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by drno123 910 days ago
Pulse oxymeters exist for at least 30 years. What kind of patent does Masimo hold?
1 comments
dharmab 910 days ago
https://patents.google.com/patent/US10945648B2/en?oq=US-1094...

It's fairly specific about an arrangement of sensors with specific capabilities.

link
fuzzbazz 910 days ago
If they make a version with only three photodiodes this patent will not apply.
link