TIP AND STYLUS HAVING THE SAME
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United States of America Patent
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app pub date -
Aug 1, 2016
filing date -
Jul 30, 2015
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Abstract
A tip and stylus for a capacitive sensor are provided. The stylus includes a stylus body, an amplifier circuit, and a tip. The tip includes a first electrode, an insulating element, a second electrode, and a shield. The first electrode has a thread element at a distal end of the first electrode. The second electrode is aligned with a longitudinal axis of the stylus, the longitudinal axis being parallel with a central axis of the stylus. The shield is disposed between the first electrode and the second electrode. The first electrode and the second electrode are electrically insulated from the shield by a cap layer, in which the first electrode, the second electrode, and the shield selectively move in response to the tip of the stylus contacting a touch screen having the capacitive sensor in accordance to an angle of contact and a contact force.
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