G - Physics – 06 – F
Patent
G - Physics
06
F
G06F 3/041 (2006.01) G06F 3/045 (2006.01)
Patent
CA 2734427
A computing device with a multi-touch touch interface having a plurality of rows of contact points and a plurality of columns of contact points. For each other row of contact points, every contact point in the row is connected to form a row sensor. For each other column of contact points, every contact point in the column that is not part of a row sensor is connected to form a column sensor. The contact points that are not part of a row sensor and not part of a column sensor are connected together to form at least one shape sensor. A computing device with a multi-touch touch interface having a plurality of contact points has at least one layer of piezoresistive material, an insulating structure disposed between the plurality of contact points and the piezoresistive material, and a gap between the plurality of contact points and piezoresistive material. A method of providing multi- layered password recognition for a computing device having a touch interface first provides a passcode associated with an alphanumeric symbol to the computing device. The alphanumeric symbol is associated with a passcode pressure level. A touch load is applied to the touch interface and a measured pressure level associated with the applied touch load is determined. Then it is determined whether the measured pressure level corresponds to the passcode pressure level associated with the alphanumeric symbol of the passcode.
Kormendy Arpad
Macdonald Adam Joseph
Saynac Xavier Pierre-Emmanuel
Thillainadarajah Kumaran
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Kormendy Arpad
Macdonald Adam Joseph
Saynac Xavier Pierre-Emmanuel
Thillainadarajah Kumaran
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