Smart Scanners

Smart Scanners, here refer to those optical readers that can read printed barcodes or QR code, decode the data contained in the barcode or QR code and send the data to a computer. They consist of a light source, a lens and a light sensor translating for optical impulses into electrical signals.

Types of scanners:
♦ Pen-type readers
♦ Laser scanners
♦ CCD readers (also known as LED scanners)
♦ Camera-based readers
♦ Video camera readers
♦ Large field-of-view readers
♦ Omnidirectional barcode scanners
♦ Cell phone cameras
♦ Smartphones

Barcode or QR code readers can be distinguished based on housing design as follows:
♦ Handheld scanner
♦ PDA scanner (or Auto-ID PDA)
♦ Automatic reader
♦ Cordless scanner (or Wireless scanner)