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桂林電容觸摸屏的漂移問題

分類:公(gong)司新聞 發布時(shi)間:2022-10-25 36909次瀏覽

電容(rong)觸摸(mo)屏(ping)的漂移問題(ti)。在觸摸(mo)屏(ping)產(chan)品(pin)中(zhong),電容(rong)觸摸(mo)屏(ping)是(shi)我(wo)們常用的觸摸(mo)屏(ping)方(fang)式,那么,對...

電(dian)容(rong)(rong)觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)的(de)(de)漂(piao)移問(wen)(wen)題(ti)。在觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)產品(pin)中,電(dian)容(rong)(rong)觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)是(shi)我們常用(yong)的(de)(de)觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)方(fang)式,那(nei)么,對于(yu)電(dian)容(rong)(rong)觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)來說,其產品(pin)本(ben)身應用(yong)比(bi)較廣泛,但是(shi)也存在著不少(shao)問(wen)(wen)題(ti)。而且(qie)由于(yu)現(xian)在科技的(de)(de)發(fa)展(zhan)程度還無法(fa)完全解決觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)產品(pin)在相關原理上出現(xian)的(de)(de)問(wen)(wen)題(ti),所以(yi)對于(yu)這些問(wen)(wen)題(ti),目前(qian)還是(shi)普遍存在的(de)(de)。

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在這里武漢公司要跟大家討論的(de)(de)是(shi)(shi)關于電(dian)(dian)容(rong)(rong)觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)(ping)的(de)(de)"漂(piao)移"問題,這個問題比較常(chang)見,也是(shi)(shi)我們在解決產(chan)品問題時主(zhu)要考(kao)慮的(de)(de)方(fang)面。    電(dian)(dian)容(rong)(rong)觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)(ping)的(de)(de)漂(piao)移問題介紹(shao)!    武漢觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)(ping)公司提示(shi),電(dian)(dian)容(rong)(rong)觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)(ping)本身實際是(shi)(shi)一套精(jing)密的(de)(de)漏電(dian)(dian)傳感器,帶手(shou)套的(de)(de)手(shou)不能觸(chu)摸(mo)(mo)(mo),由于使用電(dian)(dian)容(rong)(rong)方(fang)式,導致(zhi)有(you)漂(piao)移現象。電(dian)(dian)容(rong)(rong)觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)(ping)和電(dian)(dian)阻觸(chu)摸(mo)(mo)(mo)屏(ping)(ping)(ping)都是(shi)(shi)電(dian)(dian)原理工作(zuo)方(fang)式,電(dian)(dian)工作(zuo)方(fang)式對于多點(dian)觸(chu)摸(mo)(mo)(mo),不管是(shi)(shi)多少點(dian),也不管是(shi)(shi)連(lian)續的(de)(de)還是(shi)(shi)不連(lian)續的(de)(de)都是(shi)(shi)取多點(dian)觸(chu)摸(mo)(mo)(mo)的(de)(de)中心點(dian)判斷,因(yin)為電(dian)(dian)流疊(die)加(jia)是(shi)(shi)分不出來誰是(shi)(shi)誰的(de)(de),沒(mei)有(you)辦法。

但是(shi)(shi),目(mu)前來(lai)(lai)說,電(dian)(dian)(dian)(dian)容(rong)(rong)觸(chu)(chu)摸(mo)屏仍然有不(bu)(bu)少問(wen)(wen)題存在。武漢公司信為(wei),觸(chu)(chu)摸(mo)屏目(mu)前的(de)(de)(de)(de)(de)透明導電(dian)(dian)(dian)(dian)材(cai)料ITO--氧化(hua)金屬非(fei)(fei)常(chang)(chang)脆弱,觸(chu)(chu)摸(mo)幾下就會損壞,還(huan)不(bu)(bu)能(neng)(neng)直接(jie)用(yong)(yong)來(lai)(lai)作(zuo)工作(zuo)層。材(cai)料的(de)(de)(de)(de)(de)問(wen)(wen)題一時還(huan)難以解決,只好委(wei)曲求全:在外(wai)部增(zeng)加一層非(fei)(fei)常(chang)(chang)薄(bo)的(de)(de)(de)(de)(de)堅硬(ying)玻璃,它顯然是(shi)(shi)不(bu)(bu)能(neng)(neng)導電(dian)(dian)(dian)(dian)的(de)(de)(de)(de)(de),直流(liu)是(shi)(shi)不(bu)(bu)行了(le)(le),改用(yong)(yong)高頻交(jiao)流(liu)信號,靠人(ren)(ren)的(de)(de)(de)(de)(de)手指(zhi)頭(隔著薄(bo)玻璃)與(yu)工作(zuo)面形成的(de)(de)(de)(de)(de)耦合電(dian)(dian)(dian)(dian)容(rong)(rong)來(lai)(lai)吸走一個交(jiao)流(liu)電(dian)(dian)(dian)(dian)流(liu),這(zhe)就是(shi)(shi)電(dian)(dian)(dian)(dian)容(rong)(rong)屏"電(dian)(dian)(dian)(dian)容(rong)(rong)"名字的(de)(de)(de)(de)(de)由(you)來(lai)(lai)。    電(dian)(dian)(dian)(dian)容(rong)(rong)觸(chu)(chu)摸(mo)屏之(zhi)所以出現"漂移"的(de)(de)(de)(de)(de)問(wen)(wen)題,是(shi)(shi)因(yin)為(wei)耦合電(dian)(dian)(dian)(dian)容(rong)(rong)的(de)(de)(de)(de)(de)方(fang)式是(shi)(shi)不(bu)(bu)穩定的(de)(de)(de)(de)(de),它直接(jie)受(shou)溫度、濕度、手指(zhi)濕潤程(cheng)度、人(ren)(ren)體體重、地面干燥程(cheng)度影(ying)響(xiang),受(shou)外(wai)界大(da)面積物體的(de)(de)(de)(de)(de)干擾也非(fei)(fei)常(chang)(chang)大(da),帶來(lai)(lai)了(le)(le)不(bu)(bu)穩定的(de)(de)(de)(de)(de)結(jie)果,這(zhe)些都(dou)直接(jie)違背(bei)了(le)(le)作(zuo)為(wei)觸(chu)(chu)摸(mo)屏這(zhe)種(zhong)(zhong)坐(zuo)標(biao)系統的(de)(de)(de)(de)(de)基本要(yao)求,不(bu)(bu)可避免的(de)(de)(de)(de)(de)要(yao)產生漂移,有的(de)(de)(de)(de)(de)電(dian)(dian)(dian)(dian)容(rong)(rong)觸(chu)(chu)摸(mo)屏欲求通過25點(dian)(dian)校(xiao)準法(fa)甚至96點(dian)(dian)校(xiao)準法(fa)來(lai)(lai)解決漂移問(wen)(wen)題,其實是(shi)(shi)不(bu)(bu)可能(neng)(neng)的(de)(de)(de)(de)(de),漂移是(shi)(shi)電(dian)(dian)(dian)(dian)容(rong)(rong)工作(zuo)的(de)(de)(de)(de)(de)這(zhe)種(zhong)(zhong)方(fang)式決定的(de)(de)(de)(de)(de),即使是(shi)(shi)在控制(zhi)器的(de)(de)(de)(de)(de)單(dan)片程(cheng)序上利(li)用(yong)(yong)動態計(ji)算和經(jing)驗值查表,也只能(neng)(neng)是(shi)(shi)治標(biao)不(bu)(bu)治本。    其實,多點(dian)(dian)校(xiao)準法(fa)最早是(shi)(shi)大(da)屏幕(mu)投影(ying)觸(chu)(chu)摸(mo)板使用(yong)(yong)的(de)(de)(de)(de)(de)方(fang)法(fa),目(mu)的(de)(de)(de)(de)(de)是(shi)(shi)消除坐(zuo)標(biao)對應的(de)(de)(de)(de)(de)線xing失真(zhen),電(dian)(dian)(dian)(dian)容(rong)(rong)觸(chu)(chu)摸(mo)屏的(de)(de)(de)(de)(de)線xing失真(zhen)也非(fei)(fei)常(chang)(chang)厲(li)害,主要(yao)是(shi)(shi)因(yin)為(wei)電(dian)(dian)(dian)(dian)容(rong)(rong)屏的(de)(de)(de)(de)(de)計(ji)算建立(li)在四個電(dian)(dian)(dian)(dian)流(liu)量與(yu)觸(chu)(chu)摸(mo)點(dian)(dian)到四個電(dian)(dian)(dian)(dian)極(ji)的(de)(de)(de)(de)(de)距離成比例的(de)(de)(de)(de)(de)理想狀態上,實際(ji)由(you)于受(shou)環境電(dian)(dian)(dian)(dian)容(rong)(rong)、線路寄生電(dian)(dian)(dian)(dian)容(rong)(rong)和不(bu)(bu)同人(ren)(ren)使用(yong)(yong)的(de)(de)(de)(de)(de)影(ying)響(xiang)。

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