Portable information terminal device using a single imaging...

Details Portable information terminal device using a single imaging... Portable information terminal device using a single imaging...

2005-02-15

2005-02-15

Wu, Jingge (Department: 2623)

Image analysis

Applications

Personnel identification

C455S410000, C455S575300, C379S093030, C379S433130

Reexamination Certificate

active

06856695

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.

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Japanese Office Action dated Sep. 24, 2002 with English translation.

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