-
公开(公告)号：US20110261874A1
公开(公告)日：2011-10-27
申请号：US12766204
申请日：2010-04-23
CPC分类号： H03K7/08 , H04B3/542 , H04B14/026
摘要： A method and apparatus for communicating over a power line. In one embodiment of the method, a first PWM waveform signal is generated, wherein a duty cycle of the first PWM waveform signal is proportional to an amplitude of a first analog signal. A first sinusoidal waveform signal is also generated, which has a first frequency. The first sinusoidal waveform signal is modulated in relation to the first PWM waveform signal. The modulated first sinusoidal waveform signal is transmitted to a circuit via a power conductor that couples a power source to the circuit. The circuit in turn generates a demodulated signal by demodulating the modulated first sinusoidal waveform signal.
摘要翻译： 一种用于通过电力线通信的方法和装置。 在该方法的一个实施例中，产生第一PWM波形信号，其中第一PWM波形信号的占空比与第一模拟信号的幅度成比例。 还产生第一正弦波形信号，其具有第一频率。 相对于第一PWM波形信号调制第一正弦波形信号。 经调制的第一正弦波形信号通过将电源耦合到电路的电源导体传输到电路。 电路又通过解调调制的第一正弦波形信号来产生解调信号。
-
公开(公告)号：US08446943B2
公开(公告)日：2013-05-21
申请号：US12766204
申请日：2010-04-23
CPC分类号： H03K7/08 , H04B3/542 , H04B14/026
摘要： A method and apparatus for communicating over a power line. In one embodiment of the method, a first PWM waveform signal is generated, wherein a duty cycle of the first PWM waveform signal is proportional to an amplitude of a first analog signal. A first sinusoidal waveform signal is also generated, which has a first frequency. The first sinusoidal waveform signal is modulated in relation to the first PWM waveform signal. The modulated first sinusoidal waveform signal is transmitted to a circuit via a power conductor that couples a power source to the circuit. The circuit in turn generates a demodulated signal by demodulating the modulated first sinusoidal waveform signal.
摘要翻译： 一种用于通过电力线通信的方法和装置。 在该方法的一个实施例中，产生第一PWM波形信号，其中第一PWM波形信号的占空比与第一模拟信号的幅度成比例。 还产生第一正弦波形信号，其具有第一频率。 相对于第一PWM波形信号调制第一正弦波形信号。 经调制的第一正弦波形信号通过将电源耦合到电路的电源导体传输到电路。 电路又通过解调调制的第一正弦波形信号来产生解调信号。
-
搜索结果
2 条记录 (耗时 0.017 秒)
