Patent ID: 9253358
Filing Date: 2016-02-02
CPC Classification: G02B,H04N

Claim Text:
1. An original document reading apparatus which illuminates and reads an original document, comprising: a photoelectric conversion element configured to receive reflected light from the original document, and to convert the reflected light into an electrical signal, a metallic substrate; a plurality of light emitting elements mounted in an array on the metallic substrate; a light guide configured to guide light emitted from the plurality of light emitting elements toward the original document; and a base member configured to support the light guide, wherein a light incident surface of the light guide is configured to face light-emitting surfaces of the plurality of light emitting elements, and the light guide is fixed to the metallic substrate, wherein the plurality of light emitting elements are disposed on a first surface of the metallic substrate, and part of a second surface of the metallic substrate that is the reverse of the first surface contacts with the base member, and wherein the light guide is fixed to the base member after adjusting an optical axis of the light guide by rotating the light guide relative to the base member using the part of the second surface as a rotational axis.