Patent ID: 8182293

Claim:
An adaptor comprising: a plug comprising a first number of plug contacts for conducting a first set of signals, wherein: the first number of plug contacts is four; the plug comprises a first plug contact, a second plug contact, a third plug contact, and a fourth plug contact; and the plug is adapted to conduct: a left channel audio signal of the first set of signals on the first plug contact; a right channel audio signal of the first set of signals on the second plug contact; a microphone signal of the first set of signals on the third plug contact; and a ground signal of the first set of signals on the fourth plug contact; a jack comprising a second number of jack contacts for conducting a second set of signals, the first number of plug contacts being different than the second number of jack contacts; and a coupler that electrically and physically couples together at least some of the first number of plug contacts and at least some of the second number of jack contacts.