從技術(shù)原理角度來講，觸摸屏是一套透明的坐標(biāo)定位系統(tǒng)，先它必須保證是透明的，因此它必須通過材料科技來解決透明問題，像數(shù)字化儀、寫字板、電梯開關(guān)，它們都不是觸摸屏；其次它是坐標(biāo)，手指摸哪就是哪，不需要第二個(gè)動(dòng)作，不像鼠標(biāo)，是相對(duì)定位的一套系統(tǒng)，我們可以注意到，觸摸屏軟件都不需要光標(biāo)，有光標(biāo)反倒影響用戶的注意力，因?yàn)楣鈽?biāo)是給相對(duì)定位的設(shè)備用的，相對(duì)定位的設(shè)備要移動(dòng)到一個(gè)地方先要知道身在何處，往哪個(gè)方向去，每時(shí)每刻還需要不停的給用戶反饋當(dāng)前的位置才不至于出現(xiàn)偏差。這些對(duì)采取坐標(biāo)定位的觸摸屏來說都不需要；再其次就是能檢測手指的觸摸動(dòng)作并且判斷手指位置。
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從技術(shù)原理角度來講，觸摸屏是一套透明的坐標(biāo)定位系統(tǒng)，先它必須保證是透明的，因此它必須通過材料科技來解決透明問題，像數(shù)字化儀、寫字板、電梯開關(guān)，它們都不是觸摸屏；其次它是坐標(biāo)，手指摸哪就是哪，不需要第二個(gè)動(dòng)作，不像鼠標(biāo)，是相對(duì)定位的一套系統(tǒng)，我們可以注意到，觸摸屏軟件都不需要光標(biāo)，有光標(biāo)反倒影響用戶的注意力，因?yàn)楣鈽?biāo)是給相對(duì)定位的設(shè)備用的，相對(duì)定位的設(shè)備要移動(dòng)到一個(gè)地方先要知道身在何處，往哪個(gè)方向去，每時(shí)每刻還需要不停的給用戶反饋當(dāng)前的位置才不至于出現(xiàn)偏差。這些對(duì)采取坐標(biāo)定位的觸摸屏來說都不需要；再其次就是能檢測手指的觸摸動(dòng)作并且判斷手指位置。
