Accelerometer sensor noise reduction method and means
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United States of America Patent
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Apr 26, 1994
Grant Date -
N/A
app pub date -
Aug 31, 1992
filing date -
Aug 31, 1992
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a preferred embodiment, an accelerometer sensor system, including: a housing structure; a first acceleration sensor disposed in the housing structure at a first selected location along the vertical axis of the housing structure, the first acceleration sensor providing a first output; a second acceleration sensor disposed in the housing structure at a second selected location along the vertical axis, the second acceleration sensor providing a second output; and apparatus to combine the first and second outputs of the first and second acceleration sensors such as to simulate the output from a virtual acceleration sensor located at any selected location on the vertical axis, allowing one to reduce noise induced by pitch motion, at any desired frequency or across a desired frequency band.
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