Patents by Inventor Jian liang Zheng

Jian liang Zheng 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).

  • Zigbee network device for assigning addresses to child nodes after constructing cluster-tree structure, address assigning method and routing method
    Patent number: 7889674
    Abstract: An address assigning method in a ZigBee network environment formed of a plurality of devices (or nodes), includes: linking the plurality of nodes in a cluster-tree structure; requesting desirable address blocks from a lowest level to a second highest level of the tree ancestor nodes desirable address blocks, respectively; and assigning the desired address blocks to descendents using a top-down procedure.
    Type: Grant
    Filed: August 8, 2005
    Date of Patent: February 15, 2011
    Assignees: Samsung Electronics Co., Ltd., City University of New York
    Inventors: Jong-hun Park, Jian liang Zheng, Myung-jong Lee