Rotational inductive accelerometer
Number of patents in Portfolio can not be more than 2000
United States of America Patent
Stats
-
Nov 20, 2001
Grant Date -
N/A
app pub date -
Mar 24, 2000
filing date -
Mar 26, 1999
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inductive rotational accelerometer for assisting in servo control of a hard disc drive using a torsional mass-spring system in combination with an inductance sensitive circuit to detect and measure the rotational vibrations imposed on a hard disc drive. The inductive rotational accelerometer includes a frame member coupled to the disc drive, the frame member supporting a pin on which is disposed a rotational mass. The rotational mass supports conductive blocks which with the rotational mass and the frame member provide a path for inductance.
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