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chalkboard printer
Because it would be cool.
 
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First off, understand that I know overhead projectors exist-- I even know of digital projectors and things such as "smart boards" --this idea is not about just being able to automate the process of displaying information for my classes. This idea is about having this cool thing that I want because I think it would be cool.

I have seen some high-end printers (called "pen plotters" I think) that have a set of two cables and use a pen to draw an image on to the paper. I want one that holds a piece of chalk and draws on the board.

Imagine the diagrams! The fonts! The anachronistic perfection of a digital age in an old-school (literally "old-school") medium!

It would make me so happy.

futurebird, Apr 06 2004


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       a chalkboard with tracks on the left and right frame, a thin horizontal machine with diff. colors chalk drops down from the top frame riding on the tracks...
mailtosalonga, Apr 06 2004
   

       Do a search for "pen plotter" I already have a chalk board pantograph... it's not the same thing at all.
futurebird, Apr 07 2004
   

       I don't see where [futurebird] avers that the idea is not a plotter. On the contrary, it seems that it is a plotter, a big one, that uses chalk instead of plotter pens.   

       The lux version maybe could switch between different colors of chalk.
bristolz, Apr 07 2004
   

       Simple to make, the only problem would be the length of the chalk - Obviously pens stay the same length no matter how much you use them (except if you chew them, but i think we should be safe from a pen plotter) but the chalk would need to be fed out. Also pen plotters (that Ive seen) write text by using horizontal lines. This means it would work with a chalk board but wouldnt look as cool - so extra designing would be needed
miasere, Apr 07 2004
   

       This is nothing like a pantograph, jurist.
waugsqueke, Apr 07 2004
   

       The ones Ive seen were attatched to IR spectrometers and NMR scanners - so were used for graphs. The text didnt have to be that complicated so it used lines (in the same way dot matrix printers print them)
miasere, Apr 07 2004
   

       // I don't see how text can be composed of only horizontal lines though //   

       x-y axes would not be limited to horizontal lines if both axes move simultaneously. Current plotters can draw curves easily.
waugsqueke, Apr 07 2004
   

       this should be bakeable, there are various x,y controlled cutting machines, plotters etc.   

       2 smoothly controlled motors, a chalk lifting device a few bits of string and hours writing the software to convert it to on board reality.
engineer1, Apr 08 2004
   


 
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