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:
Dec. 23, 1997
Filed:
Jul. 11, 1996
Applicant:
Inventor:
Hideo Sano, Tokyo, JP;
Assignee:
NEC Corporation, , JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369 32 ; 3692753 ;
Abstract
Control parameter information is written to areas of an optical disk that are not write-accessible by the host computer, when the optical disk is to be ejected from the optical disk unit, and read therefrom for use in a subsequent write or read action when the optical disk is inserted in the optical disk unit. Latest written sector and blank sector information may likewise be written and read.
Sano, Hideo. (1997). Optical disk device capable of recording a control parameter on unused (U.S. Patent No. 5701281). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5701281
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