USB-C INTERFACE FOR A SMART DEVICE
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United States of America Patent
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Issued Date -
Nov 9, 2023
app pub date -
May 5, 2022
filing date -
May 5, 2022
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Abstract
The present invention is directed to a method and apparatus for connecting an external composite device to a smart device such as a smartphone using a USB connection. The apparatus allows for the creation of a communication interface between an external composite device such as a PTT device and a smart device with a single USB connector. The interface allows the external device to control transmission and reception of digital audio while simultaneously supporting serial data packets being transmitted to control PTT Press and Release (press and hold) from a USBC-Serial connection. The apparatus may be used with both Android and Iphone smart devices.
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