Dealing with the sensor issue

Based on 100% consistent results testing 4 demo phones at the Apple store today, plus the genius' phone as well as my own - not to mention responses I've gotten here, I think most problems people have with the proximity sensor is because the sensor goes to a lower power (or fewer pulses) when you have it on your ear.
Some normal movements can cause the power to go even lower so that even when on your ear, the screen can turn on if your ear canal is deep enough and you place the sensor right over that.
Video proof at http://picturehawaii.blogspot.com/201009_01archive.html
Most important test, so far, is third from the top on that page.
With this experience in mind and knowing some people see no real-life problems, I would suggest considering the following things:
1. Are kids having a problem (smaller ears may be a big benefit considering the problem).
2. Do women have the problem as much as men (maybe smaller ears or maybe hair over the ear makes a difference).
3. What is the shape of your ear? Don't know how to guide you in making such comparisons, but it is likely a factor.
As you consider these things, there are some results I can't explain - unless it is just random chance. Key one is why do some people get improvement with 4.1 and others have it get worse? I sure don't know.

I know. I have a 3G which never had this problem.
But how do you know it is a hardware problem? I've clearly shown the distance CHANGING and no one has given an explanation for how the things I did in testing would cause that by hardware.
Another user posted how the sensor power or pulses are reduced and that would be controlled by software.
Not saying hardware can't be involved as well, but I think the tests show software is a major factor.
But I'm open to an explanation for how the hardware would be affected by what I'm doing.
Oh, and while I did a lot of tests with the card, I've started working today on doing it with my fingers and the results are NOT good.
As I expected, the card is probably more reflective than skin so the tests I've done so far with my finger shows the screen turning off at a lower distance to start and even lower as the test progresses.
Unfortunately, measurement is going to be even more imprecise this way. A finger isn't as flat for one thing, and it is harder to be sure it is directly over the sensor. That may also reduce the distance.

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