G - Physics – 01 – B
Patent
G - Physics
01
B
G01B 21/00 (2006.01) G01B 17/00 (2006.01) G01S 5/22 (2006.01) G06F 3/043 (2006.01) G06K 11/06 (2006.01)
Patent
CA 2646035
The invention relates to a method for determining the locations of at least two impacts F, and F2 on a surface using one or more sensors S i, i = 1 to n, with n being the number of sensors, said impacts F, and F2 generating a signal being sensed by the one or more sensors, wherein each sensor provides a sensed signal s i(t), i = 1 to n, with n being the number of sensors. To be able to determine simultaneous impacts of different amplitudes the method comprises the steps of: identifying the location x of one impact, and determining a modified sensed signal s i(t) for each sensor in which the contribution due to the identified impact is reduced and which is based on a comparison, in particular a correlation, of each of the sensed signals s i(t) and a predetermined reference signal r ij(t) corresponding to a reference impact R j at location j. The invention also relates to methods based on couples of sensed signals and to a device carrying out the inventive methods.
Duheille Remi
Ing Ros Kiri
Schevin Olivier
Riches Mckenzie & Herbert Llp
Sensitive Object
Tyco Electronics Services Gmbh
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