JP2005176324A - Fsoc侵入検出システム - Google Patents
Fsoc侵入検出システム Download PDFInfo
- Publication number
- JP2005176324A JP2005176324A JP2004325647A JP2004325647A JP2005176324A JP 2005176324 A JP2005176324 A JP 2005176324A JP 2004325647 A JP2004325647 A JP 2004325647A JP 2004325647 A JP2004325647 A JP 2004325647A JP 2005176324 A JP2005176324 A JP 2005176324A
- Authority
- JP
- Japan
- Prior art keywords
- fsoc
- intrusion detection
- detection method
- intruder
- subsystem
- Prior art date
- 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.)
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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
- G08B13/124—Mechanical actuation by the breaking or disturbance of stretched cords or wires for a perimeter fence with the breaking or disturbance being optically detected, e.g. optical fibers in the perimeter fence
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/18—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength
- G08B13/181—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems
- G08B13/183—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier
- G08B13/184—Actuation by interference with heat, light, or radiation of shorter wavelength; Actuation by intruding sources of heat, light, or radiation of shorter wavelength using active radiation detection systems by interruption of a radiation beam or barrier using radiation reflectors
-
- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B13/00—Burglar, theft or intruder alarms
- G08B13/22—Electrical actuation
- G08B13/26—Electrical actuation by proximity of an intruder causing variation in capacitance or inductance of a circuit
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/11—Arrangements specific to free-space transmission, i.e. transmission through air or vacuum
- H04B10/112—Line-of-sight transmission over an extended range
- H04B10/1123—Bidirectional transmission
- H04B10/1125—Bidirectional transmission using a single common optical path
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Burglar Alarm Systems (AREA)
- Optical Communication System (AREA)
Abstract
【解決手段】例示的な実施形態では、自由空間光通信(FSOC)システム1000の所定近傍内における侵入者を感知し、FSOCシステム1000の放射パワーを低減する方法を提供する。例示的な実施形態では、自由空間光通信(FSOC)サブシステムと、FSOCサブシステムの所定近傍内に侵入者を検出できる侵入センサ1700と、侵入センサ1700に結合され、FSOCサブシステムの放射パワーを低減できるスイッチとを含むシステムを提供する。
【選択図】図1
Description
Claims (20)
- 自由空間光通信(FSOC)システムの所定近傍内における侵入者を感知するステップと、
前記FSOCシステムの放射パワーを低減するステップと、
を含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
前記侵入者によって生じるキャパシタンスの変化を感知するステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
前記侵入者によって生じる電圧の変化を感知するステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
感知された電圧を基準電圧と比較するステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
前記FSOCシステムの放射パワーを、前記侵入者に対して危険でないレベルまで低減するステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
前記FSOCシステムの放射パワーを、前記FSOCシステムに関する通信リンクが動作状態を維持できるレベルまで低減するステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
前記侵入者に、前記FSOCシステムに関する危険状況を警告するステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
前記侵入者に対して警報を示すステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
ビデオ記録装置を起動させるステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
前記侵入者に関する通知を提供するステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
前記FSOCシステムの所定近傍からの前記侵入者の不在を検出するステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、さらに、
前記FSOCシステムの放射パワーを増加させるステップを含むFSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、
前記FSOCシステムは無線システムを有する、FSOC侵入検出方法。 - 請求項1に記載のFSOC侵入検出方法であって、
前記侵入者は、容量性近接センサによって感知される、FSOC侵入検出方法。 - 自由空間光通信(FSOC)サブシステムと、
前記FSOCサブシステムの所定近傍内に侵入者を検出できるセンサと、
前記センサに結合され、前記FSOCサブシステムの放射パワーを低減できるスイッチと、
を有するFSOC侵入検出システム。 - 請求項15に記載のFSOC侵入検出システムにおいて、
前記FSOCサブシステムは、無線サブシステムを有するFSOC侵入検出システム。 - 請求項15に記載のFSOC侵入検出システムにおいて、
前記センサは、容量性近接センサである、FSOC侵入検出システム。 - 請求項15に記載のFSOC侵入検出システムにおいて、
前記スイッチは、光学減衰器を有する、FSOC侵入検出システム。 - 請求項15に記載のFSOC侵入検出システムにおいて、
前記センサは、前記FSOCサブシステムの設置場所の周囲を少なくとも部分的に取り囲む複数の水平ワイヤを有する、FSOC侵入検出システム。 - 自由空間光通信(FSOC)サブシステムと、
前記FSOCサブシステムの所定近傍内に侵入者を感知する手段と、
前記侵入者の検出に対応して前記FSOCサブシステムの放射パワーを低減する手段と、
を有するFSOC侵入検出システム。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/733,719 US7119680B2 (en) | 2003-12-11 | 2003-12-11 | FSOC/radio intrusion detection system |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005176324A true JP2005176324A (ja) | 2005-06-30 |
JP4279239B2 JP4279239B2 (ja) | 2009-06-17 |
Family
ID=34523070
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004325647A Expired - Fee Related JP4279239B2 (ja) | 2003-12-11 | 2004-11-09 | Fsoc侵入検出システム |
Country Status (7)
Country | Link |
---|---|
US (3) | US7119680B2 (ja) |
EP (1) | EP1542185B1 (ja) |
JP (1) | JP4279239B2 (ja) |
CA (1) | CA2481781C (ja) |
DE (1) | DE602004007459T2 (ja) |
HK (1) | HK1073005A1 (ja) |
IL (1) | IL164093A (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011516991A (ja) * | 2008-04-11 | 2011-05-26 | レイセオン カンパニー | 指向性エネルギビームのバーチャルフェンス |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106023500B (zh) * | 2016-06-29 | 2018-01-12 | 孙建华 | 一种生物感应周界及其使用方法 |
US11342992B2 (en) | 2019-12-23 | 2022-05-24 | EOS Defense Systems USA, Inc. | Visual impairment detector for free-space optical communication systems |
US11329722B2 (en) | 2020-03-27 | 2022-05-10 | Relative Dynamics Incorporated | Optical terminals |
CN112291001A (zh) * | 2020-10-23 | 2021-01-29 | 军事科学院系统工程研究院网络信息研究所 | 电光双载波互校验自由空间通信方法 |
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US3688298A (en) * | 1970-05-13 | 1972-08-29 | Security Systems Inc | Property protection system employing laser light |
GB2162981A (en) | 1984-08-09 | 1986-02-12 | Shorrock Security Systems Ltd | Intruder detection barrier |
JP2504440B2 (ja) | 1987-02-06 | 1996-06-05 | チッソ株式会社 | オレフインの気相重合方法 |
US4949074A (en) | 1988-05-18 | 1990-08-14 | Eastman Kodak Company | Method of intrusion detection |
GB8828202D0 (en) | 1988-12-02 | 1989-01-05 | Laser & Aerospace Consultants | Laser security system |
JPH066310A (ja) | 1992-06-17 | 1994-01-14 | Toyo Commun Equip Co Ltd | 光空間通信システム |
US5440290A (en) * | 1993-06-07 | 1995-08-08 | Tecsec Incorporated | Proximity detection device for protection of personnel against exposure to hazardous radio frequency radiation |
US5790025A (en) * | 1996-08-01 | 1998-08-04 | International Business Machines Corporation | Tamper detection using bulk multiple scattering |
US5966229A (en) * | 1997-06-18 | 1999-10-12 | At&T Corp. | Free-space optical communications system with open loop transmitter control |
US6653549B2 (en) * | 2000-07-10 | 2003-11-25 | Canon Kabushiki Kaisha | Photovoltaic power generation systems and methods of controlling photovoltaic power generation systems |
JP2002077058A (ja) | 2000-08-24 | 2002-03-15 | Nec Eng Ltd | 光伝送装置及びそれを用いた光空間伝送システム |
US6643467B1 (en) * | 2000-10-05 | 2003-11-04 | Lucent Technologies Inc. | Method and apparatus for controlling received power levels within a free space optical communication system |
WO2002032020A1 (en) | 2000-10-13 | 2002-04-18 | Xo Communications, Inc. | Hybrid wireless communication system utilizing a combination of optical and non-optical channels |
US6643519B1 (en) * | 2000-10-24 | 2003-11-04 | At&T Corp. | Transmitter power control method and apparatus |
US6522437B2 (en) * | 2001-02-15 | 2003-02-18 | Harris Corporation | Agile multi-beam free-space optical communication apparatus |
US6889009B2 (en) * | 2001-04-16 | 2005-05-03 | Lightpointe Communications, Inc. | Integrated environmental control and management system for free-space optical communication systems |
JP5017525B2 (ja) | 2001-06-11 | 2012-09-05 | オプテックス株式会社 | 赤外線ビーム出射量可変の防犯用センサ装置 |
US20030035178A1 (en) * | 2001-08-17 | 2003-02-20 | George Seaver | Solid-state system for tracking and regulating optical beams |
US6609690B1 (en) * | 2001-12-05 | 2003-08-26 | Terabeam Corporation | Apparatus for mounting free space optical system equipment to a window |
US7286766B2 (en) * | 2003-01-16 | 2007-10-23 | Aoptix Technologies, Inc. | Free space optical communication system with power level management |
-
2003
- 2003-12-11 US US10/733,719 patent/US7119680B2/en not_active Expired - Lifetime
-
2004
- 2004-09-14 IL IL164093A patent/IL164093A/en active IP Right Grant
- 2004-09-16 CA CA002481781A patent/CA2481781C/en not_active Expired - Fee Related
- 2004-11-09 JP JP2004325647A patent/JP4279239B2/ja not_active Expired - Fee Related
- 2004-12-06 EP EP04270012A patent/EP1542185B1/en not_active Expired - Fee Related
- 2004-12-06 DE DE602004007459T patent/DE602004007459T2/de active Active
-
2005
- 2005-07-14 HK HK05106019A patent/HK1073005A1/xx not_active IP Right Cessation
-
2006
- 2006-09-25 US US11/526,469 patent/US7486186B2/en not_active Expired - Lifetime
-
2008
- 2008-12-09 US US12/330,594 patent/US7830253B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2011516991A (ja) * | 2008-04-11 | 2011-05-26 | レイセオン カンパニー | 指向性エネルギビームのバーチャルフェンス |
Also Published As
Publication number | Publication date |
---|---|
US7119680B2 (en) | 2006-10-10 |
IL164093A0 (en) | 2005-12-18 |
US20050128090A1 (en) | 2005-06-16 |
DE602004007459T2 (de) | 2008-03-13 |
EP1542185B1 (en) | 2007-07-11 |
US20090243851A1 (en) | 2009-10-01 |
DE602004007459D1 (de) | 2007-08-23 |
EP1542185A1 (en) | 2005-06-15 |
IL164093A (en) | 2010-02-17 |
US7830253B2 (en) | 2010-11-09 |
CA2481781A1 (en) | 2005-06-11 |
US20070018815A1 (en) | 2007-01-25 |
CA2481781C (en) | 2009-02-24 |
JP4279239B2 (ja) | 2009-06-17 |
US7486186B2 (en) | 2009-02-03 |
HK1073005A1 (en) | 2005-09-16 |
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