TOUCH SCREEN(KOUSHIK PATHAK)

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Presentation Transcript

Slide 1:

SEMINER NAME- KOUSHIK PATHAK STREAM- BCA FINAL YEAR ROLL NO- 092043 SUB- TOUCHSCREEN B.P.PODDAR INSTITUTE

Slide 2:

PRESENTATION ON TOUCH SCREEN

Slide 3:

WHAT IS TO BE EXPLAINED.. INTRODUCTION TO THE TECHNOLOGY HOW IT WORKS ? TOUCH SCREEN DIVERSITY CONTROLERS USED APPLICATIONS CLOSING THOUGHTS

Slide 4:

INTRODUCING THE TECHNOLOGY A touch screen is an input device that allows users to operate a PC by simply touching the display screen. The display screen has a sensitive glass overlay placed on it and we could give the desired input by touching it. A touch screen is based on CRT (Cathode Ray Tube) technology, that accepts direct onscreen input. The ability for direct onscreen input is facilitated by an external (light pen) or an internal device (touch overlay and controller) .

Slide 5:

HOW DOES A TOUCHSCREEN WORK? Main touch screen components: Touch sensor Controller Software driver

Slide 6:

TOUCH SCREEN DIVERSITY Resistive Touch screen Surface wave Touch screen Capacitive Touch screen *Surface capacitive *Projected capacitive Near Field Imaging Touch screen Infrared Touch screen

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5000 RSU SERIAL CONTROLLER Supply Voltage : +5 V DC or +12V Baud Rate 9600 (default) and 19200 Touch Resolution 12bit, size independent. Conversion Time Approximately 15 ms per coordinate set

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APPLICATIONS.. 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 softwares , Scientific applications etc.

Slide 9:

CLOSING THOUGHTS 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.

Slide 10:

THANK YOU

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