IT1141817B - ELECTRIC PROTECTION DEVICE - Google Patents

ELECTRIC PROTECTION DEVICE

Info

Publication number
IT1141817B
IT1141817B IT84138/80A IT8413880A IT1141817B IT 1141817 B IT1141817 B IT 1141817B IT 84138/80 A IT84138/80 A IT 84138/80A IT 8413880 A IT8413880 A IT 8413880A IT 1141817 B IT1141817 B IT 1141817B
Authority
IT
Italy
Prior art keywords
protection device
electric protection
electric
protection
Prior art date
Application number
IT84138/80A
Other languages
Italian (it)
Other versions
IT8084138A0 (en
Inventor
Pierre Blancheville
Original Assignee
Telediffusion Fse
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 Telediffusion Fse filed Critical Telediffusion Fse
Publication of IT8084138A0 publication Critical patent/IT8084138A0/en
Application granted granted Critical
Publication of IT1141817B publication Critical patent/IT1141817B/en

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

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Emergency Protection Circuit Devices (AREA)
IT84138/80A 1979-08-17 1980-08-08 ELECTRIC PROTECTION DEVICE IT1141817B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7920875A FR2463958A1 (en) 1979-08-17 1979-08-17 Electrified fence using HT source - is typically for protecting radio transmitter and uses alarm relay responsive to breakage or earthing of electrified network

Publications (2)

Publication Number Publication Date
IT8084138A0 IT8084138A0 (en) 1980-08-08
IT1141817B true IT1141817B (en) 1986-10-08

Family

ID=9228912

Family Applications (1)

Application Number Title Priority Date Filing Date
IT84138/80A IT1141817B (en) 1979-08-17 1980-08-08 ELECTRIC PROTECTION DEVICE

Country Status (3)

Country Link
BE (1) BE884746A (en)
FR (1) FR2463958A1 (en)
IT (1) IT1141817B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2564681A1 (en) * 1984-05-18 1985-11-22 Cogny Sa Element for protective fence with cutout detection

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE349665A (en) *
CH449775A (en) * 1965-04-01 1968-01-15 Soc Et Et D Exploit De Brevets Electrical fence
DE2109128A1 (en) * 1971-02-26 1972-08-31 Neutsch E Security device for closed rooms

Also Published As

Publication number Publication date
IT8084138A0 (en) 1980-08-08
BE884746A (en) 1980-12-01
FR2463958B1 (en) 1982-10-08
FR2463958A1 (en) 1981-02-27

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Legal Events

Date Code Title Description
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19950831