Systems and methods for reducing electromagnetic emissions in communications
First Claim
1. A method of transmitting and receiving at least one signal comprising:
- integrating at least one encoded digital signal, wherein integrating comprises converting the at least one encoded digital signal into an at least one integrated signal that is proportional to the time integral of the at least one encoded digital signal;
transmitting the at least one integrated signal; and
receiving the at least one integrated signal following transmission and thereafter differentiating the at least one integrated signal, wherein differentiating comprises converting the at least one integrated signal into a representation of the at least one encoded digital signal that is proportional to the rate of change of the at least one integrated signal.
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Accused Products
Abstract
A digital communications system includes a transmitter and a receiver. The transmitter can integrate encoded digital signals by converting the encoded digital signals into integrated signals that are proportional to the time integral of the encoded digital signals. The transmitter can then transmit the integrated signals. The receiver can receive the integrated signals and thereafter differentiate the integrated signals into a representation of the encoded digital signals that is proportional to the rate of change of the integrated signals. By integrating the encoded digital signals at the receiver and thereafter differentiate the integrated signals at the receiver, the system can reduce electromagnetic emissions associated with the transmission of communications via a transmission medium.
36 Citations
24 Claims
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1. A method of transmitting and receiving at least one signal comprising:
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integrating at least one encoded digital signal, wherein integrating comprises converting the at least one encoded digital signal into an at least one integrated signal that is proportional to the time integral of the at least one encoded digital signal;
transmitting the at least one integrated signal; and
receiving the at least one integrated signal following transmission and thereafter differentiating the at least one integrated signal, wherein differentiating comprises converting the at least one integrated signal into a representation of the at least one encoded digital signal that is proportional to the rate of change of the at least one integrated signal. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A digital communications transmitter comprising:
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an encoder capable of encoding at least one digital signal according to a predefined communications standard;
an integrator capable of integrating the at least one encoded digital signal, wherein said integrator is capable of converting the at least one encoded digital signal into an at least one integrated signal that is proportional to the time integral of the at least one encoded digital signal; and
a transmitter element capable of transmitting the at least one integrated signal. - View Dependent Claims (11, 12, 13)
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14. A digital communications receiver comprising:
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a receiver element capable of receiving at least one integrated signal, wherein the at least one integrated signal is proportional to the time integral of at least one encoded digital signal;
a differentiator capable of converting the at least one integrated signal into a representation of the at least one encoded digital signal that is proportional to the rate of change of the at least one integrated signal; and
a decoder capable of decoding the representation of the at least one encoded digital signal according to a predefined communications standard to thereby obtain a representation of at least one digital signal. - View Dependent Claims (15, 16, 17, 18, 19)
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20. A digital communications system comprising:
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a transmitter capable of integrating at least one encoded digital signal, wherein said transmitter is capable of integrating the at least one encoded digital signal by converting the at least one encoded digital signal into an at least one integrated signal that is proportional to the time integral of the at least one encoded digital signal, and wherein said transmitter is capable of transmitting the at least one integrated signal; and
a receiver capable of receiving the at least one integrated signal and thereafter differentiating the at least one integrated signal into a representation of the at least one encoded digital signal that is proportional to the rate of change of the at least one integrated signal. - View Dependent Claims (21, 22, 23, 24)
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Specification