Apparatus for and method of generating a time reference
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United States of America Patent
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Oct 29, 2013
Grant Date -
Jan 27, 2011
app pub date -
Mar 11, 2010
filing date -
Jul 10, 2006
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Abstract
In one embodiment, a system is configured to generate a time reference where the system includes a bi-directional loop configured to have a first propagation speed in a first direction and a second propagation speed in a second direction, wherein the first propagation speed is substantially equal to the second propagation speed. In one embodiment, the system further includes a plurality of system elements coupled to the bi-directional loop, wherein each respective system element of the plurality of system elements is configured to determine a time reference common to each as an average arrival time at the respective system element of a first signal transmitted in the first direction over the bi-directional loop and a second signal transmitted in the second direction over the bi-directional loop.
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