Resistance touch a ɛwɔ hɔ no ho mfonini .: Ɛyɛ multilayer transparent conductive plate. Nneɛma abien a ɛma wotumi hu ade a ɛma wotumi hu ade a wɔde ka ade no betumi ahu nhyɛso nsɛnkyerɛnne a efi nsaano nkyerɛwee kyerɛwdua, nnadewa ne nneɛma biara a ɛyɛ den mu. Mpɛn pii no, dade conductive layers abien a ɛyɛ mmerɛw no yɛ nea wɔabɔ ho ban afi wɔn ho wɔn ho ho. Sɛ nneɛma a ɛyɛ den te sɛ nsaano nkyerɛwee kyerɛwdua ka screen no ani a, dade conductive layer a edi kan no yɛ deforms na nea ɛto so abien no sɛe. Sɛ dadeɛ conductive layer no di nkitaho a, ɔkwan bi yɛ dadeɛ conductive layers mmienu no ntam. Esiane sɛ metal conductive layers abien no gyina ano nti, constant voltage (5V) no bɛbrɛ ase bere a ɛsen fa dade conductive layers abien no mu no. Sɛnea saa su yi kyerɛ no, touch screen circuit no betumi anya voltage value no wɔ depressurization no akyi de akyerɛ sɛ coordinate a pressure no fi mu ba, na ɛnam so ahu beae a touch screen no wɔ. ; ;
Capacitance touch screen .: Onipa nipadua, nsateaa ano a ɛka screen no ne screen no ani no fi awosu mu bɛyɛ coupling capacitance. Coupling capacitance no betumi ada no adi yiye wɔ-frequency current signals a efi nipadua no mu. Sɛ yɛde abɔdeɛ mu nsuo a ɛwɔ hɔ no su di dwuma a, electrode a wɔkyekyɛ wɔ screen no ntwea anan no so no tumi nya-frequency current nsɛnkyerɛnneɛ a ɛkorɔn no firi onipa nipadua mu a ɛfa nsateaa ano, ne ɛsiane sɛ nkitahodiɛ no gyinabea yɛ soronko nti. Electrodes a ɛwɔ ntwea anan no so no nya current intensities ahorow. Wobetumi nso anya nsɛm a ɛka nneɛma no nsusuwii denam ntotoho adwumayɛ so, na ɛnam so ama wɔahu sɛnea screen no gyina.
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