Patent ID: 8107138

Claim:
An image sensing apparatus, comprising: a light source that shines light on an illumination portion of a document across the entire range in a primary scan direction; a first mirror that receives incident light scattered by reflection from the document, to reflect the scattered light in a secondary scan direction; a plurality of first concaved aspheric mirrors that collimates light beams from the first mirror, to reflect therefrom the collimated light beams as substantially collimated light fluxes; a plurality of apertures that passes therethrough the light beams from the first aspheric mirrors, each of the plurality of apertures selectively passing the light beams therethrough; a plurality of second concaved aspheric mirrors that receives light beams incident from the plurality of apertures, to reflect the incident light beams as converging light beams; a second mirror that reflects the light beams in a direction perpendicular to the surface of the document, disposed on a path of the light beams to be converged by means of the respective second aspheric mirrors; and a plurality of light receivers each having a light-receiving area where the light beams from the second mirrors are incident, and images are thereby formed according to the light beams from the respective apertures.