Portable information terminal device using a single imaging element to perform identity verification
US6856695B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 1, 2000 |
| Grant date | Feb 15, 2005 |
| Priority date | — |
| Expiry date | Sep 26, 2022 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04M1/0214
- WIPO fieldTelecommunications
- WIPO sectorElectrical engineering
Abstract
A portable information terminal device comprising: an enclosure of the portable information terminal device, an imaging element provided within the enclosure, a first lens provided within the enclosure for the imaging element, a second lens, which focal length is shorter than that of the first lens, provided within the enclosure for the imaging element, a lens selection means, provided within the enclosure, for selecting one of the first lens and the second lens so that a focal point of a selected lens is at the imaging element, and a transparent plate for pressing a tip of a finger of a user of the portable information terminal device, wherein the imaging element captures a fingerprint of the tip of the finger on the transparent plate by the second lens selected by the lens selection means.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.