Samsung patents smart ring design with internal light sensors
Samsung has been granted a patent for a smart ring that houses a light emitter and a light receiver on a circuit board between two metal rings. The design uses small internal protrusions to guide light signals toward the center of the ring, likely to measure blood flow or other biological data from the finger.
In the filing’s own words
Disclosed is a smart ring device including: a sensor, an outer ring, an inner ring disposed inside the outer ring, a printed circuit board disposed between the outer ring and the inner ring, and a first protrusion protruding from one surface of an inner part of the inner ring in a central direction of the smart ring device, the printed circuit board may include a first light receiving element disposed in a first position of the outer ring, and a first light emitting element disposed at a second position of the outer ring, and configured to transmit a first signal of a first frequency band, wherein the first protrusion may include a first part protruding from the first light emitting element in a first direction facing the center of the smart ring device, and a second part connected to the first part, and protruding from the first light receiving element in a second direction facing the center of the smart ring device.
What exactly they claim (claim 1)
1. A smart ring device comprising: an outer ring; an inner ring disposed at least partially on an inside of the outer ring and having a center; a printed circuit board disposed between at least the outer ring and the inner ring; and a first protrusion protruding from one surface of an inner part of the inner ring in a central direction, wherein the printed circuit board includes: a first light receiving element, comprising light receiving circuitry, disposed at a first position of the outer ring, and a first light emitting element, comprising light emitting circuitry, disposed at a second position of the outer ring and configured to transmit a first signal of a first frequency band, and wherein the first protrusion includes: a first part protruding from the first light emitting element in a first direction facing the center; a second part connected to the first part, and protruding from the first light receiving element in a second direction facing the center; and a partition wall disposed between at least the first part and the second part, the partition wall extending from a bottom surface of the first protrusion to a top surface of the first protrusion that is radially inward of the bottom surface.
Facts
- Company
- Samsung (Samsung Electronics Co., Ltd.)
- Official title
- Smart ring device including sensor
- Patent number
- US12730476B2
- Application number
- 19050542
- Filed
- Feb 11, 2025
- Granted
- Sep 8, 2026
- Inventors
- 5
- Claims
- 19
Classified under
G06F 1/163 Physics & computingG06F 1/1698 Physics & computingMore from Samsung in Wearables
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Summaries are simplified from the filing’s own abstract and first claim. A patent filing is not a product announcement.
Patent data and drawings: U.S. Patent and Trademark Office (USPTO). Nebula is not affiliated with or endorsed by the USPTO.