Photoplethysmogram Sensor Arrangement Patent
Summary
The USPTO granted Patent US12588826B2 to Polar Electro Oy for a photoplethysmogram sensor arrangement. The invention features a light emitter and photo detector in a diagonal orientation with an opaque mask covering part of the detector. The patent contains 12 claims and covers medical sensing technology used in heart rate monitoring devices.
What changed
The USPTO issued Patent US12588826B2 to Polar Electro Oy on March 31, 2026, for a photoplethysmogram sensor arrangement. The patent (Application No. 17964200, filed October 12, 2022) includes 12 claims covering an apparatus with a light emitter and photo detector disposed diagonally to the light path, along with an opaque mask that partially covers the detector. CPC classifications include A61B 5/02427 and related medical sensing categories.
This is a routine patent grant notification with no compliance obligations for third parties. Companies developing photoplethysmogram sensors or heart rate monitoring devices should review the patent claims to assess whether their products may infringe Polar Electro's IP. Inventors or companies with similar sensing technologies should evaluate their freedom-to-operate position.
Archived snapshot
Mar 31, 2026GovPing captured this document from the original source. If the source has since changed or been removed, this is the text as it existed at that time.
Photoplethysmogram sensor arrangement
Grant US12588826B2 Kind: B2 Mar 31, 2026
Assignee
Polar Electro Oy
Inventors
Elias Pekonen
Abstract
An apparatus includes the following: a photoplethysmogram sensor head including a light emitter and a photo detector, wherein the photo detector is disposed in a diagonal orientation with respect to a light path from the light emitter to the light detector; and an opaque mask over the photo detector, wherein the mask covers at least partially that half of the photo detector that is at a greater distance from the light emitter and leaves a remaining half of the photo detector exposed.
CPC Classifications
A61B 5/02427 A61B 5/02416 A61B 5/0261 A61B 5/14552 A61B 2562/185 A61B 5/02438 A61B 5/024 A61B 5/1455 A61B 2562/0233 G01N 21/00
Filing Date
2022-10-12
Application No.
17964200
Claims
12
Named provisions
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Source
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