Method and system for determining object height
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United States of America Patent
Stats
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Jul 28, 2009
Grant Date -
Feb 26, 2009
app pub date -
Aug 23, 2007
filing date -
Aug 23, 2007
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An apparatus and method for measuring a height of an object above a surface includes a housing with a first portion having an upper surface and a lower surface and an extension portion extending a first distance from the lower surface of the first portion. The extension portion defines a cavity opposing the lower surface of the first portion. The apparatus further includes one or more actuators passing through the lower surface of the first portion of the housing and extending into the cavity. Additionally, the apparatus includes a plate supported by one or more flexible members coupled to the extension portion. The plate has a top surface and a bottom surface that lies in a plane substantially parallel to the surface. Moreover, the apparatus includes a plurality of sensors disposed at predetermined positions of the plate. Each of the plurality of sensors is responsive to a height measured between each of the plurality of sensors and the surface.
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