2016/1/21 14:13:41 来源: 福州鸿飞达自动化科技有限公司
170ADI35000
170ADI35000
170ADI35000
现偏差。这些对采取绝对坐标定位的触摸屏来说都不需要;再其次就是能检测手指的触摸动作并且判断手指位置,各类触摸屏技术就是围绕“检测手指触摸”而八仙过海各显神通的。
2主要特性
触摸屏的第一个特性:
透明,它直接影响到触摸屏的视觉效果。透明有透明的程度问题,红外线技术触摸屏和表面声波触摸屏只隔了一层纯玻璃,透明可算佼佼者,其它触摸屏这点就要好好推敲一番,“透明”,在触摸屏行业里,只是个非常泛泛的概念,很多触摸屏是多层的复合薄膜,仅用透明一点来概括它的视觉效果是不够的,它应该至少包括四个特性:透明度、色彩失真度、反光性和清晰度,还能再分,比如反光程度包括镜面反光程度和衍射反光程度,只不过触摸屏表面衍射反光还没到达CD 盘的程度,对用户而言,这四个度量已经基本够了。
由于透光性与波长曲线图的存在,通过触摸屏看到的图象不可避免的与原图象产生了色彩失真,静态的图象感觉还只是色彩的失真,动态的多媒体图象感觉就不是很舒服了,色彩失真度也就是图中的最大色彩失真度自然是越小越好。平常所说的透明度也只能是图中的平均透明度,当然是越高越好。
【公 司】: 福州鸿飞达自动化科技有限公司
【主 营】: AB(罗克韦尔)PLC全系列、ABB机器人系统备件、施耐德140/TSX、西门子6SN/6FC、伺服系统全套等
【价 格】: 电议
【发布人】: 程先生
【电 话】: 13625073704
【所在地】: 福建 - 福州
【坐 机】: 0591-83532940
【Q Q】: 2851617309
【传 真】: 0591-88263940
【邮 箱】: 2851617309@qq.com
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