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. 19, 1996
Filed:
Mar. 11, 1994
Applicant:
Inventor:
Takamichi Tomiyama, Chiba, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ;
U.S. Cl.
CPC ...
359813 ; 359823 ; 369 4415 ;
Abstract
A biaxial actuator for an optical pickup, including a lens holder for supporting an objective lens, a coil bobbin mounted on the lens holder, a focusing coil and a tracking coil both wound around the coil bobbin, and a supporting portion for supporting the lens holder through elastic members. The lens holder and the supporting portion to be fixedly mounted to a fixed member are integrally formed with the elastic members. The coil bobbin has terminal pins around which wire ends of the focusing coil and the tracking coil are wound, and the terminal pins are directly connected to the elastic members.