Data processing: presentation processing of document – operator i – Operator interface – Force feedback interaction
Reexamination Certificate
2007-08-07
2007-08-07
Kincaid, Kristine (Department: 2174)
Data processing: presentation processing of document, operator i
Operator interface
Force feedback interaction
C345S173000, C345S179000, C178S018010, C715S702000, C715S863000, C715S856000, C715S857000, C715S858000, C715S859000, C715S860000, C715S861000, C715S862000
Reexamination Certificate
active
09970474
ABSTRACT:
Touch panel systems and methods are disclosed that can distinguish temporally overlapping touch inputs from single touch inputs so that valid touch position coordinates can be determined. Touch panel systems and methods of the present invention can distinguish overlapping touches by comparing signal magnitudes to specified thresholds, by comparing the rates of change of signal magnitudes or measured positions to determined parameters, by locating the proximity a calculated location to icons or other such active areas, and the like. Because touch panel systems and methods of the present invention can discriminate single touches from double touches, they can be used in multiple user applications such as multiplayer games as well as in applications that may be subject to rapidly successive or overlapping touch inputs.
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Cordeiro Craig A.
Geaghan Bernard O.
Hagermoser Edward S.
Hart James J.
Hatin Paul M.
3M Innovative Properties Company
Ke Peng
Kincaid Kristine
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