Patents by Inventor Bin Sang
Bin Sang has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20140056412Abstract: Disclosed is an integrated flying-spot X-ray apparatus comprising a ray generator configured to generate the X-ray, a revolving collimator device provided thereon with at least one aperture and arranged to be rotatable about the ray generator, a frameless torque motor configured to drive the revolving collimator device to rotate about the ray generator, and a cooling device configured to cool the ray generator, wherein the ray generator, the revolving collimator device, the frameless torque motor and the cooling device are mounted on an integrated mounting frame. Compared with the prior art, the integrated flying-spot X-ray apparatus according to the present disclosure has a simple and compact structure and is used as a kernel apparatus for fields of safety inspection and medical treatment.Type: ApplicationFiled: August 21, 2013Publication date: February 27, 2014Inventors: Zhiqiang Chen, Ziran Zhao, Wanlong Wu, Xilei Luo, Guangwei Ding, Yingkang Jin, Le Tang, Fuhua Ding, Bin Sang, Shuo Cao, Zhimin Zheng
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Patent number: 8513615Abstract: The present invention discloses a millimeter-wave inspection apparatus. The millimeter-wave inspection apparatus comprises: optics devices, configured to receive millimeter-wave energy radiated from an object to be inspected and focus the received millimeter-wave energy; a radiometer receiving device configured to receive the focused millimeter-wave energy and transform the millimeter-wave energy into electrical signal; and an imaging device configured to generate a temperature image of the object to be inspected based on the electrical signal. Compared with the prior art, the millimeter-wave inspection apparatus of the present invention has a simple and compact structure; it would not be harmful to the human health by employing the passive millimeter-wave human body security inspection technology. With the above configuration, the contraband items to be concealed within the human clothing can be efficiently and effectively detected.Type: GrantFiled: December 29, 2010Date of Patent: August 20, 2013Assignees: Tsinghua University, Nuctech Company LimitedInventors: Zhiqiang Chen, Ziran Zhao, Yuanjing Li, Wanlong Wu, Yinong Liu, Li Zhang, Dong Lin, Zongjun Shen, Xilei Luo, Zhimin Zheng, Yingkang Jin, Shuo Cao, Bin Sang
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Publication number: 20120085909Abstract: The present invention discloses a millimeter-wave inspection apparatus. The millimeter-wave inspection apparatus comprises: optics devices, configured to receive millimeter-wave energy radiated from an object to be inspected and focus the received millimeter-wave energy; a radiometer receiving device configured to receive the focused millimeter-wave energy and transform the millimeter-wave energy into electrical signal; and an imaging device configured to generate a temperature image of the object to be inspected based on the electrical signal. Compared with the prior art, the millimeter-wave inspection apparatus of the present invention has a simple and compact structure; it would not be harmful to the human health by employing the passive millimeter-wave human body security inspection technology. With the above configuration, the contraband items to be concealed within the human clothing can be efficiently and effectively detected.Type: ApplicationFiled: December 29, 2010Publication date: April 12, 2012Applicants: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Ziran Zhao, Yuanjing Li, Wanlong Wu, Yinong Liu, Li Zhang, Dong Lin, Zongjun Shen, Xilei Luo, Zhimin Zheng, Yingkang Jin, Shu Cao, Bin Sang
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Patent number: 8066102Abstract: A lifting apparatus includes a vertical guide device, a turntable device which is movable along the vertical guide device upwards or downwards, and a first driving device which drives the turntable device moving in an upward and downward direction guided by the vertical guide device. The turntable device includes a bracket which is slidably engaged with the vertical guide device and projects perpendicularly toward a side of the vertical guide device, a turntable which is rotatably provided on the bracket, and a second driving device which rotates the turntable on the bracket.Type: GrantFiled: September 22, 2006Date of Patent: November 29, 2011Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Xilei Luo, Kejun Kang, Yinong Liu, Yuanjing Li, Zhiqiang Chen, Wanlong Wu, Yulan Li, Li Zhang, Ziran Zhao, Bin Sang, Hailin Wang
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Patent number: 7991112Abstract: The present invention discloses a detecting method of an article detection apparatus composed of an individual DR subsystem and an individual CT subsystem, the method comprising: obtaining a first projection data on ray attenuation coefficient by using the DR subsystem to project an A-layer of an article at a first projection angle, and obtaining a second projection data on ray attenuation coefficient by using the CT subsystem to project an A-layer of the article at a second projection angle different from the first projection angle; and judging whether an A-layer of the detected article contains a dangerous article based on the first projection data and the second projection data so as to obtain a first judgment on an A-layer of the detected article.Type: GrantFiled: December 23, 2008Date of Patent: August 2, 2011Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Yuanjing Li, Yulan Li, Li Zhang, Wanlong Wu, Hua Peng, Yinong Liu, Zirao Zhao, Xuewu Wang, Shangmin Sun, Bin Sang, Hailin Wang, Quanwei Song, Jinyu Zhang
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Patent number: 7942576Abstract: The present invention relates to an adjusting positioner for a radiation device, comprising: a clamping device detachably connected to the radiation device to clamp said radiation device; a supporter to which said clamping device is connected and a slide path is defined therebetween, wherein the clamping device clamping said radiation device is movable along said slide path in a predetermined direction; and an adjusting device coupled with said clamping device so as to drive said clamping device to move along said slide path. Since the present invention employs above technical solution, it is easy to adjust the position of the radiation device for example, X-ray device, so that the precisely positioning for the radiation device is achieved and a satisfying positioning accuracy is able to obtain.Type: GrantFiled: June 1, 2009Date of Patent: May 17, 2011Assignees: Tsinghua University, Nuctech Company LimitedInventors: Ziran Zhao, Yuanjing Li, Wanlong Wu, Yulan Li, Xilei Luo, Bin Sang, Zhimin Zheng, Shuo Cao, Hailin Wang
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Patent number: 7855352Abstract: A radiation inspection system includes a shielding door device for a radiation inspection system, comprising a door body, two guides located on two opposite sides of the door body, a rack, a gear and a motor. The two guides are fixed on an upper surface of a frame and the door body is movably connected to the two guides via bearings. The rack is fixed on a bottom of the door body and meshed with the gear. The gear is coupled with a shaft of the motor fixed on a lower surface of the frame. This configuration is advantageous in automatic and complete shielding of the radiation inspection system without interference. In addition the shielding door can be controlled intelligently, so that accidental radiation leakage can be prevented.Type: GrantFiled: September 19, 2006Date of Patent: December 21, 2010Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Haifeng Hu, Wanlong Wu, Yulan Li, Xilei Luo, Li Zhang, Ziran Zhao, Bin Sang, Hailin Wang
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Patent number: 7852981Abstract: Disclosed is a detector device, comprising: an adjustable positioning base and a detector module. The adjustable positioning base includes: a horizontal plate being able to fixedly connect onto an annular rotation table or disk; and a vertical plate extending from the horizontal plate and generally perpendicular to the horizontal plate. A horizontal through long groove is provided at one side of the vertical plate, and the detector module is able to fixedly installed in said horizontal through long groove of the adjustable positioning base. By employing the technical solution defined in the present invention, the detector device has a compact structure, and precision adjustment and positioning for the detector device can be achieved. In addition, the present invention also provides a CT inspection system having the above detector device.Type: GrantFiled: December 23, 2008Date of Patent: December 14, 2010Assignees: Tsinghua University, Nuctech Company LimitedInventors: Xilei Luo, Zhiqiang Chen, Yuanjing Li, Yulan Li, Yinong Liu, Li Zhang, Ziran Zhao, Wanlong Wu, Shuqing Zhao, Bin Sang, Hailin Wang, Shuo Cao, Dong Lin, Zhimin Zheng
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Publication number: 20090310751Abstract: The present invention relates to an adjusting positioner for a radiation device, comprising: a clamping device detachably connected to the radiation device to clamp said radiation device; a supporter to which said clamping device is connected and a slide path is defined therebetween, wherein the clamping device clamping said radiation device is movable along said slide path in a predetermined direction; and an adjusting device coupled with said clamping device so as to drive said clamping device to move along said slide path. Since the present invention employs above technical solution, it is easy to adjust the position of the radiation device for example, X-ray device, so that the precisely positioning for the radiation device is achieved and a satisfying positioning accuracy is able to obtain.Type: ApplicationFiled: June 1, 2009Publication date: December 17, 2009Inventors: Ziran Zhao, Yuanjing Li, Wanlong Wu, Yulan Li, Xilei Luo, Bin Sang, Zhimin Zheng, Shuo Cao, Hailin Wang
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Patent number: 7634055Abstract: Disclosed is a method and a device for security-inspection of liquid articles with radiations, which relate to the field of radiation inspection technology. The method comprises steps of acquiring original environment information, emitting radiation beams to transmit the liquid articles, receiving the radiation beams transmitted through the liquid articles to form multi-angle projection data, computing a radiation absorption coefficient of the liquid articles to be detected by inverse operation of the multi-angle projection data, based on the initial environmental information and the uniformity of the liquid articles, and comparing the radiation absorption coefficients with the preset data to get the relevant information of the liquid articles. Comparing with the prior art, the present invention is not subjected to affection of cuter package of the liquid article, and is advantageous of high anti-jamming high accuracy, high safety and reliability, low cost and small size.Type: GrantFiled: December 5, 2006Date of Patent: December 15, 2009Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Haifeng Hu, Yuanjing Li, Kejun Kang, Zhiqiang Chen, Yinong Liu, Yulan Li, Li Zhang, Wanlong Wu, Ziran Zhao, Xilei Luo, Bin Sang
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Publication number: 20090168948Abstract: Disclosed is a detector device, comprising: an adjustable positioning base and a detector module. The adjustable positioning base includes: a horizontal plate being able to fixedly connect onto an annular rotation table or disk; and a vertical plate extending from the horizontal plate and generally perpendicular to the horizontal plate. A horizontal through long groove is provided at one side of the vertical plate, and the detector module is able to fixedly installed in said horizontal through long groove of the adjustable positioning base. By employing the technical solution defined in the present invention, the detector device has a compact structure, and precision adjustment and positioning for the detector device can be achieved. In addition, the present invention also provides a CT inspection system having the above detector device.Type: ApplicationFiled: December 23, 2008Publication date: July 2, 2009Inventors: Xilei Luo, Zhiqiang Chen, Yuanjing Li, Yulan Li, Yinong Liu, Li Zhang, Ziran Zhao, Wanlong Wu, Shuqing Zhao, Bin Sang, Hailin Wang, Shuo Cao, Dong Lin, Zhimin Zheng
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Publication number: 20090168959Abstract: The present invention discloses a detecting method of the article detection apparatus composed of an individual DR subsystem and an individual CT subsystem, the method comprising: obtaining a first projection data on ray attenuation coefficient by using the DR subsystem to project the A-layer of an article at a first projection angle, and obtaining a second projection data on ray attenuation coefficient by using the CT subsystem to project the A-layer of the article at a second projection angle different from the first projection angle; and judging whether the A-layer of the detected article exists a dangerous article based on the first projection data and the second projection data so as to obtain a first judgment on the A-layer of the detected article.Type: ApplicationFiled: December 23, 2008Publication date: July 2, 2009Inventors: Zhiqiang Chen, Yuanjing Li, Yulan Li, Li Zhang, Wanlong Wu, Hua Peng, Yinong Liu, Zirao Zhao, Xuewu Wang, Shangmin Sun, Bin Sang, Hailin Wang, Quanwei Song, Jinyu Zhang
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Patent number: 7508918Abstract: A collimator for adjusting an X-ray beam includes: an up-and-down adjustment mechanism; a left-and-right adjustment mechanism, a supporting member; and an adjusting plate connected with the supporting member. The up-and-down adjustment mechanism comprises first rotating nuts, up-and-down moving leading screws threadedly connected with the first rotating nuts, and upper and lower sliding stops located in the supporting member. Each of the leading screws is connected with the upper and lower sliding stops to drive the upper and lower sliding stops, respectively, to vertically move. The left-and-right adjustment mechanism comprises second rotating nuts, horizontally moving leading screws connected with second rotating nuts, and left and right sliding stops located in the supporting member. Each of the horizontally moving leading screws are connected with the left and right sliding stops to drive the left and right sliding stops, respectively, to horizontally move.Type: GrantFiled: September 22, 2006Date of Patent: March 24, 2009Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Yinong Liu, Zhiqiang Chen, Yuanjing Li, Wanlong Wu, Yulan Li, Xilei Luo, Li Zhang, Ziran Zhao, Bin Sang, Hailin Wang
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Patent number: 7508908Abstract: A CT method and an apparatus for liquid safety-detection with a radiation source relate to a radiation imaging detecting technology field. The invention comprises using a radiation source, a detector and data collector, a computer data processor; and the main steps are: 1) a liquid article to be detected being placed onto a rotary platform which is rotatable; 2) the ray emitted from the radiation source passing through the liquid article, and being received and formed into projection data by the detector and data collector; and 3) the projection data being transmitted to the computer data processor, which processes it to obtain the liquid density of the detected article, compares the result with the densities of dangerous articles in a current database, and then visually displays the detected information of the detected liquid article.Type: GrantFiled: November 23, 2005Date of Patent: March 24, 2009Assignees: Tsinghua University, Nuntech Company LimitedInventors: Haifeng Hu, Yuanjing Li, Kejun Kang, Zhiqiang Chen, Yinong Liu, Yulan Li, Li Zhang, Wanlong Wu, Ziran Zhao, Xilei Luo, Bin Sang
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Publication number: 20080232541Abstract: A check process may be performed without rotation of a radiation source or detector. A CT scan security check device may include a radiation source and a detector forming a radiation detection area, a conveyer mechanism conveying an article along a path, and a multidimensional movement mechanism causing a relative displacement between the article and the radiation detection area in a vertical direction and causing the article to rotate about a vertical axis. A CT scan security check method may include: 1) displacing the article relative to the radiation detection area in the vertical direction; 2) rotating the article; 3) during the checked article passing through the radiation detection area, obtaining data regarding a radiation ray that passes through the article; and 4) transmitting the data for a CT arithmetic reconstruction.Type: ApplicationFiled: March 20, 2008Publication date: September 25, 2008Inventors: Kejun Kang, Zhiqiang Chen, Yuanjing Li, Yulan Li, Li Zhang, Yinong Liu, Ziran Zhao, Wanlong Wu, Hailin Wang, Xilei Luo, Bin Sang, Shuo Cao
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Patent number: 7386093Abstract: A method and an apparatus for liquid safety-detection with a radiation source relate to a radiation detecting technology.Type: GrantFiled: November 23, 2005Date of Patent: June 10, 2008Assignees: Tsinghua University, Nuctech Company LimitedInventors: Wanlong Wu, Haifeng Hu, Yuanjing Li, Zhiqiang Chen, Kejun Kang, Yulan Li, Li Zhang, Yinong Liu, Xuewu Wang, Bin Sang, Hailin Wang
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Publication number: 20080056443Abstract: Disclosed is a method and a device for security-inspection of liquid articles with radiations, which relate to the field of radiation inspection technology. The method comprises steps of acquiring original environment information, emitting radiation beams to transmit the liquid articles, receiving the radiation beams transmitted through the liquid articles to form multi-angle projection data, computing a radiation absorption coefficient of the liquid articles to be detected by inverse operation of the multi-angle projection data, based on the initial environmental information and the uniformity of the liquid articles, and comparing the radiation absorption coefficients with the preset data to get the relevant information of the liquid articles. Comparing with the prior art, the present invention is not subjected to affection of cuter package of the liquid article, and is advantageous of high anti-jamming high accuracy, high safety and reliability, low cost and small size.Type: ApplicationFiled: December 5, 2006Publication date: March 6, 2008Inventors: Haifeng Hu, Yuanjing Li, Kejun Kang, Zhiqiang Chen, Yinong Liu, Yulan Li, Li Zhang, Wanlong Wu, Ziran Zhao, Xilei Luo, Bin Sang
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Patent number: 7330534Abstract: The present invention discloses a ray beam guiding apparatus, comprising a ray beam guiding box having substantially fan-shaped top and bottom surfaces, defining an inner space, and having open wide and narrow ends; an engaging member joined to the narrow end of the box; a first collimator mounted to the box adjacent to the narrow end for adjusting size/shape of the ray beam in horizontal vertical direction; a second collimator having a calibration slit or grill and mounted to the box adjacent to the wide end; and an adjusting member connecting the engaging member and a ray generator to adjust a distance therebetween. The box can adjust size/shape and centering of the ray beam, so that inspection quality can be improved and thickness of the ray shielding layer can be reduced, the box is applicable to a ray inspection system which performs security inspection of liquid articles.Type: GrantFiled: September 19, 2006Date of Patent: February 12, 2008Assignees: Nuctech Company Limited, Tsinghua UniversityInventors: Yulan Li, Yuanjing Li, Zhiqiang Chen, Yinong Liu, Qitian Miao, Wanlong Wu, Ziran Zhao, Xilei Luo, Li Zhang, Bin Sang, Hailin Wang
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Publication number: 20070075073Abstract: The present invention relates to a radiation inspection system discloses a shielding door device for a radiation inspection system, comprising a door body, two guides located on two opposite sides of the door body, a rack, a gear and a motor. The two guides are fixed on an upper surface of a frame and the door body is movably connected to the two guides via bearings. The rack is fixed on a bottom of the door body and meshed with the gear. The gear is coupled with a shaft of the motor fixed on a lower surface of the frame. With the above configuration, the present invention is advantageous in automatic and complete shielding of the radiation inspection system without interference. In addition the shielding door can be controlled intelligently, so that accidental radiation leakage can be prevented.Type: ApplicationFiled: September 19, 2006Publication date: April 5, 2007Inventors: Zhiqiang Chen, Yuanjing Li, Yinong Liu, Haifeng Hu, Wanlong Wu, Yulan Li, Xilei Luo, Li Zhang, Ziran Zhao, Bin Sang, Hailin Wang
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Publication number: 20070064877Abstract: Disclosed is a collimator for adjusting X-ray beam, comprising: an up-and-down adjustment mechanism (11); a left-and-right adjustment mechanism (21); a supporting member (15); and an adjusting plate (17) connected with the supporting member (15), wherein: said up-and-down adjustment mechanism (11) comprises a first rotating nut (13), an up-and-down moving leading screw (12) threadedly connected with said first rotating nut (13), and upper and lower sliding stops (18) located in said supporting member (15), wherein ends of said leading screw (12) are connected with said upper and lower sliding stops (18) to drive said upper and lower sliding stops (18), respectively, to vertically move; and said left-and-right adjustment mechanism (21) comprises a second rotating nut (23), a horizontally moving leading screw (22) connected with said second rotating nut (23), and left and right sliding stops (25) located in said supporting member (15), wherein inner ends of said horizontally moving leading screw (22) are connecType: ApplicationFiled: September 22, 2006Publication date: March 22, 2007Applicants: Nuctech Company Limited, Tsinghua UniversityInventors: Yinong Liu, Zhiqiang Chen, Yuanjing Li, Wanlong Wu, Yulan Li, Xilei Luo, Li Zhang, Ziran Zhao, Bin Sang, Hailin Wang