Multiplex communications – Pathfinding or routing – Switching a message which includes an address header
Patent
1997-05-30
1999-10-12
Nguyen, Chau
Multiplex communications
Pathfinding or routing
Switching a message which includes an address header
370445, 370466, H04L 1228, H04L 12413, H04J 316
Patent
active
059663820
ABSTRACT:
A system comprising the following elements. An ethernet controller circuit for generating ethernet data signals. An isolation circuit coupled to receive the ethernet data signals and for generating ethernet output signals. The ethernet output signals including primarily a first sine wave signal, a second sign wave signal, and a set of signals. The first sine wave signal is at a frequency approximately equal to the frequency of the ethernet data signals. The second sine wave signal is at a frequency approximately one half the frequency of the first sine wave signal. The third set of signals is for transitioning between said first sine wave signal and said second sine wave signal. In this embodiment, the high frequency components of the output signals is significantly reduced, which results in reduced electromagnetic interference from the system.
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Stremler, Ferrel G., "Introduction to Communication Systems" Second Edition, Addison-Wesley Publishing, Reading, Massachusetts, (1977) Chapters 7 and 10, pp. 351-429, 571-633.
Fawal Marwan A.
Lo Burton B.
3Com Corporation
Nguyen Chau
Nguyen Phuong Chau Ba
Richardson Kent R.
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