Back to results
US 11,044,378 B2Granted
Optical device, image reading device, and imaging forming apparatus
AssigneeFUJIFILM Business Innovation Corp.
InventorsMotohiro Asano, Masaki Hachisuga
Life of this patent
Estimating the term…
Abstract
An optical device includes: a lens body having multiple lenses arranged such that optical axes thereof are parallel to one another; a light-shielding wall that is disposed for the lens body and blocks, in an optical axis direction, portion of light directed to the multiple lenses; and a sheet member that covers a surface of the light-shielding wall, the surface being perpendicular to the optical axes, and allows light to pass therethrough.
Claims20
An optical device comprising:
- a lens body having a plurality of lenses arranged such that optical axes thereof are parallel to one another;
- a light-shielding wall that is disposed for the lens body and blocks, in an optical axis direction, a portion of light directed to the plurality of lenses;
- and
- a sheet member that covers a surface of the light-shielding wall, the surface being perpendicular to the optical axes, and allows light to pass therethrough,
- wherein the light-shielding wall is thicker than the sheet member.
2 more elements
Dependencies are inferred from the claim text.