Illumination – Self powered lamp – Rechargeable electrical source of with external connections
Reexamination Certificate
2011-08-16
2011-08-16
Lee, Y My Quach (Department: 2885)
Illumination
Self powered lamp
Rechargeable electrical source of with external connections
C362S268000
Reexamination Certificate
active
07997752
ABSTRACT:
A lighting device includes a light collecting unit, a solar cell panel, a storage battery, a lighting element and a control unit. The light collecting unit includes a lens exposed to outside light, and an optical leveling element. The optical leveling element includes a light guide plate having a dot pattern arranged thereon and facing toward the lens module. A refractive index of the dot pattern gradually increases from a center to a periphery. The solar cell panel is aligned with the optical leveling element, and is configured for receiving light transmitted through the optical leveling element and converting the light into electrical energy. The control unit is connected to the solar cell panel and the storage battery, and is configured for controlling the solar cell panel to power the storage battery and controlling the storage battery to power the lighting element.
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patent: 6950238 (2005-09-01), Tsai et al.
patent: 2003/0137831 (2003-07-01), Lin
patent: 2007/0091594 (2007-04-01), Soon
patent: 2007/0235071 (2007-10-01), Work et al.
patent: 2008/0272278 (2008-11-01), Shewa et al.
Cheng Andrew C.
Hon Hai Precision Industry Co. Ltd.
Lee Y My Quach
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