Patents by Inventor Chunmei Tang

Chunmei Tang 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).

  • System and method for detecting unpaid items in retail store transactions
    Patent number: 11966900
    Abstract: A transaction record is created showing a purchase transaction of a customer. A CV profile showing a list of items in the transaction obtained from images is also obtained. The items in the transaction record are compared to items on the list. When there is a discrepancy, an action to take is determined.
    Type: Grant
    Filed: July 16, 2020
    Date of Patent: April 23, 2024
    Assignee: Walmart Apollo, LLC
    Inventors: Zhichun Xiao, Lingfeng Zhang, Jon Hammer, Joseph Duffy, Yao Liu, Sicong Fang, Xiang Yao, Pingyuan Wang, Yu Tao, Tianyi Mao, Yutao Tang, Feiyun Zhu, Han Zhang, Chunmei Wang, Pingjian Yu, Muzzammil Afroz, Haining Liu
  • Method for transitioning of state machines after radio access network is reselected and terminal
    Patent number: 8514812
    Abstract: A method for transitioning of a state machine after a radio access network (RAN) is reselected includes: generating first information when a mobile terminal reselects from an HRPD network to an LTE network; after receiving the first information, setting, by a Signaling Adaptation Protocol (SAP) of the HRPD module air interface protocol, the TunnelModeEnabled parameter to a first identifier, so that air interface related sub-protocols of an HRPD module know that the mobile terminal has reselected to the LTE network.
    Type: Grant
    Filed: September 16, 2010
    Date of Patent: August 20, 2013
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Chunmei Tang, Mingxia Xu
  • METHOD FOR TRANSITIONING OF STATE MACHINES AFTER RADIO ACCESS NETWORK IS RESELECTED AND TERMINAL
    Publication number: 20110069675
    Abstract: A method for transitioning of a state machine after a radio access network (RAN) is reselected includes: generating first information when a mobile terminal reselects from an HRPD network to an LTE network; after receiving the first information, setting, by a Signaling Adaptation Protocol (SAP) of the HRPD module air interface protocol, the TunnelModeEnabled parameter to a first identifier, so that air interface related sub-protocols of an HRPD module know that the mobile terminal has reselected to the LTE network.
    Type: Application
    Filed: September 16, 2010
    Publication date: March 24, 2011
    Inventors: Chunmei Tang, Mingxia Xu