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. 22, 2020
Filed:
Sep. 04, 2019
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Nobuhiro Maeto, Yokohama Kanagawa, JP;
Takeyori Hara, Kawasaki Kanagawa, JP;
Takayuki Kawabe, Sagamihara Kanagawa, JP;
Kabushiki Kaisha Toshiba, Tokyo, JP;
Toshiba Electronic Devices & Storage Corporation, Tokyo, JP;
Abstract
According to one embodiment, a magnetic disk device includes a disk including a plurality of servo data items, a head including a write head which writes data to the disk, and a first read head and a second read head which read data from the disk, and a controller configured to position the head based on a first signal in which write data positioned between the servo data items of the disk is read by the first read head, and a second signal in which the write data is read by the second read head separated from the first read head in a radial direction of the disk.