Importance

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Abstract

A digitizer pen system including: a pen having an elongated body terminating in a writing tip and at least one ultrasound transducer deployed adjacent to the writing tip. The digitizer pen also includes a writing element removably inserted into the writing tip. The writing element has an end protruding from the writing tip. The digitizer pen also includes an extraction tool including a plurality of flexible leaves deployed around a central position. The flexible leaves are spaced such that, when the extraction tool is pressed onto the protruding end of the writing element, the flexible leaves grip the protruding end so as to facilitate extraction of the writing element. The elongated body has a main grip surface. The elongated body includes at least one radial projection located between the ultrasound transducer and the main grip surface.

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First Claim