A new patent suggests that it could be Fitbit that beats Apple to a cutting-edge health feature.
This means the sensor can divine systolic and diastolic readings, which is what makes up a blood pressure measurement.
The patent says, “A user applies a variable pressure to his or her blood vessels while a PPG sensor measures the amplitude of blood volume pulses. The resulting PPG signal and associated pressure data is used to calculate blood pressure. Standard approaches to determining blood pressure from oscillometric data can be used.”
So, will Fitbit implement this before Apple gets round to it ? Well, it’s hard to know. First of all, deciphering accurate blood pressure information isn’t always easy, so—patent or no patent—Fitbit will have plenty of testing to do before it releases the feature in one of its wearables. And secondly, it’s not clear how advanced Apple is in its work, though the company is known for its belief that what’s important is not do it first but do it right. But with so many companies working on simple, accurate blood pressure monitoring on the wrist, it’s beginning to feel like a case of when, not if, it will arrive.
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