Figure 8b: Simulated scope view of key voltage signals over time. Each minor vertical division is 1 μs, which corresponds to a sampling event of the 1 MHz clock. (en)
Figure 8a: Schematic of simple delta-sigma converter. (en)
Did Yasuda or Inose file a patent on this? They did call it this in their 1962 paper, though, but I can't find that they have a patent on this. Or could it be in the Japanese patent system? Maybe this should be changed to say "as described in their 1962 paper." (en)
