okay.. i looked through the manual when I got the phone and. it says theirs an led to the left of the speakers.. and I'm like no? lol its obviously to the right.. well I called someone on accident tonight and was looking at my phone and a little light lit up to the left of the speaker..anyone know what it's for? lol i is it only calls or what..
seems pretty useless =/ ide rather have a multi colored LED like the evo or evryother phone instead of two red leds lol
Sent from my SPH-D710 using xda premium
I believe those are the camera & light sensors.
Sent from my SPH-D710 using xda premium
Yeah dude those are totally you FFC (front facing camera) and the proximity sensor
Woah wtf CONFIRMED. Seriously just checked and although its very dim, there IS a light on the left corner of the speaker. Its a dark red. I called bull until I tested it. Here's how to see it:
Make a call in the darkest area possible ( the light is very dim) and look directly over the S in SAMSUNG. Interesting!
Edit: ok not an led you're right its the proximity sensor glowing red. If you cover it with your finger, the screen shuts off during a call
Epic-ly tapped from my Galaxy SII
Zoidpilot said:
Woah wtf CONFIRMED. Seriously just checked and although its very dim, there IS a light on the left corner of the speaker. Its a dark red. I called bull until I tested it. Here's how to see it:
Make a call in the darkest area possible ( the light is very dim) and look directly over the S in SAMSUNG. Interesting!
Edit: ok not an led you're right its the proximity sensor glowing red. If you cover it with your finger, the screen shuts off during a call
Epic-ly tapped from my Galaxy SII
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the sensors right next to it if look at it in a very well lite environment like outside on a sunny day. the light that glows red is to the right of the sensor
Sent from my SPH-D710 using xda premium
The one that you can see is actually the proximity. The other is the ambient light sensor for the auto brightness. Get over it.
RainMotorsports said:
The one that you can see is actually the proximity. The other is the ambient light sensor for the auto brightness. Get over it.
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lol jeez, okay, thanks. lol
Sent from my SPH-D710 using xda premium
RainMotorsports said:
The one that you can see is actually the proximity. The other is the ambient light sensor for the auto brightness. Get over it.
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Actually that's not totally correct. The hole directly to the right of the front-facing camera is a photodiode. When a call is in progress it acts as the proximity sensor, and all other times it is the ambient light sensor. To the right of that is an infrared LED - these cast a dim red glow that you can barely see in dim conditions, but if you were to look at it through the lens of a camcorder or digital camera (which are sensitive to infrared light), you will see that it lights up brightly - indicating a large amount of infrared. Skin is very reflective when it comes to infrared. When the infrared light coming out of the LED bounces off your skin and back to the photodiode, the system knows that the phone is against your head and turns the screen off.
Yeah somewhere in the back of my head i knew they likely worked in tandem. Obviously the proximity sensor needs a reciever to pickup the reflected wavelengths. Good info.
Related
Is everyone 100% sure that the TMO TP2 doesn't secretly have a front-facing camera? (just like how the HD2 secretly had extra RAM)
I can see the hole, exactly where it is supposed to be in the international version. I'm wondering if there is a camera behind it.. or just a hole...
I just realized that the hole was there after looking very very closely. Its to the right of the speaker that you hold your ear up to.
Just some food for thought
EDIT:
-Oh and its not the proximity sensor, that's on the left side of the front speaker
-And I put my phone on auto-adjust backlight and when I put my finger over it, the backlight doesn't change so I doubt that it is the light-sensor either
i know what ur ralking about i thought that it was for more sound, like a bass or something
aestivalisakito said:
i know what ur ralking about i thought that it was for more sound, like a bass or something
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ME TOO! lol
Make a phone call and then cover that hole with your finger and see if the screen turns off. My guess is it's the proximity sensor.
dwizzy130
the proximity sensor on the tilt 2 and similar touch pro 2's is above the c in htc. if you tilt the light just right you can see it. the european touch pro 2 has the camera where my carrier logo is. im not sure what that is on the tmobile version but i dont think its the camera. or even the proximity sensor.
The front-facing camera on my UK TP2 is a lot further away from the centre of the phone than that.
That is not a camera. That's the light sensor used to auto-adjust the screen brightness.
dwizzy130 said:
Make a phone call and then cover that hole with your finger and see if the screen turns off. My guess is it's the proximity sensor.
dwizzy130
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Nope, its definitely not the proximity sensor... that's on the left of the front speaker.
cinguliano said:
That is not a camera. That's the light sensor used to auto-adjust the screen brightness.
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When I adjust the lighting for only the spot where I think the camera is, my phone does not adjust its backlight...
So you could still be right, but right now I doubt its the light-sensor
skyler17 said:
When I adjust the lighting for only the spot where I think the camera is, my phone does not adjust its backlight...
So you could still be right, but right now I doubt its the light-sensor
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Actually it does...try this: hold your thumb over that spot for about 5 seconds, then pull it away...within 2 seconds the screen will probably dim. I just did this test at my desk, under normal flourescent office lights, and that's what happened. I repeated it 3 times with the same results.
sirphunkee said:
Actually it does...try this: hold your thumb over that spot for about 5 seconds, then pull it away...within 2 seconds the screen will probably dim. I just did this test at my desk, under normal flourescent office lights, and that's what happened. I repeated it 3 times with the same results.
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We have a winner!
WHO DAT!
Geaux Saints!
Pendarus said:
We have a winner!
WHO DAT!
Geaux Saints!
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DREW DAT! lol and Sean, and Reggie, and Marques, and Scott, and Jeremy, etc etc
no thats not the light sensor. the light sensor is the speaker grill on the right. it looks like a notification led that never lights up. still not sure what that circle is but i have a feeling its nothing.
This is a dumb question but it seems to me the track pad should have a light. Just wondering I'd it is supposed to but I have a bad phone.Does the dinc have an lcd for the track pad?
Sent from my ADR6300 using XDA App
The track pad doesn't have a light. The notification light is next to the ear piece if that's what you were looking for.
Cole119 said:
The track pad doesn't have a light. The notification light is next to the ear piece if that's what you were looking for.
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Not sure what you mean. Just thought the track bitten should habr a lcd
Sent from my ADR6300 using XDA App
I understood what he meant...there isn't a light there...your notification light is at the top of the phone.
Sent from my ADR6300 using XDA App
my trackpad lights up black? No one else has this function?
But seriously, umm, there's no led or "lcd" in our trackpad. The optical trackpad was the replacement for the trackball (which on several devices..nexus one, g1, hero light up).
Ha ha. Maybe mine lights up black also. If so the problem is that the light is stuck on
marcmarshall said:
Ha ha. Maybe mine lights up black also. If so the problem is that the light is stuck on
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Seriously??
The trackpad uses light to devtect movement so obviously there couldn't be a light in it. Think of it as a eye
Sent from my Incredible using XDA App
I wear a lantern helmet to look at my track pad.
It uses an infrared light, can't see it to the human eye.
The droid incredible does have a light. Thats Why Its called An optical trackpad. Their is a small infrared light in the center of the track pad that reads your finger movements. Kind of like the red light you see on the bottom of some modern computer mouses. If you are in a dark room and start using the track ball; you tilt the phone at an angle you can see a red light inside. You can also see it as you are unlocking the locksceen.
mikeacela said:
The droid incredible does have a light. Thats Why Its called An optical trackpad. Their is a small infrared light in the center of the track pad that reads your finger movements. Kind of like the red light you see on the bottom of some modern computer mouses. If you are in a dark room and start using the track ball; you tilt the phone at an angle you can see a red light inside. You can also see it as you are unlocking the locksceen.
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The glass dome that makes the center of the optical pad is a very very dark red tint, the same that remote controls have covering their infrared leds.
mikeymop said:
The glass dome that makes the center of the optical pad is a very very dark red tint, the same that remote controls have covering their infrared leds.
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I know Its dark red. I said that their was an optical light inside. That is what tracks the movement. You cant see it when the phone is off. If you are in a dark room and look at the track pad while unlocking the phone, you can see it. You can also see it right after you use it, then it dims when not in use.
Concentrate harder
Infrared light is not visible to the human eye so maybe ur seeing a leak of light from the screen
Sent from my Incredible using XDA App
superchilpil said:
Infrared light is not visible to the human eye so maybe ur seeing a leak of light from the screen
That's a possiblility. But I'm still most posative that I see a light stemming from a small optical diode slightly below the trackpad.
Sent from my Incredible using XDA App
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What actually tracks the movement is a bad quality video camera and not the infrared light itself... The video lens reads the imperfection of you're skin and that's what makes it work if you took something really smooth against it you wouldn't see any reaction.... But yes there is infrared light because video lenses can see infrared light.
If I rub my eyes real heard for a minute I can see my track pad light and my wifi signals.
luvit said:
If I rub my eyes real heard for a minute I can see my track pad light and my wifi signals.
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Omg can u see ghosts too?? Lmao
Sent from my Incredible using XDA App
luvit said:
If I rub my eyes real heard for a minute I can see my track pad light and my wifi signals.
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WAOW ME TWO!
Sent from my Droid Incredible running SkyRaider 3.3 with King Kernel BFS #5.
For what it's worth, the infrared emitters in both the trackpad and proximity sensor are not perfect and do bleed into the visible red part of the spectrum. It's not beyond belief that somebody might be seeing this.
Sent from my ADR6300 using XDA App
Hi XDA people!
Can anyone tell me what this second red led means?
It come's and go's..
Youtube vid: because i'm new here i cant post links or something..
If you search on HTC Desire HD Second led on earpeace, you will find it.
Radio:26 .03.02.15_M3
Rom: Phunky's PNK12
Nope, can't find the link...
Here it is: http://www.youtube.com/watch?v=YUSD8ITT6jA
It is earpeace. ... LOL
Maybe this ?
http://www.iwantonly.com/watch/481867/
Hope I can link it
That's the vid.
Never seen that LED before... From what I know its not meant to have a LED there.
Sent from my Desire HD using XDA App
Looks like an IR-LED which might be the proximity sensor.
Edit: Tested it and the CM3602 proximity sensor reacts within 2 cm above the IR-LED.
It looks like the proximity sensor. Get another camera phone and have a look at your DHD from the other camera while making a call. The IR led will switch on.
Sent from my Desire HD using XDA App
olivierlee said:
It looks like the proximity sensor. Get another camera phone and have a look at your DHD from the other camera while making a call. The IR led will switch on.
Sent from my Desire HD using XDA App
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Ahh that'd make sense. Most digital cameras shift the colour of IR to visible spectrum. It's always fun showing this on laptops of unsuspecting people.
Sent from my Desire HD using XDA App
It's the proximity sensor. Cameras can pick up light into the IR wavelengths, which are not visible to the naked eye.
Point your camera at the end of your TV remote and press a couple of channel buttons... See it light up!
If you have some exposed photographic film, cut a couple of pieces just larger than your camera lens, turn one 90 degrees to the other and tape them over your camera lens. It won't pick up visible light, but it'll still catch Infra-red. Instant night-vision camera! Requires IR light to work, obviously
my prefered method to test tv remotes (or the batteries in it )
DN41
Haha thank you all!
DeathJester said:
It's the proximity sensor. Cameras can pick up light into the IR wavelengths, which are not visible to the naked eye.
Point your camera at the end of your TV remote and press a couple of channel buttons... See it light up!
If you have some exposed photographic film, cut a couple of pieces just larger than your camera lens, turn one 90 degrees to the other and tape them over your camera lens. It won't pick up visible light, but it'll still catch Infra-red. Instant night-vision camera! Requires IR light to work, obviously
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Thanks!
Learnt new thing.
Not about the exposed film but about the camera picking up the IR...
there is a red light by my light sensor that lit up for the first time anyone have any idea what it is?
The exact same problem my gf's completely stock E4GT has. The light is very dim.
I think that's the light sensor. If you call and put the phone up to your ear the little light will come on and shut off the screen.
Sent from my SAMSUNG IMPALER 4G
D1rk said:
I think that's the light sensor. If you call and put the phone up to your ear the little light will come on and shut off the screen.
Sent from my SAMSUNG IMPALER 4G
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Why is the light sensor glowing while I am not in a phone call?
Buff McBigstuff said:
Why is the light sensor glowing while I am not in a phone call?
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Do you have autobrightness enabled?
Sent from my SAMSUNG IMPALER 4G
Are the back and home buttons supposed to light up like they do on the Incredible 4?
hytekjosh said:
Are the back and home buttons supposed to light up like they do on the Incredible 4?
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they light up on mine
I take it back. They lit up for the first time today when I went outside for my night run. They weren't lighting up inside in very low light conditions.
hytekjosh said:
I take it back. They lit up for the first time today when I went outside for my night run. They weren't lighting up inside in very low light conditions.
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Sane here. It may be due to how bright the screen is... I notice when I turn brightness down they turn on. Its a really bright vivid screen.
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