Patent ID: 8588717

Claim:
A radio communications device, comprising: a headphone assembly comprising at least one aural speaker or transducer and a headphone cable functioning as an antenna and providing electrical signals carrying audio information to the at least one aural speaker or transducer; a signal separator coupled to the headphone cable for separating the electrical signals carrying audio information transmitted to the headphone cable and radio frequency (RF) signals received from the headphone cable, wherein the signal separator comprises a simple or multistage passive filter of L, T, or Pi design; a radio receiver for receiving the RF signals from the signal separator and converting the RF signals to electrical signals carrying audio information; a tuner for tuning the headphone cable to a selected operating frequency of the radio receiver; and an audio amplifier for amplifying electrical signals carrying audio information from the radio receiver to be transmitted through the headphone cable to the at least one aural speaker or transducer.