US Patent 7221639 Pickup device

An example pickup device is provided with: an arm; a gimbal holding device disposed on one end portion of the arm; a gimbal held by the gimbal holding device with a probe set in its center portion; and a motor of rotational type for rotating the arm around a rotating shaft. The probe, which is disposed on one end of the arm, is rotated in the radial direction of a dielectric recording medium by the rotation of the motor, causing accurate and quick tracking control and track access control.