Patent ID: 7403271
Filing Date: 2008-07-22
Classification: G06K

Abstract:
1. An optical fingerprint input device for a mobile apparatus comprising: a fingerprint input member made of a thin plate-shaped and light-penetrative material, and formed thereon with an incident surface for receiving fingerprint images and an inclined surface at one side contacting the incident surface; a distortion correcting member made of a box-shaped and light penetrative material and disposed with an incident surface opposite to the inclined surface of said fingerprint input member and an inclined surface oppositely formed to the incident surface of said distortion correcting member and reversely inclined relative to the inclined surface of said fingerprint input member; an image-forming unit for forming fingerprint images penetratively reflected from the inclined surface of said distortion correcting member; and an image sensor for receiving the fingerprint images formed by said image forming unit to generate a signal corresponding to the input images.