根據(jù)屏的引出線數(shù)，又分有4線、5線及多線，門檻低，成本相對(duì)價(jià)廉，優(yōu)點(diǎn)是不受灰塵、溫度、濕度的影響。缺點(diǎn)也很明顯，外層屏膜很容易刮花，不能使用尖銳的物體點(diǎn)觸屏面。一般是不能多點(diǎn)觸控，即只能支持單點(diǎn)，若同時(shí)按壓兩個(gè)或兩個(gè)以上的觸點(diǎn)，是不能被識(shí)別和找到坐標(biāo)的。在電阻屏上要將一幅圖片放大，就只能多次點(diǎn)擊“+”，使圖片逐步進(jìn)階式放大，這就是電阻屏的基本技術(shù)原理。 利用壓力感應(yīng)進(jìn)行控制。當(dāng)手指觸摸屏幕時(shí)，兩層導(dǎo)電層在觸摸點(diǎn)位置就有了接觸，電阻發(fā)生變化。在X和Y兩個(gè)方向上產(chǎn)生信號(hào)，然后傳送到觸摸屏控制器。控制器偵測(cè)到這一接觸并計(jì)算出(X，Y)的位置，再根據(jù)模擬鼠標(biāo)的方式運(yùn)作。電阻式觸摸屏不怕塵埃、水及污垢影響，能在惡劣環(huán)境下工作。但由于復(fù)合薄膜的外層采用塑膠材料，抗爆性較差，使用壽命受到一定影響。 電阻式觸摸屏利用壓力感應(yīng)進(jìn)行控制，它的表層是一層塑膠，底層是一層玻璃，能承受惡劣環(huán)境因素的干擾，但手感和透光性較差，適合佩帶手套和不能用手直接觸摸的場(chǎng)合。
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