Patent №
US 7,953,259
Granted
2011-05-31
Filed 2010
Owner
CROSS MATCH TECHNOLOGIES, INC.
Lab
—
AI components
1
vision
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
12824765
An improved apparatus and method for obtaining images through a prism are provided. In an embodiment, a thin fingerprint prism wedge, with a geometry designed to minimize foreshortening and maximize contrast, is provided in an optical path between an optical sensor and an object to be imaged. In some embodiments, the apparatus operates on the principle of internal surface reflections instead of total internal reflection (TIR).
AI classification
Ownership
CROSS MATCH TECHNOLOGIES, INC.
assignment · 246640760
Assignors
MCCLURG, GEORGE W.
On an employer assignment, the assignors are typically the inventors.