US Patent 7221639 Pickup device

Patent 7221639 was granted and assigned to Pioneer Corporation on May, 2007 by the United States Patent and Trademark Office.

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Is a

Patent

Patent attributes

Current Assignee

Pioneer Corporation

Patent Jurisdiction

United States Patent and Trademark Office

Patent Number

7221639

Date of Patent

May 22, 2007

Patent Application Number

10615415

Date Filed

July 9, 2003

Patent Primary Examiner

‌

Thang V. Tran

Patent abstract

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.