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Touchscreens or Human Machine Interface (HMI)

3.      Surface Acoustic Wave Touchscreen technology
The Surface Acoustic Wave Touchscreen technology contains two transducers (transmitting and receiving) placed along the X-axis and Y-axis of the monitor’s glass plate along with some reflectors. The waves propagate across the glass and are reflected back to the sensors.  When the screen is touched, the waves are absorbed and a touch is detected at that point. These reflectors reflect all electrical signals sent from one transducer to another. This technology provides excellent throughput and image clarity.
Pros and Cons: 100% clarity is obtained as no metallic layers are present on the screen, it can be operated using passive devices like stylus, glove or finger nail. Screen can get contaminated with much exposure to dirt, oil which may haunt its smooth functioning.
Surface Acoustic Wave Touchscreen

Comments

One or two to reemmber, that is.

marvalous information....

 

after reading that i  know what is the difference between iphone touchpad and other phone ............................................................nice it verry excellent,really nice

 

 

Nice, I got  more information about Touchscreen

 

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can anybody help me in how to interface such touch screen display ? how to display anything or how to get input? etc....

This article has described touch screen technology comprehensively.It's very usefull.I think infrared will be most popular in the future.Not only because it has lower cost than other touch technology,but also it has the plural touch technology,you can build many accurate touch points in a infrared touch screen.I'd like to recommend a infrared multitouch screen,which is easy to get and to set up for end customer.check this:tabler.tv/s/large-touch-screen

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I'm giving a presentation on touchscreen technology thanks 4 this information
I LIKE FROM THIS TOUCH SCREEN ,THANKS FOR THIS PAGE. ..

Capacitive touch interface has come of age and is advancing. Thanks for the info. Loking forward to more 

 

 

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