Close-up imaging device using a CMOS photosensitive element

Coherent optical feature identifier apparatus

Coin-type determining device

Color-sensitive currency verifier

Compact image pickup module

Compact optical fingerprint sensor and method

Composition and method for hidden identification

Composition, method and apparatus for providing a coded hidden i

Contact detection sensor and contact detection method

Contact pattern observation apparatus

Continuous feed holographic correlator for randomly oriented wor

Counterfeit detection apparatus

Counterfeit detection system

Counterfeit detection viewer apparatus for paper currency

Counterfeit money detector with front hood

Detecting luminescent security features

Detection of printing and coating media

Determination of gloss quality

Device and method for obtaining a plain image of multiple finger

Device and method for the detection of particles