Patents Assigned to Singular Technology Corp.
  • Safety transaction method
    Patent number: 6334575
    Abstract: A safety transaction method through a PDFA (portable data & financing assistance) main unit formed of a PDA, a card reader, a fingerprint module, and a wireless communication module. The transaction method includes the steps of the steps of: (a) calling a bill built in a PDA (personal digital assistant) in a PDFA (portable data & financing assistance) main unit, (b) inputting the amount consumed.
    Type: Grant
    Filed: November 1, 2000
    Date of Patent: January 1, 2002
    Assignee: Singular Technology Corp.
    Inventor: Liang Su-Hui