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. 16, 1993
Filed:
Oct. 21, 1991
Applicant:
Inventors:
Toshihiro Komaki, Saitama, JP;
Masahiro Katsumura, Saitama, JP;
Assignee:
Pioneer Electronic Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369100 ; 3692752 ; 360 66 ;
Abstract
An optical recording medium initializing apparatus is disclosed in which an initializing light beam having a Gaussian distribution is applied to an optical recording medium. The optical energy thus applied to the medium is uniform in distribution, thus resulting in the satisfactory initialization of the recording medium.