US-12616383-B2 - Methods and systems for combination electrodes for wearable devices

Abstract

Various embodiments provide a wellness tracking device with a base plate that may be utilized as a combination electrode by a variety of sensors. The base plate may be a multi-material electrode that includes a conductor and a transparent or semi-transparent material to enable optical sensing. In certain embodiments, the base plate supports a plurality of different sensors, which may selectively utilize the base plate as an electrode.

Inventors

• Jens Mitchell Nielsen
• Steven Thomas WOODWARD
• Dennis Jacob McCray
• Jaclyn Leverett Wasson
• Kyung Nim NOH
• Man-Chi Liu
• Alan LUU
• Peter Colin Dess
• Lindsey Michelle Sunden
• Lukas Bielskis
• Thomas CONSOLAZIO

Assignees

• FITBIT, INC.

Dates

Publication Date

20260505

Application Date

20231016

Claims (19)

1. 1 . A wearable device comprising: a housing including a base plate defining a plurality of openings extending therethrough, the base plate further defining a plurality of recesses located on an inside surface of the base plate; and a plurality of magnets configured to magnetically couple the base plate to a charger, each of the magnets positioned within a respective recess of the plurality of recesses.
2. 2 . The wearable device of claim 1 , wherein each of the plurality of recesses is positioned farther from a center point of the base plate than each of the plurality of openings.
3. 3 . The wearable device of claim 1 , wherein the base plate includes a plurality of charging pins, and wherein each of the plurality of recesses is positioned farther from a center point of the base plate than each of the plurality of charging pins.
4. 4 . The wearable device of claim 3 , wherein the plurality of charging pins are recessed in an outside surface of the base plate.
5. 5 . The wearable device of claim 4 , further comprising: a plurality of sleeves, each of the sleeves positioned around a respective charging pin of the plurality of charging pins.
6. 6 . The wearable device of claim 1 , wherein the base plate is formed from a conductor that is both electrically conductive and thermally conductive.
7. 7 . The wearable device of claim 6 , wherein the conductor is stainless steel.
8. 8 . The wearable device of claim 1 , further comprising: a plurality of panes, each of the panes positioned within a respective opening of the plurality of openings.
9. 9 . The wearable device of claim 8 , wherein at least one pane of the plurality of panes is formed from a semi-transparent material.
10. 10 . The wearable device of claim 8 , wherein a thickness of each of the plurality of panes is less than a thickness of the base plate.
11. 11 . The wearable device of claim 8 , further comprising: a plurality of optical sensors, each of the plurality of optical sensors configured to emit an optical signal through a respective pane of the plurality of panes.
12. 12 . The wearable device of claim 1 , wherein the plurality of openings include a first opening and a plurality of second openings, the first opening positioned closer to the center point of the base plate than each of the plurality of second openings.
13. 13 . The wearable device of claim 12 , wherein: the first opening has a first aspect ratio; and each of the plurality of second openings has a second aspect ratio that is different than the first aspect ratio.
14. 14 . A wearable device comprising: a housing including a base plate defining a plurality of openings extending therethrough, the base plate including a plurality of charging pins, the base plate defining a plurality of recesses located on an inside surface of the base plate; and a plurality of magnets configured to magnetically couple the base plate to a charger, each of the magnets positioned within a respective recess of the plurality of recesses.
15. 15 . The wearable device of claim 14 , wherein each of the plurality of recesses is positioned farther from a center point of the base plate than each of the plurality of charging pins.
16. 16 . The wearable device of claim 14 , further comprising: a plurality of panes, each of the panes positioned within a respective opening of the plurality of openings.
17. 17 . The wearable device of claim 16 , wherein at least one pane of the plurality of panes is formed from a semi-transparent material.
18. 18 . The wearable device of claim 16 , wherein a thickness of each of the plurality of panes is less than a thickness of the base plate.
19. 19 . The wearable device of claim 16 , further comprising: a plurality of optical sensors, each of the plurality of optical sensors configured to emit an optical signal through a respective pane of the plurality of panes.

Description

PRIORITY CLAIM The present application is a continuation of U.S. application Ser. No. 17/891,606 having a filing date of Aug. 19, 2022, which is a continuation of U.S. application Ser. No. 16/457,363 having a filing date of Jun. 28, 2019, now U.S. Pat. No. 11,419,504, issued on Aug. 23, 2022. Applicant claims priority to and the benefit of each of such applications and incorporate all such applications herein by reference in its entirety. BACKGROUND Wearable electronic devices have gained popularity among consumers. A wearable electronic device may track a user's activities using a variety of sensors. Data captured from these sensors can be analyzed in order to provide a user with information, such as an estimation of how far they walked in a day, their heart rate, how much time they spent sleeping, and the like. However, wearable devices may have limited surfaces areas where sensors may be arranged, and moreover, the position of the various sensors may impact the accuracy of the readings. Increasing the size of the wearable devices may not be feasible for a variety of reasons. BRIEF DESCRIPTION OF THE DRAWINGS Various embodiments in accordance with the present disclosure will be described with reference to the drawings, in which: FIG. 1 illustrates an example of a user with a wearable device on an extremity, in accordance with various embodiments of the present disclosure. FIG. 2A illustrates a schematic top plan view of an embodiment of a wearable device arranged on an extremity, in accordance with various embodiments of the present disclosure. FIG. 2B illustrates a schematic top plan view of an embodiment of a wearable device arranged on an extremity, in accordance with various embodiments of the present disclosure. FIG. 3A illustrates a bottom perspective view of an embodiment of a base plate of a wearable device, in accordance with various embodiments of the present disclosure. FIG. 3B illustrates a top perspective view of an embodiment of a base plate of a wearable device, in accordance with various embodiments of the present disclosure. FIG. 4 illustrates a top plan view of an embodiment of a base plate of a wearable device, in accordance with various embodiments of the present disclosure. FIG. 5 illustrates a cross-sectional side elevation view of an embodiment of a base plate of a wearable device, in accordance with various embodiments of the present disclosure. FIG. 6A illustrates a top exploded perspective view of an embodiment of a base plate and light blocking assembly of a wearable device, in accordance with embodiments of the present disclosure. FIG. 6B is a top plan view of an embodiment of a base plate and light blocking assembly of a wearable device, in accordance with embodiments of the present disclosure. FIG. 7 illustrates a cross-sectional side elevation view of an embodiment of a base plate of a wearable device including a temperature sensor, in accordance with various embodiments of the present disclosure. FIG. 8 illustrates a top exploded perspective view of an embodiment of a base plate and charging pins of a wearable device, in accordance with embodiments of the present disclosure. FIG. 9 illustrates a cross-sectional side elevation view of an embodiment of a housing of a wearable device, in accordance with embodiments of the present disclosure. FIG. 10 illustrates an example process for determining a physical property of a user of a wearable device, in accordance with various embodiments of the present disclosure. FIG. 11 illustrates an example process for forming a base plate of a wearable device, in accordance with various embodiments of the present disclosure. FIG. 12 illustrates a set of basic components of one or more devices of the present disclosure, in accordance with various embodiments of the present disclosure. DETAILED DESCRIPTION In the following description, various embodiments will be described. For purposes of explanation, specific configurations and details are set forth in order to provide a thorough understanding of the embodiments. However, it will also be apparent to one skilled in the art that the embodiments may be practiced without the specific details. Furthermore, well-known features may be omitted or simplified in order not to obscure the embodiment being described. Incorporated by reference, in their entireties, are “INTEGRATED ECG ELECTRODE AND ANTENNA RADIATOR,” filed Jun. 28, 2019, which claims priority to and the benefit of U.S. Provisional Patent Application No. 62/697,844, titled “INTEGRATED ECG ELECTRODE AND ANTENNA RADIATOR,” filed Jul. 13, 2018. Systems and methods in accordance with various embodiments of the present disclosure may overcome one or more of the aforementioned and other deficiencies experienced in conventional approaches for wearable devices, such as electronic wellness trackers. In particular, various embodiments provide a wearable device with a base plate that functions to enable a variety of sensors to receive information fro