Patents Assigned to Kumamoto Technology Incorporated
  • Feeder
    Patent number: 6982535
    Abstract: In a feed drive apparatus wherein a moving element 27 is driven by drive legs 21, 22 having extension/contraction deforming parts 23 and shear deforming parts 24, sine wave drive voltages are respectively applied to the extension/contraction deforming parts 23 and shear deforming parts 24 of the drive legs 21, 22 in order to permit high speed operation, and make the average voltage effectively zero.
    Type: Grant
    Filed: June 28, 2002
    Date of Patent: January 3, 2006
    Assignees: Japan Science & Technology Agency, Kumamoto Technology Incorporated
    Inventor: Kouji Kosaka