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 configured to sense data related to physical movement, skin temperature, heart rate, and blood oxygenation level of the user, comprising:
a housing having an interior diameter between 12 mm and 24 mm, an exterior diameter between 18 mm and 30 mm, a width between 3 mm and 8 mm, and a thickness between 1.5 mm and 3 mm, the housing comprising:
an external housing, made of metallic material, having an exterior surface, an internal surface, a first sidewall, and a second sidewall, wherein the internal surface, the first sidewall, and the second sidewall define an internal space of the external housing; and
an internal potting at least partially surrounding a curved battery, a printed circuit board, and one or more components, wherein the internal potting at least partially fills the internal space of the external housing, wherein at least a layer of the internal potting forms an interior surface of the wearable ring device that is configured to contact tissue of the user when the wearable ring device is worn by the user,
wherein the internal potting adheres to 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,
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,
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 the physical movement of the user;
a temperature sensor configured to detect the 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 to emit one or more of the visible light, the infrared light, or the near-infrared light through the internal potting towards the 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 to measure the heart rate and the blood oxygenation level of the user.
2. The wearable ring device of claim 1 , wherein the physical movement is indicative of at least one gesture performed by the user,
wherein in response to the detection of the at least one gesture performed by the user, the wearable ring device is configured to send a signal to a mobile device to perform one or more functions external to the wearable ring device.
3. The wearable ring device of claim 1 , wherein the housing further comprises a gyroscope,
wherein the gyroscope is configured to detect the physical movement of the user, wherein the physical movement is indicative of at least one gesture performed by the user, and
wherein, in response to the gyroscope detecting the at least one gesture, the wearable ring device is configured to send a signal to a mobile device to perform one or more functions external to the wearable ring device.
4. The wearable ring device of claim 1 , wherein the internal surface, the first sidewall, and the second sidewall form a C-shaped cross section.
5. The wearable ring device of claim 1 , further comprising one or more processors that are electrically coupled with the printed circuit board and, individually or in combination, configured to process data acquired from the one or more components, wherein the one or more processors, individually or in combination, are further configured to:
process the one or more of the visible light, infrared light, or the near-infrared 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 electrically coupled with the printed circuit board and, individually or in combination, configured to process data acquired from the one or more components, wherein the one or more processors, individually or in combination, are further configured to:
analyze the one or more of the visible light, the infrared light, or the near-infrared light to identify amounts of the visible light, the infrared light, or the near-infrared light that were absorbed by blood of the user to determine the blood oxygenation level of the user.
7. The wearable ring device of claim 1 , wherein the housing further comprises:
one or more actuators positioned within the housing and configured to provide haptic or physical feedback to the user.
8. 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.
9. The wearable ring device of claim 8 , wherein the communication module is configured to:
transmit data associated with one or more of the physical movement, the skin temperature, the heart rate, and the blood oxygenation level from the wearable ring device to the mobile device to develop baseline parameters associated with the user.
10. A wearable ring device configured to be worn on a finger of a user, comprising:
a housing having a width between 3 mm and 8 mm, and a thickness between 1.5 mm and 3 mm, the housing comprising:
an external housing, made of metallic material, having an exterior surface, an internal surface, a first sidewall, and a second sidewall, wherein the internal surface, the first sidewall, and the second sidewall define an internal space of the external housing; and
an internal potting at least partially surrounding a curved battery, a printed circuit board, and one or more components, wherein the internal potting at least partially fills the internal space of the external housing, wherein at least a layer of the internal potting forms an interior surface of the wearable ring device that is configured to contact tissue of the user when the wearable ring device is worn by the user,
wherein the internal potting adheres to 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,
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,
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 a physical movement of the user;
a temperature sensor configured to detect a 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 to emit one or more of the visible light, the infrared light, or the near-infrared light through the internal potting towards the 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 to measure one or both of a heart rate or a blood oxygenation level of the user.
11. The wearable ring device of claim 10 , wherein the physical movement is indicative of at least one gesture performed by the user,
wherein, in response to the detection of the at least one gesture performed by the user, the wearable ring device is configured to send a signal to a mobile device to perform one or more functions external to the wearable ring device.
12. The wearable ring device of claim 10 , wherein the housing further includes a gyroscope,
wherein the gyroscope is configured to detect the physical movement of the user, wherein the physical movement is indicative of at least one gesture performed by the user, and
wherein, in response to the gyroscope detecting the at least one gesture, the wearable ring device is configured to send a signal to a mobile device to perform one or more functions external to the wearable ring device.
13. The wearable ring device of claim 10 , wherein the housing further includes a near field communication (NFC) chip to trigger one or more functions when the wearable ring device is detected by another NFC device external to the wearable ring device.
14. The wearable ring device of claim 10 , further comprising one or more processors that are electrically coupled with the printed circuit board and, individually or in combination, configured to process data acquired from the one or more components, wherein the one or more processors, individually or in combination, are further configured to:
process the one or more of the visible light, infrared light, or the near-infrared light detected by the one or more light sensors based at least in part on a reflectance, an absorbance, or both.
15. The wearable ring device of claim 10 , further comprising one or more processors that are electrically coupled with the printed circuit board and, individually or in combination, configured to process data acquired from the one or more components, wherein the one or more processors, individually or in combination, are further configured to:
analyze the 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 the blood oxygenation level of the user.
16. The wearable ring device of claim 10 , wherein the internal potting is formed by applying a potting material that is in liquid or gelatinous form to at least partially fill the internal space of the external housing and solidifying the potting material.
17. The wearable ring device of claim 16 , wherein the potting material comprises epoxy.
18. The wearable ring device of claim 17 , wherein the housing further comprises:
a communication module configured to communicate with a software application executable on a mobile device, the communication module configured to transmit data associated with one or more of the physical movement, the skin temperature, the heart rate, and the blood oxygenation level from the wearable ring device to the mobile device to develop baseline parameters associated with the user.
19. The wearable ring device of claim 18 , wherein the communication module comprises a Bluetooth chip.
20. The wearable ring device of claim 10 , the housing having an interior diameter between 12 mm and 24 mm and an exterior diameter between 18 mm and 30 mm.