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TOUCH SYSTEM, ITS TOUCH DEVICE AND INPUT DEVICE, AND ITS SIGNAL TRANSMISSION METHOD

  • US 20200133436A1
  • Filed: 10/17/2019
  • Published: 04/30/2020
  • Est. Priority Date: 10/24/2018
  • Status: Active Grant
First Claim
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1. A signal transmission method for a touch system, wherein the touch system comprises an input device and a touch device having a touch operation area, multiple first electrode units, multiple second electrode units and a control unit, and the method comprises steps of:

  • executing a first mode and a second mode in a time division manner by the touch device;

    in the first mode, providing a modulation signal to at least one of the first electrode units for being used as a driving signal and an uplink signal transmitted to the input device; and

    in the second mode, receiving a downlink signal from the input device through the first and second electrode units.

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