Position sensor
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United States of America Patent
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-
May 3, 2005
Issued Date -
N/A
app pub date -
Mar 28, 2002
filing date -
May 14, 1994
priority date (Note) -
Expired
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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