Patent ID: 7446912
Filing Date: 2008-11-04
Classification: H04N

Abstract:
1. An image reading apparatus comprising: a document conveyance unit mounted movably from a position facing an upper surface of a document table to an upper position for conveying a document medium to place said document medium on said document table; a reading unit having an aperture for optically reading information from said document medium; a shielding member arranged to be slidable in a direction parallel to said upper surface of said document table for shielding said aperture; a detection unit for detecting whether said document conveyance unit covers said upper surface of said document table; and a control unit for controlling movement of said shielding member, wherein said control unit moves said shielding member to a position at which said aperture is shielded where said detection unit detects that said document conveyance unit does not cover said document table, and wherein said control unit moves said shielding member to a position at which said aperture is open where said detection unit detects that said document conveyance unit covers said document table.