【實用娛樂app】手机摇摇棒|最夯免費app

情人节，就用「手机摇摇棒」来秀出你的心意

手机摇摇棒 能在空中摇出文字,炫感十足,在生日聚会,KTV,或演唱会中使用,格外引人注目。

(POV显示器)

藉由快速切换指示灯的开关,利用视觉暂留的原理

原因是由视神经的反应速度造成的,其时值什么二十四分之一秒。

在空中不存在的大画面64x16的点阵上,摇出文字

物体在快速运动时,当看到的影像消失后,

人眼仍能继续保留其影像,约0.1-0.4秒左右的图像,

这种现象被称为视觉暂留现象

影片示范:

https://www.facebook.com/video/video.php?v=2046600658703

http://www.youtube.com/watch?v=urqr5CYT2c4

http://www.youtube.com/watch?v=a6teiLSGLkM

http://v.youku.com/v_show/id_XMzIxNDU1ODcy.html

http://v.youku.com/v_show/id_XMzIxNDU4ODY0.html

What is POV Display:

A class of display device described as "POV" is one that composes an image by displaying one spatial portion at a time in rapid succession (for example, one column of pixels every few milliseconds). A 2 dimensional POV display is often accomplished by means of rapidly moving a single row of LEDs along a linear or circular path. The effect is that the image is perceived as a whole by the viewer as long as the entire path is completed during the visual persistence time of the human eye. A further effect is often to give the illusion of the image floating in mid-air.

(Made In Taiwan)

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