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PS5 Backward Compatibility Patent Filed By Sony, Next-Gen Console To Bring Old Games To Life, PlayStation Fans Rejoice

Sony Filed New Patent Potential Confirmed PS5 Backward Compatibility

2019/02/23

/ by Kevin Smith

  • PS5 Backward Compatibility Patent Filed By Sony, Next-gen Console To Bring Old Games To Life, PlayStation Fans Rejoice
  • Next-gen Console Backward Compatibility Confirmed



Sony has registered a new patent in Japan obviously describes PS5 Backward Compatibility feature.
The patent was published on 21st February and is registered to Sony Interactive Entertainment. It further lists one of the inventors to be Mark Cerny, the lead architect of the PS4. Cerny is assumed to be leading development of the PS5 as well.

The patent was created by Sony’s Mark Cerny, describing “simulation of legacy bus operation for backward compatibility”. It also mentions “enhanced simulation” meaning old games will also perform better on the upgraded system.

The title of the patent is “Simulation of legacy bus operation for backward compatibility”, which when you put all the clues together means just one thing. The patent was registered alongside the previously reported “CPUID impersonating” method but was published almost a month later.



A “bus” in technical terms refers to the communication system between the different components inside electronic or computer devices. When reading in detail, the patent mentions Sony using the method to deal with bus interface related issues when executing a legacy application on a new device.


The two patents mentioned, CPUID and Bus Interface, role together as team and we expect both of them to be part of the overall Emulation process. We still don’t know for sure when the PlayStation 5 will arrive, but industry experts believe an announcement could come as soon as this summer. We obviously know Sony won't be participating in E3 2019. Perhaps, they will be focusing on their own event, which could provide the perfect opportunity for a big reveal.

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