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USI is an organization of leading OEMs, stylus and touch controller manufacturers driving industry standards to promote interoperable active styluses with touch-enabled devices such as phones, tablets, and computing and entertainment platforms.

The primary feature of the standard being developed is to define the method by which the stylus communicates with the content creation devices. One of the goals of USI is to provide a standard user experience while making the active stylus more affordable and widely available in the market.

Latest Discussions

  • Dear wireless charging subgroup members. Please find today's material including, USI certification Flow (Slide 3), the WLC extension (Slide 4) and open Questions (Slide 6) attached. The upcoming meeting on Oct 26th will be shifted. The new invite will ...

  • Document Name : USI WLC Compliance and Test Cases Document Description Stylus and Device WLC compliance requirements and test plan rev 1: added testing req for Stylus to indicate coil center position. rev 2: clean ...

  • Document Name : USI_WLC_Compliance_Test_Cases_v1_0 USI MEMBERS ACCESS_draft0_6.docx Description Stylus and Device WLC compliance requirements and test plan rev 1: added testing req for Stylus to indicate coil center ...

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