Patent ID: 8467828
Filing Date: 2013-06-18
Classification: H01R,H04M,H04R

Abstract:
1. A system for detecting a type of plug to be received by a portable electronic device, the system comprising: a jack constructed to receive a plug selected from at least a microphone type and a non-microphone type, wherein the jack comprises at least a microphone connector electrically coupled to microphone detection circuitry, and a ground connector coupled to a ground source; the microphone detection circuitry operative to determine whether the received plug is the microphone type or the non-microphone type, the microphone detection circuitry including: wherein the headset switch is a first headset switch, wherein the headset switch activation event is a first headset switch activation event, wherein the microphone is electrically connected to a second headset switch, the headset switch detection circuitry to: