1. Virtual touch screen keyboard no nam resistors so yɛ ahyɛde ahorow no.
2. .Capacitive touch a ɛwɔ soro no .Ɔyɛ ahyɛdeɛ denam temperature sensing so.
3. Capacitive touch screens .yɛ nea ɛyɛ mmerɛw kɛse nnɛ, mfiri a nyansa wom dodow no ara de di dwuma .Capacitive touch screens ..
Boa a wɔbɔ: A .Resistive touch screen .yɛ sensor a ɛdannan honam fam gyinabea a ɛwɔ touch point (x, y) no mu wɔ ahinanan beae bi ma ɛyɛ voltages a egyina hɔ ma x ne y coordinates. LCD module pii de di dwuma .Resistive touch screen ahorow a wɔde di dwuma .. Saa screen yi betumi de wires anan, anum, ason anaa awotwe adi dwuma de ayɛ screen bias voltage na akenkan voltage no wɔ touch point no so.
NoCapacitive touch a ɛwɔ soro no .Technology de mprempren induction a ɛwɔ onipa nipadua mu no yɛ adwuma. NoCapacitive touch a ɛwɔ soro no .yɛ anan-layer composite glass screen. Wɔde ITO a wɔde akata so no akata ahwehwɛ a ɛwɔ mu no so ne nea ɛwɔ ahwehwɛ no mu no mu biara so. Nea ɛwɔ akyi pɛɛ no yɛ silica ahwehwɛ a ɛbɔ ho ban a ɛyɛ tratraa. Wɔde interlayer ITO coating no di dwuma sɛ adwumayɛbea, na wɔde ntwea anan no led out electrode anan, ITO a ɛwɔ mu no yɛ shielding layer a ɛbɛma adwumayɛ tebea ayɛ papa. Sɛ nsateaa bi ka dadeɛ a ɛwɔ so no, ɛnam anyinam ahoɔden a ɛwɔ onipa nipadua mu nti, coupling capacitor bi yɛ nea ɔde di dwuma no ne nea ɔde touch screen no ani no ntam. Wɔ soro-frequency current no, capacitor no yɛ direct conductor, enti nsateaa no twe current ketewa bi fi contact point no so. Saa current yi sen fi electrode ahorow a ɛwɔ touch screen no ntwea anan no so, na current a ɛsen fa saa electrode anan yi mu no ne kwan a efi nsateaa no so kɔ ntwea anan no so no hyia. Controller no bu touch point no gyinabea ho akontaa denam ratio a ɛwɔ saa currents anan yi mu pɛpɛɛpɛ. .
