Patent ID: 6259082
Filing Date: 2001-07-10
Classification: G02B,H04N

Abstract:
An image reading apparatus comprising:a light source for irradiating a document sheet with light;an elongated light-leading member for propagation of light emitted from the light source, the light-leading member being provided with a head surface, a bottom surface, a first side surface and a second side surface, the first and second side surfaces extending between the head surface and the bottom surface;a row of image sensor chips for detecting light reflected on the document sheet; anda circuit board for carrying the image sensor chips;wherein the light source is mounted on the circuit board together with the image sensor chips, the light source being spaced from the row of the image sensor chips on the circuit board, the light source facing the bottom surface of the light-leading member, the head surface of the light-leading member being offset from the bottom surface in a direction from the light source to the row of image sensor chips.