An optical disk apparatus includes a spindle motor for rotating a mounted optical disk, and a swing-motion type optical head apparatus. The swing-motion type optical head apparatus scans the optical disk in a radial direction of the optical disk by moving the objective lens. The head apparatus is made...http://www.google.com/patents/US6052357?utm_source=gb-gplus-sharePatent US6052357 - Compact optical disk apparatus having a swing-motion optical head
