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Ideas on ponder on… for touch screen.

with 7 comments

Just a quick thoughts that came to mind.

Currently on pdas or touch screen smartphones, there are two main type of screen technologies. One is the traditional pressure sensitive type found in most-last-year pdas or smartphones. The other is the one made famous by the iPhone, which is the capacitive type that respond only to materials that conduct current (if not mistaken).

Now, ever since the iPhone is out, there’s been a wave of ‘imitation’ phones from different manufacturers like HTC, Samsung and more… that mimic the user experience through running another software layer on top of Windows Mobile 6.1. Great try… But I do notice that so far, all of them are still using pressure sensitive screen and not capacitive screen like the iPhone.

Why is that the case? My guess is because Windows Mobile 6..1 at its core is still a stylus type experience as the system level control panel or the bundled application like Word, Excel are still designed with stylus in mind… example being the scroll bar at the side.

Now here’s my thought. Assuming my understanding of capacitive screen is right, can some one just invent a stylus that has a capacitive tip… and then design the device screen with capacitive screen just like the iPhone so that, on both occasion it will work!!! Too simple or too complicated?

I look at the HTC Touch Diamond and the Samsung Omnia i900… they did a great job on top of Windows Mobile but at the end of it, there’s still stylus needed which is fair enough as Microsoft needs to ‘fix’ it in WM7 if they deem that as a problem. But the screen, as seen on the HTC Touch or Samsung Omnia, with their UI shell over it, is not so responsive to the pressure sensitive screen as opposed to the capacitive screen…

Just invent the stylus that can work on the capacitive screen and problem solved.

Or am I being too naive…

(updated as of 18th June…)

According to Wilfred, a geek from SIM and a friend… there’s actually such thing!!!

http://www.tenonedesign.com/stylus.php

Is it a gimmick? or is it true?

Can someone from Windows camp like HTC or Samsung use a capacitive touch screen!!!

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Written by gooddealz

June 17, 2008 at 3:50 pm

Posted in Opinions

7 Responses

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  1. one can only wonder why no one has bothered manufacturing a stylus for the iPhone…

    Well actually there’s one but it seemingly didn’t catch on which is odd.
    http://www.tenonedesign.com/stylus.php

    Some say its a gimmick, because unless they’ve manufactured that tip to be conductive then I think it’s a useless stick.

    On the other hand, we can conclude that the human touch, one of our most basic interactions with the world around us is just so important and perhaps the next big thing. Even HTC tried to skew their marketing material to highlight the touch…

    Wilfred

    June 17, 2008 at 4:01 pm

  2. Wow! Wilfred, you the man!!!

    One thing about the touch is the smudges… and oil.. Unless the next big thing is actually some material over the surface that reduces smudges and stuff from sweat…

    Anonymous

    June 17, 2008 at 4:12 pm

  3. Let’s face it, the oil will always be there. it’s a natural occurrence but how can we work with it. I believe the answer has been staring at us all the while. It’s anti glare film.

    let me qualify that it doesn’t entirely get rid of smudged and fingerprints but reduces them by a significant amount. If we’re hell bent on stopping smudges, we’d get down to the root and replace our finger tips with synthetic ones. That way, criminals won’t leave prints behind and we’d have pristine looking glossy surfaces.

    I read on this blog about how the user discovered the smudge-free ‘feature’ of his anti-glare film for the iPhone.

    http://www.50leaves.com/apple/osx/itunes/how-to-make-your-iphone-almost-smudge-free/

    Wilfred

    June 17, 2008 at 4:30 pm

  4. Have a look at the ShapeWriter app for iPhone for one compelling reason to use a stylus. I think it is a brilliant fast and intelligent input device, but even with fairly small fingers like mine, it is difficult to get the speed and accuracy I would be able to achieve with a stylus. And no smears. Pogo do a stylus – your link in your initial post above, and there are a few others (search ‘iPhone stylus’). My question for you technorati is…what is the stuff that offers the same capacitance as my finger – because I am sure I can make my own stylus…I know it’s a dense foam of some kind, and I know it is dark – maybe some carbon in there. Any guesses?

    fliegery

    July 18, 2008 at 12:23 pm

  5. Does anyone know a good source of capacitive adhesive they use on the mobile phones?

    darin

    October 1, 2008 at 3:03 pm

  6. The Samsung Omnia IS a capacitive screen. There is a stylus you can use, but you really dont need one because it has the optical mouse…

    Alfred

    December 29, 2008 at 5:23 am

  7. Don

    July 17, 2009 at 6:46 am


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