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What is a touchscreen

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1What is a touchscreen Empty What is a touchscreen Fri Jul 27, 2012 5:07 am

Toddo


Admin

When the user touches the screen with your finger to produce a small electrical disturbance is sensed by the sensor interface and then checked for exact position on the screen. After setting the screen position to achieve interface converts data in x / y coordinate that calculatorului.Interfata forward is to filter spurious signals and is adjusted only for interaction with a human body are eliminated so that accidental touching objects or disturbance caused by dirt or liquids.

The sensor consists of several layers:
- A conductive layer.
- Support the glass.
- A conductive layer.
- Electrode sensor's.
- Transparent protective layer "Clear Tek" which improves wear resistance and protection.

ClearTek capacitive technology offers great sensitivity and accuracy to achieve user, while having a remarkable durability. ClearTek provides resistance to scratches, liquids, chemicals, abrasives, against deposit prafului.Un ClearTek sensor was tested in a laboratory environment to withstand over 225 million touches without significant degradation suprafetei.Tehnologia ClearTek capacitive touch solution is preferred for applications requiring fast and precisa.Senzorul touch flat capacitive Profile incorporates advanced construction and manufacturing that result in a sleek, smooth, providing easy installation in flat panel monitors. ClearTek touch screens robustness is due to a transparent film which greatly increases surface durability and scratch resistance increasing substances, abrasive materials.

Resistive Technology
Compared with the resistive capacitive technology uses two electrically conductive surfaces, transparent positioned at very small distance from each other and separated by a very fine network izolatie.In points when the user touches the screen point contact occurs between the two surfaces and interfaces implement to achieve the position coordinates x / y computerului.Senzorii resistive send you the advantage that can be operated with a "pencil" or even the glove hand, are cheaper and more easily produced than the capacitive thus preferred by equipment manufacturers or systems integrators for use in cheaper household or industriale.De resistive sensor also has the advantage to withstand dust, liquids or other contaminants and provides the user with a "feedback" with little resistance to the touch. (Compared with a capacitive sensor that requires no push)
5-wire resistive technology touch ensure fast, accurate and reliable if flexibility is the most important requirement. Rezitiv 5-wire sensor responds to the achievement made by finger, credit card, or even a finger less. 5-wire resistive technology was tested in laboratory environment to withstand over 35 million mechanical touches without significant degradation of the surface. 5-wire sensor uses sophisticated technology to maintain accuracy in a wide range of environments throughout the life of the product.

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