Communications: electrical – Visual indication – Using light emitting diodes
Reexamination Certificate
2006-11-02
2009-02-24
Crosland, Donnie L (Department: 2612)
Communications: electrical
Visual indication
Using light emitting diodes
C340S321000, C340S601000, C340S333000, C340S539100, C340S693200, C455S404100, C455S573000, C455S090100, C455S127100, C320S114000, C322S001000, C362S193000
Reexamination Certificate
active
07495577
ABSTRACT:
A multipurpose radio is disclosed to include a power control unit, which uses a rechargeable battery to provide the necessary working voltage to a LED lamp for illumination, a hand-driven dynamo to generate electricity for recharging the rechargeable battery, a power adapter for charging the rechargeable battery with city power supply, a radio circuit unit for receiving AM and FM radio broadcasting signals, TV audio signals and NOAA signals, and a function mode display unit, which uses a speaker for voice output, a screen for data display, and a selector key for frequency selection.
REFERENCES:
patent: 7019492 (2006-03-01), Baker et al.
patent: 7239237 (2007-07-01), Hess
Crosland Donnie L
Rosenberg , Klein & Lee
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