Systems for data transmission

Pulse or digital communications – Multilevel

Reexamination Certificate

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Reexamination Certificate

active

07027522

ABSTRACT:
A differential data transmission system that transmits encoded data symbols as differential signals. A signal for transmitting symbols on a set of at least three parallel channels, each channel having a first terminal, P1to PN, and each channel having a second terminal connected to a common node Z. The signal comprising for each symbol an active signal on two of those channels and an inactive signal on the remaining channel or channels, the symbols being distinguishable by which two of the channels have the active signals.

REFERENCES:
patent: 5635862 (1997-06-01), Abramson et al.
patent: 5761244 (1998-06-01), Hedberg
patent: 6229472 (2001-05-01), Nishida
patent: 6525559 (2003-02-01), Wu et al.
patent: 0 458 390 (1991-11-01), None
patent: 1 041 782 (2000-10-01), None
patent: 2 060 317 (1981-04-01), None
patent: WO 92/02988 (1992-02-01), None
patent: WO 98/28887 (1998-07-01), None

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