What an interesting device, I've never heard of such a thing. How does it realize full-spectrum color if it uses primary color wheels? Maybe by varying exposure time of each color? -- Anders Nelson www.andersknelson.com
On Thu, Nov 16, 2023 at 5:24 AM Dave Wade G4UGM via cctalk < cctalk@classiccmp.org> wrote: > Folks, > > > > Trying to reduce the weight in my loft and I would like to donate my HP > Photoplotter to a good home. > > . Photos of the plotter and some sample plots are on my OneDrive here:- > > > > https://1drv.ms/f/s!Ag4BJfE5B3ongspXY7zySSZsDj-WMg > > > > It has both serial and IEEE interfaces and uses HPGL like the GP and Roland > pen plotters. > > The plots on there are the samples built into the plotter taken on a Fuji > XE-1 digital camera and are cropped because the Fuji does not have a full > frame sensor. > > The tube is actually a white tube and the colours are generated by rotating > colour filters. > > Its powered by a 68000 and you can see the various boards in the pictures. > > > > Dave > > > > > >
