FULLY ADDRESSABLE TRANSMITTER ELECTRODE CONTROL
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United States of America Patent
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Issued Date -
Jan 2, 2014
app pub date -
Jun 29, 2012
filing date -
Jun 29, 2012
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Circuit architecture is provided to allow for flexible touch transmit signaling of a display device having an integrated capacitive sensing device. The circuit architecture includes an addressable selection module for non-sequentially selecting a plurality of transmitter electrodes to be driven for capacitive sensing. The circuit architecture supports a high voltage drive scheme that provides voltage sources for capacitive sensing and for updating the display device. The circuit architecture also supports a low voltage (logic level) drive scheme that provides a logic signal to be used by TFT circuitry to drive voltage signals for capacitive sensing and for updating the display device.
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