CCD optical touchscreens de CCD touch technology di dwuma de di anohyeto ahorow a ɛwɔ touch technologies a ɛwɔ hɔ dedaw no so, na ɛma pɛpɛɛpɛyɛ, mmuae ahoɔhare, ne nkwa nna tu mpɔn kɛse. CCD mfoninitwa mfiri 2 a wɔde ahyɛ soro ntwea so no tumi hu nsateaa pii gyinabea pɛpɛɛpɛ, na ɛma wotumi de tap biako, twetwe, ɛkyinkyini a ɛnyɛ hwee, na ɛma mfonini no yɛ kɛse, a ne nyinaa gyina nsateaa dodow ne baabi a ɛwɔ wɔ ade biara mu. Wɔn a wɔde di dwuma no nso betumi anya anigye a ɛne sɛ wobedi 3D ade a wɔde keka wɔn ho so na wɔne mmoa a wɔde wɔn ho hyɛ mu no adi nkitaho wɔ screen no so denam hann a wɔde ka wɔn so. Nneɛma foforo a wɔyɛ wɔ dijitaal nsɛnkyerɛnne mfiridwuma mu, denam hardware ne software nkɔso a wɔde ka bom so no, de nsɛm a ɛwɔ mu a ɛkɔ akyiri ma, na ɛde nkɛntɛnso tẽẽ ma adetɔfo wɔ bere ne beae a ɛfata. Sɛ nhwɛso no, sɛ wɔde screen ahorow si nneɛma a wɔde kyerɛ nneɛma so nkyɛn, wɔ adidibea ahorow ma wɔkra tẽẽ, anaasɛ wɔ mmeae a adetɔfo twɛn ma wɔbɔ ho dawuru. Bio nso, osuahu nnwuma a wɔayɛ ama obiara ne nkitahodi touch screen nsɛm a wɔayi no adi ama abɔnten kɛse-scale events and shelf displays yɛ nkɔso a ɛreba wɔ dijitaal nsɛnkyerɛnne mu.
Nkitahodi Kɛse-Scale touch screens ba wɔ akwan horow so, de kɔmputa anisoadehu mfiridwuma di dwuma de kyere nsateaa gyinabea wɔ screen no so na wohu. Algorithms pɔtee dannan honam fam nsusuwii wɔ screen no so kɔ logical coordinates ne control commands a ɛwɔ kɔmputa screen no so, na ɛma wotumi ka ne nkyerɛkyerɛmu dwumadi ahorow wɔ screen kɛse no so. Eyi ma abɔde mu onipa-Kɔmputa nkitahodi nya ahofadi fi anohyeto ahorow a ɛwɔ nketewa-size touch screens mu. Nkitahodi mu nsɛm a wɔbɔ ne kɛse-Screen touch frames nso betumi anya nkitahodi touch effects.
CCD mfoninitwa afiri a wɔde ahyɛ benkum so atifi no ma hann fa LED bi mu, a ɛda adi wɔ afiri a ɛma hann a atwa ho ahyia no ho na ɛhyɛn CCD mfoninitwa afiri a ɛwɔ atifi nifa so no mu. Saa ara nso na wɔde hann a CCD mfoninitwa afiri a ɛwɔ atifi nifa so no ma no kɔ CCD mfoninitwa afiri a ɛwɔ benkum so no so. Hann a ɛyɛ den no yɛ ntwamutam wɔ touch area no mu, a hann a ɛdannan no ntam kwan no nnu 1mm. Sɛ wɔde wɔn nsa ka beae bi a, hann a epue na wonya wɔ saa beae no yɛ anim, bere a nsensanee a ɛyɛ tẽẽ a ɛka CCD mfoninitwa mfiri abien no ne saa hann a ɛyɛ hann yi bom no yɛ anim abien bio. Controller no na ɔkyerɛw asɛm no ho nsɛm a ɛyɛ pɛpɛɛpɛ no, na ɛma wotumi de nsa ka ade no.
Touchscreens yɛ adeɛ a ɛho hia ma onipa-kɔmputa nkitahodiɛ wɔ navigation devices mu, ɛhia sɛ wɔyɛ touchscreen mounting assembly foforɔ. Touchscreen no de capacitive touch chips di dwuma ma touch functionality na ɛsɛ sɛ edi soro-osuahu ahwehwɛde ahorow a ɛfa ahoɔden, nkate, tumi a wɔde di dwuma, mmuae ahoɔhare, nsu a wɔde siw ano, adwumayɛ a ɛne nsu, wosow a ɛko tia, ne electromagnetic interference resistance wɔ nnwuma a ɛyɛ den mu.
