Patents by Inventor Xianxiang Chen

Xianxiang Chen 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: 10514406
    Abstract: A high resistivity material-based packaging element for an electric field sensor comprises: a substrate; a first packaging frame fixed to the substrate; and a first packaging cover fixed to the packaging frame; wherein at least one electric field sensor chip is located in an inner cavity formed by the substrate, the first packaging frame, and the first packaging cover, and at least one of the substrate, the first packaging frame, and the first packaging cover is of a high resistivity material having an electrical resistivity equal to or greater than 108?·cm. The present invention can ensure accurate measurement of the electric field, and provide an approach to solve the problem of environmental adaptability, thereby enhancing the stability and reliability of electric field detection.
    Type: Grant
    Filed: August 5, 2014
    Date of Patent: December 24, 2019
    Assignee: Institute of Electronics, Chinese Academy of Sciences
    Inventors: Shanhong Xia, Xiaolong Wen, Xianxiang Chen, Chunrong Peng, Pengfei Yang
  • Patent number: 9522708
    Abstract: The present application discloses a track support that includes a variable track frame comprising that includes four or more connector members, hinge joints that connect the connector members and configured to form a polygonal shape having sides each associated with one of the connector members, and a track varying mechanism that can actively change an angle between at least two of the connector members so as to change the polygonal shape of the variable track frame. Track engaging wheels mounted on the connector members can rotate around an axis that intercepts with or is adjacent to the hinge joints. The track engaging wheels can engage with a track belt wrapped around the track engaging wheels.
    Type: Grant
    Filed: August 3, 2012
    Date of Patent: December 20, 2016
    Inventors: Zhengxu He, Xinlu Tang, Xianxiang Chen
  • Publication number: 20160091546
    Abstract: A high resistivity material-based packaging element for an electric field sensor comprises: a substrate; a first packaging frame fixed to the substrate; and a first packaging cover fixed to the packaging frame; wherein at least one electric field sensor chip is located in an inner cavity formed by the substrate, the first packaging frame, and the first packaging cover, and at least one of the substrate, the first packaging frame, and the first packaging cover is of a high resistivity material having an electrical resistivity equal to or greater than 108?·cm. The present invention can ensure accurate measurement of the electric field, and provide an approach to solve the problem of environmental adaptability, thereby enhancing the stability and reliability of electric field detection.
    Type: Application
    Filed: August 5, 2014
    Publication date: March 31, 2016
    Inventors: Shanhong XIA, Xiaolong WEN, Xianxiang CHEN, Chunrong PENG, Pengfei YANG, Dongming FANG
  • Publication number: 20140035355
    Abstract: The present application discloses a track support that includes a variable track frame comprising that includes four or more connector members, hinge joints that connect the connector members and configured to form a polygonal shape having sides each associated with one of the connector members, and a track varying mechanism that can actively change an angle between at least two of the connector members so as to change the polygonal shape of the variable track frame. Track engaging wheels mounted on the connector members can rotate around an axis that intercepts with or is adjacent to the hinge joints. The track engaging wheels can engage with a track belt wrapped around the track engaging wheels.
    Type: Application
    Filed: August 3, 2012
    Publication date: February 6, 2014
    Inventors: Zhengxu He, Xinlu Tang, Xianxiang Chen
  • Patent number: 8339131
    Abstract: An electric field sensor comprising: a substrate having a hole; a shielding electrode and a sensing electrode, disposed in the hole of the substrate; a piezoelectric bar having one end connected to the center of the shielding electrode, the other end fixed on the substrate. Present invention provides several electric field sensors, which have the same feature of utilizing electrodes interleaving vibration to modulate external electric field. They have IC-compatible operation voltage and small volume.
    Type: Grant
    Filed: July 13, 2009
    Date of Patent: December 25, 2012
    Assignee: Institute of Electronics, Chinese Academy of Sciences
    Inventors: Shanhong Xia, Chao Ye, Chao Gong, Xianxiang Chen, Qiang Bai, Shaofeng Chen
  • Publication number: 20090273337
    Abstract: An electric field sensor comprising: a substrate having a hole; a shielding electrode and a sensing electrode, disposed in the hole of the substrate; a piezoelectric bar having one end connected to the center of the shielding electrode, the other end fixed on the substrate. Present invention provides several electric field sensors, which have the same feature of utilizing electrodes interleaving vibration to modulate external electric field. They have IC-compatible operation voltage and small volume.
    Type: Application
    Filed: July 13, 2009
    Publication date: November 5, 2009
    Inventors: Shanhong XIA, Chao YE, Chao GONG, Xianxiang CHEN, Qiang BAI, Shaofeng CHEN
  • Publication number: 20090136317
    Abstract: The present invention relates to an anti-loosening set screw for a carburetor, comprising a cylindrical body, a front end of the body is disposed with an adjusting section, a rear end of the body is disposed with a head with a slot, the body has a cylindrical face which is disposed with an exterior screw thread section, wherein the cylindrical face of the body is further disposed with a recessed ring groove, the ring groove is disposed with a ring-shaped elastic plastic body which is integrally formed therewith by injection molding. In comparison with the prior art, the present invention has the advantages of simple construction, close cooperation, good anti-loosening and tight sealing effects and so forth.
    Type: Application
    Filed: October 9, 2008
    Publication date: May 28, 2009
    Applicant: FUJIAN HUALONG CARBURETOR CO., LTD.
    Inventor: XIANXIANG CHEN
  • Publication number: 20060279271
    Abstract: An electric field sensor comprising: a substrate having a hole; a shielding electrode and a sensing electrode, disposed in the hole of the substrate; a piezoelectric bar having one end connected to the center of the shielding electrode, the other end fixed on the substrate. Present invention provides several electric field sensors, which have the same feature of utilizing electrodes interleaving vibration to modulate external electric field. They have IC-compatible operation voltage and small volume.
    Type: Application
    Filed: June 5, 2006
    Publication date: December 14, 2006
    Inventors: Shanhong Xia, Chao Ye, Chao Gong, Xianxiang Chen, Qiang Bai, Shaofeng Chen