Wearable computing device
A finger-worn wearable ring device may include a ring-shaped housing, a printed circuit board, and a sensor module that includes one or more light-emitting components and one or more light-receiving components. The wearable ring device may further include a communication module configured to wirelessly communicate with an application executable on a user device.
1. A wearable ring device configured to be worn on a finger of a user, the wearable ring device comprising:
a housing having an interior diameter between 12 mm and 24 mm, an exterior diameter between 18 mm and 30 mm, and a thickness between 1.5 mm and 3 mm, the housing comprising:
an external housing comprising an exterior surface of the wearable ring device, wherein the external housing is made of metallic material and has an internal surface, a first flange, and a second flange, wherein the internal surface, the first flange, and the second flange define an internal space of the external housing; and
an internal potting that at least partially fills the internal space of the external housing, wherein at least a portion of the internal potting forms an interior surface of the wearable ring device that is configured to contact the user when the wearable ring device is worn by the user, and wherein the external housing and the internal potting together enclose a curved battery, a printed circuit board, and one or more components,
wherein the curved battery has a size and shape configured to fit within a curved portion of the housing, and
wherein the one or more components are electrically coupled with the printed circuit board and the curved battery, the one or more components comprising:
an accelerometer configured to detect physical movement of the user;
a temperature sensor configured to detect skin temperature of the user;
a first light emitting diode (LED) configured to emit first visible light and a second LED configured to emit second visible light, wherein the first LED and the second LED are positioned within the housing and configured to emit the first visible light and the second visible light through the housing; and
one or more light sensors configured to detect at least one of the first visible light or the second visible light to support measurement of a heart rate of the user, a blood oxygenation level of the user, or both.
2. The wearable ring device of claim 1 , wherein the metallic material comprises a titanium material.
3. The wearable ring device of claim 1 , wherein at least the portion of the internal potting that forms the interior surface of the wearable ring device comprises a transparent potting material.
4. The wearable ring device of claim 3 , wherein at least a subset of the one or more components are encapsulated within the transparent potting material.
5. The wearable ring device of claim 1 , further comprising one or more processors that are individually or in combination configured to cause the wearable ring device to:
analyze the at least one of the first visible light or the second visible light detected by the one or more light sensors based at least in part on a reflectance, an absorbance, or both.
6. The wearable ring device of claim 1 , further comprising one or more processors that are individually or in combination configured to cause the wearable ring device to:
analyze the at least one of the first visible light or the second visible light to identify wavelengths that were absorbed by blood of the user to support the measurement of the blood oxygenation level of the user.
7. The wearable ring device of claim 1 , wherein the housing further comprises:
a communication module configured to communicate with a software application executable on a mobile device.
8. A wearable ring device configured to be worn on a finger of a user, the wearable ring device comprising:
a housing having an interior diameter between 12 mm and 24 mm and an exterior diameter between 18 mm and 30 mm, the housing comprising an exterior surface of the wearable ring device and an interior surface of the wearable ring device, wherein at least a portion of the interior surface is configured to contact the user when the wearable ring device is worn by the user, and wherein the housing at least partially surrounds a curved battery, a printed circuit board, and one or more components,
wherein the curved battery has a size and shape configured to fit within the housing, the curved battery extending along a first portion of a curved perimeter of the housing,
wherein the printed circuit board is electrically coupled with the curved battery, the printed circuit board extending along a second portion of the curved perimeter of the housing, and
wherein the one or more components are electrically coupled with the printed circuit board, the one or more components comprising:
an accelerometer configured to detect physical movement of the user;
a temperature sensor configured to detect skin temperature of the user;
a first light emitting diode (LED) configured to emit first light and a second LED configured to emit second light; and
one or more light sensors configured to detect at least one of the first light or the second light to support measurement of a heart rate of the user and a blood oxygenation level of the user.
9. The wearable ring device of claim 8 , wherein the housing comprises an external housing that comprises the exterior surface of the wearable ring device and an internal potting that comprises the interior surface of the wearable ring device, wherein the external housing is made of metallic material, and wherein the external housing and the internal potting together enclose the curved battery, the printed circuit board, and the one or more components.
10. The wearable ring device of claim 9 , wherein the metallic material comprises a titanium material.
11. The wearable ring device of claim 10 , wherein the internal potting comprises a transparent potting material.
12. The wearable ring device of claim 11 , wherein at least a subset of the one or more components are encapsulated within the transparent potting material.
13. The wearable ring device of claim 8 , further comprising one or more processors that are individually or in combination configured to cause the wearable ring device to:
analyze the at least one of the first light or the second light detected by the one or more light sensors based at least in part on a reflectance, an absorbance, or both.
14. The wearable ring device of claim 8 , further comprising one or more processors that are individually or in combination configured to cause the wearable ring device to:
analyze the at least one of the first light or the second light to identify wavelengths that were absorbed by blood of the user to support the measurement of the blood oxygenation level of the user.
15. The wearable ring device of claim 8 , wherein the housing further comprises:
a communication module configured to communicate with a software application executable on a mobile device.
16. The wearable ring device of claim 8 , wherein the housing has a width between 3 mm and 8 mm and a thickness between 1.5 mm and 3 mm.
17. A wearable ring device configured to be worn on a finger of a user, the wearable ring device comprising:
a housing comprising:
an external housing comprising an exterior surface of the wearable ring device, the external housing comprising a metallic material; and
an internal potting at least partially surrounding a curved battery, a printed circuit board, and one or more components, wherein at least a portion of the internal potting comprises a transparent potting material that forms at least a portion of an interior surface of the wearable ring device that is configured to contact the user when the wearable ring device is worn by the user,
wherein the curved battery has a size and shape configured to fit within the housing, the curved battery extending along a first portion of a curved perimeter of the external housing,
wherein the printed circuit board is electrically coupled with the curved battery, the printed circuit board extending along a second portion of the curved perimeter of the external housing, and
wherein the one or more components are electrically coupled with the printed circuit board, the one or more components comprising:
an accelerometer configured to detect physical movement of the user;
a temperature sensor configured to detect skin temperature of the user;
a first light emitting diode (LED) configured to emit first light and a second LED configured to emit second light, wherein the first LED and the second LED are positioned within the housing and configured to emit the first light and the second light through the internal potting towards tissue of the user; and
one or more light sensors configured to detect at least one of the first light or the second light to support measurement of at least one of a heart rate of the user or a blood oxygenation level of the user.
18. The wearable ring device of claim 17 , wherein the housing has an interior diameter between 12 mm and 24 mm and an exterior diameter between 18 mm and 30 mm.
19. The wearable ring device of claim 18 , wherein the housing has a thickness between 1.5 mm and 3 mm.
20. The wearable ring device of claim 17 , wherein the external housing has an internal surface, a first flange, and a second flange, wherein the internal surface, the first flange, and the second flange at least partially enclose an internal space of the external housing, wherein the internal potting at least partially fills the internal space of the external housing, and wherein the external housing and the internal potting together enclose the curved battery, the printed circuit board, and the one or more components.