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Chapter 43. Digital Pen and Paper > Features and Considerations

Features and Considerations

Electronic ink can be applied either as the top layer for eBooks, PDAs, and other such “active matrix” devices, or in more unconventional means to a variety of surfaces such as glass, plastic, fabric, or paper. If there is no active layer of circuitry below the electronic ink, then techniques such as swiping a statically charged wand over the digital paper can be one way to create an image. The wand must be electronic and capable of creating the required detail level in terms of the location of the various static charges needed to produce a high-resolution text or image display. You can think of this much like the number of pixels required on the computer screen to display a high-resolution image.


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