US 11,955,147 B1
Magnetic recording/reproducing device
Takuya Matsumoto, Kawasaki Kanagawa (JP)
Assigned to Kabushiki Kaisha Toshiba, Tokyo (JP); and Toshiba Electronic Devices & Storage Corporation, Tokyo (JP)
Filed by Kabushiki Kaisha Toshiba, Tokyo (JP); and Toshiba Electronic Devices & Storage Corporation, Tokyo (JP)
Filed on Feb. 27, 2023, as Appl. No. 18/175,443.
Claims priority of application No. 2022-148084 (JP), filed on Sep. 16, 2022.
Int. Cl. G11B 5/09 (2006.01); G11B 13/08 (2006.01); G11B 5/00 (2006.01)
CPC G11B 5/09 (2013.01) [G11B 13/08 (2013.01); G11B 2005/0021 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A magnetic recording/reproducing device, comprising:
a magnetic head including an assist element and configured to perform assist recording by applying assist power to the assist element;
a rotatable magnetic recording medium;
a rotation driver configured to perform rotation drive of the magnetic recording medium;
a rotation number controller configured to control a rotation number of the rotation driver; and
an assist power controller configured to control assist power supplied to the assist element, wherein
the assist recording is performed under a first condition in which the rotation number is a first rotation number and the assist power is a first assist power, or under a second condition in which the rotation number is a second rotation number which is different from the first rotation number and the assist power is a second assist power which is different from the first assist power.