電(dian)容(rong)觸摸(mo)屏(ping)的(de)漂移問(wen)題(ti)。在(zai)(zai)觸摸(mo)屏(ping)產品(pin)中，電(dian)容(rong)觸摸(mo)屏(ping)是我們常用的(de)觸摸(mo)屏(ping)方式(shi)，那么，對于(yu)電(dian)容(rong)觸摸(mo)屏(ping)來說，其產品(pin)本身應用比(bi)較廣泛，但是也存在(zai)(zai)著不(bu)少(shao)問(wen)題(ti)。而且由于(yu)現在(zai)(zai)科技的(de)發展程度還(huan)(huan)無法完(wan)全解決觸摸(mo)屏(ping)產品(pin)在(zai)(zai)相關原(yuan)理上出現的(de)問(wen)題(ti)，所(suo)以對于(yu)這些(xie)問(wen)題(ti)，目前(qian)還(huan)(huan)是普遍存在(zai)(zai)的(de)。
在(zai)這(zhe)里武(wu)漢(han)公司要跟(gen)大家討論的(de)(de)(de)是(shi)(shi)(shi)(shi)關于電(dian)(dian)(dian)(dian)容觸(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)的(de)(de)(de)"漂移"問(wen)題，這(zhe)個問(wen)題比較常見(jian)，也(ye)是(shi)(shi)(shi)(shi)我們在(zai)解決產(chan)品(pin)問(wen)題時主要考慮(lv)的(de)(de)(de)方(fang)面。 電(dian)(dian)(dian)(dian)容觸(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)的(de)(de)(de)漂移問(wen)題介(jie)紹！ ; 武(wu)漢(han)觸(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)公司提示，電(dian)(dian)(dian)(dian)容觸(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)本身實際是(shi)(shi)(shi)(shi)一套精密的(de)(de)(de)漏電(dian)(dian)(dian)(dian)傳感器，帶手套的(de)(de)(de)手不(bu)能(neng)觸(chu)(chu)(chu)(chu)摸(mo)(mo)，由(you)于使(shi)用電(dian)(dian)(dian)(dian)容方(fang)式，導致有漂移現象(xiang)。電(dian)(dian)(dian)(dian)容觸(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)和電(dian)(dian)(dian)(dian)阻(zu)觸(chu)(chu)(chu)(chu)摸(mo)(mo)屏(ping)都是(shi)(shi)(shi)(shi)電(dian)(dian)(dian)(dian)原(yuan)理工(gong)(gong)作(zuo)方(fang)式，電(dian)(dian)(dian)(dian)工(gong)(gong)作(zuo)方(fang)式對(dui)于多點觸(chu)(chu)(chu)(chu)摸(mo)(mo)，不(bu)管是(shi)(shi)(shi)(shi)多少(shao)點，也(ye)不(bu)管是(shi)(shi)(shi)(shi)連(lian)續(xu)的(de)(de)(de)還(huan)是(shi)(shi)(shi)(shi)不(bu)連(lian)續(xu)的(de)(de)(de)都是(shi)(shi)(shi)(shi)取(qu)多點觸(chu)(chu)(chu)(chu)摸(mo)(mo)的(de)(de)(de)中心點判(pan)斷，因為(wei)電(dian)(dian)(dian)(dian)流疊加是(shi)(shi)(shi)(shi)分(fen)不(bu)出來誰(shui)是(shi)(shi)(shi)(shi)誰(shui)的(de)(de)(de)，沒有辦法。
但是(shi)(shi)，目(mu)前來(lai)說，電(dian)(dian)容(rong)(rong)(rong)(rong)觸(chu)(chu)摸(mo)屏(ping)仍然有不(bu)(bu)少問題存在。武(wu)漢(han)公司信為(wei)，觸(chu)(chu)摸(mo)屏(ping)目(mu)前的(de)(de)(de)(de)(de)(de)透(tou)明導電(dian)(dian)材料(liao)ITO--氧化金(jin)屬非(fei)常脆弱，觸(chu)(chu)摸(mo)幾下就會(hui)損壞(huai)，還不(bu)(bu)能(neng)直接用來(lai)作(zuo)工(gong)(gong)作(zuo)層。材料(liao)的(de)(de)(de)(de)(de)(de)問題一(yi)時還難以(yi)解決，只(zhi)好委曲求全：在外(wai)部增加一(yi)層非(fei)常薄的(de)(de)(de)(de)(de)(de)堅硬(ying)玻璃，它顯(xian)然是(shi)(shi)不(bu)(bu)能(neng)導電(dian)(dian)的(de)(de)(de)(de)(de)(de)，直流是(shi)(shi)不(bu)(bu)行了，改用高頻交流信號，靠人(ren)的(de)(de)(de)(de)(de)(de)手指頭（隔著薄玻璃）與工(gong)(gong)作(zuo)面(mian)形成的(de)(de)(de)(de)(de)(de)耦合電(dian)(dian)容(rong)(rong)(rong)(rong)來(lai)吸走一(yi)個交流電(dian)(dian)流，這就是(shi)(shi)電(dian)(dian)容(rong)(rong)(rong)(rong)屏(ping)"電(dian)(dian)容(rong)(rong)(rong)(rong)"名(ming)字的(de)(de)(de)(de)(de)(de)由(you)來(lai)。 電(dian)(dian)容(rong)(rong)(rong)(rong)觸(chu)(chu)摸(mo)屏(ping)之所以(yi)出現"漂(piao)(piao)移"的(de)(de)(de)(de)(de)(de)問題，是(shi)(shi)因為(wei)耦合電(dian)(dian)容(rong)(rong)(rong)(rong)的(de)(de)(de)(de)(de)(de)方(fang)式(shi)是(shi)(shi)不(bu)(bu)穩(wen)(wen)定的(de)(de)(de)(de)(de)(de)，它直接受溫度、濕度、手指濕潤程度、人(ren)體(ti)體(ti)重、地面(mian)干燥程度影(ying)響(xiang)，受外(wai)界大(da)(da)面(mian)積物體(ti)的(de)(de)(de)(de)(de)(de)干擾(rao)也(ye)非(fei)常大(da)(da)，帶來(lai)了不(bu)(bu)穩(wen)(wen)定的(de)(de)(de)(de)(de)(de)結果，這些(xie)都直接違背(bei)了作(zuo)為(wei)觸(chu)(chu)摸(mo)屏(ping)這種坐(zuo)(zuo)標(biao)系統的(de)(de)(de)(de)(de)(de)基本(ben)要求，不(bu)(bu)可避免的(de)(de)(de)(de)(de)(de)要產生(sheng)漂(piao)(piao)移，有的(de)(de)(de)(de)(de)(de)電(dian)(dian)容(rong)(rong)(rong)(rong)觸(chu)(chu)摸(mo)屏(ping)欲求通過25點(dian)校(xiao)準法(fa)甚至(zhi)96點(dian)校(xiao)準法(fa)來(lai)解決漂(piao)(piao)移問題，其實是(shi)(shi)不(bu)(bu)可能(neng)的(de)(de)(de)(de)(de)(de)，漂(piao)(piao)移是(shi)(shi)電(dian)(dian)容(rong)(rong)(rong)(rong)工(gong)(gong)作(zuo)的(de)(de)(de)(de)(de)(de)這種方(fang)式(shi)決定的(de)(de)(de)(de)(de)(de)，即(ji)使(shi)是(shi)(shi)在控制器的(de)(de)(de)(de)(de)(de)單片程序上利(li)用動態計算和經驗值查表，也(ye)只(zhi)能(neng)是(shi)(shi)治(zhi)標(biao)不(bu)(bu)治(zhi)本(ben)。 其實，多(duo)點(dian)校(xiao)準法(fa)最早是(shi)(shi)大(da)(da)屏(ping)幕(mu)投影(ying)觸(chu)(chu)摸(mo)板使(shi)用的(de)(de)(de)(de)(de)(de)方(fang)法(fa)，目(mu)的(de)(de)(de)(de)(de)(de)是(shi)(shi)消除(chu)坐(zuo)(zuo)標(biao)對(dui)應(ying)的(de)(de)(de)(de)(de)(de)線xing失真，電(dian)(dian)容(rong)(rong)(rong)(rong)觸(chu)(chu)摸(mo)屏(ping)的(de)(de)(de)(de)(de)(de)線xing失真也(ye)非(fei)常厲害，主(zhu)要是(shi)(shi)因為(wei)電(dian)(dian)容(rong)(rong)(rong)(rong)屏(ping)的(de)(de)(de)(de)(de)(de)計算建立(li)在四個電(dian)(dian)流量(liang)與觸(chu)(chu)摸(mo)點(dian)到四個電(dian)(dian)極的(de)(de)(de)(de)(de)(de)距離成比例的(de)(de)(de)(de)(de)(de)理想狀態上，實際(ji)由(you)于受環境電(dian)(dian)容(rong)(rong)(rong)(rong)、線路寄生(sheng)電(dian)(dian)容(rong)(rong)(rong)(rong)和不(bu)(bu)同人(ren)使(shi)用的(de)(de)(de)(de)(de)(de)影(ying)響(xiang)。
