MIC/GND DETECTION AND AUTOMATIC SWITCH

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United States of America Patent

SERIAL NO

15351172

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Abstract

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This document discusses, among other things, an audio jack detection switch configured to be coupled to first and second GND/MIC terminals of an audio jack, wherein the audio jack detection switch includes a detection circuit configured to measure an impedance on the first and second GND/MIC terminals and identify each GND/MIC terminal as either a GND pole or a MIC pole using the measured impedance, and wherein the audio jack detection switch includes a switch configured to automatically couple an identified MIC pole to a MIC connection and to automatically couple an identified GND pole to a GND connection using information from the detection circuit.

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Patent Owner(s)

Patent OwnerAddress
FAIRCHILD SEMICONDUCTOR CORPORATION5005 E MCDOWELL ROAD MAILDROP A700 PHOENIX AS 85008

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Prentice, Seth M Auburn, US 14 270

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