Invention Grant
US09076472B1 Apparatus enabling writing servo data when disk reaches target rotation speed
有权
当磁盘达到目标转速时，能够写入伺服数据的装置
- Patent Title: Apparatus enabling writing servo data when disk reaches target rotation speed
- Patent Title (中): 当磁盘达到目标转速时，能够写入伺服数据的装置
-
Application No.: US14464943Application Date: 2014-08-21
-
Publication No.: US09076472B1Publication Date: 2015-07-07
- Inventor: Paul Dylan Sherman , Sergey Muchiyev
- Applicant: Western Digital (Fremont), LLC
- Applicant Address: US CA Fremont
- Assignee: Western Digital (Fremont), LLC
- Current Assignee: Western Digital (Fremont), LLC
- Current Assignee Address: US CA Fremont
- Main IPC: G11B21/02
- IPC: G11B21/02 ; G11B5/09 ; G11B15/46 ; G11B5/596 ; G11B19/28 ; G11B19/04
Abstract:
An apparatus is disclosed comprising control circuitry configured to measure a rotation speed of a disk over multiple revolutions of the disk to generate a measured range of rotation speeds, select a target rotation speed from the measured range of rotation speeds, and when the rotation speed of the disk substantially matches the target rotation speed, enable writing of servo data on the disk using a head.
Information query
