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Signal noise ratio control system and method thereof

  • US 8,593,212 B2
  • Filed: 08/02/2012
  • Issued: 11/26/2013
  • Est. Priority Date: 03/27/2012
  • Status: Expired due to Fees
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 signal; and

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

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