Sɛ yɛreka smart phone ho asɛm a, ɛsɛ sɛ yɛka ɔkwan a wɔfa so di telefon a wokura kyin so ho asɛm. Nnɛyi smartphone dodow no ara yɛ touch screens. Bio nso, nsateaa bi ka no. Wɔfrɛ saa touch screen yi capacitive screen denam adwumayɛfo asɛmfua so. Adwumakuw a edi kan a wɔde capacitive screens dii dwuma wɔ smartphones so ne Apple, a na ɛyɛ Apple awo ntoatoaso. Obiara nim nneɛma a ɛbɛba akyiri yi no ho asɛm. Touch-Screen fon ahorow no bɛyɛɛ nea nkurɔfo ani gye ho ntɛmntɛm. Ɛde besi nnɛ no, nkwakoraa ne mmerewa ne mmofra nyinaa de touch-screen phones redi dwuma.
Nanso wunim? Smartphone a edi kan koraa no yɛ resistive screens, nea wɔde stylus na ɛyɛ adwuma no. Abakɔsɛm a ɛfa resistive screens a wɔde di dwuma ho no ware sen capacitive screens no koraa, nanso dɛn nti na ɛkame ayɛ sɛ resistance screens a ɛwɔ mfe kakraa a atwam no mu no atwe afi gua so na capacitive screens no agye din? Eyi yɛ sɛ wobefi ase de mfaso horow a ɛwɔ capacitive screens so no afi ase.
Mfaso kɛse a ɛwɔ capacitive screens so ne sɛ wobetumi de wɔn nsateaa ayɛ wɔn ho adwuma tẽẽ a enhia sɛ wɔde nnwinnade biara di dwuma. Eyi ma ɛyɛ mmerɛw yiye sɛ yɛbɛyɛ adwuma. Smartphone a atwam no yɛ resistive screen. Ɛsɛ sɛ yesiesie stylus nso. Sɛ stylus no yera a, ɛbɛyɛ den sɛ wobɛka screen no. Nanso ɛnsɛ sɛ wohaw wo ho sɛ wobɛdan akɔ mprempren capacitive screen no so. Bere tenten a wode wo nsa bɛka nsateaa no, wobetumi de fon no ayɛ adwuma yiye.
Mfaso foforo a ɛwɔ capacitive screens so ne multi-touch, a ɛkyerɛ nkitahodi ahorow pii a ebetumi ayɛ screen no adwuma bere koro mu. Wobetumi abɔ eyi yiye wɔ agoru no mu, sɛ nhwɛso no, sɛ yɛredi agoru a wɔde tu mmirika a. Nsa benkum no tumi di kar no kwan so, bere a nsa nifa no tumi di kar no throttle ne gear so. Agorudi no mu a wotumi di no yɛ kɛse yiye. Sɛ yɛdan kɔ resistance screen a atwam no so a, yebetumi ayɛ single-touch nkutoo, sɛ yɛrebɔ mmirikatu agoru a, yebetumi ahu gear no nkutoo na afei yɛadi akwankyerɛ no so. Sɛ ɛba sɛ ɛho hia sɛ wɔyɛ nsakrae a, wobetumi asiesie stia no ma wɔayɛ shift gears nkutoo, na agodie mu osuahu no nyɛ papa koraa. Sɛ yɛreyɛ zoom akɔ mu na yɛafiri mfonini no mu a, ɛnyɛ den sɛ yɛbɛtumi de capacitive screen no ayɛ zoom akɔ ne kɛseɛ a ɛfata mu, berɛ a resistive screen no hia sɛ ɛde zoom-wɔ button no mu ne zoom-ɛfiri bɔtn no mu kɔ anammɔn-Bo{11}}step zooming.
Capacitive screens de mfaso atitiriw abien no asi resistive screens no ananmu ntɛmntɛm, nanso capacitive screens no da so ara wɔ sintɔ ahorow bi. Saa sintɔ ahorow yi yɛ den ma ɔfese ne adwumfo sɛ wobegye atom. Ade biako a enye ne sɛ capacitive screens ntumi nnya nsaano nkyerɛwee a wɔayɛ no yiye. Adwumayɛfo binom a wɔde di dwuma no ayɛ wɔn su sɛ wɔde nsa bɛkyerɛw nsɛm, nanso capacitive screens ntumi mma wɔn a wɔde di dwuma no ani nnye.
Ade foforo a enye wɔ ho ne sɛ capacitive screen no nyɛ adwuma yiye wɔ mfonini pa mu. Sɛ wɔde toto resistive screen no touch pɛpɛɛpɛ ho a, resistive screen no wɔ mfaso wɔ mfoniniyɛ ne design mu. Wobetumi ada resistive screen no adi wɔ nkyerɛwde ahorow a ɛyɛ fɛ a ɛwɔ nkyerɛwde no ti nhwi mu no mu, na capacitive screen no yɛ mmerɛw yiye. Nanso wɔ nhwehwɛmu a etwa to no mu no, gua kɛse no da so ara yɛ gua titiriw. Nneɛma a wɔyɛ ne nnwuma dodow yɛ kakraa bi wɔ ne nyinaa akyi, enti ɛda so ara yɛ wiase a ɛyɛ capacitive screens.
