Image scanning apparatus and method to control a light source that an intensity of light irradiated to any one of a plurality of lines of the document from the light source equal to an intensity of light irradiated to another line

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United States of America Patent

PATENT NO 8582172
APP PUB NO 20110134446A1
SERIAL NO

12926777

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Abstract

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The image scanning apparatus includes a light source including at least one light emitting diode (LED) to irradiate light to a document which is a scan target, a light source control unit to control a lighting-up point of time of the light source, an image sensor to transform an image formed by light reflected from the document into an electric signal according to a result of controlling the lighting-up point of time, and an output unit to output image data corresponding to the transformed electric signal.

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Patent Owner(s)

Patent OwnerAddress
HEWLETT-PACKARD DEVELOPMENT COMPANY L P10300 ENERGY DRIVE MAIL STOP 35 SPRING TX 77389

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Kim, Kyung-rok Seongnam-si, KR 23 161
Lee, Jae-kyu Seoul, KR 49 325

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