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:
Feb. 01, 2011
Filed:
Mar. 20, 2006
Hideki Aikoh, Osaka, JP;
Makoto Takashima, Nara, JP;
Takao Hayashi, Osaka, JP;
Akira Yoshikawa, Nara, JP;
Tomio Yamamoto, Hyogo, JP;
Kouretsu Boku, Kyoto, JP;
Hideki Aikoh, Osaka, JP;
Makoto Takashima, Nara, JP;
Takao Hayashi, Osaka, JP;
Akira Yoshikawa, Nara, JP;
Tomio Yamamoto, Hyogo, JP;
Kouretsu Boku, Kyoto, JP;
Panasonic Corporation, Osaka, JP;
Abstract
An optical disk device of the present application includes: a turntableincluding plural induction groovestoas concave portions radially extending from vicinity of a center of the turntableand having open portions in an outer periphery of the turntableand plural through-holestopenetrating bottom facestoon the vicinity of the center side of the plural induction groovestoand a top face of the turntable; and an outer rotor type spindle motorprovided with plural finstoas convex portions on a rotor on a side face thereof. The optical disk device of the present application utilizes an airflow generated by rotation of the rotor of the spindle motorand the turntablein conjunction therewith as a dust removing wind for removing dust attaching to an objective lens side area.