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:
Mar. 18, 2008
Filed:
Apr. 16, 2004
Kazuo Urata, Shizuoka-ken, JP;
Yasushi Hayashi, Shizuoka-ken, JP;
Kazuo Urata, Shizuoka-ken, JP;
Yasushi Hayashi, Shizuoka-ken, JP;
Yamaha Corporation, Hamamatsu-shi, JP;
Abstract
An air flow generated during disk rotation is rectified to suppress disk vibrations and prevent the qualities of recorded and reproduced signals from being degraded. Notchesandare formed on top edges of right and left side wallsandof a frame. Opposite ends of a clamp holderalong its long side direction are fixedly mounted on the notchesand. Rectifiers of repetitive structuresandhaving a wave shape as viewed in plan are formed on the clamper holderon the plate portionsandon both sides of a clamperand at edges on the output side of an air flow generated during disk rotation.