Patent ID: 7515646
Filing Date: 2009-04-07
Classification: H04B

Abstract:
1. A method for reducing electromagnetic emissions of data signals, said method comprising: (a) providing a controller having a first input, a modulating circuit, and a first output; (b) providing a demodulating circuit, having a second input, and a second output; (c) providing a data pathway between said first output and said second input; (d) receiving an input data signal at said first input; (e) repetitively modulating, at said modulating circuit, said input data signal according to a predetermined modulation cycle, in which said modulation cycle comprises at least one modulating pattern set, thereby generating a first output data signal that is directed to said first output, wherein said at least one modulation pattern set has an effect of removing electromagnetic energy from at least one center frequency of said input data signal, and generating concentrations of said electromagnetic energy that are located in a controlled manner as distinct patterns at other frequencies that are to sides of said at least one center frequency on a frequency spectrum graph; (f) transmitting said first output data signal from said first output to said data pathway; (g) receiving said first output data signal from said data pathway at said second input; and (h) demodulating, at said demodulating circuit, said first output data signal, and recombining said distinct patterns of said electromagnetic energy in a controlled manner such that said electromagnetic energy that was removed from said at least one center frequency of the input data signal is restored to its original form, thereby generating a second output data signal that is directed to said second output, wherein a data content of said second output data signal corresponds to a data content of said input data signal.