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What is the difference between the Capacitive Touchscreen and Resistive Touchscreen? Which is better?

Will a capacitive touchscreen work if it is touched with a woolen material?

  • Recently I was reading about the mechanism behind the working of a capacitive touchscreen. As far as I could make out, it would only work if it is touched by skin or any conducting material (so that it can cause the change in electric field bla bla). This means that if it is touched by a non conductor (woolen and rubber gloves, a piece of cloth, greasy fingers, etc..), it would not work.. So in a cold region where one is bound to wear gloves, he/she cannot operate such a device.. Is this correct? Isn't it a biiiiig problem? (I was thinking of buying a touchscreen device after listening to Nancy Bee, but now I'm not sure..I really like the Nokia 701).. A proper answer would really help me decide.. Thanks in advance..

  • Answer:

    hi. Considering we were talking about the n8's flash support, im not sure why i got a mention here lol. How must those in finland cope: the home of nokia? I cant speak for the 701, i know the n8 can operate at -15 to -20 °C (+5 to -4 °F) apparently (ever seen the n8 stress test videos?) but im unsure if that has to do with the capacitive screen or the build. Ur logic is correct, u wouldnt think a finger could work thru a woollen glove. Im in australia and we are currently in summer so i cant test it for u, but truthfully, i use my sleeve or edge of my top to wipe my screen and many times the screen has moved thru a cotton top with my finger in it. It would be a risk to leave ur phone exposed to such extreme cold temperatures and moisture in the air for a long period of time anyway but i imagine if u slipped ur hand out of ur glove for a while if u had to use it, u may be ok. Or perhaps fingerless gloves?

Anish Bora at Yahoo! Answers Visit the source

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The reason why a touchscreen will not work when touched by gloves or wool is because the material will block the heat transmission. Basically, when your hand touches the touchscreen, an energy transfer is created thus changing what is on the touchscreen. When you block that transmission, the touchscreen won't work.

CAPACITIVE touchscreens work by sensing the electrical properties of the human body, while RESISTIVE ones operate by sensing direct pressure applied by the user.

Mushroom

A cap touch screen will not work when the finger (or conductive surface) is blocked from the screen. They make special gloves that work with touch screens though.

Andy

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