Patents by Inventor XING-SHAO XU

XING-SHAO XU 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: 10887288
    Abstract: An embodiment of the disclosure provides a voice communication method, a calling terminal, a called terminal and a system, the voice communication method includes: establishing, by a calling terminal, a data communication connection between a called terminal and the calling terminal; obtaining a calling terminal international mobile subscriber identity (IMSI), a called terminal IMSI, a first random number for encryption and decryption, and generating a first encryption key; encrypting voice signals according to the first encryption key by using a preset encryption algorithm and obtaining first encrypted voice signals; sending the first encrypted voice signals to the called terminal. The first encryption key is generated according to the calling terminal IMSI, the called terminal IMSI, and the voice signals are encrypted by using the preset encryption algorithm, thus an encryption process is highly targeted and highly confidential, and security of voice services is improved.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: January 5, 2021
    Assignee: YULONG COMPUTER TELECOMMUNICATION SCIENTIFIC (SHENZHEN) CO., LTD.
    Inventors: Xing-Shao Xu, De-Ying Guo
  • Publication number: 20190116162
    Abstract: An embodiment of the disclosure provides a voice communication method, a calling terminal, a called terminal and a system, the voice communication method includes: establishing, by a calling terminal, a data communication connection between a called terminal and the calling terminal; obtaining a calling terminal international mobile subscriber identity (IMSI), a called terminal IMSI, a first random number for encryption and decryption, and generating a first encryption key; encrypting voice signals according to the first encryption key by using a preset encryption algorithm and obtaining first encrypted voice signals; sending the first encrypted voice signals to the called terminal. The first encryption key is generated according to the calling terminal IMSI, the called terminal IMSI, and the voice signals are encrypted by using the preset encryption algorithm, thus an encryption process is highly targeted and highly confidential, and security of voice services is improved.
    Type: Application
    Filed: November 30, 2016
    Publication date: April 18, 2019
    Inventors: XING-SHAO XU, DE-YING GUO