A digital pen is an input device which captures the handwriting or brush strokes of a user, and digitizes them so that they may be downloaded to a computer and displayed on its monitor. The data can then be interpreted by handwriting software and used in different applications or just as graphics.

A digital pen is generally larger and has more features than a stylus. Digital pens typically contain internal electronics, and have features such as touch sensitivity, input buttons, memory, Bluetooth transmission capabilities, and electronic erasers.[1] Some models can be found on graphics tablets made by manufacturers such as Wacom, while other models are tablet-less, such as those using Anoto technology, which works on paper or other surfaces such as whiteboards. Polyvision sells a product called eno which uses the Anoto dot pattern and digital pen technology.

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