JPS4973000A - - Google Patents
Info
- Publication number
- JPS4973000A JPS4973000A JP48111578A JP11157873A JPS4973000A JP S4973000 A JPS4973000 A JP S4973000A JP 48111578 A JP48111578 A JP 48111578A JP 11157873 A JP11157873 A JP 11157873A JP S4973000 A JPS4973000 A JP S4973000A
- Authority
- JP
- Japan
- Legal status (The legal status 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 status listed.)
- Pending
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)
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 |
|---|---|
| JPS4973000A true JPS4973000A (en) | 1974-07-15 |
Family
ID=23141746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48111578A Pending JPS4973000A (en) | 1972-10-10 | 1973-10-05 |
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 (13)
| 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 |
| WO1983001904A1 (en) * | 1981-12-03 | 1983-06-09 | 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 |
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 (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 |
-
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/en active Pending
- 1973-10-05 JP JP48111578A patent/JPS4973000A/ja active Pending
- 1973-10-08 BR BR7791/73A patent/BR7307791D0/en unknown
- 1973-10-08 IT IT41655/73A patent/IT997407B/en active
- 1973-10-09 ES ES419479A patent/ES419479A1/en not_active Expired
- 1973-10-09 NL NL7313839A patent/NL7313839A/xx unknown
- 1973-10-09 TR TR18180A patent/TR18180A/en unknown
- 1973-10-09 BE BE1005412A patent/BE805810A/en unknown
- 1973-10-10 SE SE7313787A patent/SE385163B/en unknown
- 1973-10-10 FR FR7336130A patent/FR2202330B1/fr not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| GB1435370A (en) | 1976-05-12 |
| FR2202330B1 (en) | 1978-06-30 |
| US3812484A (en) | 1974-05-21 |
| BE805810A (en) | 1974-04-09 |
| ES419479A1 (en) | 1976-04-01 |
| NL7313839A (en) | 1974-04-16 |
| SE385163B (en) | 1976-06-08 |
| FR2202330A1 (en) | 1974-05-03 |
| DE2350067A1 (en) | 1974-04-18 |
| BR7307791D0 (en) | 1974-08-29 |
| TR18180A (en) | 1978-02-26 |
| IT997407B (en) | 1975-12-30 |