Telephonic communications – Diagnostic testing – malfunction indication – or electrical... – Testing of subscriber loop or terminal
Reexamination Certificate
2005-04-05
2005-04-05
Nguyen, Duc (Department: 2643)
Telephonic communications
Diagnostic testing, malfunction indication, or electrical...
Testing of subscriber loop or terminal
C379S014010, C379S022030, C379S027020
Reexamination Certificate
active
06876726
ABSTRACT:
A method for the direct estimation of configuration parameters defining the make-up of a physical system, such as cable lengths and gauges in the case of telephone subscriber loops, from boundary or end-point measurements of the physical structure, such as the impedance or return loss response of a subscriber loop, due to a probing source.
REFERENCES:
patent: 5747810 (1998-05-01), Schotland
patent: 6215855 (2001-04-01), Schneider
patent: 6487276 (2002-11-01), Rosen et al.
Lechleider Joseph William
Peoples John Terrance
Giordano Joseph
Nguyen Duc
Telcordia Technologies Inc.
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