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:
Jan. 30, 2001
Filed:
Oct. 20, 1997
Applicant:
Inventors:
Yasuhiro Miyazaki, Hachioji, JP;
Naoaki Tani, Akiruno, JP;
Koichi Tamura, Hachioji, JP;
Keiji Mukawa, Hachioji, JP;
Etsuyasu Kondo, Hino, JP;
Assignee:
Olympus Optical Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 ;
U.S. Cl.
CPC ...
G11B 7/00 ;
Abstract
An optical pickup comprises a plurality of light sources for generating recording and reproducing light of information, a plurality of optical elements for treating light beam generated from the light sources, light detecting means for detecting light beam in a optical path to adjust various characteristics of the light beam, and a recording medium, wherein resolution or resolving power in recording time and in reproducing time is adjusted to match to each other.