Assignee: L-3 Communications Security and Detection Systems, Inc.

Location: Woburn, MA
No. of patents: 26

Number	Title	Issue Date
8165268	Material analysis based on imaging effective atomic numbers Effective atomic numbers associated with pixels in a region are received. An effective atomic number is associated with each pixel in the region. X-ray data for the region is received, and an item within the region is identified from the x-ray data. Some of the pixe...	04/24/2012
8137446	Particle concentrator 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...	03/20/2012
8106365	Identifying fissionable material Fissionable materials are distinguished from other high-effective atomic number materials by producing dual-energy x-ray radiation sufficient to cause fission in fissionable materials and directing the dual-energy x-ray radiation sufficient to cause fission in fissi...	01/31/2012
8059783	Irradiation system including an electron-beam scanner A property of a treatment beam is controlled during a scanning period. A portion of a region is exposed to an imaging x-ray beam during a scanning period, the imaging x-ray beam being generated by an electron-beam scanner. X-ray radiation from the region is detected...	11/15/2011
8031903	Networked security system The application discloses a system and methods for remote access and analysis of data collected about items under inspection. The system includes one or more data collection stations, each of which may include an X-ray scanner that scans the items under inspection t...	10/04/2011
8023619	Adaptive scanning in an imaging system An object within a region is exposed to a first beam of penetrating radiation. The first beam of penetrating radiation is sensed on a side opposite the region from a source of the first beam. An attenuation of the first beam caused by passing the first beam through ...	09/20/2011
7973697	Surveillance systems and methods with subject-related screening A surveillance system is disclosed. In some embodiments, the surveillance system may include at least one controller configured to receive information data from at least one upstream information source and to control operation of at least one controllable downstream...	07/05/2011
7903781	Determination of heavy particle stopping power A distribution of heavy particle stopping power is be determined. A distribution of effective atomic number of a three-dimensional space is accessed, and a distribution of an x-ray stopping power of the three-dimensional space is accessed. A conversion is applied to...	03/08/2011
7899156	Irradiation system including an electron-beam scanner A property of a treatment beam is controlled during a scanning period. A portion of a region is exposed to an imaging x-ray beam during a scanning period, the imaging x-ray beam being generated by an electron-beam scanner. X-ray radiation from the region is detected...	03/01/2011
7885380	Generating a representation of an object of interest A volumetric image of a space is acquired from an imaging system. The space includes an object of interest and another object, and the volumetric image includes data representing the object of interest and the other object. A two-dimensional radiograph of the space ...	02/08/2011
7864924	Scanning X-ray radiation X-ray radiation is generated at a target that emits x-ray radiation in response to being struck by accelerated electrons, the electrons being emitted by a cathode that emits electrons in response to being illuminated by electromagnetic radiation from a source, and t...	01/04/2011
7769132	Material analysis based on imaging effective atomic numbers Effective atomic numbers associated with pixels in a region are received. An effective atomic number is associated with each pixel in the region. X-ray data for the region is received, and an item within the region is identified from the x-ray data. Some of the pixe...	08/03/2010
7738687	Method of registration in a contraband detection system A multi-level contraband detection system. At a first level, the system obtains volumetric information about an item under inspection. The volumetric information provides a basis for identifying suspect objects in the item under inspection and their locations. The l...	06/15/2010
7734066	Security system with distributed computing A security system with a processor that receives information from multiple sources. The system is illustrated by a network of inspection machines at multiple locations in an airport, such as at check-in desks. These machines provide data to the processor for threat ...	06/08/2010
7561664	Increased throughput inspection station A method and apparatus for inspecting items for the presence of contraband. Trays may be used to hold items as they move through an inspection station. After use, the trays may be mechanically conveyed back to an entry region of the inspection station so that the tr...	07/14/2009
7519152	Inspection system with material identification An angular analysis system that can be controlled to receive radiation at a defined angle from a defined focus region. The angular analysis system is used for level 2 inspection in an explosive detection system. Level 2 inspection is provided by a three-dimensional ...	04/14/2009
7428297	Methods and apparatus for e-beam scanning 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 m...	09/23/2008
7369642	X-ray imaging technique A security system for detecting contraband such as explosives. The system has a source of radiation and a detector array. A detector array is made of many small detectors, each with a fast response time. The fast response time allows individual radiation photon inte...	05/06/2008
7324625	Contraband detection systems using a large-angle cone beam CT system A contraband detection system using a cone beam computed tomography scanner. The cone beam scanner allows for rapid acquisition of data for computing three dimensional density maps of objects within items under inspection. Where greater resolution is desired, the im...	01/29/2008
7312742	Computerized tomography using radar Sensing characteristics of an object includes transmitting a stepped-frequency radar through an object and detecting, with multiple receiving structures, deflected portions of the radar signal. The detected portions are processed to generate processed data including...	12/25/2007
7251310	Method and apparatus for detecting contraband using radiated compound signatures An system for detecting contraband, particularly explosives or other energetic materials. The system includes a source of ionizing radiation that irradiates an item under inspection. The radiation stimulates the emission of RF energy from objects within the item und...	07/31/2007
7123681	Folded array CT baggage scanner A reduced size CT scanner for baggage inspection has a wide angle x-ray source and multiple sets of detectors at different distances from the x-ray source. The detectors in each set are sized and positioned to maintain consistent pitch and flux levels among all dete...	10/17/2006
7023957	Method and apparatus for transmitting information about a target object between a prescanner and a CT scanner A method or apparatus for analyzing an object includes an X-ray prescanner that performs a prescan of the object to determine prescan information about the object. Then, a CT scanner performs a CT scan on at least one plane of the object based on the prescan informa...	04/04/2006
7020242	X-ray inspection system An X-ray inspection system and methodology is disclosed. The system comprises a conveyor, an X-ray source that exposes an item under inspection to X-ray radiation and at least one X-ray detector that detects X-ray radiation modified by the item. The X-ray source and...	03/28/2006
7016459	Folded array CT baggage scanner A reduced size CT scanner for baggage inspection has a wide angle x-ray source and multiple sets of detectors at different distances from the x-ray source. The detectors in each set are sized and positioned to maintain consistent pitch and flux levels among all dete...	03/21/2006
6968034	X-ray inspection system An X-ray inspection system and methodology is disclosed. The system comprises a conveyor, an X-ray source that exposes an item under inspection to X-ray radiation and at least one X-ray detector that detects X-ray radiation modified by the item. The X-ray source and...	11/22/2005

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Assignee: L-3 Communications Security and Detection Systems, Inc.