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-   -   TOHKBD rev2 (https://talk.maemo.org/showthread.php?t=93156)

Kabouik 2015-04-08 23:08

Re: TOHKBD rev2
 
Quote:

Originally Posted by dirkvl (Post 1466104)
Yes this is something I realized after ordering and soldering all the pcbs.. But in my use here I have noticed no issues whatsoever in signal strength, so hopefully in the less signal-generous areas this will not cause issues. But again, no signal issues on this side.

This remains a big concern for me, as I've noticed severe malfunction of the antennas with the diptoh and the solartoh, and so did Clovis, while we have absolutely no network issues with Jolla OHs or toholed. Same observation for me in several different cities. This is something I've reported in the diptoh's thread (or solartoh's or tohkbd2's, can't remember) a few months ago, but got no real answer or testing on the matter, except another TMO member who said he didn't notice such severe network losses.

As posted in the aforementioned message, I admit I'm worrying a bit if tohkbd2 is designed the same way/covers antenna areas. It seems that not all Jolla units and/or connection providers among countries are equal (Clovis and me are French, both couldn't use phone with diptoh and/or solartoh, and there are not many other active French members here who use these OHs, so we lack additional feedback). :[

P@t 2015-04-09 09:09

Re: TOHKBD rev2
 
Quote:

Originally Posted by Kabouik (Post 1466136)
This remains a big concern for me, as I've noticed severe malfunction of the antennas with the diptoh and the solartoh, and so did Clovis, while we have absolutely no network issues with Jolla OHs or toholed. Same observation for me in several different cities. This is something I've reported in the diptoh's thread (or solartoh's or tohkbd2's, can't remember) a few months ago, but got no real answer or testing on the matter, except another TMO member who said he didn't notice such severe network losses.

As posted in the aforementioned message, I admit I'm worrying a bit if tohkbd2 is designed the same way/covers antenna areas. It seems that not all Jolla units and/or connection providers among countries are equal (Clovis and me are French, both couldn't use phone with diptoh and/or solartoh, and there are not many other active French members here who use these OHs, so we lack additional feedback). :[

I am in France (using Free) and have not seen bad signal with solartoh. I live in a dense area so signal is always quite strong anyway so not sure that this is a good place to test.
Next time I am going to some place where signal is weak, I will try to think about testing with that toh...

HtheB 2015-04-09 09:19

Re: TOHKBD rev2
 
Quote:

Originally Posted by deryo (Post 1466125)
Damn! Well, you can't think of everything. I hope I too won't see any less signal strength.

I hope that you realize that the compass will also not be usable anymore because of the magnets :p

dirkvl 2015-04-09 09:57

Re: TOHKBD rev2
 
Quote:

Originally Posted by HtheB (Post 1466155)
I hope that you realize that the compass will also not be usable anymore because of the magnets :p

We have tested it and it works fine! #surprise

HtheB 2015-04-09 10:13

Re: TOHKBD rev2
 
Quote:

Originally Posted by dirkvl (Post 1466160)
We have tested it and it works fine! #surprise

Great news!!!
Now I can find my way and never get lost...!! :p

juiceme 2015-04-09 10:33

Re: TOHKBD rev2
 
Quote:

Originally Posted by dirkvl (Post 1466160)
We have tested it and it works fine! #surprise

I tried to fool the compass once with magnets but found out it does not affect the device at all. From this I concluded that it is not a magnetic (hall device) compass at all, but rather some inertial dingbat...

MartinK 2015-04-09 11:01

Re: TOHKBD rev2
 
Quote:

Originally Posted by juiceme (Post 1466163)
I tried to fool the compass once with magnets but found out it does not affect the device at all. From this I concluded that it is not a magnetic (hall device) compass at all, but rather some inertial dingbat...

That would not work - not on any reasonable time frame, when you turn the device off, etc. But it could indeed be combining magnetic field data with data from other sensors (gyroscope, accelerometer, etc.) to get a better reading and filter out interference (such as juicemes magnets ;-) ).

juiceme 2015-04-09 11:11

Re: TOHKBD rev2
 
Quote:

Originally Posted by MartinK (Post 1466167)
That would not work - not on any reasonable time frame, when you turn the device off, etc. But it could indeed be combining magnetic field data with data from other sensors (gyroscope, accelerometer, etc.) to get a better reading and filter out interference (such as juicemes magnets ;-) ).

Could be. Or else it is just GPS+inertial without anything magnetic...
(If it is something to do with GPS then it would require the device to move a little in order for the GPS to record the diretion it is going... then inertial/acceleration fix to determine which way is the north-pointing edge... fairly complex operation.)

pichlo 2015-04-09 12:12

Re: TOHKBD rev2
 
I just HAD to try it. My Jolla's compass did not react to the magnet at all. And I tried VERY hard, from all sorts of angles and positions. The compass in a colleague's smart watch went completely berserk from about 50cm distance.

dirkvl 2015-04-09 12:19

Re: TOHKBD rev2
 
Quote:

Originally Posted by pichlo (Post 1466180)
I just HAD to try it. My Jolla's compass did not react to the magnet at all. And I tried VERY hard, from all sorts of angles and positions. The compass in a colleague's smart watch went completely berserk from about 50cm distance.

The Blackphone resets when TOHKBD is near :p

No problemo for Jolla


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