Invention Grant
US08934202B2 Methods and devices for extracting off-track motion using microactuators
有权
使用微型致动器提取离轨运动的方法和装置
- Patent Title: Methods and devices for extracting off-track motion using microactuators
- Patent Title (中): 使用微型致动器提取离轨运动的方法和装置
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Application No.: US13326575Application Date: 2011-12-15
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Publication No.: US08934202B2Publication Date: 2015-01-13
- Inventor: Narayanan Ramakrishnan , Stefan Alexander Weissner
- Applicant: Narayanan Ramakrishnan , Stefan Alexander Weissner
- Applicant Address: US CA Cupertino
- Assignee: Seagate Technology LLC
- Current Assignee: Seagate Technology LLC
- Current Assignee Address: US CA Cupertino
- Agent Braden Katterheinrich
- Main IPC: G11B5/56
- IPC: G11B5/56 ; G11B5/596
Abstract:
In certain embodiments, an apparatus includes a first piezoelectric (PZT) element poled in the same direction as a second PZT element. The first and second PZT elements are configured to be driven while simultaneously sensing motion. The apparatus further includes a circuit configured to add outputs of the first and second PZT elements, extract the sensed motion, and detect off-track motion from the extracted sensed motion.
Public/Granted literature
- US20130152695A1 METHODS AND DEVICES FOR EXTRACTING OFF-TRACK MOTION USING MICROACTUATORS Public/Granted day:2013-06-20
Information query
IPC分类:
