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Pritchard Jeffrey O, Allen Timothy P, Gillespie David W, Leroy Lieven P: Object position detector with noise suppression feature. Synaptics, January 14, 1998: EP0818751-A1 (32 worldwide citation)

A method for suppressing noise in a touchpad cursor control device which operates by scanning at one of a plurality of scanning frequencies a number of inputs associated with a touchpad, comprises the steps of measuring the noise level at each one of said plurality of scanning frequencies and settin ...


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Pritchard Jeffrey Orion, Allen Timothy P, Gillespie David W, Leroy Lieven P: Object position detector with noise suppression feature. Synaptics Incorporated, D ALESSANDRO Kenneth, January 22, 1998: WO/1998/002964

A method for suppressing noise in a touchpad cursor control device (10) which operates by scanning at one of a plurality of scanning frequencies (F1, F2,... FN) a number of inputs associated with a touchpad (22), comprises the steps of measuring the noise level at each one of said scanning frequenci ...


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