Mfaso a ɛwɔ infrared touchscreen so ne sɛ wobetumi de nsateaa, kyerɛwdua, anaa ade biara a esiw hann ahyɛ mu. Nneɛma bɔne a ɛwɔ infrared touch screen no mu no nyɛ papa sɛ wɔde bedi dwuma wɔ kurukuruwa a wɔde kyerɛ no so, eyi te saa efisɛ ɛda adi pefee sɛ infrared grating matrix no adwuma ho hia na ama wɔahwɛ ahu sɛ wimhyɛn koro no ara, enti adwuma wimhyɛn no kwan tenten a ɛkɔ akyiri a wɔde kyerɛ ade no wɔ ntam kwan kɛse, titiriw wɔ ntwea so, nanso saa sintɔ yi a ɛwɔ flat screen no so no yɛ ahwehwɛ a ɛte saa, saa na nsu a ɛwɔ hɔ no nni hɔ, na ɛnyɛ nea ɛwɔ hɔ. Yebetumi aka sɛ flat panel display a wɔde di dwuma, infrared touch screen no wɔ mfaso kɛse.
Infrared detection mfiridwuma a wɔde wavelength infrared emitter tube koro no ara di dwuma, infrared receiver tube (a wɔfrɛ no infrared tube) betumi ayɛ infrared detection kwan a ɛyɛ mmerɛw:
Bere tenten a nneɛma bi wɔ hɔ a esiw nkitahodi a ɛda infrared ne tube ntam no ano no, sɛnkyerɛnne a ɛgye no no kɔ fam denneennen, enti infrared tumi hu ade no asiw, wɔ anti{0}}wia nhyehyɛe, automatic sensing system, counters ne nhyehyɛe afoforo a wɔde di dwuma kɛse no mu. Infrared Sɛ-range application tiawa no, sɛnea attenuation℃a ɛwɔ received signal no nso betumi ahu℃a wɔasiw ano a, eyi ne SO-a wɔfrɛ no analog mode, analog kwan a ɛwɔ receiver no mu a wɔde dense receiver array di dwuma, nanso wɔde contrast imaging nso di dwuma Sɛnea ɛbɛyɛ a wobesiw ntwitwiridii ano no, infrared detection nso betumi de pulse mode adi dwuma, kyerɛ sɛ, infrared emitting tube no ma frequency sɛnkyerɛnne a ɛwɔ hɔ daa, na nea ogye no ma saa frequency detection yi nkutoo, pulse mode anti{4}}Jamming tumi no yɛ den yiye. Pulse Mode sɛ wɔsesa sɛnkyerɛnne no wɔ adwumayɛ frequency mu, nanso ɛyɛ digyital nkitahodi nso, a ɛyɛ infrared nkitahodi a agye din, ofie mfiri, akyirikyiri control, kɔmputa infrared nkitahodi, ne mpo optical fiber nkitahodi a ɛyɛ ntɛm sen biara, ne nyinaa fi eyi. Infrared nkitahodi nni nkɛntɛnso biara wɔ onipa nipadua so, na launch distance no yɛ tiawa na ahunmu efĩ biara nni hɔ, ɛnnɛ yɛ pro-gaze yiye. Saa ti yi yɛ sɛ wode wo nsa bɛka screen no, wonkyinkyin afoforo, nanso efi abusua a ɛrenya nkɔso yi mu no, wubetumi ahu daakye a ɛyɛ anigye a ɛwɔ infrared touch screen no mu.
