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:
May. 28, 1996
Filed:
May. 11, 1994
Applicant:
Inventors:
Yoshimori Yamasaki, Kanagawa, JP;
Takayoshi Chiba, Tokyo, JP;
Hideki Kobunaya, Tokyo, JP;
Yutaka Ishikawa, Kanagawa, JP;
Assignees:
Sony Corporation, Tokyo, JP;
NEC Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 48 ; 369 47 ; 369 54 ; 369 58 ;
Abstract
A disc drive such as an optical magnetic disc drive latches status information IDS, and IDOST to DATST for operational status at a timing when an abnormality occurs, and repeats recording based upon latched status information IDS, and ID0ST to DATST, thereby reducing retry time.