"Samuel J. Brockington" schrieb: > why are we mucking with motors, > I saw a set up, where two mirrors were glued onto speakers, so that the > mirror tilted when the speaker bounced, two speakers one for horizontal, > and one for verticle. by controling the wave form through the speakers you > draw with the beam, all you have to do is run scanning waveforms into the > speaker, (which is built for high frequency signals) and then synchrosie > the blinking of the light. > the had part would be syncronising the left right and the up down to each > other and to the blinking of the light, but if one controller was > outputing all the waveforms? > > right now Were learning the 68hc11, but its only a 2mhtz chip? so that > just barly takes care of 80x25 char 5x7 dots, I ordered a mouser catalog > to look for faster parts because the only way i say to do it with > HC11'sthrough a serial interface, was to have one chip accept all the > incomeing charectors off the serial line and draw the 5x7 font into a > video memory, and to have another chip shovel the control singnal out the > back as fast as it could, but that saves mucking with gears and spining > things, once you align the optics so the laser hits both mirrors, its all > electrical engineering? > > thoughts? > thanks > > sam > > -- > Subcription/unsubscription/info requests: send e-mail with subject of > "subscribe", "unsubscribe", or "info" to> Wear-Hard Mailing List Archive (searchable): http://wearables.blu.org Nice idea. But then again we have vibration problems. As far as I guess you would need a rather high amplitude and high frequencies. So I guess power consumption would be a problem. How about sound? Wouldn't this thing produce sonic waves? Taking usual refresh rates, you'd have about, hmm, 60 kHz horizontal and up to 100 Hz vertical, and one of them is *hearable*! Why not put that into one thing without a mirror? Using the same principle as the Braunsche tube does, you'd only have to have a signal, a light, which you'd have to translate to a screen. Why not do this with magnets? I think I heard about some sort of laser display with exactly that some time ago, but I don't know how it developed. Anybody watched the pilot movie to "Viper"? They used a display there that looked quite interesting. It looked like a simple white pad, on which the picture was projected from a small sort of tube, connected to cables going somewhere away from the body. I guess they produced the picture somewhere and sent it to the display via glass fiber. Any ideas what it was? Johannes! -- Subcription/unsubscription/info requests: send e-mail with subject of "subscribe", "unsubscribe", or "info" to
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