Patents by Inventor Chaowei CAI

Chaowei CAI 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: 9813538
    Abstract: Embodiments of the present disclosure disclose a malicious call recognition method and apparatus, and belong to the field of mobile communication. The method includes: obtaining call detail record information of the call when a local end makes a call to a peer end, the call detail record information of the call including a call record of the local end within first preset duration that is closest to current time, and/or a call record of the peer end within the first preset duration that is closest to the current time; matching the call detail record information of the call with a malicious model corresponding to a malicious call event included in a preset malicious model library; and determining the call to be a malicious call if the malicious model that matches with the call detail record information of the call is found.
    Type: Grant
    Filed: January 18, 2017
    Date of Patent: November 7, 2017
    Assignee: TENCENT TECHNOLOGY (SHENZHEN) COMPANY LIMITED
    Inventors: Chaowei Cai, Hua Zhang, Bo Wang
  • Publication number: 20170126874
    Abstract: Embodiments of the present disclosure disclose a malicious call recognition method and apparatus, and belong to the field of mobile communication. The method includes: obtaining call detail record information of the call when a local end makes a call to a peer end, the call detail record information of the call including a call record of the local end within first preset duration that is closest to current time, and/or a call record of the peer end within the first preset duration that is closest to the current time; matching the call detail record information of the call with a malicious model corresponding to a malicious call event included in a preset malicious model library; and determining the call to be a malicious call if the malicious model that matches with the call detail record information of the call is found.
    Type: Application
    Filed: January 18, 2017
    Publication date: May 4, 2017
    Inventors: Chaowei CAI, Hua ZHANG, Bo WANG