PSoC电容式触摸显现屏处置计划
不论是电容式仍是电阻式触摸显现屏,都(dou)依靠于(yu)一种通(tong)明的(de)(de)导(dao)电(dian)(dian)(dian)(dian)体资(zi)料(liao),即(ji)铟锡氧化物 (ITO)。投(tou)射(she)电(dian)(dian)(dian)(dian)容(rong)式触摸显(xian)现屏在玻(bo)璃或(huo)其余通(tong)明基底上用ITO做出Z、F矩阵图形,这些(xie)图形便是电(dian)(dian)(dian)(dian)容(rong)感(gan)到(dao)所须要的(de)(de)电(di🐼an)(dian)(dian)(dian)极(ji)(ji)。操(cao)纵IT0的(de)(de)导(dao)体特征产(chan)生原(yuan)始的(de)(de)寄生电(dian)(dian)(dian)(dian)容(rong),当(dang) 手指接(jie)近某个感(gan)到(dao)电(dian)(dian)(dian)(dian)极(ji)(ji)时(shi),相(xiang)称于(yu)在本来(lai)的(de)(de)电(dian)(dian)(dian)(dian)容(rong)根本上并联(lian)了新的(de)(de)电(dian)(dian)(dian)(dian)容(rong),从而使感(gan)到(dao)电(dian)(dian)(dian)(dian)极(ji)(ji)对 地(di)(扫(sao)描(miao)某个特定电(dian)(dian)(dian)(dian)极(ji)(ji)时(shi),其余电(dian)(dian)(dian)(dian)极(ji)(ji)被接(jie)到(dao)地(di)上)的(de)(de)电(dian)(dian)(dian)(dian)容(rong)产(chan)生变(bian)更(geng)。经由过程在PSoC外(wai)部搭建 电(dian)(dian)(dian)(dian)路,并用内(nei)建8位处(chu)置器(qi)的(de)(de)法式来(lai)节制(zhi)电(dian)(dian)(dian)(dian)路的(de)(de)任(ren)务,便能(neng)够把(ba)电(dian)(dian)(dian)(dian)容(rong)的(de)(de)变(bian)更(geng)转(zhuan)化成计数值的(de)(de) 变(bian)更(geng)。PSoC按照每个感(gan)到(dao)电(dian)(dian)(dian)(dian)极(ji)(ji)上的(de)(de)电(dian)(dian)(dian)(dian)容(rong)变(bian)更(geng)量计较出X和(he)y标(biao)的(de)(de)目(mu)的(de)(de)的(de)(de)切(qie)确坐标(biao),分辩率(lv)跟着 电(dian)(dian)(dian)(dian)极(ji)(ji)数和(he)电(dian)(dian)(dian)(dian)极(ji)(ji)之间(jian)的(de)(de)中间(j💦ian)间(jian)隔而变(bian)更(geng)。
IT0的透光度与外层电阻值关系不大,即透光比越高,外层电阻值越大,但在透光度必须的情 况下,IT0的图行建议也对电阻值有作用。是由于你这个结构特征,应用于IT0的电阻式接触显著屏感受到建议 要面对非常大的的挑衅,是由于电阻值的有着,添加了电阻充电池充电的情况下,以此使感受到情况下延长,信 噪比(SNR)也会相应下调。尽要能减少感受到电极片的确定性电阻值,是建议映射电阻式接触显著屏的关 键身分。
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