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. 18, 1987
Filed:
Aug. 22, 1985
Applicant:
Inventors:
Yasunori Terayama, Chiba, JP;
Masashi Nakamura, Tokyo, JP;
Kazuhiko Fujiie, Tokyo, JP;
You Yoshitoshi, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B / ; F16C / ;
U.S. Cl.
CPC ...
350247 ; 350255 ; 384 10 ;
Abstract
An optical pickup of the invention has an objective lens holder holding an objective lens, a support shaft which supports the objective lens holder such that the holder is slidable along the axial direction and pivotable about its axis, and a press member for pressing the objective lens holder against the support shaft.