BR7307791D0 - PERIMETER PENETRATION DETECTION DEVICE - Google Patents

PERIMETER PENETRATION DETECTION DEVICE

Info

Publication number
BR7307791D0
BR7307791D0 BR7791/73A BR779173A BR7307791D0 BR 7307791 D0 BR7307791 D0 BR 7307791D0 BR 7791/73 A BR7791/73 A BR 7791/73A BR 779173 A BR779173 A BR 779173A BR 7307791 D0 BR7307791 D0 BR 7307791D0
Authority
BR
Brazil
Prior art keywords
perimeter
detection device
penetration detection
penetration
perimeter penetration
Prior art date
Application number
BR7791/73A
Other languages
Portuguese (pt)
Inventor
R Miller
Jr W Carr
Original Assignee
Westinghouse Electric Corp
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 Westinghouse Electric Corp filed Critical Westinghouse Electric Corp
Publication of BR7307791D0 publication Critical patent/BR7307791D0/en

Links

Classifications

    • G—PHYSICS
    • G08—SIGNALLING
    • G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
    • G08B13/00—Burglar, theft or intruder alarms
    • G08B13/22—Electrical actuation
    • G08B13/24—Electrical actuation by interference with electromagnetic field distribution
    • G08B13/2491—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field
    • G08B13/2497—Intrusion detection systems, i.e. where the body of an intruder causes the interference with the electromagnetic field using transmission lines, e.g. cable

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Geophysics And Detection Of Objects (AREA)
  • Burglar Alarm Systems (AREA)
  • Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
BR7791/73A 1972-10-10 1973-10-08 PERIMETER PENETRATION DETECTION DEVICE BR7307791D0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00296376A US3812484A (en) 1972-10-10 1972-10-10 Perimeter intrusion detection system

Publications (1)

Publication Number Publication Date
BR7307791D0 true BR7307791D0 (en) 1974-08-29

Family

ID=23141746

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7791/73A BR7307791D0 (en) 1972-10-10 1973-10-08 PERIMETER PENETRATION DETECTION DEVICE

Country Status (12)

Country Link
US (1) US3812484A (en)
JP (1) JPS4973000A (en)
BE (1) BE805810A (en)
BR (1) BR7307791D0 (en)
DE (1) DE2350067A1 (en)
ES (1) ES419479A1 (en)
FR (1) FR2202330B1 (en)
GB (1) GB1435370A (en)
IT (1) IT997407B (en)
NL (1) NL7313839A (en)
SE (1) SE385163B (en)
TR (1) TR18180A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3889181A (en) * 1974-03-08 1975-06-10 Us Army Magnetic system for discriminating between vehicles and personnel based upon their characteristic frequency signatures
US4326198A (en) * 1976-08-18 1982-04-20 Knogo Corporation Method and apparatus for the promotion of selected harmonic response signals in an article detection system
US4286261A (en) * 1978-09-01 1981-08-25 The United States Of America As Represented By The Secretary Of The Army Apparatus for discriminating between strain and magnetic stimuli in magnetic cored solenoid type transducer line sensors
DE3274622D1 (en) * 1981-12-03 1987-01-22 George Seymour Gray Line fault detector
US4866417A (en) * 1987-04-24 1989-09-12 Specific Cruise Systems, Inc. Automobile intruder alarm system
US5079538A (en) * 1987-04-24 1992-01-07 Specific Cruise Systems, Inc. Automobile intruder alarm system
US5402106A (en) * 1993-05-06 1995-03-28 Anthony M. DiPaolo Shopping cart theft prevention system
US6204772B1 (en) 1999-12-16 2001-03-20 Caterpillar Inc. Method and apparatus for monitoring the position of a machine
US20060068754A1 (en) * 2004-09-30 2006-03-30 Helena Goldfarb System and method for securing a large infrastructure
US7298260B1 (en) 2005-03-09 2007-11-20 Cossette Harold J Tesla coil security system
RU2303290C2 (en) * 2005-09-12 2007-07-20 Фонд "Инновационный Центр Ибраэ Ран" Method for finding moving electro-conductive objects
US20120207261A1 (en) * 2011-02-08 2012-08-16 Noel James L Nuclear Power Facility
GB201118970D0 (en) * 2011-11-02 2011-12-14 Univ Sussex Target position,movement and tracking system
CN118051830B (en) * 2024-04-16 2024-06-25 齐鲁工业大学(山东省科学院) Perimeter security intrusion event identification method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3355707A (en) * 1964-05-11 1967-11-28 Bunker Ramo Apparatus for vehicle detection
US3249915A (en) * 1965-04-20 1966-05-03 Trw Inc Method and apparatus for vehicle detection
FR1478357A (en) * 1965-09-14 1967-04-28 Wiener Schwachstromwerke Gmbh Installation for the measurement and detection of magnetic fields or changes in magnetic fields
US3458802A (en) * 1966-05-02 1969-07-29 Bunker Ramo Magnetic vehicle detection system including feedback means for eliminating spurious presence indications
US3754223A (en) * 1970-01-21 1973-08-21 Yeda Res & Dev Intruder detection system

Also Published As

Publication number Publication date
IT997407B (en) 1975-12-30
FR2202330B1 (en) 1978-06-30
TR18180A (en) 1978-02-26
ES419479A1 (en) 1976-04-01
GB1435370A (en) 1976-05-12
DE2350067A1 (en) 1974-04-18
SE385163B (en) 1976-06-08
NL7313839A (en) 1974-04-16
JPS4973000A (en) 1974-07-15
BE805810A (en) 1974-04-09
US3812484A (en) 1974-05-21
FR2202330A1 (en) 1974-05-03

Similar Documents

Publication Publication Date Title
SE7801035L (en) COHESIONING DEVICE
BR7309775D0 (en) LOCKING DEVICE
IT989852B (en) PULVERIZING DEVICE
SE396702B (en) ULTRASONOR HYDROGENATOMIZATION DEVICE
NL185807C (en) RADIATION DETECTION DEVICE.
BR7305139D0 (en) ULTRAFILTING DEVICE
FI51614C (en) Target device
BE804726A (en) CLUTCH DEVICE
AT340952B (en) DRAINAGE DEVICE
BR7307791D0 (en) PERIMETER PENETRATION DETECTION DEVICE
AR196110A1 (en) AN IMPROVED RETENTION DEVICE
SE384270B (en) ACIDMET DEVICE
AR195999A1 (en) DACTILOSCOPIC DEVICE
BE807079A (en) SEMI-GUIDE DEVICE
AT334216B (en) SLEDGING DEVICE
TR17720A (en) ANTI-FILLING DEVICE
IT985850B (en) HYDRO-EXTRACTOR DEVICE
SE388135B (en) SPRITROR DEVICE
AT323691B (en) SHEARING DEVICE
SE388134B (en) SPRITROR DEVICE
AT346209B (en) MONITORING DEVICE
BR7302651D0 (en) SAMPLE DEVICE
BR7303644D0 (en) ABSORPTION DEVICE
BR7207980D0 (en) DEVICE FOR LEXIVIACAO DE VEGETAIS SACARIFEROS
BR7302064D0 (en) LOCKING DEVICE LOCKING DEVICE