Touchscreen PPT
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Touchscreen PPT

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Working of Touchscreen PPT

Working of Touchscreen PPT

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    Touchscreen PPT Touchscreen PPT Presentation Transcript

    •  
            • INTRODUCTION TO THE TECHNOLOGY
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    • A touch screen sensor is a clear glass panel with a touch responsive surface The sensor generally has an electrical current or signal going through it and touching the screen causes a voltage or signal change
    • The controller is a small PC card that connects between the touch sensor and the PC The controller determines what type of interface/connection you will need on the PC
    • The driver is a software that allows the touch screen and computer to work together Most touch screen drivers today are a mouse-emulation type driver.
    • Diagram showing How it Works
    • * Resistive Touch Screen * Capacitive Touch Screen * Surface Acoustic Wave Touchscreen * Infrared Touch Screen Types of Touch Screen Technologies:
    • Resistive Touch Screen
    • Capacitive Touch Screen
    • Surface Acoustic Wave Touchscreen
    • Infrared Touch Screen
      • Public Information Displays:::
      • Tourism displays, Trade show display
      • Customer Self-Services::: Stores, Restaurants, ATMs, Airline ticket terminals and Transportation hubs.
      • More uses... Digital jukeboxes, Computerized gaming, Student Registration systems, Multimedia software , Scientific applications etc.
    • Pros & Cons
      • Direct pointing to the objects.
      • Fast
      • Finger or pen is usable (No cable required)
      • No keyboard necessary
      • Suited to: novices, application for information retrieval etc
      • Low precision by using finger
      • User has to sit or stand closer to the screen
      • The screen may be covered more by using hand
      • No direct activation to the selected function
    • Though the touch screen technology contains some limitations it’s very user friendly, fast, accurate, easy for the novices & fun to operate. It has been widely accepted. And now by just modifying a little it can replace the mouse and key board completely in near future
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