LED灯具积小质轻,可选用不同光色的LED组合成照度柔和的各种模块,任意安装在居室中,居室照明灯具的光源可能来源于地面、墙面、窗台、家具、饰物等。因此,未来居室照明将不再局限于单个灯具,而将由单个灯具照明转化为无照明器具感的整体照明效果的无影灯。
上传时间: 2013-11-02
上传用户:ligi201200
A frequent requirement in systems involves drivinganalog signals into non-linear or reactive loads. Cables,transformers, actuators, motors and sample-hold circuitsare examples where the ability to drive diffi cult loads isrequired. Although several power buffer amplifi ers areavailable, none have been optimized for driving diffi cultloads.
上传时间: 2014-12-24
上传用户:1109003457
本发明的LED 光源包含矩形的LED 芯片和内藏该芯片的透明树脂封装体。树脂封装体具有用于将LED 芯片发出的光射出到封装体的外部的镜界面。
上传时间: 2013-12-14
上传用户:kernor
电容屏和电阻屏区别_静电感应,需要导体接触屏幕才会有反应,所以,不需要很用力,只要手指轻轻触摸屏幕即可被识别。
上传时间: 2013-10-13
上传用户:lizhizheng88
本发明用于LED 光源的电源向以串联或并联型式连接的不同数量LED 提供功率。所述电源使用电流反馈来调节到LED 的功率并对电路和电路故障提供保护。
上传时间: 2013-11-04
上传用户:奇奇奔奔
Abstract: As electronic systems take over many of the mechanical functions in a car—ranging from engine timing to steering andbraking—there is a growing concern about fault tolerance. There should not be a single point of failure that would prevent a car fromat least "limping" off the road or making it to the nearest service station. Redundant systems, watchdog timers, and other controlcircuits are used to reroute signals and perform other functions that ensure that a vehicle can safely make it off the road when afailure occurs.
上传时间: 2013-11-10
上传用户:diets
Abstract: This article discusses future trends in the design of smartphones and other consumer products. The discussion focuses onthe importance of integration, which saves valuable PCB space and drives down costs.
上传时间: 2014-01-13
上传用户:lhw888
介绍一款逆变器主要由MOS 场效应管,普通电源变压器构成。其输出功率取决于MOS 场效应管和电源变压器的功率,免除了烦琐的变压器绕制,适合电子爱好者业余制作中采用。
上传时间: 2013-10-13
上传用户:黑漆漆
风力发电变频器_变频器的英文译名是VFD(Variable-frequency Drive),这可能是现代科技由中文反向译为英文的为数不多实例之一.
上传时间: 2013-10-30
上传用户:ppeyou
本文结合认证实践工作,围绕LED照明产品认证的范围,LED照明产品认证工作情况以及LED照明产品认证过程中存在的问题等与读者分享,希望对产业有所助益。
上传时间: 2014-12-24
上传用户:D&L37