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:
Mar. 07, 2023
Filed:
May. 11, 2021
Western Digital Technologies, Inc., San Jose, CA (US);
Robert L. Horn, Yorba Linda, CA (US);
Western Digital Technologies, Inc., San Jose, CA (US);
Abstract
A data storage device configured to access a magnetic tape comprising a plurality of data tracks is disclosed, wherein the data storage device comprises at least one head configured to access the magnetic tape. A mapping table is generated having a predetermined number of segment entries per data track, wherein each segment entry corresponds to a data segment of the data track, each segment entry comprises a first logical address corresponding to a first logical data block stored in the corresponding data segment, and at least one of the data segments stores multiple logical data blocks. A target segment entry in the mapping table corresponding to a logical address of a read command is located, and the head is positioned at a beginning of a target data segment of a target data track corresponding to the target segment entry in order to execute the read command.