“Back in June 2015, Patently Apple discovered an Apple patent filing covering a ‘Wearable Multi-Modal Physiological Sensing System,'” Jack Purcher reports for Patently Apple.

“Today, the U.S. Patent and Trademark Office finally published Apple’s U.S. version of the patent filing with a few tweaks,” Purcher reports. “The patent generally covers advancing the Apple Watch Heart Rate Monitor so that it will compensate for motion like jogging that could naturally throw off a proper reading of a user’s heart rate as the watch continually moves on the user’s wrist.”

Purcher reports, “We’re able to see in Apple’s patent [illustrations] an electronic device (Apple Watch) having light sensors for determining a heart rate signal. A first light sensor may be co-located with a contacting light guide and a first light emitter. The contacting light guide may be configured so as to be in contact with tissue of a user…”

Read more, and see Apple’s patent application illustrations, in the full article here.

MacDailyNews Take: We’ve had good, consistent results with our Apple Watch (Series 0) heart monitors (they accurately matched results from chest-worn straps) while running, but we’re glad to see Apple working to improve things even further.

Apple files patent application for heart-monitoring wearable device – August 12, 2016
Apple Watch heart rate data vs. Mio dedicated heart rate monitor – May 7, 2015
Apple explains Heart Rate on Apple Watch technology – April 20, 2015