Touchscreen PPT

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Working of Touchscreen PPT

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Touchscreen PPT

  1. 2. <ul><ul><ul><ul><li>INTRODUCTION TO THE TECHNOLOGY </li></ul></ul></ul></ul>
  2. 6. 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. 7. 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. 8. 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. 9. Diagram showing How it Works
  6. 10. * Resistive Touch Screen * Capacitive Touch Screen * Surface Acoustic Wave Touchscreen * Infrared Touch Screen Types of Touch Screen Technologies:
  7. 11. Resistive Touch Screen
  8. 12. Capacitive Touch Screen
  9. 13. Surface Acoustic Wave Touchscreen
  10. 14. Infrared Touch Screen
  11. 15. <ul><li>Public Information Displays::: </li></ul><ul><li>Tourism displays, Trade show display </li></ul><ul><li>Customer Self-Services::: Stores, Restaurants, ATMs, Airline ticket terminals and Transportation hubs. </li></ul><ul><li>More uses... Digital jukeboxes, Computerized gaming, Student Registration systems, Multimedia software , Scientific applications etc. </li></ul>
  12. 16. Pros & Cons <ul><li>Direct pointing to the objects. </li></ul><ul><li>Fast </li></ul><ul><li>Finger or pen is usable (No cable required) </li></ul><ul><li>No keyboard necessary </li></ul><ul><li>Suited to: novices, application for information retrieval etc </li></ul><ul><li>Low precision by using finger </li></ul><ul><li>User has to sit or stand closer to the screen </li></ul><ul><li>The screen may be covered more by using hand </li></ul><ul><li>No direct activation to the selected function </li></ul>
  13. 17. 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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