this post was submitted on 11 Oct 2023
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I am asking for specifications to be released without patents or have patents signed over to an organization like VESA. Whether it becomes popular or not is another story.
i don't think adc was encumbered by patents, at least not in any way that prevented other manufacturers from making use of it. it wasn't locked down behind special handshakes and a certification program like lightning is. it used the same signaling protocol that dvi ended up using, which is why passive adapters like the belkin one above were possible. the additional pins on the connector were used for power and usb. the specifications were freely available, and monitors, gpus, and kvms were released that used the connector in the late '90s and early '00s.
the problem people are haivng is that this connector did not see wide use, so cables and adapters are hard to come by 25 years after the fact.
putting vesa in charge wouldn't change anything here unless vesa decided to ditch dvi and push this connector instead. however, that probably wouldn't have happened, because their constituents (most wintel pc makers) would have preferred the cheaper solution of not bundling video, power, and usb in a single cable.
If it were, they'd likely be expired by now.
I wonder if an adapter could be made some "DIY" way, if it needs to be active, it could be a fun project for someone into FPGAs.
It's incredibly easy to make an adapter. You really only need the female DVI and ADC ports (you could probably sacrifice a few cables if you can't get the connectors, too), a breadboard and some wire. https://lookanotherblog.com/diy-adc-adapter/