Half a croissant, on a plate, with a sign in front of it saying '50c'
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Tin Can Phone That Can Send Images

Draw on one side, the picture appears on the other.
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Two cans are connected together by several hundred strings, each string representing a pixel.

The sending end has all the little knots holding the strings in place arrayed on the "drawing board". When you draw on this, you hit the little knots and vibrate the strings.

On the receiving end, the string is attached to a small stylus that is positioned against a screen that's covered with aluminum powder like they put in Etch-A-Sketches. When the string vibrates, it clears a little bit of the aluminum powder off the screen making a mark.

So if you draw a circle, all the strings you hit vibrate and clear a circle shaped array of dots on the receiving end.

When you're done viewing the picture, you turn it face down to erase it by coating the screen with aluminum powder so you can start again.

For two way communication you'd have a transmitting and receiving unit side by side on each end.

doctorremulac3, Jul 26 2016

Pantelegraph https://en.wikipedi...g/wiki/Pantelegraph
[hippo, Jul 27 2016]

Bildübertragungdosen https://translate.g...3%BCbertragungdosen
[hippo, Jul 27 2016]

[link]






       This is, if I may say so, utterly brilliant.
MaxwellBuchanan, Jul 26 2016
  

       Thank you Max.
doctorremulac3, Jul 26 2016
  

       I had my people consult with my people and we all agree with [MaxwellBuchanan]s' assessment of this concept... and may I humbly offer the term Transmitchasketch for your perusal?   

       //may I humbly offer the term Transmitchasketch for your perusal?//   

       I would suggest "Uncanny Likenesses" [+]
AusCan531, Jul 26 2016
  

       Loving the concept but basically think it's useless. Yay, added bonus points.
blissmiss, Jul 26 2016
  

       //Uncanny Likenesses//   

       : ]
I don't think I can top that.
  

       The Victorian version of this was called the "Pantelegraph" (see link). May I suggest the name "Bildübertragungdosen" for this invention? (see other link)
hippo, Jul 27 2016
  

       Would be very handy to send x-rays of patients in hospitals as a back-up for when the electricity fails. One of HB's finest! Use it to draw this croissant morsel [+]
xenzag, Jul 27 2016
  

       Thank you Xen. :)
doctorremulac3, Jul 27 2016
  

       Etch-a-sketches use strings to move their stylus. An etch-a-sketch with a remote readout would only require four strings to transmit the image at full resolution. (But you may want extra strings for remotely shaking it.)
mitxela, Jul 27 2016
  

       Pondering further: I wonder if you could set this up with one of those existing pin boards (where you push your hand in and see an image of your hand made of pushed pins). The pin board would be a ready made stylus array.
bungston, Jul 27 2016
  

       Mit and Bungs, your ideas of just using cables or the pinboard thing could work too.   

       Wonder if you could do one string where the drawing board has various spacing of very fine ridges that cause the string to vibrate at different frequencies. Then the tuned points on the receiving end vibrate sympathetically with that frequency. Might work but the resolution wouldn't be great.
doctorremulac3, Jul 27 2016
  
      
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