Method and apparatus for interface signaling using...

Miscellaneous active electrical nonlinear devices – circuits – and – Specific signal discriminating without subsequent control – By amplitude

Reexamination Certificate

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C327S071000

Reexamination Certificate

active

06933752

ABSTRACT:
A method and apparatus for interface signaling using single-ended and differential data signals improves performance of an interface. A differential pair of data signals and at least one single-ended data signal are transmitted over the interface. The differential pair of data signals is received by a differential receiver and the single-ended data signals are received by a receiver that uses the differential pair of data signals to improve the detection of the single-ended data signal. A novel receiver having a differential input and a single-ended input combines the differential pair of data signals with a single-ended data signal to detect the single-ended data signal providing improved common-mode rejection and reducing the error rate of the single-ended signal. Multiple single-ended signals may be associated with one differential signal, providing a scalable architecture grouping a number of single-ended signals with each differential pair of signals.

REFERENCES:
patent: 3743856 (1973-07-01), Leuthold
patent: 4167727 (1979-09-01), Anderson et al.
patent: 4649301 (1987-03-01), Van Tran
patent: 4670673 (1987-06-01), Varadarajan
patent: 5936466 (1999-08-01), Andoh et al.
patent: 5936469 (1999-08-01), Alexander et al.

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