Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2000-04-17
2004-08-10
Gary, Erika (Department: 2681)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S573000, C455S423000, C455S425000, C455S127100, C455S404100, C455S067110
Reexamination Certificate
active
06775562
ABSTRACT:
FIELD OF THE INVENTION
The present invention relates to communication systems and more particularly to a remote battery replacement notification system and method.
BACKGROUND OF THE INVENTION
In the future telecommunication services that have traditionally been delivered by cable will be delivered by fiber optics or wireless channels. Fiber optics and wireless channels are not designed to carry power as Plain Old Telephone Service (POTS) does presently. As a result, subscriber units at a customer's location may be locally powered with battery back-up. The battery back-up will maintain continuous service of the telecommunication services during a commercial power failure. The batteries have a long but finite lifetime and the customer may not remember to check their batteries. Failure to replace the batteries will result in the customer losing their telecommunication services during power outage.
Thus there exist a need for a battery replacement notification system and method.
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Goering Scott Christopher
Owens Michael Kevin
Gary Erika
Law Office of Dale B. Halling LLC
Nguyen Huy
SBC Properties LP
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