Electrical transmission or interconnection systems – Plural supply circuits or sources – Substitute or emergency source
Reexamination Certificate
2008-05-07
2009-12-01
Fleming, Fritz M (Department: 2836)
Electrical transmission or interconnection systems
Plural supply circuits or sources
Substitute or emergency source
Reexamination Certificate
active
07626284
ABSTRACT:
A power system is designed for providing reliable electrical power to a telecommunications facility and/or associated devices. The system includes a DC bus adapted to receive electrical power from a primary energy source. A switch is provided for switching from the primary energy source to a secondary energy source. Additionally, the system includes one or more capacitors electrically connected into the DC bus. The one or more capacitors hold a charge so that power is maintained to the DC bus as a switch is made from the primary energy source to the secondary energy source.
REFERENCES:
patent: 6080504 (2000-06-01), Taylor et al.
patent: 6816466 (2004-11-01), Daniel
patent: 2001/0022472 (2001-09-01), Codina et al.
patent: 2002/0066270 (2002-06-01), Rouse et al.
Fleming Fritz M
Parries Dru M
Sprint Communications Company L.P.
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