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:
Aug. 15, 1995
Filed:
Jan. 12, 1994
Applicant:
Inventor:
Toshio Horiguchi, Hachioji, JP;
Assignee:
Olympus Optical Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 54 ; 369 58 ; 369 4432 ;
Abstract
In an optical information recording/reproducing apparatus to stop recording operation upon detecting an error in access operation to a target track, when making the access operation to the target track, if an abnormality is detected in the target track or some track in the neighborhood of the target track during a period of time from an access to the track in the neighborhood of the target track until reaching the target track, information is not recorded on the target track and the occurrence of an abnormality is informed to a host computer.