Data transmission system of directional coupling type using...

Details Data transmission system of directional coupling type using... Data transmission system of directional coupling type using...

2006-01-03

2006-01-03

Bayard, Emmanuel (Department: 2638)

Pulse or digital communications

Cable systems and components

C326S086000

Reexamination Certificate

active

06983023

ABSTRACT:
A memory module bus system using a plurality of directional couplers to permit high-density packaging. A wiring line (main line) extending from a main controller and cooperating with a sub coupling line to form a directional coupler is open-ended or short-circuited to ensure that a forward wave and a reflection wave can be used to generate signals in opposite directions of the directional coupler. Memory modules are connected to opposite ends of the sub coupling line. The line length of the coupler can be half the pitch between the memory modules.

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patent: 6745268 (2004-06-01), Greeff et al.
patent: 6810449 (2004-10-01), Barth et al.

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