Apple Watch gets reformulated, non-patent-infringing blood oxygen monitoring

Apple has announced the return of blood oxygen monitoring on the Apple Watch after resolving a patent dispute. The feature had been previously removed from US models following a legal battle. The company has developed a new implementation of the blood oxygen monitoring technology that does not infringe on the disputed patent. This means users in the US can now access this health-tracking capability on their Apple Watches once again. The article notes that the blood oxygen feature allows users to measure the oxygen levels in their blood, which can be an important indicator of overall health. Its reintroduction on the Apple Watch is likely to be welcomed by users who rely on this functionality. While the details of the patent dispute and the technical changes made to the blood oxygen monitoring system are not provided, the article emphasizes the importance of this feature and Apple's efforts to bring it back to the US market.