Touchscreen Guide

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2. INTRODUCTION TO THEINTRODUCTION TO THE
TECHNOLOGYTECHNOLOGY
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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
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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
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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.
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9. Diagram showing How it Works
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10. * Resistive Touch Screen
* Capacitive Touch Screen
* Surface Acoustic Wave Touchscreen
* Infrared Touch Screen
Types of Touch Screen
Technologies:
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11. Resistive Touch Screen
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12. Capacitive Touch Screen
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13. Surface Acoustic Wave Touchscreen
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14. Infrared Touch Screen
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15. 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.
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16. 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
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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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