Optical scanners having dual surface optical elements for...

Optical scanning apparatus

Optical scanning apparatus for the acquisition and...

Optical scanning arrangement and article useful therewith

Optical scanning arrangement and article useful therewith

Optical scanning system

Optical security element

Optical security element and system for visualising items of...

Optical sensor system for a bill validator

Optical signal transmission system for electro-optical tag

Optical signature to enable image correction

Optical spatial logic arrangement

Optical static card reader

Optical symbol (bar code) reading systems and devices

Optical symbol (bar code) reading systems and devices

Optical symbol reading device

Optical system design for a universal computing device

Optical system for a large depth-of-field bar code scanner

Optical system for optical fiber bundle scanning apparatus

Optical systems for random access readout of composite...