Patent ID: 9628885
Date: 2017-04-18
CPC Classifications: H04B,H04M,H04R,H04W

Claim:
1. A radio, comprising: controls operatively disposed on a face panel; a 3.5 millimeter audio jack disposed on or through the face panel, the audio jack having four contacts including a microphone contact; a microphone disposed on or in the face panel to transduce sound received at the face panel, the microphone electrically connected via a microphone output circuit to the microphone contact; and a normally open switch having a switch actuator button disposed on the face panel, the normally open switch to connect the microphone output circuit to an electrical ground when the normally open switch is closed wherein the audio jack is to electrically connect the radio to circuits of a smartphone including a smartphone left speaker output circuit, a smartphone right speaker output circuit, a smartphone ground circuit and a smartphone microphone input circuit.