The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 28, 2009
Filed:
Mar. 06, 2006
Sojiro Kirihara, Kawasaki, JP;
Seiji Hamaie, Kuala Lumpur, MY;
Hideyuki Onuma, Kuala Lumpur, MY;
Hitachi-LG Data Storage, Inc., Tokyo, JP;
Abstract
An optical disk apparatus, enabling to reduce noises, the wind sounds generated due to rotation of a disk, with certainty, irrespective of an increase in rotation speed of the disk, comprises a disk motorfor rotating the optical diskloaded into an inside thereof, an optical pickupfor recording or reproducing information from or onto the optical disk rotated, and a trayfor loading the optical disk therein, wherein the tray has a flat surface, being nearly circular in the shape, on which the optical disk is disposed, and a peripheral portionformed surrounding a periphery thereof, and the peripheral portion is nearly equal to an upper surface of the optical disk, and further a distance from a tip portion of the optical disk to be loaded within the apparatus is equal to 1.8 mm or larger than that and equal to 4.0 mm or smaller than that, in particular, preferably it is equal to 2.0 mm or larger and equal to 2.7 mm or smaller.