-20 Fenix & Scisson, Inc. Piston positioning indicator
IL69945A (en) * 1983-10-10 1987-12-20 Israel Aircraft Ind Ltd Taut wire fence system and sensor therefor
IL70087A (en) * 1983-10-30 1988-06-30 Israel Aircraft Ind Ltd Taut wire fence system
IL78856A (en) * 1986-05-20 1990-07-12 Magal Security Systems Ltd Sensor for a security fence
EP0540500A3 (en) * 1986-12-02 1993-05-19 Nibex Company, Ltd. Temperature sensor
US4829287A (en) * 1987-03-03 1989-05-09 Hitek-Proteck Systems Incorporated Taut wire intrusion detection system
US6578438B2 (en) * 2001-08-17 2003-06-17 Integrated Detection Systems Taut wire sensor
US6891472B2 (en) 2002-02-06 2005-05-10 Erven Tallman Taut wire wireless perimeter fence security system
JP2005116371A (ja) * 2003-10-08 2005-04-28 Mitsubishi Electric Corp 加速度検知装置
FR2978277B1 (fr) * 2011-07-18 2016-12-23 Eryma Sas Dispositif de detection d'intrusion
WO2014168627A1 (en) * 2013-04-11 2014-10-16 Halliburton Energy Services, Inc. Support bracket for selective fire switches
IL253799B (en) 2017-08-02 2018-06-28 Igal Igor Zlochin Retroreflective interferometer

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2345771A (en) * 1941-10-21 1944-04-04 Du Pont Alarm system
US2863017A (en) * 1956-07-24 1958-12-02 Gaylord Prod Inc Speed responsive electric switch
DE1088272B (de) * 1957-05-20 1960-09-01 Robertshaw Fulton Controls Co Beschleunigungsfuehlgeraet
US3516279A (en) * 1967-02-23 1970-06-23 Alphamatic Corp Method for adjusting a pressure operated switch utilizing the nonlinear properties of a biasing means
DE1959229C3 (de) * 1968-07-19 1978-12-21 Israel Aircraft Industries, Ltd., Lod Airport (Israel) Durch plötzliche Bewegung eines äußeren Glieds betätigbarer elektrischer Schalter mit einem fließfähigen Material

Also Published As

Publication number Publication date
DE2427131C2 (de) 1985-10-17
IL42470A (en) 1976-01-30
NL178205C (nl) 1986-02-03
ZA743698B (en) 1976-01-28
US3912893A (en) 1975-10-14
CA1027206A (en) 1978-02-28
NL7407588A (xx) 1974-12-13
IL42470A0 (en) 1974-06-30
NL178205B (nl) 1985-09-02
DE2427131A1 (de) 1975-01-02
BE816169A (nl) 1974-12-11

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