Adjustable guide for viewing biometric surface patterns

Image analysis – Applications – Personnel identification

Reexamination Certificate

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Reexamination Certificate

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07031502

ABSTRACT:
A guide can provide proper registration of an object such as a hand above a scanner device for imaging. The guide can include windows or slits so that the scanner device can produce an image such as a finger or palm in a natural state rather than being pressed against, for example, a flat surface such as glass. Thus, registration of a palm and/or a finger in the guide can be used to produce non-distorted high quality images of biometric patterns in their natural 3-dimensional state.

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patent: 6137896 (2000-10-01), Chang et al.
patent: 6301370 (2001-10-01), Steffens et al.
patent: 6504945 (2003-01-01), Helot et al.

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