Telephonic communications – Telephone line or system combined with diverse electrical... – Having transmission of a digital message signal over a...
Reexamination Certificate
2007-02-20
2007-02-20
Woo, Stella (Department: 2614)
Telephonic communications
Telephone line or system combined with diverse electrical...
Having transmission of a digital message signal over a...
C379S093070
Reexamination Certificate
active
10356364
ABSTRACT:
Certain embodiments of the invention provide network interface devices, as well as systems and methods for using them. For instance, in accordance with some embodiments, a network interface device can comprise an isolation device, which can be configured to isolate an internal transport medium from an external transport medium, such that operational changes to the internal transport medium do not affect the external transport medium, and operational changes to the external transport medium do not affect the internal transport medium.
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Brodigan Donald L.
Campbell Kurt A.
Casey Steven M.
Cook Charles I.
Phillips Bruce A.
Qwest Communications International Inc.
Townsend and Townsend / and Crew LLP
Woo Stella
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