Optical Physiological Sensor Modules with Reduced Signal Noise
4 Assignments
0 Petitions
Accused Products
Abstract
An optical sensor module for detecting and/or measuring physiological information that can be integrated into a wearable device, such as a headset, a wristband, a ring, etc., includes a housing supporting an optical source and an optical detector. The housing overlies the optical source and optical detector and includes a first light guide comprising light transmissive material in optical communication with the optical source and a second light guide comprising light transmissive material in optical communication with the optical detector. The first and second light guides define respective first and second axial directions that are outwardly diverging. When the sensor module is in use and placed adjacent the skin of a user, light rays emanating from the optical source and directed into the skin of the user cannot overlap with light rays returning through the skin of the user.
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Citations
35 Claims
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1-2. -2. (canceled)
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3. An optical sensor module for detecting and/or measuring physiological information from a subject, comprising:
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a base comprising an optical source and an optical detector; and a housing configured to be integrated within a wearable device and secured to the base and overlying the optical source and optical detector, wherein the housing comprises a first light guide in optical communication with the optical source and a second light guide in optical communication with the optical detector, wherein the first and second light guides define respective first and second axial directions, and wherein the first and second axial directions diverge outwardly from the housing. - View Dependent Claims (4, 5, 6, 7, 8, 9, 10, 29, 30, 31, 32, 33, 34)
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11. A headset, comprising:
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an optical source; an optical detector; and a housing supporting the optical source and optical detector, wherein the housing is configured to be positioned within an ear of a subject, wherein the housing comprises a first light guide in optical communication with the optical source and a second light guide in optical communication with the optical detector, wherein the first and second light guides define respective first and second axial directions, and wherein the first and second axial directions are outwardly diverging. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A monitoring device, comprising:
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a band capable of at least partially encircling a portion of a body of a subject; and an optical source and an optical detector supported by the band; wherein the band comprises a first light guide in optical communication with the optical source and a second light guide in optical communication with the optical detector, wherein the first and second light guides define respective first and second axial directions, and wherein the first and second axial directions diverge outwardly from the band. - View Dependent Claims (21, 22, 23, 24, 25, 26, 27, 28)
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35-47. -47. (canceled)
Specification