Patents by Inventor Longsong Ran

Longsong Ran 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).

  • Patent number: 9864091
    Abstract: The present invention discloses a CT security inspection system for baggage. The CT security inspection system comprises a scanning passage through which a baggage enters and exits the CT security inspection system for baggage, an X-ray source provided at one side of the scanning passage, and, a gantry provided at an opposite side of the scanning passage, and on which a plurality of detector units are mounted. In each of the detector units, a vertex point of at least one detector unit is positioned in a detector unit distribution circle with its center at a center of the scanning passage, and the detector units are arranged successively. All the detector crystal receiving faces of the plurality of detector units are within a scope of radiating ray beams with their center at the target of the X-ray source.
    Type: Grant
    Filed: July 15, 2013
    Date of Patent: January 9, 2018
    Assignee: NUCTECH COMPANY LIMITED
    Inventors: Zhiqiang Chen, Yuanjing Li, Li Zhang, Jinyu Zhang, Zhanjun Duan, Longsong Ran, Qingping Huang
  • Publication number: 20140314200
    Abstract: The present invention discloses a CT security inspection system for baggage. The CT security inspection system comprises a scanning passage through which a baggage enters and exits the CT security inspection system for baggage, a X-ray source provided at one side of the scanning passage, and, a gantry provided at an opposite side of the scanning passage, and on which a plurality of detector units are mounted. In each of the detector units, a vertex point of at least one detector unit is positioned in a circular arc with its center at a center of the scanning passage, and the detector units are arranged successively. All the detector crystal receiving faces of the plurality of detector units are within a scope of radiating ray beams with its center at a target of the X-ray source. In each of the detector units, a connection line between a midpoint of at least one of the detector crystal receiving faces and the target of the X-ray source is normal to the corresponding detector crystal receiving face.
    Type: Application
    Filed: July 15, 2013
    Publication date: October 23, 2014
    Inventors: Zhiqiang Chen, Yuanjing Li, Li Zhang, Jinyu Zhang, Zhanjun Duan, Longsong Ran, Qingping Huang
  • Patent number: 7838857
    Abstract: The present invention discloses an inspection container, comprising: a bottom and a sidewall, said bottom is coupled to one side of said sidewall to form a space, wherein, there are a plurality of protrudes set on the lower surface of said bottom. The inspection container further comprises a division part, which divides said space into a plurality of subspaces. With the solutions according to the present invention, it is possible to meet the requirement for inspecting a plurality of bottles at one time.
    Type: Grant
    Filed: September 2, 2008
    Date of Patent: November 23, 2010
    Assignees: Tsinghua University, Nuctech Company Limited
    Inventors: Zhiqiang Chen, Yuanjing Li, Li Zhang, Xuewu Wang, Yumin Yi, Longsong Ran, Hongxin Wu, Lian Wang, Quanwei Song, Hu Tang
  • Publication number: 20090065707
    Abstract: The present invention discloses an inspection container, comprising: a bottom and a sidewall, said bottom is coupled to one side of said sidewall to form a space, wherein, there are a plurality of protrudes set on the lower surface of said bottom. The inspection container further comprises a division part, which divides said space into a plurality of subspaces. With the solutions according to the present invention, it is possible to meet the requirement for inspecting a plurality of bottles at one time.
    Type: Application
    Filed: September 2, 2008
    Publication date: March 12, 2009
    Inventors: Zhiqiang Chen, Yuanjing Li, Li Zhang, Xuewu Wang, Yumin Yi, Longsong Ran, Hongxin Wu, Lian Wang, Quanwei Song, Hu Tang