Patent ID: 7914340

Claim:
An audio signal switcher comprising: a jack switcher comprising an audio jack and a first USB port; the first USB port comprising a first data pin, a second data pin, a power pin, and a ground pin, the audio jack comprising a left track segment, a right track segment, and a ground segment, the left track segment being coupled to the first data pin, the right track segment being coupled to the second data pin, the ground segment being coupled to the power pin and the ground pin; a plug switcher comprising an audio plug and a second USB port; the second USB port comprising a first data pin, a second data pin, and a ground pin; the audio plug comprising a left track segment, a right track segment, and a ground segment, the left track segment of the audio plug being a left pin, the right track segment of the audio plug being a right pin, the ground segment of the audio plug being divided into a left ground ring and a right ground ring, the left ground ring being around the left pin, the right ground ring being around the right pin, the left pin being coupled to the first data pin of the second USB port, the right pin being coupled to the second data pin of the second USB port, the left ground ring and the right ground ring being connected together to couple to the ground pin of the second USB port, the plug switcher being connected to the jack switcher by a USB cable.