Which semiconductor device is used in bar code reader?

which technology is particularly used in barcode wand reader and barcode slot reader   Dan which nvme slot to use

Usually a laser diode is used as the light source The beam is reflected off the barcode and back into the gun through a large lens to a photo detector A

Which technology is particularly used in barcode wand reader and barcode slot reader? · Camera based reader · Laser scanner · QR code scanner · Pen Other scanner types used over the decades include omnidirectional bar code laser high-speed scanners, video camera readers, down to miniature (

verdens største slot Which technology is particularly used in barcode wand reader and barcode slot reader? · Camera based reader · Laser scanner · QR code scanner · Pen BARCODE READERS — Keyboard wedge RS-232, PC, Mac, Most data terminal interfaces I INPUT DEVICES — Laser, CCD, Wand, Slot Reader, Mag Stripe Suite B14