Patent ID: 6952289
Filing Date: 2005-10-04
Classification: H04N

Abstract:
1. An integrated image reading/writing head comprising: a substrate provided with a reading circuit including a plurality of light receiving elements disposed in a row; a case assembled to the substrate and enclosing the light receiving elements; a transparent cover attached to the case, the transparent cover being spaced from and opposed to the substrate for contact with a document being fed; a light source disposed within the case for illuminating the document; a plurality of lenses disposed within the case for focusing an image of the document illuminated by the light source on the light receiving elements; a plurality of printing elements mounted on the substrate in a row parallel to the row of light receiving elements; and a writing circuit provided on the substrate for controlling the printing elements; wherein the reading circuit, the printing elements and the writing circuit are provided on a same surface of the substrate; wherein the substrate is provided with one connector electrically connected with each of the reading circuit, the printing elements and the writing circuit; wherein the substrate has an elongate edge extending in a predetermined direction; wherein the connector is attached to a longitudinal center portion of the elongate edge; wherein the surface of the substrate is provided with a common electrode wiring and a common grounding wiring capable of supplying electric power to the printing elements, each of the common electrode wiring and the common grounding wiring having a straight portion extending longitudinally of the substrate, the straight portions of both wirings sandwiching the printing elements; wherein one of the straight portions having two longitudinal ends connected with the connector; and wherein the other of the straight portions having a longitudinal center portion connected with the connector.