BR7307791D0 - Aparelho para deteccao de penetracao de perimetro - Google Patents
Aparelho para deteccao de penetracao de perimetroInfo
- 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
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)
- Investigating Or Analyzing Materials By The Use Of Magnetic Means (AREA)
- Burglar Alarm Systems (AREA)
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 (pt) | 1974-08-29 |
Family
ID=23141746
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7791/73A BR7307791D0 (pt) | 1972-10-10 | 1973-10-08 | Aparelho para deteccao de penetracao de perimetro |
Country Status (12)
Country | Link |
---|---|
US (1) | US3812484A (fi) |
JP (1) | JPS4973000A (fi) |
BE (1) | BE805810A (fi) |
BR (1) | BR7307791D0 (fi) |
DE (1) | DE2350067A1 (fi) |
ES (1) | ES419479A1 (fi) |
FR (1) | FR2202330B1 (fi) |
GB (1) | GB1435370A (fi) |
IT (1) | IT997407B (fi) |
NL (1) | NL7313839A (fi) |
SE (1) | SE385163B (fi) |
TR (1) | TR18180A (fi) |
Families Citing this family (14)
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 |
US4664376A (en) * | 1981-12-03 | 1987-05-12 | Gray George S | Line fault detector |
US5079538A (en) * | 1987-04-24 | 1992-01-07 | Specific Cruise Systems, Inc. | Automobile intruder alarm system |
US4866417A (en) * | 1987-04-24 | 1989-09-12 | 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 (ru) * | 2005-09-12 | 2007-07-20 | Фонд "Инновационный Центр Ибраэ Ран" | Способ обнаружения движущихся электропроводящих объектов |
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 (zh) * | 2024-04-16 | 2024-06-25 | 齐鲁工业大学(山东省科学院) | 一种周界安防入侵事件识别方法 |
Family Cites Families (5)
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 (fr) * | 1965-09-14 | 1967-04-28 | Wiener Schwachstromwerke Gmbh | Installation pour la mesure et la détection de champs magnétiques ou de modifications de champs magnétiques |
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 |
-
1972
- 1972-10-10 US US00296376A patent/US3812484A/en not_active Expired - Lifetime
-
1973
- 1973-09-28 GB GB4542673A patent/GB1435370A/en not_active Expired
- 1973-10-05 DE DE19732350067 patent/DE2350067A1/de active Pending
- 1973-10-05 JP JP48111578A patent/JPS4973000A/ja active Pending
- 1973-10-08 BR BR7791/73A patent/BR7307791D0/pt unknown
- 1973-10-08 IT IT41655/73A patent/IT997407B/it active
- 1973-10-09 BE BE1005412A patent/BE805810A/xx unknown
- 1973-10-09 NL NL7313839A patent/NL7313839A/xx unknown
- 1973-10-09 ES ES419479A patent/ES419479A1/es not_active Expired
- 1973-10-09 TR TR18180A patent/TR18180A/xx unknown
- 1973-10-10 SE SE7313787A patent/SE385163B/xx unknown
- 1973-10-10 FR FR7336130A patent/FR2202330B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
JPS4973000A (fi) | 1974-07-15 |
BE805810A (fr) | 1974-04-09 |
TR18180A (tr) | 1978-02-26 |
FR2202330B1 (fi) | 1978-06-30 |
DE2350067A1 (de) | 1974-04-18 |
US3812484A (en) | 1974-05-21 |
SE385163B (sv) | 1976-06-08 |
NL7313839A (fi) | 1974-04-16 |
GB1435370A (en) | 1976-05-12 |
FR2202330A1 (fi) | 1974-05-03 |
IT997407B (it) | 1975-12-30 |
ES419479A1 (es) | 1976-04-01 |
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