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. 01, 2002
Filed:
Jan. 27, 2000
Applicant:
Inventors:
Somei Endo, Miyagi, JP;
Masayoshi Kanno, Tokyo, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 ;
U.S. Cl.
CPC ...
G11B 7/24 ;
Abstract
The mark length of each of pits forming together the pit train is made shorter than that of each of pits for a to-be-written signal normalized at the predetermined bit interval T. Also, the mark length of a shortest one of the pits forming together the pit train is set to 64.8 to 80.0% of the shortest mark length for the to-be-written signal normalized at the predetermined bit interval T.
Endo, Somei. (2002). Optical recording medium, stamper for use to produce the optical recording medium, and method of producing the stamper (U.S. Patent No. 6335916). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6335916
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile