RADIO WITH WIRED REMOTE SWITCH FOR SMARTPHONE

摘要

A radio includes controls operatively disposed on a face panel. A 3.5 millimeter audio jack is disposed on or through the face panel. The audio jack has four contacts including a microphone contact. A microphone is disposed on or in the face panel to transduce sound received at the face panel. The microphone is electrically connected via a microphone output circuit to the microphone contact. A normally open switch has a switch actuator button disposed on the face panel. The switch is to connect the microphone output circuit to an electrical ground when the switch is closed. 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.

主权项

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.