Light guide optical system, document illuminating device...

Details Light guide optical system, document illuminating device... Light guide optical system, document illuminating device...

2008-09-17

2010-12-21

Lee, Cheufkan (Department: 2625)

Facsimile and static presentation processing

Facsimile

Picture signal generator

C358S475000, C358S483000, C358S497000, C358S474000, C250S227110, C250S208100, C362S551000

Reexamination Certificate

active

07855815

ABSTRACT:
A light guide optical system guides a plurality of light beams emitted from a plurality of point light sources arranged linearly to a predetermined surface. The light guide optical system has a plurality of optical surfaces arranged periodically in the arrangement direction of the plurality of point light sources. Each of the plurality of optical surfaces has power in the arrangement direction of the plurality of point light sources.

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