SEMI-PASSIVE STYLUS
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United States of America Patent
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Issued Date -
Mar 16, 2017
app pub date -
Sep 12, 2016
filing date -
Sep 11, 2015
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Abstract
Disclosed are styli having an elongated body for use in connection with a touch-sensitive device, wherein the touch-sensitive device generates touch detection signals proximate to its surface. In an embodiment, the stylus comprises a nib having one or more nib components adapted to interact with the touch detection signals present on the touch surface, and one or more variable circuits operatively connecting the one or more nib components to the stylus body or other source of environmental ground. In an embodiment, the stylus has a nib comprising a plurality of nib components adapted to interact with the touch detection signals present on the touch surface; each of the plurality of nib components are insulated from each other, except for a variable circuit variably connecting at least two of the plurality of nib components. Also disclosed are methods for detecting the position, angle and rotation of the stylus with respect to the touch-sensitive device based on a detected amount of varied electrical connection.
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