Object identification using quantum dots fluorescence...

Optical authentication

Optical data processing detection of chemical agents

Optical device for biometric capture by contact and system...

Optical device for forming an image of an uneven surface

Optical finger print input device for mobile apparatus

Optical finger print input device for mobile apparatus

Optical fingerprint imaging device

Optical fingerprinting system

Optical fuel pin scanner

Optical head for an optical authenticity identifing system

Optical identification system using cholesteric liquid crystals

Optical identifier comprising randomly oriented partial faces

Optical imaging device

Optical imaging device suitable for forming images of...

Optical imaging system

Optical scanning and recording apparatus for fingerprints

Optically-based methods and apparatus for performing document au

Optoelectronic document reader for reading UV / IR visible...

Optoelectronic document reader for reading UV / IR visible...