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Light pen

Light pen. Overview. -Introduction. -How it works Light Pen. -History. -Light Pen types. Introduction. Light pen :

judith-holt
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Light pen

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  1. Light pen

  2. Overview -Introduction. -How it works Light Pen. -History. -Light Pen types.

  3. Introduction Light pen: One and the Light pen “stylus” input and output units, It is a pen like a normal pen connected to a computer, and operated as a mouse substitute but it is easier to control and trigger high flexibility , It is an ideal choice for designers and those who wish to drawing on the computer.

  4. How it works Light Pen • It is a wave related to the computer via a UPS, And the Registry to move it on this board and the computer senses the movement of the pen carefully and very sensitive.

  5. History First light pen was invented in 1952 was part of a project at MIT has been the use of the stylus are common at the beginning of 1980. And was used for the purposes of written communication in a company Fairlight CMI and BBC, and was working with the types of computers Thomson MO5.But it requires the arm to lift long-abundance, which was causing stress for those who use it. Which led to not use it again.However, re-use it again in 1984 in the offices of bookmakers in order to speed data recording. And after the stylus has been created depends on the phosphorous emissions from the screen .. Developed by companies, and you even arrived to the current format [1].

  6. Light Pen types wacom reflect the company's largest and most prestigious companies in the production of light pens These company produces three types of stylus, namely: 1-Graphire 2-Intous 3-CINTIQ

  7. Graphire This type of beginners in drawing and has a stylus and a mouse and a base, the sensitivity of pressure up to 512 and there are 3 sizes

  8. Intous This is the kind of professionals and has a stylus and a mouse and a base size of Yom Kippur, Tjtoi several buttons control the zoom in and zoom out images and add some commands that you want, is characterized by sensitivity up to 1024 in response to pressure.

  9. CINTIQMany characteristic of this type that there are no base attached for drawing it, but you paint directly on a computer screen dedicated to drawing, as in the image below. Screen dimensions 1200 * 1600 and 20-inch and features a pressure sensitive pen up to 1024 and also features the possibility of switching the head-to-head pen introduce or thinner and also features a comfortable grip of the pen.

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