Universal Stylus Initiative

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The Universal Stylus Initiative (USI) is a non-profit alliance of companies promoting a proprietary technical standard for interoperable active pen styluses on touchscreen devices such as phones, tablets, and computers.[1]

It defines a two-way communications protocol between the stylus and the computer and allows the stylus to remember user preferences for ink color and stroke. Multiple styluses can simultaneously draw on a single device. It support 9-axis inertial measurement.[2]

As of 2020, access to the specification is only available to members, but the goal is to create an open, non-proprietary active stylus specification with a certification program for members.[3][2][4]

As of 2019, there were over 30 members including Google and 3M, but some major players like Apple and Microsoft had not joined.[2]

Products started coming to market in 2019 including one stylus and several Chromebooks from different manufacturers.[1] As of 2021, the range of supported devices was increasing.[5]

See also[]

References[]

  1. ^ a b Schoon, Ben (2020-05-12). "Hands on: Chrome OS works well w/ a USI stylus". 9to5Google. Retrieved 2020-05-14.
  2. ^ a b c Ong, Thuy (2018-02-01). "Google and 3M have joined an initiative working toward an open standard for styluses". The Verge. Retrieved 2020-05-14.
  3. ^ "USI Membership Benefits". Retrieved 2020-05-14.{{cite web}}: CS1 maint: url-status (link)
  4. ^ "Universal Stylus Initiative specification published (probably by mistake)". reddit. Retrieved 2020-05-14.{{cite web}}: CS1 maint: url-status (link)
  5. ^ "The Current State of USI Pens on Chromebooks [VIDEO]". Chrome Unboxed - The Latest Chrome OS News. 2021-03-30. Retrieved 2021-03-31.

External links[]


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