Patents Assigned to Fujtisu Component Limited
  • Ultrasonic coordinate input apparatus and method
    Patent number: 7760194
    Abstract: An ultrasonic coordinate input apparatus includes: a transmitter that transmits ultrasonic wave; and a receiver that has a function of detecting a position indicated by the transmitter, based on an ultrasonic signal received from the transmitter, while synchronizing with the transmitter. In this ultrasonic coordinate input apparatus, the transmitter is connected to the receiver with a communication line that enables bi-directional communication between the transmitter and the receiver.
    Type: Grant
    Filed: May 24, 2004
    Date of Patent: July 20, 2010
    Assignee: Fujtisu Component Limited
    Inventor: Satoshi Sakurai