Audio system, and USB/UART common communication system for...

Details Audio system, and USB/UART common communication system for... Audio system, and USB/UART common communication system for...

2007-01-04

2010-06-22

Sorrell, Eron J (Department: 2182)

Electrical computers and digital data processing systems: input/

Input/output data processing

Peripheral adapting

C710S002000, C710S036000, C710S063000, C710S074000

Reexamination Certificate

active

07743187

ABSTRACT:
An audio system sets a signal line path between the medium of an audio device and an external device and uploads a digital audio file from the external device to the audio device according to a user's manipulation of the audio. In addition, a communication system selectively uses USB and UART communications by commonly using a single USB connector and connects a connector of an external device and an audio/USB/UART common connector through a single cable, so that audio/USB or audio/UART signals are selectively outputted through a common audio signal line. Accordingly, the audio system can interface with various kinds of external devices without external modification or additional installation of a dedicated interface in the audio device with a USB connector. In addition, the USB/UART common communication system can commonly use the USB connector without regard to USB and UART connection signals and can selectively output the audio/USB or audio/UART signals through the single cable in the audio device.

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MAX3349E, “USB 2.0 Full-Speed Transceiver with UART Multiplexing Mode,” Maxim Integrated Products, Inc., 2006.

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