Sony is working on new mount, as you can see the image above a regular E-mount camera have 10 connecting points whereas the patent surfaced shows only 8 connecting points.
The big issue with the patent itself is date of the patent (dated Aug 2017). Since every camera companies do a lot of patents before making a final product. And only very few designs are selected for making prototypes of product.
Patent Details
There is a big possibility that Sony is working on Medium-format Mirrorless camera. OR Sony is bit choosy too, they first introduce professional camera system with A-mount and now they are concentrating on E-Mount. So, it is possible that they may be working on Completely NEW mount for next generation of mirrorless cameras.
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Sony can justify a new mount if the overall system is clearly superior.
That may be possible, given their dominance in sensor technology.
Adding internal digital processing to the lenses might be a complementary innovation which would set up an all Sony proprietary ecosystem.
Older lenses without internal processing would not be able to interface with the new hardware, so Canon and Nikon products would be largely cut out.
Wow 8 contacts — just like all the A-mount cameras and lenses. Yup. Sure is new.
@Edward
Look at the patent date and locations of the pins before commenting. Certainly it’s not A-mount patent.