DENSO
QK30 Scanner
The QK30 scanner is specifically designed to read 1 D and 2-D barcodes displayed on the LCD screens of cell phones and other mobile devices, as well as codes printed on paper, using DENSO’s Interleaving Media Scanning Technology (IMST).The compact QK30 is 50 percent thinner than previous models, yet has a 30 percent larger scanning area, allowing it to quickly scan large-screen smartphones. Applications include e tickets, e-coupons and e membership cards.
https://www.denso-wave.com/en/adcd/product/qrcode/scanner/qk30.html