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1. 发明授权

US09915727B1 Agile sensing for radar and metal detection 有权
公开(公告)号：US09915727B1
公开(公告)日：2018-03-13
申请号：US14821340
申请日：2015-08-07
申请人： L-3 Communications Security and Detection Systems, Inc.
发明人： Victor V. Reznack , Herbert Duvoisin, III , Joe R. Jordan, III
IPC分类号： G01S13/88 , G01S13/04
CPC分类号： G01S13/885 , G01S13/34 , G01V3/12 , G01V3/17
摘要： Methods, systems, and apparatus for transmitting a first set of stepped-frequency CW signals having first signal parameters, where the first signal parameters includes a first bandwidth and a first step size between signal frequencies. Detecting reflections of the first set of transmitted CW signals. Identifying an indication of a potential target in a frequency range of the reflections of the first set of transmitted CW signals from the detected reflections of the first set of transmitted CW signals. Determining second signal parameters for a second set of stepped-frequency CW signals in response to identifying the indication of the potential target. The second signal parameters include a second bandwidth and a second step size between signal frequencies, and where the second signal parameters focus on the frequency range in which the indication of the potential target is identified. Transmitting the second set of CW signals.

2. 发明申请

US20180003814A1 SENSOR HEAD 审中-公开
公开(公告)号：US20180003814A1
公开(公告)日：2018-01-04
申请号：US15691878
申请日：2017-08-31
申请人： L-3 Communications Security and Detection Systems, Inc.
发明人： Herbert Duvoisin, III , Juan Antonio Torres-Rosario , Christopher Gary Sentelle , Douglas O. Carlson , Glen A. Holman , Marquette Trishaun
IPC分类号： G01S13/88 , G01V3/12 , G01S13/86 , G01S13/34 , G01S13/02 , G01S7/35 , G01S7/41
CPC分类号： G01S13/885 , G01S7/354 , G01S7/412 , G01S13/0209 , G01S13/347 , G01S13/86 , G01V3/12
摘要： An apparatus includes an extendable wand, and a sensor head coupled to the wand. The sensor head includes a continuous wave metal detector (CWMD) and a radar. When the wand is collapsed, the wand and the sensor head collapse to fill a volume that is smaller than a volume filled by the sensor head and the wand when the wand is extended. Frequency-domain data from a sensor configured to sense a region is accessed, the frequency-domain data is transformed to generate a time-domain representation of the region, a first model is determined based on the accessed frequency-domain data, a second model is determined based on the generated time-domain representation, the second model being associated with a particular region within the sensed region, and a background model that represents a background of the region is determined based on the first model and the second model.

3. 发明授权

US09733353B1 Offset feed antennas 有权
公开(公告)号：US09733353B1
公开(公告)日：2017-08-15
申请号：US14598428
申请日：2015-01-16
申请人： L-3 Communications Security and Detection Systems, Inc.
发明人： Douglas O. Carlson , Herbert Duvoisin, III , Christopher Gary Sentelle
IPC分类号： G01S13/88 , G01S7/40 , G01V3/10 , G01S13/86 , H01Q9/27 , H01Q1/38 , H01Q11/08
CPC分类号： G01S13/885 , G01S13/003 , G01S13/878 , G01S13/88 , G01S13/887 , G01S13/888 , G01V3/105 , G01V3/12 , G01V3/15 , H01Q1/38 , H01Q9/27 , H01Q11/083
摘要： An apparatus for detecting objects includes a transceiver configured to generate a radar signal, a radar having a transmit antenna configured to transmit the radar signal, and a receive antenna configured to sense a return signal in response to a transmission of the radar signal. The apparatus also includes a processor configured to detect an object based on the return signal. One or more of the transmit antenna or the receive antenna include offset spiral feed antennas.

4. 发明授权

US09031196B2 Adaptive scanning in an imaging system 有权
标题翻译：成像系统中的自适应扫描
公开(公告)号：US09031196B2
公开(公告)日：2015-05-12
申请号：US13616048
申请日：2012-09-14
申请人： Ronald Steven McNabb, Jr. , Nicholas Danvers Penrose Gillett
发明人： Ronald Steven McNabb, Jr. , Nicholas Danvers Penrose Gillett
IPC分类号： G01N23/083 , G01V5/00 , G01N23/20 , A61B6/00
CPC分类号： G01T7/005 , A61B6/483 , G01N23/04 , G01N23/20083 , G01V5/0016
摘要： An imaging system exposes an object within a region to a beam of penetrating radiation. The beam of penetrating radiation is sensed on a side opposite the region from a source of the beam. An attenuation of the beam caused by passing the beam through the object is determined, the attenuation is compared to a threshold attenuation. If the attenuation exceeds the threshold attenuation, a parameter of the imaging system is adjusted based on the determined attenuation.
摘要翻译：成像系统将区域内的物体暴露于穿透辐射束。穿透辐射束在与光源的区域相对的一侧被感测。确定通过使光束通过物体而导致的光束的衰减，将衰减与阈值衰减进行比较。如果衰减超过阈值衰减，则基于确定的衰减来调整成像系统的参数。

5. 发明授权

US08644549B2 Reconstruction method using direct and iterative techniques 有权
标题翻译：使用直接和迭代技术的重建方法
公开(公告)号：US08644549B2
公开(公告)日：2014-02-04
申请号：US13364182
申请日：2012-02-01
申请人： Andrew D. Foland , Boris Oreper , Vitaliy Ziskin
发明人： Andrew D. Foland , Boris Oreper , Vitaliy Ziskin
IPC分类号： G06K9/00 , A61B6/00
CPC分类号： G06T11/006 , G06T2211/421 , G06T2211/424
摘要： A system and method for forming volumetric images of an imaged object based on multiple radiation measurements of the object taken from different angles. A first volumetric image of the object may be calculated using a direct reconstruction method from a plurality of radiation measurements of the object. At least one iteration of an iterative reconstruction method may be performed to compute a second volumetric image of the object. The iterative reconstruction method may be initialized with the first volumetric image of the object.
摘要翻译：基于从不同角度拍摄的物体的多个辐射测量来形成成像对象的体积图像的系统和方法。可以使用来自物体的多个辐射测量的直接重建方法来计算物体的第一体积图像。可以执行迭代重建方法的至少一次迭代以计算对象的第二体积图像。可以用对象的第一体积图像来初始化迭代重建方法。

6. 发明申请

US20130003929A1 ADAPTIVE SCANNING IN AN IMAGING SYSTEM 有权
公开(公告)号：US20130003929A1
公开(公告)日：2013-01-03
申请号：US13616048
申请日：2012-09-14
申请人： Ronald Steven McNabb, JR. , Nicholas Danvers Penrose Gillett
发明人： Ronald Steven McNabb, JR. , Nicholas Danvers Penrose Gillett
IPC分类号： G01N23/201 , G01N23/04
CPC分类号： G01T7/005 , A61B6/483 , G01N23/04 , G01N23/20083 , G01V5/0016
摘要： An imaging system exposes an object within a region to a beam of penetrating radiation. The beam of penetrating radiation is sensed on a side opposite the region from a source of the beam. An attenuation of the beam caused by passing the beam through the object is determined, the attenuation is compared to a threshold attenuation. If the attenuation exceeds the threshold attenuation, a parameter of the imaging system is adjusted based on the determined attenuation.

7. 发明授权

US08345812B2 Distinguishing between classes of fissionable material 有权
标题翻译：区分可裂变材料的类别
公开(公告)号：US08345812B2
公开(公告)日：2013-01-01
申请号：US12426172
申请日：2009-04-17
申请人： David Perticone , Vitaliy Ziskin
发明人： David Perticone , Vitaliy Ziskin
IPC分类号： G21G1/08
CPC分类号： H05H3/06 , G01V5/0091 , H05H6/00
摘要： A first pulsed beam of charged particles from a particle accelerator is accelerated toward a first target that is configured to emit a fast neutron beam in response to being struck by an accelerated particle such that the fast neutron beam is directed toward a physical region. The last neutron beam includes a neutron having an energy sufficient to cause fission in a fissionable material. Data from a sensor configured to detect radiation of a fission product is accessed, and before accelerating a second pulsed beam of charged particles, whether the physical region includes a fissionable material based on the data from the sensor is determined.
摘要翻译：来自粒子加速器的带电粒子的第一脉冲束被加速朝向被配置为响应于被加速粒子撞击而发射快中子束的第一目标而被加速，使得快中子束被引向物理区域。快中子束包括具有足以在可裂变材料中分裂的能量的中子。访问配置成检测裂变产物的辐射的传感器的数据，并且在加速带电粒子的第二脉冲束之前，确定基于来自传感器的数据的物理区域是否包括可裂变材料。

8. 发明申请

US20120170714A1 METHODS AND APPARATUS FOR E-BEAM SCANNING 审中-公开
标题翻译：电子束扫描的方法和装置
公开(公告)号：US20120170714A1
公开(公告)日：2012-07-05
申请号：US13413038
申请日：2012-03-06
申请人： Boris Oreper , Richard Franklin Eilbert , Nikolay Rolshud
发明人： Boris Oreper , Richard Franklin Eilbert , Nikolay Rolshud
IPC分类号： G01N23/04
CPC分类号： G01V5/0016 , G01N23/2252 , H01J35/14 , H01J2235/068 , H05G1/52 , H05G1/70
摘要： In one aspect, an x-ray scanning device is provided. The x-ray scanning device comprises a target adapted to convert electron-beam (e-beam) energy into x-ray energy, a detector array positioned to detect at least some x-rays emitted from the target, and a conveyer mechanism adapted to convey items to be inspected through an inspection region formed by the target and the detector array, wherein the target and the detector array are rotated out of alignment with each other such that x-rays emitted from the target impinge on diametrically positioned detectors of the detector array without passing through near-side detectors of the detector array.
摘要翻译：一方面，提供了一种X射线扫描装置。 X射线扫描装置包括适于将电子束（电子束）能量转换成x射线能量的靶，定位成检测从目标射出的至少一些X射线的检测器阵列，以及适于通过由目标和检测器阵列形成的检查区域输送要检查的物品，其中目标物和检测器阵列彼此旋转离开对准，使得从目标射出的X射线照射在检测器的直径定位的检测器上阵列不经过检测器阵列的近侧检测器。

9. 发明授权

US08155272B2 Methods and apparatus for e-beam scanning 有权
标题翻译：电子束扫描的方法和装置
公开(公告)号：US08155272B2
公开(公告)日：2012-04-10
申请号：US12191587
申请日：2008-08-14
申请人： Richard Franklin Eilbert , Boris Oreper , Nikolay Rolshud
发明人： Richard Franklin Eilbert , Boris Oreper , Nikolay Rolshud
IPC分类号： H01J35/06 , H01J35/30 , G01N23/083
CPC分类号： G01V5/0016 , G01N23/2252 , H01J35/14 , H01J2235/068 , H05G1/52 , H05G1/70
摘要： In one aspect, an x-ray scanning device is provided. The x-ray scanning device comprises a target adapted to convert electron-beam (e-beam) energy into x-ray energy, a detector array positioned to detect at least some x-rays emitted from the target, and a conveyer mechanism adapted to convey items to be inspected through an inspection region formed by the target and the detector array, wherein the target and the detector array are rotated out of alignment with each other such that x-rays emitted from the target impinge on diametrically positioned detectors of the detector array without passing through near-side detectors of the detector array.
摘要翻译：一方面，提供了一种X射线扫描装置。 X射线扫描装置包括适于将电子束（电子束）能量转换成x射线能量的靶，定位成检测从目标射出的至少一些X射线的检测器阵列，以及适于通过由目标和检测器阵列形成的检查区域输送要检查的物品，其中目标物和检测器阵列彼此旋转离开对准，使得从目标射出的X射线照射在检测器的直径定位的检测器上阵列不经过检测器阵列的近侧检测器。

10. 发明授权

US08137446B2 Particle concentrator 失效
公开(公告)号：US08137446B2
公开(公告)日：2012-03-20
申请号：US12047052
申请日：2008-03-12
申请人： Thomas D. Plamondon , Nikolay Rolshud , Peter F. Cram , Mark Fraser
发明人： Thomas D. Plamondon , Nikolay Rolshud , Peter F. Cram , Mark Fraser
IPC分类号： B01D45/00 , B01D45/02
CPC分类号： B01D45/04
摘要： Concentrating particles in a turbulent gas flow may include receiving, in a receptacle, a turbulent gas flow that includes particles. The concentration of particles in a gas flow exiting the receptacle at a first port is increased as compared with a concentration of the particles in the gas flow received by the receptacle. The increased concentration of particles is accomplished by removing a portion of the gas flow by using a second port, and fluidly communicating the gas flow through a tube in the receptacle. The tube has a smaller diameter at the end of the tube at which the gas flow exits the tube than diameter at the end of the tube at which the gas flow is received.

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