Patents Assigned to Adivan High Tech AG
  • Calling card
    Patent number: 6016298
    Abstract: A calling card which can be inserted into a conventional CD drive and read. The calling card is centered in a CD drive. Thus, the calling card becomes a calling card CD with a printed upper side, which can be visually detected by an eye, and an underside on which data can be recorded and read by a computer.
    Type: Grant
    Filed: March 27, 1998
    Date of Patent: January 18, 2000
    Assignee: Adivan High Tech AG
    Inventor: Gerhard Fischer