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You are here: Home » Capacitive Touch Screen : Brief Details

By Abhishek Ghosh June 6, 2012 6:06 pm Updated on June 6, 2012

Capacitive Touch Screen : Brief Details

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Capacitive Touch Screen work on the principle of Capacitive sensors which work based on the change in the capacity of a single capacitor or an entire condenser system. Capacitive Touch Screen can be effected in various ways, which are mostly done at hardware level. Previous to this article on Capacitive Touch Screen, we published another article on Touch Screen in general.

 

Technology behind Capacitive Touch Screen

 

Capacitive Touch Screen works on the principle of Capacitive sensors which work based on the change in the capacity of a single capacitor or an entire condenser system. Capacitive Screen can be effected in various ways, which are mostly done at hardware level.

The basic principle of a capacitive sensor as well as Capacitive Touch Screen is based on the principle that the two plates form an electrical capacitor whose capacitance can be influenced on touch.
First plate of the Capacitive Touch Screen, that is the surface of Capacitive Touch Screen which we actually touch when touched, the effect can be measured. Touch or gesture changes electrically measurable capacitance of Capacitive Touch Screen. The panels of Capacitive Touch Screen is rigid and the capacitance changes, either because the electrically conductive material or dielectric material is placed in the immediate vicinity.

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Capacitive Touch Screen

 

By the capacitive pressure sensor if present on a Capacitive Touch Screen, the capacitance changed is evaluated as a result of bending of a membrane and the resulting change in plate separation as a sensor effect. The membrane is designed here as a capacitor plate. The capacitance changes are fairly small, so that a suitable processing electronics must be integrated with high sensitivity.

 

Usages of  Capacitive Touch Screen

 

The most common usage of Capacitive Touch Screen today is for the Tablet PC which runs either Android Operating System or iOS (Apple’s iPad Series). Similar small devices with similar Operating Systems like  a Touch enabled SmartPhone is usually also uses a Capacitive Touch Screen. Many industry specific devices like a device that is to be operated inside an Operation Theater can also have Capacitive Touch Screen.

 

Signature Tagged With capacitative display , capacitive touch , capacitive touch screen , capacitive touch screen details , capacitive touch screen language:en , Install capacitor sensor kernel Android , Touch pad sensor , touch screen principles

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Abhishek Ghosh

About Abhishek Ghosh

Abhishek Ghosh is a Businessman, Surgeon, Author and Blogger. You can keep touch with him on Twitter - @AbhishekCTRL.

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About This Article

Cite this article as: Abhishek Ghosh, "Capacitive Touch Screen : Brief Details," in The Customize Windows, June 6, 2012, February 6, 2023, https://thecustomizewindows.com/2012/06/capacitive-touch-screen-brief-details/.

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