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:
Aug. 31, 2004
Filed:
Feb. 24, 2003
Applicant:
Inventor:
Toyoshi Nogami, Osaka, JP;
Assignee:
Funai Electric Co., Ltd., Osaka, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 7/02 ; G11B 7/00 ; G11B 1/700 ;
U.S. Cl.
CPC ...
G02B 7/02 ; G11B 7/00 ; G11B 1/700 ;
Abstract
An objective lens unit has a reinforcing frame portions formed along an outer peripheral surface of each of a pair of tracking coils by applying an epoxy resin adhesive to portions between a lens holder and the outer peripheral surface of each of the tracking coils. Reinforcing core portions are formed by filling the epoxy resin adhesive into a central hole of each of the tracking coils, and a reinforcing connecting portion is formed by filling the epoxy resin adhesive into a gap defined by the lens holder, each of the tracking coils, and a focusing coil.