Scope of Touch Screen Devices

INTRODUCTION

• A touch screen is an input device That Allows Users To Operate a PC By Simply touching the screen.
• The Display Screen Has A Sensitive Glass Placed on it And We Could the desired Input By Touching It.

• A touch Screen is based on CRT(Cathode Ray Tube) Technology, That accepts direct on screen input
  
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HISTORY

• Historians consider the first touchscreen to be a capacitive touchscreen invented by E.A. Johnson in the UK around 1965. The inventorinitially developed this technology for air traffic control.

• 2002 Microsoft’s Windows XP Tablet

• 2007 Apple’s iPhone (Multi-touch)

• 1993 Apple’s Newton and IBM’s Simon
  
  
  
  
  
  
  
  

WHEN IT IS APPLICABLE ?

• It allows users to interact directly with what is being displayed, rather than indirectly using a mouse or keyboard.

• Can be used without any intermediate device.

• Found in modern smartphones, videogames, pc tablets, navigation systems, etc. 

ADVANTAGES 

• Touchscreens provide end users an opportunity to interact with the computer,improving the human-computer interface and improving the user’s experience.

• Touchscreens provide an easy to understand,intuitive interface for the human brain.

• Fumbling with a mouse and keyboard isn’t always the easiest thing to do and touchscreen technology can help. It Saves Time

DISADVANTAGES

• Some disadvantages are that the user must be within arms reach of the display, it would be difficult to select small items.
• It can caused you to feel a little electric shocks if you touch the screen with your wet fingers.
• They cost more than alternative devices.
• The screen gets dirty from finger prints.
  

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EXAMPLES

These Are The Most Popular Touch Screen Devices 
SMARTPHONES:

• Microsoft Lumia.
• iPhone.
• Samsung Smart Phones

PADS:

• iPad2
• Samsung Tab 10.13.
• Sony Vaio Duo 11 - Ultrabook

GAMING GEARS:

• Nintendo 3DS 
• PS Vita
• Nintendo Wii U
  

This technology is used at different places

like,

• Gas & Fuel Stations
• At Cinemas, Restaurants,Airports.In Cars
• Super Markets
  
  
  
  
  
  
  
  
  
  

TOUCH SCREEN MARKET

Touch screen interfaces are becoming increasingly common in mobile consumer devices, such as mobile phones, tablets and e-books. IDTechEx forecasts revenue of the touchscreen market to be US$ 14bn in 2012 and to triple in the next decade.


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TECHNOLOGIES

Four different technologies used to make touchscreens today:

• Resistive
• Capacitive
• Surface Acoustic Wave (SAW)
• Infrared LED or Optical

 CONCLUSION

• As it is very friendly, fast, accurate, easy for the novices and fun to operate. It has been widely accepted.

• Today, This Technology is been adopted by computer,mobile users of all abilities because it is innovative, simple.
• In Future there will be no usage of mouse and keyboards as they will be replaced by touchscreens for sure.
• Designers are trying to use touch screen to simplify input commands