Halftone watermarking and related applications

Hand gesturing input device

Hand held data entry apparatus

Hand held optical reader

Hand held optical reading device

Hand manipulated data apparatus for computers and video games

Hand scanner for reading bar codes

Hand writing text input system

Hand-held bar code scanner

Hand-held data capture system with interchangeable modules

Hand-held data capture system with interchangeable modules...

Hand-held data collector with detachable scanner

Hand-held decoder card having a parallax barrier portion and...

Hand-held dual technology identification tag reading head

Hand-held electronic device with a keyboard optimized for...

Hand-held label marking device

Hand-held laser scanning for reading two dimensional bar codes

Hand-held scanner with rotary position detector

Hand-marked lottery selection slip scanning system and method

Hand-operated low cost magnetic character recognition system