Scanning device with multiple LED light sources and...

Details Scanning device with multiple LED light sources and... Scanning device with multiple LED light sources and...

2011-04-05

2011-04-05

Lee, Cheukfan (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S474000, C358S497000, C358S482000, C358S483000, C358S514000, C358S505000

Reexamination Certificate

active

07920303

ABSTRACT:
A scanning device with multiple LED light sources and an application thereof. The scanning device includes a housing, a chassis, a main LED light source and an auxiliary LED light source. A horizontal plane of the housing is connected to a sloped plane of the housing to form a connecting section. The main LED light source has a length extending in a longitudinal direction substantially perpendicular to a moving direction of the chassis. The main LED light source provides a main light ray to illuminate the horizontal plane, and includes a first circuit board mounted on the chassis and first LEDs mounted on the first circuit board. The auxiliary LED light source includes a second circuit board mounted on the chassis and a second LED mounted on the second circuit board. The second LED provides an auxiliary light ray to illuminate the connecting section.

REFERENCES:
patent: 6144475 (2000-11-01), Sheng
patent: 7233419 (2007-06-01), Chang
patent: 7538915 (2009-05-01), Lee et al.
patent: 2004/0218231 (2004-11-01), Sheng et al.

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