An image scanning device includes: a light source; a light guide for converting light from the light source into a linear light beam and applying the linear light beam onto a reading position; an image reading element for receiving the light beam reflected from the reading position; and a light intensity sensor for detecting an intensity of the light emitted from the light source.
申请公布号
US8570615(B2)
申请公布日期
2013.10.29
申请号
US201113080732
申请日期
2011.04.06
申请人
YAMAMURA AKIRA;TANAKA MASAHIKO;SAWADA KENJI;AKAHORI YUICHI;KONICA MINOLTA BUSINESS TECHNOLOGIES, INC.