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IIRC it gets a bit messy once we start talking about hardware implementations of algorithms. I mean, is an electronics circuit that essentially implements an algorithm still a software patent?
Why does it need to be a hardware implementation?
Earlier quoted context omitted.
The Eink Carta generation (300dpi, 4-bit greyscale) has about 15Hz refresh rate when driven in 1bpp mode (black/white only). Combined with efficient partial refresh, this sounds like it'd not be more than a stylus sensor behind the display (as usual), and some software to properly translate this into partial refreshes. The premium is not really high just from them having to spend particularly much. Either they make v…
> this sounds like it'd not be more than a stylus sensor behind the display (as usual) And that would be a wrong guess. Eink readers with wacom styluses are not particularly new (e.g. Hanvon, onyx etc.). The remarkable 1's "claim to fame" was a greatly improved latency compared to these , i.e. to be much better than what you describe.
Back in the days of the C64, it was normal to have sub-frame average latency with +-0.5 frames jitter, due to low-level control that prevented artifacts when drawing directly to the framebuffer.