Patent ID: 11956397
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  G | IPC G  H

Claim 0:
1. An image reading device comprising:
a lens array including a plurality of lenses arranged in a main scanning direction, the plurality of lenses forming an erect unmagnified optical system and configured to converge light from a reading target;
a holder extending in the main scanning direction and holding the lens array on two sides of the lens array in a direction intersecting the main scanning direction;
a light receiver to receive the light converged by the plurality of lenses; and
a plurality of slit units each including side plates and three or more light shielding plates, each of the three or more light shielding plates separating an optical path of one of the plurality of lenses from an optical path of another of the plurality of lenses between the lens array and the light receiver, the side plates being disposed on two sides of the three or more light shielding plates in the direction intersecting the main scanning direction and connecting the three or more light shielding plates by connecting adjacent light shielding plates, wherein
the plurality of slit units are arranged in the main scanning direction, and
each two adjacent slit units included in the plurality of the slit units are arranged with a space therebetween for one optical path of one lens included in the plurality of lenses.