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. 02, 1993
Filed:
Nov. 07, 1990
Applicant:
Inventor:
Tomoyuki Shirai, Saitama, JP;
Assignee:
Asahi Kogaku Kogyo Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 4422 ; 369 4414 ; 369146 ; 359824 ;
Abstract
An optical head locating mechanism for locating an optical head adapted to be positioned in an optical device at a desired point. The optical head locating mechanism comprises a first location device for floating the optical head and locating it at a desired position along a focusing direction, and a second in a direction orthogonal to a tracking direction. Thus, it becomes possible to smoothly and quickly move the optical head, and further it becomes possible to accurately locate the optical head.