Method and apparatus for providing energy to a lighting system
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United States of America Patent
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-
Jun 27, 2000
Grant Date -
N/A
app pub date -
Nov 20, 1998
filing date -
Nov 20, 1998
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A system for delivering power to a battery and to a load includes a power source that supplies energy to the battery and the load. The battery can be charged by the power source and used to supply energy or power to the load when the power source is unable to provide sufficient energy and power to the load. The system reduces injection of DC current into the load and, as a result, extends the operation life of the load, particularly if the load is an AC lighting or lamp system. The system operates the load in an optimal manner such that battery storage is maintained at near full charge, yet the lighting load operates for a maximum number of hours per night. The benefit of the system is to prevent early failure of either the lighting load or the battery.
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