a kɔfɛ .Écran tactitive capacitive .A bɛ magali taamasiyɛn sɔrɔ, a bɛ magali kunnafoniw sɛmɛntiya ka kɛ kuran wulilanw ye k’u lase .Screen touch .Control IC for processing. Siginiden bɛ fɔlɔ ka bonya ni mankan dɔgɔman amplifier LNA ye, o kɔfɛ analog-to-digital conversion ani demodulation fɛ, ani laban na a bɛ ci DSP ma data processing kama.
A Écran tactitive capacitive .A ka c'a la, M+N (M Kolow ni N Row) ye farikolo ye .Sensors de magali capacitive .. M+N interlaced sensors form M*N capacitive sensing points. Ni baarakɛla bolokɔni gɛrɛla touch screen na, a capacitance bɛna Changé ka kɛɲɛ ni o ye. janya ye sensorw ni ɲɔgɔn cɛ (o kɔrɔ ye ko yɔrɔjan bɛ se ka kɛ ɲɔgɔn cɛ walima kolonw cɛ) o bɛ kɛ milimɛtiri damadɔw la, ani nin yɔrɔ janya bɛ se ka kɛ ni touch screen ye{4}.
coordinate système (koordinate système) bɛ .Écran tactitive capacitive .Module .ani LCD modulu ye danfara ye pewu. LCD modulu pixel bɛ latigɛ caman na a ka ɲɛfɔli la. Misali la, WVGA ekran ka ɲɛfɔli ye 800*480 ye, o kɔrɔ ye ko zana 800 bɛ yen ni 480 RGB pixels ye layini kelen kɔnɔ. o cogo la, yɔrɔ kɛrɛnkɛrɛnnen dɔ bɛ se ka latigɛ PIXEL yɔrɔ la (X ni y) kɔnɔModule min bɛ se ka maga a la .A bɛ coordinate system latigɛ ka kɛɲɛ n’a farikolo hakɛ fɔlɔ ye X ni y siraw la. ka kan ka kɛ karti fɛɛrɛ bɛnnen ye coordinate systems fila cɛ walasa ka don ni bɔli baarakɛcogo latilen.
O la, DSP ka baarakɛminɛn min bɛ wele ko Screen Control IC, o ka kan ka pixel mapping conversion kɛ .Module min bɛ se ka maga a la .ani LCD module min bɛ kunnafoni sɔrɔlenw kan, walasa ka a dɔn ko baarakɛla ka magali yɔrɔ min bɛ touch screen kan, o ye yɔrɔ ye min bɛ jira baarakɛla fɛ.
Ka fara o kan, walasa ka magali coordinates sabatili sabati, touch screen control IC ka kan ka touch point jitter baara kɛ ka taa a fɛ, i n’a fɔ finger of the finger ani mankan min bɛ capacitance data kan, ani ka filɛri coefficient de filtre low-pass changement ka kɛɲɛ ni coordinates caman cili ye walasa ka se ka coordinates (fɔ{1}}) ɲɛnabɔ ni. ye.
A laban na, sani i ka kunnafoniw ci jatigila ma, i ka kan ka baara kɛ ni porogaramuw ye walasa ka kunnafoniw sɛgɛsɛgɛ ani k’a dɔn magali kelen-kelen bɛɛ bɛ baara kɛ ni min ye. Nin wale in bɛ tali kɛ yɔrɔ min magara a la, o bonya, a cogoya ani a sigiyɔrɔ dɔnni na ɛkran kan. Ni a mago bɛ o la, o la, baarakɛminɛn bɛna o ɲɔgɔnna magaliw labɛn ka kɛ kuluw ye{{2} la, baarakɛla bɛ danfara jate daminɛ ani laban yɔrɔ minnu bɛ baara daminɛ ni{3} ye, o bɛ se ka kɛ sababu ye ka o tigi ka magali jate.
