Izinzwa ze-Optical Fingerprint
Ukuthwebula izigxivizo zeminwe kuhlanganisa ukuthwebula isithombe sedijithali sokuphrinta usebenzisa ukukhanya okubonakalayo. Lolu hlobo lwenzwa, empeleni, ikhamera yedijithali ekhethekile. Isendlalelo esiphezulu senzwa, lapho umunwe ubekwe khona, saziwa njengendawo yokuthinta. Ngaphansi kwalolu ungqimba kukhona ungqimba lwe-phosphor olukhipha ukukhanya olukhanyisa ubuso bomunwe. Ukukhanya okuvela emunweni kudlula kusendlalelo se-phosphor kuye kuchungechunge lwamaphikseli wesimo esiqinile (idivayisi ehlanganiswe neshaji) ethwebula isithombe esibonakalayo sezigxivizo zeminwe. Indawo yokuthinta eklwetshiwe noma engcolile ingabangela isithombe esibi sezigxivizo zeminwe. Ububi balolu hlobo lwezinzwa yiqiniso lokuthi amandla e-imaging athintwa izinga lesikhumba emunweni. Isibonelo, umunwe ongcolile noma omakiwe kunzima ukuwuthwebula kahle. Futhi, kuyenzeka ukuthi umuntu agugule ungqimba olungaphandle lwesikhumba eminweni kuze kube yilapho umgxivizo weminwe ungasabonakali. Kungase futhi kukhohliswe kalula isithombe sezigxivizo zeminwe uma singahlanganiswa nomtshina "womunwe ophilayo". Kodwa-ke, ngokungafani nezinzwa ze-capacitive, lobu buchwepheshe bezinzwa abunabungozi bokulimala kokukhishwa kwe-electrostatic.