Transmitter, touch sensitive system and transmitting method thereof
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United States of America Patent
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Nov 21, 2017
Grant Date -
May 14, 2015
app pub date -
Nov 10, 2014
filing date -
Nov 8, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The present invention provides a transmitter, which includes a transmitting module configured to transmit an electrical signal to a touch sensitive device according to at least one transmitter operating status such that the touch sensitive device acknowledges the transmitter operating status by analyzing the electrical signal including one or more first frequencies; a detecting module configured to detect an interference signal coherent to the electrical signal from a received signal external to the transmitter when the transmitting module is not transmitting the electrical signal; and a processing module configured to replace the detected one or more first frequencies with one or more second frequencies in response to the interference signal being detected by the detecting module.
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