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2007-10-26
, 13:06
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Posts: 124 |
Thanked: 34 times |
Joined on Mar 2007
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#122
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Originally Posted by Texrat
Sure there are. Infrared-emitting Diodes. And it's a *low* frequency. Lower than our visible light spectrum. The "color" that's a high frequency is ultra-violet.
Well, technically it is a color, just not one humans can see.
But you're right about the IR-- afaik no LED can be excited to the high frequency of infrared.
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2007-10-26
, 13:10
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Posts: 11,700 |
Thanked: 10,045 times |
Joined on Jun 2006
@ North Texas, USA
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#123
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Originally Posted by DataPath
D'oh! You're absolutely right. I was writing IR and thinking UV. Cripes. More coffee needed.
Sure there are. Infrared-emitting Diodes. And it's a *low* frequency. Lower than our visible light spectrum. The "color" that's a high frequency is ultra-violet.
__________________
Nokia Developer Champion
Different <> Wrong | Listen - Judgment = Progress | People + Trust = Success
My personal site: http://texrat.net
Nokia Developer Champion
Different <> Wrong | Listen - Judgment = Progress | People + Trust = Success
My personal site: http://texrat.net
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2007-10-26
, 13:14
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Posts: 269 |
Thanked: 4 times |
Joined on Feb 2007
@ Finland
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#124
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At Pepcom event in New York Texas Instruments has introduced a proto of a cellphone projector. The device uses lasers as the light source, and an LED-based model is currently in the lab. Definitely such a module will be an extremely useful feature to any phone or a smartphone, as it eventually solves the small display problem.
In particular, the built-in projector can run presentations directly from the cellphone omitting PC. However image quality loses to professional projectors, anyway this in-handset projector will do for small presentations. There is another application of this solution, you can run video, pictures, web-pages etc. on a “big screen”.
images at http://www.mobile-review.com/fullnew...r/26_eng.shtml
In particular, the built-in projector can run presentations directly from the cellphone omitting PC. However image quality loses to professional projectors, anyway this in-handset projector will do for small presentations. There is another application of this solution, you can run video, pictures, web-pages etc. on a “big screen”.
images at http://www.mobile-review.com/fullnew...r/26_eng.shtml
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2007-10-26
, 13:15
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Posts: 1,310 |
Thanked: 820 times |
Joined on Mar 2006
@ Irving, TX
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#125
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Maybe more of a question is.... can anyone say if there is indeed 4 LED's in that corner? (Red, Blue, Green and IR). There is a flex cable going into that corner, assuming they share the same ground or Vcc, you'll need minimum of 5 "wires"...
Didn't check if the internal photo pictures on FCC site can be zoomed in enough to see that...
Didn't check if the internal photo pictures on FCC site can be zoomed in enough to see that...
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2007-10-26
, 14:58
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Posts: 39 |
Thanked: 2 times |
Joined on Oct 2007
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#126
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The colors are, in my experience:
Green: Charging
Blue: A power change, or message arrives
Red: Camera active
Sometimes pulsating. Sometimes blinking.
Infrared? I think not, but you're welcome to think that. :-)
Green: Charging
Blue: A power change, or message arrives
Red: Camera active
Sometimes pulsating. Sometimes blinking.
Infrared? I think not, but you're welcome to think that. :-)
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2007-10-26
, 15:05
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Posts: 11,700 |
Thanked: 10,045 times |
Joined on Jun 2006
@ North Texas, USA
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#127
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I've seen a white light, too, prosthetic.
__________________
Nokia Developer Champion
Different <> Wrong | Listen - Judgment = Progress | People + Trust = Success
My personal site: http://texrat.net
Nokia Developer Champion
Different <> Wrong | Listen - Judgment = Progress | People + Trust = Success
My personal site: http://texrat.net
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2007-10-26
, 15:09
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Posts: 3,524 |
Thanked: 2,958 times |
Joined on Oct 2007
@ Delta Quadrant
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#128
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I hope the HAL (Hardware Abstraction Layer) can control the LED, as it would be a nice complement to many software applications.
}:^)~
YARR!!
Corrupt Blvd.
}:^)~
YARR!!
Corrupt Blvd.
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2007-10-26
, 16:02
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Posts: 39 |
Thanked: 2 times |
Joined on Oct 2007
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#129
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Originally Posted by Texrat
Hm, I don't recall a white light, but you could be right. Any idea what caused it?
I've seen a white light, too, prosthetic.
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2007-10-26
, 16:15
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Posts: 11,700 |
Thanked: 10,045 times |
Joined on Jun 2006
@ North Texas, USA
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#130
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I don't remember. I'll try to pay better attention.
__________________
Nokia Developer Champion
Different <> Wrong | Listen - Judgment = Progress | People + Trust = Success
My personal site: http://texrat.net
Nokia Developer Champion
Different <> Wrong | Listen - Judgment = Progress | People + Trust = Success
My personal site: http://texrat.net
}:^)~
YARR!!
<.<.