JP2015512033A - 高速セキュリティ検査システム - Google Patents
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- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
- G01V5/232—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays having relative motion between the source, detector and object other than by conveyor
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- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G—PHYSICS
- G01—MEASURING; TESTING
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- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
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- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
- G01V5/226—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays using tomography
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- G01—MEASURING; TESTING
- G01V—GEOPHYSICS; GRAVITATIONAL MEASUREMENTS; DETECTING MASSES OR OBJECTS; TAGS
- G01V5/00—Prospecting or detecting by the use of ionising radiation, e.g. of natural or induced radioactivity
- G01V5/20—Detecting prohibited goods, e.g. weapons, explosives, hazardous substances, contraband or smuggled objects
- G01V5/22—Active interrogation, i.e. by irradiating objects or goods using external radiation sources, e.g. using gamma rays or cosmic rays
- G01V5/224—Multiple energy techniques using one type of radiation, e.g. X-rays of different energies
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Abstract
Description
Claims (20)
- X線源と、少なくとも一つの二次元検出器アレイと、センサと、制御システムとを有し、移動する貨物をスキャンするX線システムであって、
前記X線源は、前記移動する貨物に放射するX線の円錐ビームを生成するように構成され、前記移動する貨物は前記X線の円錐ビームの平面と直行する直線状の軌道に沿って移動し、
前記少なくとも一つの二次元検出器アレイは、前記移動する貨物を通過した前記X線の円錐ビームを受取るように構成され、前記X線源と前記少なくとも一つの検出器アレイとは前記移動する貨物に関して互いに反対側に設けられ、
前記センサは前記移動する貨物の速度を測定するように構成され、
前記制御システムは、前記センサからの前記速度を示す情報を受取り、前記移動する貨物の速度と前記検出器アレイの大きさとに基づいて、前記X線の円錐ビームのパルス周波数と前記X線の円錐ビームのエネルギーレベルとの少なくとも1つを変調するように構成されていることを特徴とするX線システム。 - 前記X線源は単一のエネルギー源であることを特徴とする請求項1に記載のX線システム。
- 前記制御システムは、2つのX線のパルスの間に前記移動する貨物が移動する距離が前記検出器アレイの幅に略等しくなるように前記パルス周波数を変調することを特徴とする請求項2に記載のX線システム。
- 前記X線源は二つのエネルギー源であることを特徴とする請求項1に記載のX線システム。
- 前記制御システムは、2つのX線のパルスの間に前記移動する貨物が移動する距離が前記検出器の幅の半分に略等しくなるように前記パルス周波数を変調することを特徴とする請求項4に記載のX線システム。
- 前記貨物は、列車によって前記軌道に沿って進行させられることを特徴とする請求項1に記載のX線システム。
- 前記貨物は、運搬車によって前記軌道に沿って進行させられることを特徴とする請求項1に記載のX線システム。
- 散乱された放射線を前記検出器が受け取らないように、前記検出器アレイに接近して設けられたコリメータをさらに有することを特徴とする請求項1に記載のX線システム。
- 前記コリメータは、複数の行と列とから格子を形成する複数のコリメータシートを有することを特徴とする請求項8に記載のX線システム。
- 前記制御システムはスキャニングシステムから離れて設けられることを特徴とする請求項1に記載のX線システム。
- X線源と、少なくとも一つの検出器アレイと、制御システムとを有し、列車によって高速で移動する貨物をスキャンするX線システムであって、
前記X線源は、前記移動する貨物に放射するX線のビーム信号を生成し、
前記少なくとも一つの検出器アレイは、前記移動する貨物を通過した前記X線のビーム信号を受取るように構成され、前記X線源と前記少なくとも一つの検出器アレイとは前記列車に関して互いに反対側に設けられることにより検査区域が形成され、
前記制御システムは、前記移動する貨物の速度の関数または前記検出器アレイの幅の関数に基づいて、前記X線源のパルス周波数と前記X線源のエネルギーレベルとの少なくとも一つを変調するようにX線源を調整することを特徴とするX線システム。 - 前記X線源は単一のエネルギー源であることを特徴とする請求項11に記載のX線システム。
- 前記制御システムは、2つのX線のパルスの間に前記移動する貨物が移動する距離が前記検出器の幅に等しくなるように前記パルス周波数を変調することを特徴とする請求項12に記載のX線システム。
- 前記X線源は二つのエネルギー源であることを特徴とする請求項11に記載のX線システム。
- 前記制御システムは、2つのX線のパルスの間に前記移動する貨物が移動する距離が前記検出器の幅の半分に等しくなるように前記パルス周波数を変調することを特徴とする請求項14に記載のX線システム。
- 前記制御システムは、前記移動する貨物内の物体の特性を示すデータを生成するために、前記X線源を高エネルギーX線ビームを放射する状態と低エネルギーX線ビームを放射する状態とに交互に切替えることを特徴とする請求項15に記載のX線システム。
- 前記移動する貨物の光学画像を取得するシステムをさらに備えた請求項11に記載のX線システム。
- 前記制御システムは、前記光学画像を取得するシステムを取得するシステムから光学データを受取り、前記光学データに基づいて前記移動する貨物が前記X線ビーム信号によってスキャンされるべきかを判断することを特徴とする請求項17に記載のX線システム。
- 前記移動する貨物の速度を判断するセンサシステムをさらに有することを特徴とする請求項11に記載の制御システム。
- 前記制御システムはスキャニングシステムから離れて設けられることを特徴とする請求項11に記載のX線システム。
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US201261596648P | 2012-02-08 | 2012-02-08 | |
US61/596,648 | 2012-02-08 | ||
PCT/US2013/023676 WO2013119423A1 (en) | 2012-02-08 | 2013-01-29 | High-speed security inspection system |
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JP2015512033A true JP2015512033A (ja) | 2015-04-23 |
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US (6) | US9274065B2 (ja) |
EP (2) | EP3570014B1 (ja) |
JP (1) | JP6216331B2 (ja) |
KR (1) | KR102041653B1 (ja) |
CN (1) | CN104254769B (ja) |
AU (1) | AU2013217614B2 (ja) |
BR (1) | BR112014019597B1 (ja) |
CA (2) | CA3002818C (ja) |
GB (1) | GB2513069B (ja) |
IN (1) | IN2014DN06572A (ja) |
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