touch screen ppt by guru
TRANSCRIPT
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SHRI G. S. INST. OF TECH. & SCIENCE
2
Submitted To :- Mrs. Anuradha PurohitMr. Abhishek TripathiMiss. Sujata Gudge
Submitted By :- Mr. Abhishek Guru
PRESENTATION ON TOUCHSCREEN TECHNOLOGY
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INDEXIntroductionHistoryWorking of touchscreen technologyLatest developmentApplicationPros & ConsConclusion
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Introduction
A touch screen is computer display screen that is sensitive to human touch.
The display screen has a sensitive glass overlay placed on it and we could give the desired input by touching it.
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HISTORYIn 1965, the first “touchscreen” was developed by E.A. Johnson.{i.e. capacitive touch technology}In 1971, The first transparent touch screen was developed by Dr. Sam Hurst.
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Working of TouchscreenMain Components : -
Touch Sensor Controller Software drivers
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Touch SensorA 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 .
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ControllerThe controller is a small PC card that connects between the touch sensor and the PC.
The controller determines what type of connection you will need on the PC.
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DriversThe driver is a software that allows the touch screen and computer to work together.
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* Resistive Touch Screen* Capacitive Touch Screen
Types of Touch Screen Technologies:
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Resistive Touch Screen
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Capacitive Touch Screen
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Here , we are going to understand how resistive touch technology works and differtent from capacitive technology.
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Introducing a New Touch Screen SystemIt’s a touch screen where the screen itself is the sensor. NFI uses asophisticated sensing circuit that can detect a conductive object - a finger or conductive stylus - through a layer of glass.
NFI
TOUCHSCREEN
TECH.
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Applications
Applications
Gaming
Industrial and
Medical instrument
ation
Market Reserch
Mobile phones
and Tablets
ATM’s and
Banks
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ConsDirect pointing to the objects.Fast.Finger or pen is usable (No cable required).No keyboard necessary.
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.
Pros
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Today, a larger share of population is PC literate, yet the touchscreen has become adopted by computer users of all abilities because it is simple, fast, and innovative.
In future there is no usage of mouse and keyboards as they will be replaced by touchscreens.
Conclusion
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STUDIED FROM ……
• www.study.com• www.wikipedia.com• www.computerhope.com
References
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