Position sensor
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United States of America Patent
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-
Dec 23, 2003
Grant Date -
May 24, 2001
app pub date -
Jan 5, 2001
filing date -
Nov 27, 1998
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A low cost x-y digitising system is provided for use in consumer electronic devices, such as portable digital assistants, mobile telephones, web browsers and the like. The digitiser includes a resonant stylus, an excitation winding for energising the resonant stylus and a set of sensor windings for sensing the signal generated by the stylus, from which the x-y position of the stylus is determined.
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