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 comprising a potting material, the housing comprising:
an external housing comprising an exterior surface of the wearable ring device, wherein at least a portion of the exterior surface comprises the potting material; and
an internal housing comprising 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 at least the portion of the interior surface comprises the potting material,
wherein the potting material of the housing at least partially surrounds a curved battery, a printed circuit board, and one or more components that are electrically coupled with the curved battery and the printed circuit board,
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 comprise:
an accelerometer, a gyroscope, or both, 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 visible light and a second LED configured to emit at least one of infrared light or near-infrared light; and
a light sensor configured to detect one or more of the visible light, the infrared light, or the near-infrared light to support detection of a heart rate of the user.
2 . The wearable ring device of claim 1 , wherein at least a portion of the potting material is substantially transparent.
3 . The wearable ring device of claim 2 , wherein the first LED and the second LED are configured to transmit the one or more of the visible light, the infrared light, and the near-infrared light through at least the portion of the potting material that is substantially transparent.
4 . The wearable ring device of claim 1 , wherein the potting material comprises at least one of silicone, epoxy, or polyester resin.
5 . The wearable ring device of claim 1 , further comprising:
one or more photovoltaic cells electrically coupled with the curved battery, the one or more photovoltaic cells configured to:
receive additional light through the potting material of the exterior surface; and
generate a current to recharge the curved battery based at least in part on the additional light.
6 . The wearable ring device of claim 1 , wherein the curved battery, the printed circuit board, and the one or more components are encapsulated within the potting material.
7 . The wearable ring device of claim 1 , wherein the curved battery extends along a first portion of a curved perimeter of the housing, and wherein the printed circuit board is electrically coupled with the curved battery and extends along a second portion of the curved perimeter of the housing.
8 . The wearable ring device of claim 1 , further comprising one or more processors that are electrically coupled with the printed circuit board, wherein the one or more processors are individually or in combination configured to cause the wearable ring device to:
analyze one or more of the visible light, the infrared light, or the near-infrared light to identify wavelengths that were absorbed by blood of the user to determine a blood oxygenation level of the user.
9 . The wearable ring device of claim 1 , wherein the physical movement is associated with at least one gesture of the user, wherein, in response to the at least one gesture, the wearable ring device is configured to send a signal configured to cause an external device to perform one or more functions external to the wearable ring device.
10 . A wearable ring device configured to be worn on a finger of a user, the wearable ring device comprising:
a housing comprising a potting material, 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 comprises the potting material and is configured to contact the user when the wearable ring device is worn by the user;
a curved battery that is at least partially surrounded by the potting material, the curved battery having a size and a shape configured to fit within a curved portion of the housing, and the curved battery extending along a first portion of a curved perimeter of the housing;
a printed circuit board electrically coupled with the curved battery and at least partially surrounded by the potting material, the printed circuit board extending along a second portion of the curved perimeter of the housing; and
one or more components electrically coupled with the curved battery and the printed circuit board, the one or more components comprising:
an accelerometer, a gyroscope, or both, 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 visible light and a second LED configured to emit at least one of infrared light or near-infrared light through the potting material; and
a light sensor configured to detect one or more of the visible light, the infrared light, or the near-infrared light received through the potting material to support detection of a heart rate of the user and a blood oxygen saturation level of the user.
11 . The wearable ring device of claim 10 , wherein at least a portion of the potting material is substantially transparent.
12 . The wearable ring device of claim 11 , wherein the first LED and the second LED are configured to transmit the one or more of the visible light, the infrared light, and the near-infrared light through at least the portion of the potting material that is substantially transparent.
13 . The wearable ring device of claim 10 , wherein the potting material comprises at least one of silicone, epoxy, or polyester resin.
14 . The wearable ring device of claim 10 , further comprising:
one or more photovoltaic cells electrically coupled with the curved battery, the one or more photovoltaic cells configured to:
receive additional light through the potting material of the exterior surface; and
generate a current to recharge the curved battery based at least in part on the additional light.
15 . The wearable ring device of claim 10 , wherein the curved battery, the printed circuit board, and the one or more components are encapsulated within the potting material.
16 . The wearable ring device of claim 10 , further comprising one or more processors that are electrically coupled with the printed circuit board, wherein the one or more processors are individually or in combination configured to cause the wearable ring device to:
analyze one or more of the visible light, the infrared light, or the near-infrared light to identify wavelengths that were absorbed by blood of the user to determine a blood oxygenation level of the user.
17 . The wearable ring device of claim 10 , wherein the physical movement is associated with at least one gesture of the user, wherein, in response to the at least one gesture, the wearable ring device is configured to send a signal configured to cause an external device to perform one or more functions external to the wearable ring device.
18 . 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 one or more potting materials that form at least a portion of an exterior surface of the wearable ring device; and
an internal housing comprising the one or more potting materials, wherein the one or more potting materials also form at least a portion of an interior surface of the wearable ring device that is configured to at least partially contact the user when the wearable ring device is worn by the user,
wherein the one or more potting materials included in the external housing and the internal housing are configured to encapsulate a curved battery, a printed circuit board, and one or more components that are electrically coupled with the printed circuit board, and 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 visible light and a second LED configured to emit one of infrared light or near-infrared light, wherein the first LED and the second LED are positioned within the housing and configured to emit one or more of the visible light, the infrared light, or the near-infrared light through the one or more potting materials towards tissue of the user; and
one or more light sensors configured to detect the one or more of the visible light, the infrared light, or the near-infrared light through the one or more potting materials to support measurement of a heart rate and a blood oxygenation level of the user.
19 . The wearable ring device of claim 18 , wherein the one or more potting materials comprise at least one of silicone, epoxy, or polyester resin.
20 . The wearable ring device of claim 18 , further comprising:
one or more photovoltaic cells electrically coupled with the curved battery, the one or more photovoltaic cells configured to:
receive additional light through the one or more potting materials of the exterior surface; and
generate a current to recharge the curved battery based at least in part on the additional light.