Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Device and method for obtaining a plain image of multiple fingerprints

Device and method for obtaining a plain image of multiple fingerprints

US Patent 5650842 · Granted Jul 22, 1997

Estimated economic value: $3,575,000 ⓘ

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Low settle time micro-scanning system2013
Optically based planar scanner2013
High performance multi-mode palmprint and fingerprint scanning device and system2012
Multi-color illumination device in fingerprint imaging system with microprism di2008
High performance fingerprint imaging system2007
Apparatus and method for optically imaging features on the surface of a hand2001
Heated optical platen cover for a fingerprint imaging system1998
Method and device for reducing smear in a rolled fingerprint image1998
Method and device for reducing smear in a rolled fingerprint image1998
Electro-optic palm scanner system employing a non-planar platen1996
Electro-optic palm scanner system employing a non-planar platen1996
Apparatus for producing fingerprint images which are substantially free of artif1995