APPARATUS AND METHOD FOR FM WIRELESS VEHICLE SYSTEM INTERFACE
First Claim
1. A vehicle system interface, comprising:
- an antenna configured to receive a digital radio signal;
a digital radio receiver circuit configured to receive the digital radio signal from the antenna and to obtain digital audio data from the digital radio signal;
an FM modulator and transmitter circuit;
a microprocessor in operable communication with the digital radio receiver circuit and the FM modulator and transmitter circuit, the microprocessor being configured to generate a first message requesting a series of FM radio signal levels corresponding to a series of FM radio frequencies being received by an FM radio receiver, the microprocessor being configured to send the first message through an electrical connector to a control system in operable communication with the FM radio receiver, the microprocessor being configured to receive a second message from the control system through the electrical connector indicating the series of FM radio signal levels, the microprocessor being configured to select a suitable FM radio frequency from the series of FM radio frequencies based upon the corresponding series of FM radio signal levels, the microprocessor being configured to generate a third message instructing the control system to tune the FM radio receiver to the suitable FM radio frequency, the microprocessor being configured to send the third message through the electrical connector to the control system, the microprocessor being configured to transmit the digital audio data from the digital radio receiver circuit to the FM modulator and transmitter circuit, the microprocessor being configured to induce the FM modulator and transmitter circuit to broadcast an FM radio signal having the digital audio data over the suitable FM radio frequency.
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0 Petitions
Accused Products
Abstract
A vehicle system interface comprises an antenna configured to receive a digital radio signal, a digital radio receiver circuit configured to receive the digital radio signal from the antenna and to obtain digital audio data from the digital radio signal, an FM modulator and transmitter circuit, and a microprocessor in operable communication with the digital radio receiver circuit and the FM modulator and transmitter circuit. The microprocessor is configured to generate a first message requesting a series of FM radio signal levels corresponding to a series of FM radio frequencies being received by an FM radio receiver. The microprocessor is configured to send the first message through an electrical connector to a control system in operable communication with the FM radio receiver. The microprocessor is configured to receive a second message from the control system through the electrical connector indicating the series of FM radio signal levels. The microprocessor is configured to select a suitable FM radio frequency from the series of FM radio frequencies based upon the corresponding series of FM radio signal levels. The microprocessor is configured to generate a third message instructing the control system to tune the FM radio receiver to the suitable FM radio frequency. The microprocessor is configured to send the third message through the electrical connector to the control system. The microprocessor is configured to transmit the digital audio data from the digital radio receiver circuit to the FM modulator and transmitter circuit. The microprocessor is configured to induce the FM modulator and transmitter circuit to broadcast the digital audio data in an FM radio signal over the suitable FM radio frequency.
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Citations
23 Claims
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1. A vehicle system interface, comprising:
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an antenna configured to receive a digital radio signal; a digital radio receiver circuit configured to receive the digital radio signal from the antenna and to obtain digital audio data from the digital radio signal; an FM modulator and transmitter circuit; a microprocessor in operable communication with the digital radio receiver circuit and the FM modulator and transmitter circuit, the microprocessor being configured to generate a first message requesting a series of FM radio signal levels corresponding to a series of FM radio frequencies being received by an FM radio receiver, the microprocessor being configured to send the first message through an electrical connector to a control system in operable communication with the FM radio receiver, the microprocessor being configured to receive a second message from the control system through the electrical connector indicating the series of FM radio signal levels, the microprocessor being configured to select a suitable FM radio frequency from the series of FM radio frequencies based upon the corresponding series of FM radio signal levels, the microprocessor being configured to generate a third message instructing the control system to tune the FM radio receiver to the suitable FM radio frequency, the microprocessor being configured to send the third message through the electrical connector to the control system, the microprocessor being configured to transmit the digital audio data from the digital radio receiver circuit to the FM modulator and transmitter circuit, the microprocessor being configured to induce the FM modulator and transmitter circuit to broadcast an FM radio signal having the digital audio data over the suitable FM radio frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for transmitting digital audio data, the method comprising:
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receiving digital audio data; generating a first message requesting a series of FM radio signal levels corresponding to a series of FM radio frequencies being received by an FM radio receiver; sending the first message through an electrical connector to a control system in operable communication with the FM radio receiver; receiving a second message from the control system through the electrical connector indicating the series of FM radio signal levels; selecting a suitable FM radio frequency from the series of FM radio frequencies based upon the corresponding series of FM radio signal levels; generating a third message instructing the control system to tune the FM radio receiver to the suitable FM radio frequency; sending the third message through the electrical connector to the control system; and broadcasting the digital audio data in an FM radio signal over the suitable FM radio frequency.
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18. A system for transmitting a digital radio signal to an FM radio receiver, the system comprising:
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a control system in operable communication with the FM radio receiver, the FM radio receiver comprising an FM antenna, an FM tuner, and a speaker system; an electrical connector operably coupled to the control system; a vehicle system interface operably coupled to the electrical connector, the electrical connector configured to provide communication between the vehicle system interface and the control system, the vehicle system interface comprising; an antenna configured to receive a digital radio signal; a digital radio receiver circuit configured to receive the digital radio signal from the antenna and to obtain digital audio data from the digital radio signal; an FM modulator and transmitter circuit; a microprocessor in operable communication with the digital radio receiver circuit and the FM modulator and transmitter circuit, the microprocessor being configured to generate a first message requesting a series of FM radio signal levels corresponding to a series of FM radio frequencies being received by the FM antenna, the microprocessor being configured to send the first message through the electrical connector to the control system, the microprocessor being configured to receive a second message from the control system through the electrical connector indicating the series of FM radio signal levels, the microprocessor being configured to select a suitable FM radio frequency from the series of FM radio frequencies based upon the corresponding series of FM radio signal levels, the microprocessor being configured to generate a third message instructing the control system to tune the FM tuner to the suitable FM radio frequency, the microprocessor being configured to send the third message through the electrical connector to the control system, the microprocessor being configured to transmit the digital audio data from the digital radio receiver circuit to the FM modulator and transmitter circuit, the microprocessor being configured to induce the FM modulator and transmitter circuit to broadcast the digital audio data in an FM radio signal over the suitable FM radio frequency.
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19. A vehicle system interface, comprising:
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a digital audio receiver configured to receive digital audio data; a transmitter operably connected to the digital audio receiver to receive the digital audio data therefrom; an electrical connector configured to operably connect with a diagnostic link connector of a vehicle to provide communication with a control system of the vehicle; and a control circuit operably connected to the electrical connector and the transmitter, the control circuit being configured to communicate with the control system of the vehicle through the electrical connector to request and receive a series of FM radio signal levels corresponding to a series of FM radio frequencies being received by an FM radio receiver of the vehicle, the control circuit being further configured to select a suitable FM radio frequency from the series of FM radio frequencies based upon the corresponding series of FM radio signal levels, the control circuit being further configured to communicate with the control system through the electrical connector to instruct the control system to tune the FM radio receiver to the suitable FM radio frequency, the control circuit being further configured to induce the transmitter to broadcast the digital audio data in an FM radio signal over the suitable FM radio frequency. - View Dependent Claims (20, 21, 22, 23)
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Specification