Imaging unit and image reading apparatus

Radiant energy – Photocells; circuits and apparatus – Photocell controlled circuit

Reexamination Certificate

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Details

C250S216000, C250S234000, C358S471000, C358S473000, C382S162000, C382S312000

Reexamination Certificate

active

11263782

ABSTRACT:
A first light source is adapted to illuminate a first object with first light. A first sensor includes a first light receiving element adapted to detect the first light by way of the first object. A second sensor includes a second light receiving element adapted to detect a second light which is externally inputted by way of a second object. A transparent member is disposed on at least one of a first optical path extending from the first object to the first sensor through a first lens and a second optical path extending from the second object to the second sensor through a second lens.

REFERENCES:
patent: 6643038 (2003-11-01), Kawahara et al.
patent: 2002/0048055 (2002-04-01), Yushiya
patent: 2006/0077475 (2006-04-01), Ta Su
patent: 2004-126284 (2004-04-01), None

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