Patent ID: 8693975

Claim:
A vehicle power adapter for providing frequency modulated (FM) radio frequency signals from an external device to an FM receiver in a vehicle using the vehicle's existing wiring system without modification of the vehicle's electrical connections behind the vehicle's dashboard and without over-the-air transmission of the FM signals, the vehicle power adapter comprising: a main body configured to be received in a cigarette lighter socket of the vehicle, the main body having a first connector to receive direct current (DC) power from the vehicle power system when inserted into the vehicle cigarette lighter socket; a coaxial cable having a first end connected to the main body and a second end extending therefrom; and a second connector connected to the second end of the coaxial cable and configured for detachable connection to an external device; wherein the main body comprises an amplifier circuit configured to receive the FM signals from the external device via the coaxial cable and to amplify the FM signals to a selected signal level that allows for their transmission to the FM receiver in the vehicle via the vehicle's existing and unmodified wiring system for reception and playback by the FM receiver, the main body being configured to provide the amplified FM signals to the vehicle's existing and unmodified wiring system when inserted into the cigarette lighter socket.