US 12,322,204 B2
Multispectral optical finger system for physiological measurements
Kimberly Branan, College Station, TX (US); Gerard L. Cote, College Station, TX (US); and Justin Mcmurray, College Station, TX (US)
Assigned to THE TEXAS A&M UNIVERSITY SYSTEM, College Station, TX (US)
Filed by THE TEXAS A&M UNIVERSITY SYSTEM, College Station, TX (US)
Filed on Jan. 22, 2024, as Appl. No. 18/418,887.
Claims priority of provisional application 63/440,197, filed on Jan. 20, 2023.
Prior Publication US 2024/0249553 A1, Jul. 25, 2024
Int. Cl. G06V 40/145 (2022.01); G06F 3/01 (2006.01)
CPC G06V 40/145 (2022.01) [G06F 3/014 (2013.01)] 22 Claims
OG exemplary drawing
 
1. A wearable optical device comprising:
a ring configured to surround an appendage, the ring comprising an outer surface and an inner surface facing the appendage;
a plurality of light sources disposed circumferentially about the inner surface and configured to direct light towards the appendage;
a plurality of detectors disposed circumferentially about the inner surface, each detector configured to receive light from the appendage, the light being reflected from and/or transmitted through the appendage from at least one of the plurality of light sources; and
a circuit board disposed within the ring and operatively connected to each of the plurality of light sources and each of the plurality of detectors,
wherein the plurality of light sources and the plurality of detectors are configured to operate together to generate data suitable for conducting diffuse optical tomography on the appendage,
wherein the ring includes a stationary section and a rotatable section rotatably coupled to the stationary section and configured to change the device between (i) an open configuration in which the plurality of light sources and the plurality of detectors move outwardly away from a centerpoint of the ring to be disposed proximal to the inner surface of the ring and (ii) a closed configuration in which the plurality of light sources and the plurality of detectors move inwardly toward the centerpoint of the ring to contact the appendage.