Invention Grant
- Patent Title: Application of continuous position error offset signal to acquire servo track
- Patent Title (中): 应用连续位置误差偏移信号采集伺服轨迹
-
Application No.: US12716956Application Date: 2010-03-03
-
Publication No.: US08134797B2Publication Date: 2012-03-13
- Inventor: Nhan Xuan Bui , Randy Clark Inch , Eiji Ogura
- Applicant: Nhan Xuan Bui , Randy Clark Inch , Eiji Ogura
- Applicant Address: US NY Armonk
- Assignee: International Business Machines Corporation
- Current Assignee: International Business Machines Corporation
- Current Assignee Address: US NY Armonk
- Agent John H. Holcombe
- Main IPC: G11B5/55
- IPC: G11B5/55 ; G11B5/584

Abstract:
The method employs a servo system for positioning a head laterally to follow lateral motion of a longitudinal tape having longitudinal defined servo track(s), the servo system comprising a servo element configured to sense lateral position of the head with respect to an acquired servo track, a fine actuator configured to translate the head laterally with respect to the longitudinal tape, and a position error signal loop to operate the fine actuator to translate the head laterally to reduce position error. If the servo element is positioned away from the defined servo track(s), a continuous position error offset signal is applied to the fine actuator in a direction towards the defined servo track(s), whereby the fine actuator translates the head in accordance with the continuous position error offset signal; and, in response to the servo system acquiring the defined servo track(s), the continuous position error offset signal is discontinued.
Public/Granted literature
- US20110216441A1 APPLICATION OF CONTINUOUS POSITION ERROR OFFSET SIGNAL TO ACQUIRE SERVO TRACK Public/Granted day:2011-09-08
Information query
IPC分类: