Stylus for operating a digitizer system

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United States of America Patent

PATENT NO 9874951
SERIAL NO

14930815

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ATTORNEY / AGENT: (SPONSORED)

Importance

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Abstract

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An apparatus includes a housing, a tip configured to move with respect to the housing based on contact pressure applied the tip, and a circuit. The circuit detects pressure applied on the tip based on movement of the tip. The circuit includes a variable current source configured to drive a sensor, a transimpedance amplifier (TIA) configured to receive current from the sensor and an analog to digital converter configured to sample output from the TIA.

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First Claim

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Patent Owner(s)

Patent OwnerAddress
MICROSOFT TECHNOLOGY LICENSING LLCONE MICROSOFT WAY REDMOND WA 98052

International Classification(s)

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Stern, Yuval Even-Yehuda, IL 31 1175

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