Question About Projectors
purple hayes
Feb 9 2009, 10:45 PM
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So, laptop projectors...how do they project the color black on a white surface? Do they just not project anything and let the brightness of the surrounding objects suggest that the missing data is black?

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Skatastic
Feb 9 2009, 11:58 PM
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I'm pretty sure it uses death rays wink.gif

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Ivan Milenkovic
Feb 10 2009, 01:55 AM
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They don't project the light at all for the black color. "Black" in terms of lightning is the absence of light, and "white" is the mix of 3 basic colors.

For a good high contrast picture you have to have a dark room. Projector can always give a good white if it is a hi quality one, but it cannot give black, unless it is dark. Instead the black will be gray, yellowish (depending on the color temperature of the room light).

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Artemus
Feb 10 2009, 03:00 AM
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QUOTE (Skatastic @ Feb 9 2009, 10:58 PM) *
I'm pretty sure it uses death rays wink.gif


laugh.gif

Surely death rays for the blacks that are blacker than the blackest black times infinity

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Bogdan Radovic
Feb 11 2009, 01:36 AM
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QUOTE (Artemus @ Feb 10 2009, 03:00 AM) *
laugh.gif

Surely death rays for the blacks that are blacker than the blackest black times infinity


Lol laugh.gif

Interesting topic, I didn't thought about this before but makes perfect sense smile.gif Same with printers and white color smile.gif

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