Invention Grant
US08737012B2 System and method for automatic calibration of notch filter of hard disk drive
有权
用于自动校准硬盘驱动器陷波滤波器的系统和方法
- Patent Title: System and method for automatic calibration of notch filter of hard disk drive
- Patent Title (中): 用于自动校准硬盘驱动器陷波滤波器的系统和方法
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Application No.: US13609600Application Date: 2012-09-11
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Publication No.: US08737012B2Publication Date: 2014-05-27
- Inventor: Daijiro Otani
- Applicant: Daijiro Otani
- Applicant Address: US TX Dallas
- Assignee: Texas Instruments Incorporated
- Current Assignee: Texas Instruments Incorporated
- Current Assignee Address: US TX Dallas
- Agent Alan A. R. Cooper; W. James Brady, III; Frederick J. Telecky, Jr.
- Main IPC: G11B5/596
- IPC: G11B5/596
Abstract:
An apparatus for use with a hard disk drive, comprising: a selectable notch filter with a selectable notch frequency; a shock sensor of the hard disk drive, coupled to the selectable notch filter, the shock sensor having at least one resonance frequency; a flip flop coupled to an output of the notch filter and an output of the shock sensor; a calibration logic coupled to an output of the flip flop, wherein an output of the calibration logic is coupled to a selection input of the selectable notch filter.
Public/Granted literature
- US20140063652A1 System and Method for Automatic Calibration of Notch Filter of Hard Disk Drive Public/Granted day:2014-03-06
Information query
IPC分类:
