On Feb 15, 11:28 am, Cobra007 <[email protected]> wrote: > > During my studies in the mid 80's we made a similar clock in a course > > about VLIW processors (Very Large Instruction Word) where we also used > > lisajours to display the numbers on an oscilloscope screen. > > Did you do that in the same way? I mean, divide a digit (or symbol) > into separate segments and compose a Lissajous curve for each segment? > I thought it is a very smart and unique way to display numbers on an X- > Y system and actually assumed that David himself came up with this > "invention". If you take the number '2' for example, the way I see it, > it is composed out of 3 segments (top arc, middle curve and bottom > line). You will need to switch (at precise moments) between cos, > 0.5*sin then cos, -sin then cos, 0*sin or something similar.
The technique of building glyphs with segments of curves & lines was used back in the 50s in tube graphics display drivers. There are a few app notes out there on this - I know we've had this discussion before years ago on the old Yahoo group... Nick -- You received this message because you are subscribed to the Google Groups "neonixie-l" group. To post to this group, send an email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/neonixie-l?hl=en-GB.
