Patent ID: 6856695
Filing Date: 2005-02-15
Classification: G06K,H04M

Abstract:
1. A portable information terminal device comprising: a first enclosure and a second enclosure of said portable information terminal device freely openable and closable about a hinge mechanism; an imaging element provided within said first enclosure; a first lens provided within said first enclosure for said imaging element; a second lens, a focal length of which being shorter than that of said first lens provided within said first enclosure for said imaging element; a lens selection means, provided within said first enclosure, which, in response to an opening and a closing operation of said first and second enclosures, selects one of said first lens and said second lens, so that, in an open condition a focal point of said first lens is established at said imaging element, and in a closed condition a focal point of said second lens is established at said imaging element; and a transparent plate, provided on said second enclosure, to which a tip of a finger of an user of said portable information terminal device is attached; wherein said imaging element captures an image of a fingerprint of said tip of the finger on said transparent plate by said second lens selected by said lens selection means.