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Signal Noise Ratio Control System and Method Thereof

  • US 20130257518A1
  • Filed: 08/02/2012
  • Published: 10/03/2013
  • Est. Priority Date: 03/27/2012
  • Status: Active Grant
First Claim
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1. A signal-noise ratio control system for reducing noise interference, the signal-noise ratio control system comprising:

  • a touch sensor driven by a driving signal and outputting an analog signal according to a plurality of touch statuses;

    a touch controller which generates the driving signal and provides a divided voltage according to the analog signals; and

    a level shifter which adjusts a voltage level of the driving signal according to the voltage level of the divided voltage.

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