38 points

They’re not the only ones making that media, right? Or do they make the media for everyone and put other names like Memorex on the label?

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28 points
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There’s a lot of companies that produce them, and at least a few big brand names that are making their own and for sure not just relabeling something else.

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9 points

Don’t the other companies still have to license or at least pay royalties to Sony to make BD-R or that only for commercial discs?

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18 points
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No. Sony was one of 9 companies that started blu-ray in 2002. There are more now that can license production of it.

https://www.sony.com/en/SonyInfo/News/Press/200205/02-0520E/

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7 points

Unless I’m mistaken, and I probably am, the patents on blueray should have expired by now. Software side might be covered under copyright right though. Not sure if software can be copyrighted though tbh.

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7 points

Software is copyrighted but nothing stops you from coding your own identical version. You just can’t re-use any code from the original.

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2 points

Not sure where you get this, but the standard is now ruled by Blu-ray Disk Association. There’s no mention about patent. I’ve looked on the Wikipedia page and the only mention about royalty is about the video codec.

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12 points

For now.

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