I built my one working Panasonic CF-18 Toughbook from two units whose display assemblies were pretty much the same other than their input methods. One used a regular touchscreen, the other had a nice Wacom digitizer.
I built my system with the Wacom but I'm having interference issues.
In the center of the screen from top to bottom, everything is fine.
From the left and right sides and going an inch inwards however the cursor wobbles left and right.
If the pen is angled outwards from the screen, the wobble gets worse. If it's angled inwards, the wobble lessens or goes away.
This makes calibration impossible and using scrollbars on fullscreen windows is a bitch.
The first obvious thing to point out is that the screen assembly is metallic and on the left and right sides are the antennas for the wi-fi, bluetooth, and CDMA/3G which hide under black plastic covers. Currently the only used antennas are the main/aux wi-fi antennas which are placed on either side respectively. I can't see the wireless causing this (though I have not yet unplugged the antennas to check) and the CCFL inverter is at the top of the screen and isn't a source of notably worse interference. Seeing how nobody else has complained about this and I can't see how to change frequencies for the pen like on my Calcomp, the best I can think of is I somehow messed the transplant up somehow.
No idea what I did though.
I built my system with the Wacom but I'm having interference issues.
In the center of the screen from top to bottom, everything is fine.
From the left and right sides and going an inch inwards however the cursor wobbles left and right.
If the pen is angled outwards from the screen, the wobble gets worse. If it's angled inwards, the wobble lessens or goes away.
This makes calibration impossible and using scrollbars on fullscreen windows is a bitch.
The first obvious thing to point out is that the screen assembly is metallic and on the left and right sides are the antennas for the wi-fi, bluetooth, and CDMA/3G which hide under black plastic covers. Currently the only used antennas are the main/aux wi-fi antennas which are placed on either side respectively. I can't see the wireless causing this (though I have not yet unplugged the antennas to check) and the CCFL inverter is at the top of the screen and isn't a source of notably worse interference. Seeing how nobody else has complained about this and I can't see how to change frequencies for the pen like on my Calcomp, the best I can think of is I somehow messed the transplant up somehow.
No idea what I did though.
<----Computer says I need more beer.