Patents Assigned to Xia Dai
  • Secured point-of-sale transaction system
    Patent number: 9129269
    Abstract: The present invention relates to a secured transaction system. In one embodiment, a point-of-sale (POS) system includes an input module configured to receive a transaction description from a mobile client device, an encryption engine configured to generate an encrypted transaction description using the transaction description from the mobile client device, and a communication module configured to transmit the encrypted transaction description for processing.
    Type: Grant
    Filed: January 31, 2011
    Date of Patent: September 8, 2015
    Assignee: Xia Dai
    Inventor: Xia Dai