Expanded touch panel display
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United States of America Patent
Stats
-
Sep 16, 2003
Grant Date -
Jul 25, 2002
app pub date -
Jan 23, 2001
filing date -
Jan 23, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
Apparatus for a touch sensitive panel or input screen for a hand held computing device that provides increased active or key area for the input screen. Four wires, each connected to one of the electrodes, are divided into smaller two-wire and one-wire units, with two of the four wires being connected to a signal processor from opposed locations on a boundary of the input screen. Replacing a conventional four-wire unit with this arrangement, the active or key area on the input screen can be increased by as much as 10-14 percent on a typical hand held device, or one or more dimensions of the device housing can be reduced. The four wire connection may be replaced by a three wire connection.
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