Patent ID: 8553276
Filing Date: 2013-10-08
Classification: G03G,H04N

Abstract:
1. An image reading apparatus that reads an image of an original placed on a contact glass and outputs the read image as printing data according to a paper size or a printing magnification which has been set, comprising: the contact glass having a light control glass part that has transmittance which is changed according to a state of a voltage being applied, and having one side that acts as an original placement surface; a scanner part that reads the original placed on the contact glass and outputs image data of the read original in a storage part; a projector part that projects image information onto the contact glass from a side of the contact glass opposite to the original placement surface; and a control part that controls the voltage to be applied to the light control glass part, wherein at a time of the scanner part being operated, the control part controls the voltage to increase the transmittance of the contact glass, and the projector part stops projecting the image information onto the contact glass, and at a time of the scanner part being not operated, the control part controls the voltage to decrease the transmittance of the contact glass, and the projector part carries out first image displaying of projecting the image data stored in the storage part as the image information onto the contact glass.