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maemo.org - Talk (https://talk.maemo.org/index.php)
-   Maemo 5 / Fremantle (https://talk.maemo.org/forumdisplay.php?f=40)
-   -   New Firmware with QT4.6 (https://talk.maemo.org/showthread.php?t=44821)

rocky272727 2010-02-17 10:41
Re: New Firmware with QT4.6
 
The phone uses

TFT LCD panel is a Sony ACX565AKM with Texas Instrument TSC2005 as touch screen controller and it supports Multi Touch technology. Kindly clarify if it cannot support please

rocky272727 2010-02-17 10:52
Re: New Firmware with QT4.6
 
The difference between Iphone 3GS and Nokia N900 is the screens one used capacitative and other uses resistive and Same CPU, Same GPU.

Looking for more information for it and will be back with more details

rocky272727 2010-02-17 10:55
Re: New Firmware with QT4.6
 
1 Attachment(s)
Apple Iphone 3GS tear down

Source: http://theappleblog.com/2009/06/25/i...ost-breakdown/

aironeous 2010-02-17 11:04
Re: New Firmware with QT4.6
 
Stantum multi touch just barely made it into a production screen like a month or so ago so how can N900 have stantums tech?

rocky272727 2010-02-17 11:20
Re: New Firmware with QT4.6
 
Quote:
Originally Posted by aironeous (Post 531863)
Stantum multi touch just barely made it into a production screen like a month or so ago so how can N900 have stantums tech?
Stantum's technology is a software-based refinement to resistive touchscreens that allows for accuracy beyond the pixel density of the display, a complete lack of touchscreen "jitters" and some fairly incredible input methods. So it Nokia N900 has the hardware (Which I think it has) then a software update can load Stantum into is as well.


Correct me if I am wrong

ossipena 2010-02-17 11:24
Re: New Firmware with QT4.6
 
Quote:
Originally Posted by rocky272727 (Post 531886)
Stantum's technology is a software-based refinement to resistive touchscreens that allows for accuracy beyond the pixel density of the display, a complete lack of touchscreen "jitters" and some fairly incredible input methods. So it Nokia N900 has the hardware (Which I think it has) then a software update can load Stantum into is as well.


Correct me if I am wrong
There are working implementations of multi-touch by Gary Birkett
http://liqbase.net/liqbase_classic.html (see title multitouch simulation)

works with n800 etc but I'd say that the demo video requires more from resistive touchscreen that any maemo device has packed in.

depu 2010-02-17 11:24
Re: New Firmware with QT4.6
 
Quote:
Originally Posted by rocky272727 (Post 531826)
The phone uses

TFT LCD panel is a Sony ACX565AKM with Texas Instrument TSC2005 as touch screen controller and it supports Multi Touch technology. Kindly clarify if it cannot support please
Neither of those supports multi touch. Where did you get that particular piece of info?
The TSC2005 is a *resistive* 4wire configuration controller.

twaelti 2010-02-17 11:29
Re: New Firmware with QT4.6
 
PS: the touchscreen itself is a KIA-V12F KIAV12H according to this LCD replacement website . However, there is not a single hit on Google for this or similar article numbers.

depu 2010-02-17 11:33
Re: New Firmware with QT4.6
 
Quote:
Originally Posted by twaelti (Post 531900)
PS: the touchscreen itself is a KIA-V12F KIAV12H according to this LCD replacement website . However, there is not a single hit on Google for this or similar article numbers.
Hardware Specs is what i refer to. From the looks of the name KIA-V12F KIAV12H it might be a internal part reference number, but i am not sure of that.

depu 2010-02-17 11:38
Re: New Firmware with QT4.6
 
Quote:
Originally Posted by rocky272727 (Post 531886)
Stantum's technology is a software-based refinement to resistive touchscreens that allows for accuracy beyond the pixel density of the display, a complete lack of touchscreen "jitters" and some fairly incredible input methods. So it Nokia N900 has the hardware (Which I think it has) then a software update can load Stantum into is as well.


Correct me if I am wrong
Sorry again, but we seem to end up on opposite sides :)
Stantum's technology sounds more like a hardware based touchscreen implementation since Stantum manufactures multi-touch touch screens.
From their site
Quote:
Here is how Stantum-type touch-panels are manufactured:

1. Two thin and transparent (glass or plastic) overlays are covered with conductive material
2. The material is patterned in rows on one side and columns on the other, transforming the layers into a matrix of conductive tracks.
3. The two layers are assembled superposed, the conductive sides facing each other and separated by a spacing material (transparent dots, air, etc.).


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