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Touchscreen 111203140434-phpapp01

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Touchscreen 111203140434-phpapp01

  1. 1. INTRODUCTION TO THE TECHNOLOGY
  2. 2. 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
  3. 3. 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
  4. 4. 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.
  5. 5. Diagram showing How it Works
  6. 6. Types of Touch Screen Technologies: * Resistive Touch Screen * Capacitive Touch Screen * Surface Acoustic Wave Touchscreen * Infrared Touch Screen
  7. 7. Resistive Touch Screen
  8. 8. Capacitive Touch Screen
  9. 9. Surface Acoustic Wave Touchscreen
  10. 10. Infrared Touch Screen
  11. 11. 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.
  12. 12. Pros 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 & Cons 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
  13. 13. 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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