Electricity: battery or capacitor charging or discharging – Wind – solar – thermal – or fuel-cell source
Reexamination Certificate
2009-03-17
2010-12-07
Tso, Edward (Department: 2858)
Electricity: battery or capacitor charging or discharging
Wind, solar, thermal, or fuel-cell source
C320S134000, C320S135000, C307S048000, C323S231000
Reexamination Certificate
active
07847512
ABSTRACT:
The solar powered direct current (DC) load system is a reliable, versatile and user friendly system; it uses solar energy and rechargeable battery powering at least one type of DC load which are: a type of motor operation such as water pump and a type of at least one LED; the system comprises a battery discharge control circuit and a battery output circuit for DC load (FIG.1), at least one rechargeable battery source (42-F1) which is protected by a preset voltage that limits the lowest discharge level, the circuits in the FIG.1are able to combine the circuits in FIG.2and FIG.3which enable operations of the day time and night time DC load to synchronize the day and night cycles; FIG.4is a combination system which incorporates circuits in the FIG.1and FIG.2to create a water pumping system combined an illumination system which can turn on and off automatically; FIG.4awith a switch and additional LEDs in addition to the FIG.4; FIG.5is a combination system that incorporates circuits in the FIG.1and FIG.3to create a water pumping system that works during the day and shuts down at night automatically; FIG.5awith a switch in addition to the FIG.5; FIG.6is a combination system which incorporates FIG.1and FIG.2circuits to create an illumination system that has at least one LED which can turn off in the morning and turn on at the evening automatically.
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Author: James L. Rogers, title: The complete patent kit, publisher: Sphinx publishing, An Imprint of Sourcebooks, Inc., published: 2005, in Naperville, IL, USA.
Fantu Yalkew
Tso Edward
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