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:
Dec. 10, 2002
Filed:
Jan. 24, 2001
Applicant:
Inventors:
Jun Suzuki, Tokorozawa, JP;
Katsumi Ishii, Tokorozawa, JP;
Assignee:
Pioneer Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02B 7/02 ;
U.S. Cl.
CPC ...
G02B 7/02 ;
Abstract
A lens driving apparatus of a disc player which can avoid the rolling of a movable portion without increasing a weight of a movable portion of an actuator and printed circuit board coils for the lens driving apparatus are provided. A center of gravity of a focusing coil is located on a lower side in the focusing direction than a plane including a distribution center line of a drive force which is generated from a pair of tracking coils.