Noise reduction in digitizer system

Details Noise reduction in digitizer system Noise reduction in digitizer system

2011-08-09

2011-08-09

Nguyen, Chanh (Department: 2629)

Computer graphics processing and selective visual display system

Display peripheral interface input device

Touch panel

C178S018070

Reexamination Certificate

active

07995036

ABSTRACT:
A method for noise reduction in a digitizer, the digitizer comprising a plurality of detecting elements for detecting an electromagnetic signal at one of a number of predetermined frequencies: the method comprising: sampling at least two of said detecting elements substantially simultaneously to obtain outputs therefrom, and reducing the output on one of said two elements in accordance with the output on the other of said elements.

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