Surfaces with embedded sensing and actuation networks using complementary-metal-oxide-semiconductor (CMOS) sensing chips
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United States of America Patent
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Mar 29, 2016
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Sep 1, 2015
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Jul 8, 2010
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Abstract
A device and method for area sensing and actuation comprises highly scalable sensing and actuation network that can control a high density of sensing and actuation elements over a physical area. The device comprises a matrix of CMOS sensing chips that each comprise a plurality of sensing electrodes arranged in a matrix of columns and rows along horizontal wires and vertical wires. The vertical wires carry an activation signal to activate a column of sensing electrodes, and the vertical wires carry sensing and actuation signals between the column of sensing electrodes and a processing chip. The signals may be amplified by CMOS sensing chips between the source and destination of the signals. In this way, signals may be received from and sent to a dense matrix of sensing electrodes spanning a large geographic area with little or no degradation.
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