Laser Keyboard

 

  Laser Keyboard ⌨

Have you ever thought, how a Laser keyboard works?
Do you know there are many types of keyboard 

1. Rolling
2. Flexible
3. Folding
4. Wireless
5. Wired

  But in This, blog you will come to know about the Science behind Laser keyboard

Many of you had heard about a laser keyboard and many of you had been using it.
But have you ever thought about the science behind a laser keyboard?
How does a laser keyboard projects on the surface and how does it knows that you had typed something?
In this laser, keyboard there is laser light which can be projected on any flat surface
When the light is projected a very nice keyboard layout is formed which allows you to give input and in, return a computer gives you output.
A laser used in a laser keyboard is a red diode laser.
In this, keyboard there is a laser light on the top and an infrared sensor at the bottom.
An infrared sensor creates a transparent layer below the keyboard which is invisible.

when you press any key on the keyboard the lights gets reflected 
A CMOS sensor detects the key which is pressed.

Talking about the disadvantages of laser keyboard :

         1.Multiple gesture is not so correct.

         2.Accuracy is not so good.

         3.Typing Speed is not so good.

So if you are a person with fast typing speed then the keyboard is not for you.