Optical recording card and method of reading the same

Optical scan arrangement for optical character recognition...

Optical scanner and method for producing a scanning pattern

Optical scanner for reading bar codes detected within a...

Optical scanner including an aperture design for...

Optical scanner lens system

Optical scanner using planar reflecting holograms

Optical scanner with extended depth of focus

Optical scanner with large depth in focus

Optical scanners having dual surface optical elements for...

Optical scanners having dual surface optical elements for...

Optical scanning apparatus

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