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. 09, 2001
Filed:
Dec. 24, 1998
Applicant:
Inventors:
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/0045 ;
U.S. Cl.
CPC ...
G11B 7/0045 ;
Abstract
An optical disk used for writing and reading data in units of an error correction block containing a plurality of sectors by means of a light beam and comprising land and groove tracks arranged adjacent to one another and a plurality of emboss pits formed on a boundary between the land and the groove tracks to detect respective positions of the error correction blocks.
Sugaya, Toshihiro. (2001). Optical disk having radial lands and grooves, and boundary recognition marks, and optical disk apparatus for emitting a light beam to an optical disk having a plurality of error correction blocks after boundary recognition marks (U.S. Patent No. 6301208). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/6301208
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile