The Digitizer reference article from the English Wikipedia on 24-Apr-2004 (provided by Fixed Reference: snapshots of Wikipedia from wikipedia.org)

Digitizer

In telecommunication, the term digitizer has the following meanings:

1. A device that converts an analog signal into a digital representation of the analog signal.

Note: A digitizer usually samples the analog signal at a constant sampling rate and encodes each sample into a numeric representation of the amplitude value of the sample.

2. A device that converts the position of a point on a surface into digital coordinate data.

Source: from Federal Standard 1037C and from MIL-STD-188

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