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:
Oct. 10, 2006
Filed:
Dec. 05, 2002
Applicants:
Tadashi Okajima, Osaka, JP;
Shigekazu Minechika, Osaka, JP;
Takanobu Hisamitsu, Osaka, JP;
Inventors:
Assignee:
Sanyo Electric Co., Ltd., Moriguchi, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
In a case of recording data into an optical disk (), a disk apparatus () rotates the optical disk () by a ZCLV system, and in a case of reading out the data from the optical disk, the disk apparatus rotates the optical disk by a ZCAV system. By rotating the optical disk by the ZCLV system, a DSP () performs a read of a modified read carried out before recording, and a read of a verification carried out after the recording, and thereby, no occurrence of a change of a rotating speed of the optical disk among the modified read, the recording, and the verification.