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is this possible in WM phones, when you take the phone outa ur ear the screen lights comes on? just curious
I don't think there is a WM phone right now that has this ability, however most WM phone are set to turn off display automatically after few seconds when a call begins, and it turns on auto when you finish the call.
I just don't get the point of wasting the battery to power the IR sensor just to turn off the screen when its near your ear! when the OS can do that job in an easy way.
I'm not saying it's not cool thing to have , but it's not necessary.
cheers mate
Phones with light sensors can do this, such as the diamond.
Please ask your questions in the Q&A Section of the forums.
Touch HD/Blackstone has a proximity sensor, like the oh-so 'lovely' (ugh) iPhone.
Solving problems that don't exist, one stupid app at a time.
appan said:
is this possible in WM phones, when you take the phone outa ur ear the screen lights comes on? just curious
Click to expand...
Click to collapse
yes there are wm phones with proximity and light sensors such as the the diamond/light, touch pro or fuze/light, touch HD/I think prox. the lg invite has a proximity sensor, I think the omnia has a prox too.
I think the light sensor is more versatile because u can have your phone adjusts it's backlight according to the amount of light around it.
khaytsus said:
Solving problems that don't exist, one stupid app at a time.
Click to expand...
Click to collapse
Well, I wouldn't exactly say that. It has happened to me a couple of times that I accidentally ended a call with my cheek or by shifting the phone from one hand to the other and accidentally touching the screen. I have a Blue Angel, which is not exactly a small piece of equipment so changing hands during a long call is kind of a must (if you don't have a BT headset that is)...
Not a bad concept, however, duke911 has a good point. You can do this by software without having to have the IR, which is a pretty good drain in the battery, on all the time. Maybe a small script to change the lead time between the time the phone call starts and the time it takes for the screen to turn off. I don't know jack about programming but it doesn't seem like a difficult task...
Please move this discussion to the Q&A section
Related
Caution: not-so-skilled people ask for help to more skilled friends !!!
How a proximity sensor works:
Basically there is a modulated infrared emitter and a correspondent IR receiver. When the modulated light is reaching the receiver, the sensor will become active.
In the mobile phones, the structure is built like in the below drawing. When an object is close enough, the reflected modulated light will be captured by the sensor and it will activate it.
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The problem in some phones is that for various reasons the sensor is hyper-sensitive. This should be translated to sensor becoming active when an outside object is even fairly far from the glass surface. But the problem is exactly the glass surface. The sensor is so sensitive it will catch even the refracted light from the glass (remember optics studied in school ?). Some of the light emitted by the emitter will be refracted from the very glass body back to the receiver.
The temporary fix was to "rub" the sensor area while in a call and suddenly the sensor was acting normally. This was caused by the fact that all that reflected light (from the finger) was supersaturating the sensor so, when obstacle was removed, the sensor was no longer hyper-sensitive, at least until the next power-up (next call).
The solution I tested (and apparently it works) is to create some sort of a light attenuator to place in front of the proximity sensor, but under the glass. Well .. the idea came to me while fixing an old remote control .
I'll let the pictures below to speak (thousand words for each ... pretty long story ) ... click on thumbnails for full 1200x800 size.
In case you are applying the mod, please leave a word here, so me (and others) will know the outcome.
I had not even a proximity misfire since I implemented this (roughly 48 ours ago) .
The opened phone (you will fond on the web lots of HOW-TO's about dismantling the defy):
The front case and the board - parts of interest:
Close-up:
Filler material :
"Attenuator" mounted:
View with the phone assembled back:
This seems really promising, I'll give it a try when I can find a suitable translucent material and post the results.
Sent from my MB526 using xda app-developers app
Very cool!
The proximity sensor is actually a part of the motherboard, interesting.
So in my case that my proximity sensor is broken and my LED is permanently on, the only way to fix it would be getting a new motheborad, in another words a new phone. Right?
Ok i dont have much light bleed from the edges of the screen, i dont have (so far) screen separation, but on the other side, i have one weird issue with the screen, this issue just started about 4 days after purchase. Now I see some light (you read well) coming in the form of two little filaments, very short about a quarter of an inch, separated by black, now these light filaments are on the left side of the screen about in the middle, But they do not show where the screen is, they are on the black bezel, in vertical fashion, aligned to the screen about halfway from where the screen ends and the side begins, right smack in the middle of the black bezel, i believe that is the right word.
My question is obvious, what could this be??? ps. i know it is light coming from these cracks or whatever they are because when i turn up the brightness these spost appear brighter as well.
I am not sure i have explained the problem too well, taking pictures might not help....this is my issue, im asking you all for you help..
Thanks
Daniel
I've had the same issue. Strange light bleed from underneath the black bezel under the screen:
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(This issue isn't visible in this photo. I marked where it is located).
Today i received my Nexus 7 from ASUS Repair Centre in Poland. They replaced the whole screen (LCD+Touch+Silver bezel) due to screen lifting. Now i don't have any lifting and this strange light bleed.
Did you resolve the light issue by sending the tablet to asus for the screen liftin problem? is it fixed now? could the light issue be a sign of a screen lifting problem in progress that is gonna manifest soon? i just dont know wether to think this is a big problem or a small one..
As I wrote earlier:
"Now i don't have any lifting and this strange light bleed." - after screen replacement.
danielreloaded77 said:
could the light issue be a sign of a screen lifting problem in progress that is gonna manifest soon?
Click to expand...
Click to collapse
No, I don't think so. That strange light bleeding was "out of the box". My screen started lifting after 1-2 weeks.
Hi there,
Quickly after installing a new screen protector sheet on my Motorola Defy, I discovered that it is causing my proximity sensor to be next to useless.
By peeling off the screen protector off the proximity sensor I verified the source of the problem. (The sensor worked properly without the protector sheet on it.)
I used a black permanent marker to mark out the proximity sensor area, to cut out a little window through the protector sheet with a knife.
Drum roll please, we arrive to the part where Newton got an apple to his head and Archimedes ran naked out of his house yelling "Eureka!",
The black permanent marker fixed the problem. once I painted over the proximity sensor (On the screen protector sheet of course!!), It started working fine again. Yeah. Weird.
Yes, Yes, I know, this is life changing information for many of us who just couldn't hang up after dialing the wrong phone number because of sensor problems...
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Cheers,
Shawn
wow.. epic fail on the part of the screen protector maker. did you bring this to their attention? good thing it has an easy, albeit, chinsy fix!
Long ago, I discovered something similar on the myTouch 3G Slide. That phone has a small rubber box cover over the proximity sensor, with a small hole for the sensor to peek through. When I changed the flex ribbon cable, the sensor wasn't working anymore. I eventually realized that on the old cable, there was that small rubber box over the sensor, & the new cable didn't have that. I put the rubber box over the sensor, & now it worked again. It seems that if the sensor is left wide open, it won't work right. I notice that on newer phones, the sensor is usually encased in its own little box in the housing. I guess they need most light around it blocked off in order to work right.
erikoink said:
did you bring this to their attention?
Click to expand...
Click to collapse
-nah, just a cheapie on ebay
This is a well known fix for the proximity sensor issues with aftermarket replacement iPhone glass that doesn't have dark enough tint over the sensor.. (cheap import products not oem) good to know it works in this case too.
Hello,
The tittle resumes the situation : [Proximity Sensor] After Use Phone Stock App for call : Always ON
If I call or receive a call, my proximity sensor turn on (with disable screen proximity ON or OFF !) and it's never cut off, even when the unit is in standby (And more drain battery + dangerous for sensor hardware stay on 24hr/24) !!
I must take a soft reset for stop sensor until I get a new call emit or receive !
A soft reset for each call : I give UP :silly:
I've this problem since stock 4.4.2 and now i applies all OTA hoping that it will resolve but it've never been...
Any other stock applies use sensor like *#0*# or other Air Gesture function, the sensor operate normally... until I pass or receive a call !
An idea ?
***************************************SOLVED :
==> Third Party App bug with phone app of Android, see post #7
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Is something covering your sensor/are you using any kind of screen protector?
Sent from Galaxy Note 3 SM-N9005
thahim said:
Is something covering your sensor/are you using any kind of screen protector?
Click to expand...
Click to collapse
Yes i use a screen protector but since the begining, the problem : infrared led of sensor is contant on...
but the sensor work great when i call cut the screen !
All right, I Wipe Cache & Data + Factory Reset and flash new ROM (recently uptade via OTA) and the proximity sensor functiunaly correctly since...
Old OTA uptade have generate a bug and the reflash + wipe solve problem.:good:
Reappear same problem... I see in the dark...
Just little different, first call, proximity cut functionally correctly and the sensor in not visible (low power proximity sensor infrared led ) and when I cut the call, 2 second after its appear in full power, I see the proximity sensor in hight level of infrared led !!..
Anyone a idea ?!?
Video shoot the bug...
http://youtu.be/sSF4HnpPYGA
I found the problem with an Appkiller, Universal remote App (Smart IR of Color Tiger) generate this problem with his task in rear, and if use phone, task block the proximity sensor in full emit with a drain battery associate !
After bug appear, kill task of Smart IR, the proximity sensor cut 3 second and on (the task re launch immediately), I erase app and no problem !
I had already tried to kill stains but unfortunately I do not have the view that the sensor was cutting briefly ... I was next to last!
The I made in total darkness and I saw the change! :cyclops:
Hello.
I would like to ask about the operation of the proximity sensor in S20 (Exynos).
It sometimes happens to me during a call that the display does not go out when I hold it to my ear.
It's really few times, but it will happen.
Does the proximity sensor work at 100% or is it a defect?
JackalJackalJackal said:
Hello.
I would like to ask about the operation of the proximity sensor in S20 (Exynos).
It sometimes happens to me during a call that the display does not go out when I hold it to my ear.
It's really few times, but it will happen.
Does the proximity sensor work at 100% or is it a defect?
Click to expand...
Click to collapse
When you are at a call, you'll see the top part of the screen flickering next to the front camera.
Thats the proximity sensor. Put a finger there to see if the screen goes dark.
If it does its working fine.
If it doesn't it's defective.
Sent from my SM-G985F using Tapatalk
When I move the phone, the sensor flashes, when I don't move the phone, it does not flash, but the display goes out, but sometimes it happens that it doesn't go out until the next movement.
When I select the code *#77692#, the sensor still flashes and works at 100%.
When making a phone call, the sensor flashes only in motion, the pixel does not flash at rest, a lot of people have written to me that they have it the same.
pbaudis said:
When I move the phone, the sensor flashes, when I don't move the phone, it does not flash, but the display goes out, but sometimes it happens that it doesn't go out until the next movement.
When I select the code *#77692#, the sensor still flashes and works at 100%.
When making a phone call, the sensor flashes only in motion, the pixel does not flash at rest, a lot of people have written to me that they have it the same.
Click to expand...
Click to collapse
Try going to settings- advanced features- motions and features. Then disable the lift to wake phone. That might be causing the problem.
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