Telecommunications – Receiver or analog modulated signal frequency converter – With wave collector
Reexamination Certificate
2007-02-20
2007-02-20
Anderson, Matthew (Department: 2618)
Telecommunications
Receiver or analog modulated signal frequency converter
With wave collector
C455S299000, C455S343500, C455S343600, C455S343200
Reexamination Certificate
active
11341770
ABSTRACT:
A telecommunication system incorporates a vanadium redox battery energy storage system. The vanadium redox battery energy storage system receives and is charged by DC power. Upon power interruption, telecommunication equipment relies on the vanadium redox battery energy storage system to receive DC power. A charger/rectifier monitors received AC power to determine if an AC power interruption is occurring and initiates DC power transmission from the vanadium redox battery energy storage system to the telecommunication equipment.
REFERENCES:
patent: 4786567 (1988-11-01), Skyllas-Kazacos et al.
patent: 6143443 (2000-11-01), Kazacos et al.
patent: 6609081 (2003-08-01), de Varennes et al.
patent: 2004/0121204 (2004-06-01), Adelman et al.
Anderson Matthew
Dao Minh
Stoel Rives LLP
Thompson John R.
VRB Power Systems Inc.
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