Microsoft Technology Licensing, LLC

N-Trig Ltd.

Leonard Engelhardt

Guy Paradis

Tomer Kahan

Jonathan Moore

A method for securing operation of a computing device operated with a stylus includes recognizing a pre-defined gesture performed by a stylus on a touch screen, the pre-defined gesture defined as a user command to lock an item displayed on the touch screen, determining a location of the gesture, determining identity of the stylus, locking an item displayed at the location determined, and recording identity of the stylus. A method for operating a computing device with a stylus includes receiving a command with a stylus to add restricted annotations to a document, receiving identity of the stylus, linking an annotation to the identity, restricting display of the annotation on the document to a computing device receiving input from the stylus; and displaying the document absent the at least one annotation on a computing device on which input from the stylus is not received.

System and method for authentication with a computer stylus

A system and method for providing feedback to a user making a gesture for switching between at least two types of user interactions used to operate a digitizer system, the method comprising recognizing the gesture to switch between the types of user interactions, switching the type of user interaction used to operate the digitizer system, and providing feedback to the user indicating recognition of the gesture.

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Moshav Ora, Israel

Leonard Engelhardt