Bar code printers; Bar code readers; Barcode readers; Electronic and electrical apparatus, namely, ticket issuing, reading and recording machines; Electronic and electrical apparatus, namely, voucher issuing, reading and recording machines; Electronic book readers; Electronic pens; Optical character recognition (OCR) apparatus; Optical character recognition apparatus; Optical readers; Optical scanners; Portable and handheld digital electronic devices for recording, organizing, transmitting, m...