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Nuctech Company Limited patents


Recent patent applications related to Nuctech Company Limited. Nuctech Company Limited is listed as an Agent/Assignee. Note: Nuctech Company Limited may have other listings under different names/spellings. We're not affiliated with Nuctech Company Limited, we're just tracking patents.

ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009 | Company Directory "N" | Nuctech Company Limited-related inventors


Portable raman device

The disclosure provides a portable Raman device that includes a laser for emitting exciting light; a spectrometer for receiving Raman scattered light and converting the Raman scattered light into an electrical signal after beam splitting; a probe for leading the exciting light to irradiate on a sample and collect the... Nuctech Company Limited

Security inspection apparatus and method

The present disclosure proposes a security inspection apparatus and method, relates to the technical field of radiation, wherein the security inspection apparatus of the disclosure comprises: radiation emitting device, back-scatter detector, size-distance detecting device, orientation adjusting device; the back-scatter detector located between the radiation emitting device and an inspected object;... Nuctech Company Limited

Autonomously mobile backscatter detection apparatus and method, and positioning the apparatus

An autonomously mobile backscatter detection apparatus and method is disclosed. In one aspect, the apparatus includes a mobile platform configured to move freely in a horizontal plane. The apparatus further includes a backscatter detection imaging apparatus, arranged on the mobile platform, configured to acquire an image of an item to... Nuctech Company Limited

Methods and apparatuses for reconstructing incident energy spectrum for a detector

A method and apparatus for reconstructing an incident energy spectrum for a detector are disclosed. In this method, an object to be inspected is illuminated with rays, and then rays transmitted through the object to be inspected are received by the detector to convert the received rays into data of... Nuctech Company Limited

Methods and apparatuses for estimating an ambiguity of an image

A method and an apparatus for estimating an image fuzziness are provided. The method may comprise: acquiring an image; obtaining a mufti-scale representation of the image by performing a mufti-scale transform on the image; calculating gradients of the image and a normalized histogram of the gradients at each scale based... Nuctech Company Limited

In-vehicle detection system and power supply system and power supply controller

The present disclosure discloses an in-vehicle detection system and power supply system and power supply controller, which relates to the power supply control field. The power supply system comprises a low-power generator; a battery pack for supplying power to the in-vehicle detection system; a charger electrically connected to the low-power... Nuctech Company Limited

Methods and devices for detecting radioactive sources

A method and device for detecting radioactive sources is disclosed. In one aspect, an example method includes measuring, by a detector, a count rate curve of an inspection object while the inspection object moves through the detector. Pattern recognition is performed on the count rate curve. Whether there are radioactive... Nuctech Company Limited

Apparatuses and methods for generating distributed x-rays in a scanning manner

An apparatus and method to generate distributed x-rays. A hot cathode of an electron gun is used in vacuum to generate electron beams having certain initial movement energy and speed. Periodic scanning is performed with the initial low-energy electron beams, which are thus caused to be reciprocally deflected. A current-limiting... Nuctech Company Limited

Method for performing material decomposition using a dual-energy x-ray ct and corresponding dual-energy x-ray ct apparatus

Methods and system for decomposing a high-energy dual-energy X-ray CT material are disclosed. In the method, two types of effect such as Compton effect and electron pairing effect which dominates are reserved and the influence of the other effect such a photoelectric effect is removed so as to improve the... Nuctech Company Limited

Method, apparatus and system for inspecting object based on cosmic ray

The present application relates to a method, apparatus and system for inspecting an object based on a cosmic ray, pertaining to the technical field of radiometric imaging and safety inspection. The method includes: recording a movement trajectory of an inspected object by using a monitoring device; acquiring information of charged... Nuctech Company Limited

Method, device and system for inspecting moving object based on cosmic rays

The present disclosure relates to a method, a device and a system for inspecting a moving object based on cosmic rays, pertaining to the field of radiation imaging and safety inspection techniques. The method includes: detecting whether a speed of the inspected moving object is within a preset range; recording... Nuctech Company Limited

Inspection methods and systems

An inspection method and system for inspecting whether there is any liquor in goods is provided. The method includes: acquiring a radiation image of goods being inspected; processing on the radiation image to obtain an ROI; inspecting on the ROI using a liquor goods inspection model to determine if the... Nuctech Company Limited

Dual-energy ray imaging methods and systems

Disclosed is a dual-energy ray imaging method and system. The method comprises: calculating the mass thicknesses of the materials in the overlapped area of two materials by using a calibrated surface fitting method, and then decomposing a pair of original high-energy and low-energy data for this pixel into two high-low-energy... Nuctech Company Limited

Scan method, scan system and radiation scan controller

This invention provides a scan method, scan system and radiation scan controller, and relates to the field of radiation. Wherein, the scan method of this invention comprises: obtaining detection data of an object to be inspected under radiation scanning using a detector; adjusting an accelerator output beam dose rate and/or... Nuctech Company Limited

Vehicle identification methods and systems

Disclosed is a vehicle identification method and system. The method includes: acquiring appearance information of an inspected vehicle; obtaining external features of the vehicle based on the appearance information; acquiring a transmission image of the vehicle and obtaining internal features of the vehicle from the transmission image; forming descriptions on... Nuctech Company Limited

Method and device for operating ct-based three-dimensional image used for security inspection

The present disclosure provides a method and device for operating a CT-based three-dimensional image used for security inspection. The method includes: providing a CT-based three-dimensional image used for security inspection; accepting a selection of an image of an object in the three-dimensional image; and responding to the selection. The present... Nuctech Company Limited

Automatic switching method and automatic switching system

The present disclosure relates to an automatic switching method and an automatic switching system. The automatic switching method includes: an automatic switching device monitoring in real time a service state of an operation server; when the automatic switching device monitors that the operation server has terminated providing service for a... Nuctech Company Limited

Trailed multiple-viewing-angle item inspection system and using the same

Embodiments of the present invention provide a trailed multiple-viewing-angle item inspection system and method of operating the same. The inspection system includes: a trailer vehicle, a radiation inspection device, a power supply device and a power grid connection device. The trailer vehicle is mounted with a power supply chamber within... Nuctech Company Limited

Methods for positioning a target in a three-dimensional ct image and ct systems for security inspection

Disclosed is a method for positioning a target in a three-dimensional CT image and a CT system for security inspection. The method includes: displaying a three-dimensional CT image; receiving a selection by a user of at least one area of the three-dimensional CT image at a viewing angle; generating at... Nuctech Company Limited

Apparatus and inspecting moving target

An apparatus and method for quick imaging and inspection of a moving target. The apparatus comprises a passage, a scanning and imaging device (106), a first position sensor (101), a second position sensor (103), and a control unit (105). The control unit (105) powers on an electron induction accelerator in... Nuctech Company Limited

Multi-energy spectrum x-ray grating-based imaging system and imaging method

The present disclosure relates to a multi-spectrum X-ray grating-based imaging system and imaging method. The multi-spectrum X-ray grating-based imaging system according to the present disclosure comprises an incoherent X-ray source for emitting X-rays to irradiate an object to be detected, a grating module comprising a first absorption grating and a... Nuctech Company Limited

Method and system of identifying container number

The present disclosure provides a method of identifying a container number, including: arranging an image acquiring device along a passageway through which a container will pass, the image acquiring device comprising a trigger unit and a plurality of image acquiring units, at least two image acquiring units of the plurality... Nuctech Company Limited

X-ray phase-contrast imaging system and imaging method

The present disclosure relates to X-ray imaging systems and methods. An exemplary system may comprise a distributed X-ray source arrangement, a fixed grating module, an X-ray detecting device, and a computer workstation. In one illustrative implementation, X-ray sources of the distributed incoherent X-ray source arrangement may sequentially generate and emit... Nuctech Company Limited

Imaging system and evaluating an image quality for the imaging system

A method of evaluating an image quality for an imaging system and the imaging system are provided. The method may comprise: acquiring an image to be evaluated which is generated by the imaging system; extracting a plurality of sub-images from the image; obtaining a coefficient vector indicating a degree of... Nuctech Company Limited

Power-assisted steering system and mobile inspection device

The present disclosure relates to power-assisted steering systems and mobile inspection devices. Implementations may include and/or involve a directional control valve, a second hydraulic pump and a first driving motor. When determining an engine on a chassis has not been started, a central control unit may control start of the... Nuctech Company Limited

Vehicle positioning apparatus

The present disclosure relates to a vehicle positioning apparatus. An implementation may comprise a base provided with a recess, wherein each of two opposite sides of an upper edge of the recess are rotatably provided with a flap, and wherein a power unit may be provided on an outer side... Nuctech Company Limited

Vehicle guidance system, orientating vehicle, and inspection vehicle

Embodiments of the invention disclose a vehicle guidance system, a method for orientating a vehicle, and an inspection vehicle. The vehicle guidance system includes at least two separate reference devices; a laser scanner device, configured to emit a laser beam signals and scan a sectorial region with the laser beam... Nuctech Company Limited

Safety protection device and raman spectroscopy detection system for raman spectroscopy detection

Embodiments of the present disclosure provide a safety protection device for Raman spectroscopy detection and a Raman spectroscopy detection system including the safety protection device. The safety protection device includes: a detection cavity including a cavity body, the cavity body having an opening end through which a sample to be... Nuctech Company Limited

Vehicle traction system and radiation imaging check system

The present disclosure relates to vehicle traction apparatus and radiation imaging check systems. One illustrative implementation may comprise two parallel tracks, two sets of traction mechanisms and a driving unit, wherein the tracks are disposed on a ground. The two sets of traction mechanisms may be respectively disposed on the... Nuctech Company Limited

Ray calibration device and operating method thereof, and radiation imaging system and operating method thereof

The present disclosure provides a ray calibration device and a working method thereof, and a radiation imaging system and a working method thereof, and belongs to the field of radiation imaging technology. The present disclosure can solve the problems that the existing calibration devices have low calibration efficiency and require... Nuctech Company Limited

Dual-energy detection apparatus, system and method

The present application relates to a dual-energy detection method, system and apparatus. The apparatus includes: a first pixel detector array proximal to a ray source, configured to detect ray source photons having relatively low energy; and a second pixel detector array distal from the ray source, configured to detect ray... Nuctech Company Limited

Portable backscatter imaging inspection apparatus and imaging method

The present disclosure relates to a portable backscatter imaging inspection apparatus and an imaging method thereof, the apparatus comprising: an apparatus housing, an X-ray source, a rotating modulation mechanism, a radiation detector, a motion sensor and a controller; the X-ray source, the rotating modulation mechanism, the radiation detector and the... Nuctech Company Limited

Human body radiation examining method and system

A human body radiation examining method and system are disclosed. In one aspect, the human body radiation examining method comprises: identifying a person to be examined. The method further comprises retrieving an accumulative radiation dose of the person according to identification result. The method further comprises obtaining a predicted single... Nuctech Company Limited

Slow neutron conversion body and slow neutron detector

The present application, pertaining to the field of slow neutron detection, relates to a slow neutron converter and a slow neutron detector. The slow neutron converter includes a substrate, the substrate including a plurality of holes extending along a first direction and insulating walls between the plurality of holes, wherein... Nuctech Company Limited

Inspection systems for quarantine and methods thereof

The present disclosure discloses an inspection system for quarantine and a method thereof. The CT technology is applied to the field of quarantine supervision, overcoming a problem of objects in an image of a single-view or a multi-view X-ray machine being overlapped, as well as a problem of organics including... Nuctech Company Limited

06/29/17 / #20170184757

Inspection devices for quarantine

An inspection device for quarantine that includes a dual-energy CT apparatus capable of distinguishing substances, a DR apparatus, a substance identification system capable of enhancing display of an object (plant, animal, meat, etc.) focused for quarantine and automatically so labeling, and an image processing system capable of highlighting a suspect... Nuctech Company Limited

06/29/17 / #20170184758

Human body security inspection human body security inspection performed by using the system

The present disclosure provides a human body security inspection system, including: an X-ray source configured to provide X-ray radiation for scanning a human body to be inspected, a detector configured to receive X-ray radiation transmitting through the human body to be inspected and generate a transmission signal, a sensor configured... Nuctech Company Limited

06/29/17 / #20170185842

Method, system and device for security inspection

The present disclosure relates to a method, a system and a device for security inspection, pertaining to the field of security inspection. The method includes: before a baggage enters a security inspection machine and/or after the baggage leaves the security inspection machine, acquiring information about the baggage and information about... Nuctech Company Limited

06/29/17 / #20170186172

Method and system for identifying train number and train type, and security inspection

The present disclosure provides a method and system for identifying a train number and train type. The method includes: continuously photographing a train under inspection by using a linear-array camera in motion relative to the train under inspection, and generating a plurality of partial images of the train; splicing the... Nuctech Company Limited

06/29/17 / #20170186506

Protective device and laser raman safety inspection apparatus comprising the same

Embodiments of the present invention provide a protective device including a sliding door and a housing, together forming a closed space, wherein, a guide rail is provided on the housing, and the sliding door is slidable along the guide rail to open or close the closed space. In addition, embodiments... Nuctech Company Limited

06/29/17 / #20170186507

Collimator and inspection system having the same

A collimator and an inspection system having the collimator are disclosed. The collimator includes: a collimator body including a first part and a second part; a collimating slit formed between the first part and the second part and having a first end and a second end in a longitudinal direction... Nuctech Company Limited

06/29/17 / #20170187085

Phase shifter, accelerator and operating the same

The present disclosure relates to a phase shifter, an accelerator, and an operating method therefor. The phase shifter comprises a rotating part having a first hollow structure, the first hollow structure having a first cavity, a distance between a circumference of the cross section of the first cavity and a... Nuctech Company Limited

06/22/17 / #20170176299

Sample injection device and sample collection and sample thermal desorption, and trace detection apparatus

The present invention discloses a sample injection device for sample collection and sample thermal desorption. The device comprises: a sample collection structure; a piston type adsorber having an adsorption cavity capable of being arranged to be in communication with the sample collection structure; a piston cylinder defining a piston chamber... Nuctech Company Limited

06/22/17 / #20170176351

Method and system for liquid detection

Systems and methods for liquid detection are disclosed. An illustrative method for liquid detection herein may include implementing CT imaging and XRD imaging on one or more liquid planes of liquid contained in a container at once by rotating the container so that X-rays from a same radiation source scan... Nuctech Company Limited

06/22/17 / #20170176352

Detection system and method

The present disclosure relates to detection systems and methods. One illustrative detection system may include a distributed radiation source having a plurality of radiation source focus points, which irradiate an object under detection, wherein the plurality of radiation source focus points are divided into a certain number of groups, and... Nuctech Company Limited

06/22/17 / #20170176353

Multi-modality detection system and method

The present disclosure relates to multi-modality detection systems and methods. One illustrative multi-modality detection system may include a distributed radiation source configured to irradiate an object under detection, a primary collimator configured to separate rays of the distributed radiation source into two parts, wherein one part is for CT detection... Nuctech Company Limited

06/22/17 / #20170176631

Method for positioning target in three-dimensional ct image and security check system

A method for positioning a target in a three-dimensional CT image and a security check system. The method includes: displaying a three-dimensional CT image; receiving a selection by a user of at least one area of the three-dimensional CT image at a first viewing angle to generate a first three-dimensional... Nuctech Company Limited

06/22/17 / #20170178312

Methods, systems, and apparatuses for inspecting goods

The present disclosure provides a method and a system for inspecting goods. The method comprises steps of: obtaining a transmission image of inspected goods; processing the transmission image to obtain a suspicious region; extracting local texture features of the suspicious region and classifying the local texture features of the suspicious... Nuctech Company Limited

06/15/17 / #20170168191

Mobile radiographic inspection system and lifting device for mobile radiographic inspection system

The present disclosure relates to mobile radiographic inspection systems and lifting devices for mobile radiographic inspection systems, including those, for example, in the field of radiographic detection of large objects such as containers. In one illustrative implementation, the present disclosure describes a lifting device for a mobile radiographic inspection system,... Nuctech Company Limited

06/08/17 / #20170160168

Method and system for fast inspecting vehicle

A method and a system for fast inspecting a vehicle based on a length measuring device, including: when a subject vehicle enters an inspection region, measuring a first length and a second length of the subject vehicle; determining whether the first length and the second length is respectively larger than... Nuctech Company Limited

06/08/17 / #20170160304

Method and device for monitoring state of moving object and system for fast inspecting vehicle

The present disclosure relates to a method and a device for monitoring a state of a moving object and a system for fast inspecting a vehicle. The method and a device for monitoring a state of a moving object positions and measures speed of the moving object by using a... Nuctech Company Limited

06/08/17 / #20170160426

Methods and systems for inspecting a vehicle

A method for inspecting a vehicle includes acquiring a unique identity number of an insepected vehicle, carrying out X-ray scanning on the inspected vehicle to acquire an X-ray image of the inspected vehicle, retrieving at least one historical inspected image related to the unique identity number from a historical inspection... Nuctech Company Limited

06/08/17 / #20170161586

Train type identification method and system, and security inspection method and system

The present disclosure relates to a train type identification method and system, and a security inspection system and system. The train type identification method includes: continuously photographing a to-be-inspected train by using a linearity camera in motion relative to the to-be-inspected train, and generating a plurality of train sub-images; splicing... Nuctech Company Limited

06/08/17 / #20170162359

Electron source, x-ray source and device using the x-ray source

The present disclosure is directed to an electron source and an X-ray source using the same. The electron source of the present invention comprises: at least two electron emission zones, each of which comprises a plurality of micro electron emission units, wherein the micro electron emission unit comprises: a base... Nuctech Company Limited

05/18/17 / #20170138902

Darkroom type security inspection apparatus and method

The present invention discloses darkroom type security inspection apparatus and method. An apparatus comprises a housing constituting a closed darkroom, and assemblies disposed inside the housing. The assemblies disposed inside the housing are communicated by fittings or connectors and comprises: a sampling assembly comprising a sample collecting unit and a... Nuctech Company Limited

05/18/17 / #20170138914

Darkroom type security inspection apparatus and method

A darkroom type security inspection apparatus and a method of performing an inspection using the darkroom type security inspection apparatus. An apparatus includes a housing constituting a closed darkroom, and assemblies disposed inside the housing. The assemblies disposed inside the housing include: a sample collecting unit configured to collect a... Nuctech Company Limited

05/18/17 / #20170140526

Methods and systems for inspecting goods

The present disclosure provides a method and a system for inspecting goods. The method includes the steps of: obtaining a transmission image and a HSCODE of inspected goods; processing the transmission image to obtain a region of interest; retrieving from a model library a model created based on the HSCODE,... Nuctech Company Limited

05/04/17 / #20170122884

Radiography systems based on distributed ray source

The present disclosure discloses a radiography system including: a ray source, comprising a plurality of X-ray generators which are distributed on one or more planes intersected with a moving direction of an object being inspected; a detector module comprising a plurality of detection units; a data collection circuit; a controller,... Nuctech Company Limited

03/30/17 / #20170094762

Dual-energy ray scanning system, scanning method and inspecting system

The present invention discloses a dual-energy ray scanning system, scanning method and inspecting system and relates to the radiation scanning, imaging and detecting field. The dual-energy ray scanning system comprises a ray source for alternately emitting a high energy ray and a low energy ray; a filter comprising a low... Nuctech Company Limited

03/23/17 / #20170082777

Security inspection passage and security inspection apparatus

A security inspection passage and a security inspection apparatus. The security inspection passage includes: an inspection passage main portion that extends along a first direction and through which an item to be inspected passes so as to receive an inspection; an inspection passage entrance end portion configured to be oriented... Nuctech Company Limited

03/23/17 / #20170083768

Smart security inspection system and method

The disclosure relates to smart security inspection systems and methods. One illustrative method may comprise distributing, by the system, a security inspection tray to a person to be inspected through an unpacking station and associating/binding information regarding the person to be inspected to a baggage identifier, and identifying the baggage... Nuctech Company Limited

03/16/17 / #20170075026

Inspection devices, inspection methods and inspection systems

The present disclosure discloses an inspection device, an inspection method and an inspection system. The device comprises a distributed ray source comprising multiple source points; a light source collimator configured to converge the rays generated by the distributed ray source to form an inverted fan-shaped ray beam; a scatter collimator... Nuctech Company Limited

03/09/17 / #20170068003

Safety inspection detector and goods safety inspection system

The invention discloses a safety inspection detector and a goods safety inspection system. The safety inspection detector at least comprises a circuit board, a first housing, a second housing, a detection module and a connecting interface. The detection module and the connecting interface are mounted on the circuit board. The... Nuctech Company Limited

03/09/17 / #20170068017

Safety inspection apparatus

A safety inspection apparatus is disclosed in embodiments of the present invention. The safety inspection apparatus includes: an x-ray source including a ray emission focal spot; and a plurality of detector modules each of which has a ray receiving surface, and which are arranged along a plurality of straight line... Nuctech Company Limited

01/26/17 / #20170023697

Methods and devices for estimating weight of an object to be inspected in an inspection system

Disclosed is a method and device for estimating weight of an object to be inspected in an inspection system. An effective atomic number and a high-energy gray value of the dual-energy corresponding to each pixel of the object to be inspected are obtained by a dual-energy radiation scanning. A mass-thickness... Nuctech Company Limited

Patent Packs
01/26/17 / #20170024862

Method and system for estimating point spread function

The present disclosure relates to a method and device for estimating a point spread function. In one implementation, a method includes capturing, by a scanning device, an image by scanning a plurality of rectangle blocks which are same sized and closely arranged, wherein the plurality of rectangle blocks are made... Nuctech Company Limited

01/19/17 / #20170016856

Detection apparatus and detection method

A detection apparatus and a detection method are disclosed. In one aspect, the detection apparatus includes a sampling device for collecting samples to be checked. It further includes a sample pre-processing device configured to pre-process the sample from the sampling device. It further includes a sample analyzing device for separating... Nuctech Company Limited

01/19/17 / #20170017667

Vehicle inspection methods and systems

A vehicle inspection method and system are disclosed. In one aspect, the method includes acquiring a transmission image of an inspected vehicle. The method further includes acquiring a transmission image template of a vehicle model corresponding to the model of the inspected vehicle from a database. The method further includes... Nuctech Company Limited








ARCHIVE: New 2018 2017 2016 2015 2014 2013 2012 2011 2010 2009



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