Invention Grant
- Patent Title: Data storage device seeking multiple voice coil motors using a limited current supply
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Application No.: US15843076Application Date: 2017-12-15
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Publication No.: US10014018B1Publication Date: 2018-07-03
- Inventor: Toshihisa Kiyonaga , Peng Huang , Kexiu Liu
- Applicant: Western Digital Technologies, Inc.
- Applicant Address: US CA San Jose
- Assignee: Western Digital Technologies, Inc.
- Current Assignee: Western Digital Technologies, Inc.
- Current Assignee Address: US CA San Jose
- Main IPC: G11B5/09
- IPC: G11B5/09 ; G11B5/55

Abstract:
A data storage device is disclosed comprising a first voice coil motor (VCM) configured to actuate a first head, and a second VCM configured to actuate a second head. A high priority is assigned to the first VCM and a low priority to the second VCM. A first access command is serviced using the first head by seeking the first VCM using a first high performance seek profile. When seeking the second VCM without seeking the first VCM, a second access command is serviced using the second head using a second high performance seek profile. When concurrently seeking the first VCM and the second VCM, the seeking of the second VCM is with a reduced performance seek profile, wherein the second high performance seek profile decreases a seek time of the second VCM compared to the reduced performance seek profile.
Information query
IPC分类: