Smart ring and wearable device kit

Abstract

The application relates to the technical field of wearable devices, and discloses a smart ring and a wearable device set. The smart ring is worn on a finger of a user, and the smart ring comprises a shell, a housing cavity formed around a first axis, an electric core arranged in the housing cavity, and a circuit assembly arranged in the housing cavity and electrically connected with the electric core. The circuit assembly comprises a touch control module, and the touch control module comprises a touch panel arranged in the circumferential direction of the shell. In the radial direction of the shell, the electric core and at least part of the touch panel are stacked. The smart ring can solve the circumferential parallel layout mode of the electric core and the touch control module in the prior art, has become a problem restricting the function expansion and wearing comfort of the smart ring, breaks through the circumferential size limitation of the annular space, and realizes efficient stacking and space multiplexing of the functional modules.

Description

Technical Field

[0001] This application relates to the field of wearable device technology, and more particularly to a smart ring and wearable device kit. Background Technology

[0002] As an important branch of wearable devices, smart rings combine portability and functionality, showing broad application prospects in fields such as health monitoring and interactive control. However, limited by the small space of ring-shaped devices, how to rationally arrange functional modules within a limited volume while ensuring wearing comfort has become a key challenge for current technological development. With the increasing demand for integration, the circumferential parallel layout of the battery cell and touch module in existing technologies has become a core bottleneck restricting the functional expansion and wearing comfort of smart rings. Utility Model Content

[0003] The present application discloses a smart ring and wearable device kit, which aims to solve the problem that the circumferential parallel layout of the battery cell and touch module in the prior art has become a constraint on the functional expansion and wearing comfort of smart rings. It breaks through the circumferential size limitation of the ring space and realizes the efficient stacking of functional modules and space reuse.

[0004] In a first aspect, this application provides a smart ring, comprising:

[0005] The housing forms a receiving cavity around the first axis;

[0006] The battery cell is disposed in the accommodating cavity;

[0007] A circuit assembly is disposed in the accommodating cavity and electrically connected to the battery cell. The circuit assembly includes a touch module, and the touch module includes a touch panel disposed circumferentially along the housing.

[0008] Wherein, along the radial direction of the housing, the battery cell is stacked with at least a portion of the touch panel.

[0009] Secondly, this application provides a wearable device kit, including an electronic device and a smart ring as described in any embodiment of this application, wherein the electronic device is capable of communicating with the smart ring.

[0010] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Attached Figure Description

[0011] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0012] Figure 1 This is a first-view structural diagram of a smart ring provided in an embodiment of this application;

[0013] Figure 2 A partial structural schematic diagram of a smart ring provided in an embodiment of this application;

[0014] Figure 3 A cross-sectional view of a smart ring provided in an embodiment of this application;

[0015] Figure 4 This is a partial structural diagram of a smart ring according to an embodiment of the present application, wherein the partial structure includes a circuit assembly, a coil assembly, and an adapter assembly;

[0016] Figure 5 This is a second-view structural diagram of a smart ring provided in one embodiment of this application;

[0017] Figure 6 A third-view structural diagram of a smart ring provided in an embodiment of this application;

[0018] Figure 7 A schematic diagram of a first strip electrode and a second strip electrode provided in an embodiment of this application;

[0019] Figure 8 This is a schematic diagram of the structure of a touchpad provided in one embodiment of this application;

[0020] Figure 9 This is a schematic block diagram of a wearable device kit provided in one embodiment of this application.

[0021] Explanation of reference numerals in the attached figures:

[0022] 1000. Wearable device kit;

[0023] 100. Smart ring;

[0024] 10. Housing; 101. Radial; 102. Circumferential; 11. Inner housing; 111. Wearing hole; 112. Metal part; 113. First window; 114. Second window; 12. Outer shell; 13. Receiving cavity; 131. Support member; 14. Electrical connector; 15. First axis;

[0025] 20. Battery cells;

[0026] 30. Circuit assembly; 31. Touch module; 311. Touchpad; 3111. First strip electrode; 3112. Second strip electrode; 32. Control module; 34. Sensing module; 341. First light source assembly; 342. Second light source assembly; 343. Photoelectric sensor; 344. Light shield; 35. Wireless communication module;

[0027] 40. Coil assembly;

[0028] 51. First Zone; 52. Second Zone; 53. Third Zone; 54. Fourth Zone; 55. Instruction Department;

[0029] 60. Adapter assembly; 61. First end; 62. Second end; 63. Alternating zone; 70. Positioning magnet;

[0030] 200. Electronic equipment.

[0031] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit this application. Detailed Implementation

[0032] The technical solutions of the embodiments of this application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments of this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0033] The flowchart shown in the attached diagram is for illustrative purposes only and does not necessarily include all content and operations / steps, nor does it necessarily have to be performed in the order described. For example, some operations / steps can be broken down, combined, or partially merged, so the actual execution order may change depending on the actual situation.

[0034] It should be understood that the terminology used in this specification is for the purpose of describing particular embodiments only and is not intended to limit the scope of the application. As used in this specification and the appended claims, the singular forms “a,” “an,” and “the” are intended to include the plural forms unless the context clearly indicates otherwise.

[0035] It should be understood that, in order to clearly describe the technical solutions of the embodiments of this application, the terms "first" and "second" are used in the embodiments of this application to distinguish identical or similar items with substantially the same function and effect. For example, the first region and the second region are only used to distinguish different regions and do not limit their order. Those skilled in the art will understand that the terms "first" and "second" do not limit the quantity or execution order, and the terms "first" and "second" are not necessarily different.

[0036] It should also be understood that the term "and / or" as used in this application specification and the appended claims means any combination of one or more of the associated listed items and all possible combinations, and includes such combinations.

[0037] The consumer electronics industry is characterized by rapid product iteration and a constant stream of new technologies and concepts. Wearable device technology, as the most cutting-edge field in the industry, has enormous growth potential. In particular, smart rings, as an emerging wearable device, have attracted keen attention from industrial capital, tech enthusiasts, and consumers alike since their launch due to their convenience, comfort, personalization, fashion, and interactive flexibility.

[0038] Existing smart rings suffer from significant hardware integration deficiencies: Firstly, the touch module and energy storage components such as the battery cell are typically arranged side-by-side along the ring's circumference, resulting in a substantial occupation of the circumferential space of the casing. This not only squeezes the layout space for health monitoring modules (such as PPG sensors) but also creates a loose overall structure due to the dispersed distribution of modules, making it difficult to meet miniaturization design requirements. Secondly, the parallel arrangement of the battery cell and touch module in the traditional layout necessitates individual adjustments to the circumferential length of each module for different ring sizes (e.g., ring sizes 6-13), increasing PCBA design complexity and production costs. Furthermore, the close circumferential arrangement of the touch module and battery cell makes them susceptible to electromagnetic interference, leading to decreased touch signal stability and impacting the user experience.

[0039] However, limited by the confined space of ring-shaped devices, how to rationally arrange functional modules within a limited volume while ensuring wearing comfort has become a key challenge in current technological development. With the increasing demand for integration, the circumferential parallel layout of the battery cell and touch module in existing technologies has become a core bottleneck restricting the expansion of smart ring functions and wearing comfort.

[0040] To address at least some of the aforementioned problems, this application proposes a smart ring. Please refer to [link to relevant documentation]. Figures 1 to 6As shown. The smart ring 100 includes a housing 10, a battery cell 20, and a circuit assembly 30. The housing 10 forms a receiving cavity 13 around a first axis 15. Both the battery cell 20 and the circuit assembly 30 are disposed in the receiving cavity 13. The circuit assembly 30 is electrically connected to the battery cell 20. The circuit assembly 30 includes a touch module 31, which includes a touch panel 311 disposed along the circumference 102 of the housing 10. The battery cell 20 and at least a portion of the touch panel 311 are stacked along the radial direction 101 of the housing 10.

[0041] The core technical feature of the smart ring 100 is that a battery cell 20 and at least a portion of a touch panel 311 are stacked along the radial direction 101 of the housing 10. A ring-shaped cavity 13 is formed around the first axis 15 (the central axis of the ring) by the housing 10, which houses the battery cell 20, circuit components 30, and other functional modules. The circuit components 30 include a touch module 31, whose core component, the touch panel 311, is arranged circumferentially 102 (in the ring direction) along the housing 10, covering the user-accessible operating area. The battery cell 20 and the touch panel 311 are stacked radially 101 (perpendicular to the first axis 15, i.e., the thickness direction of the inner and outer sides of the ring) of the housing 10, meaning they partially overlap in the thickness direction, rather than being arranged side-by-side circumferentially 102.

[0042] The touch panel 311 is attached to the inner or outer side of the housing 10 along the circumferential direction 102, and its radial position 101 is stacked with the battery cell 20 (if the battery cell 20 is located inside or outside the touch panel 311, it is stacked along the thickness direction).

[0043] By stacking radially 101, the space of the housing 10 circumferentially 102 is released, allowing the touch module 31 (upper touchpad 311) and the health detection module (lower fingertip area PPG sensor) to be laid out in parallel, thus solving the defect of the existing technology that "the device layout is scattered and cannot be compatible with the touch and health detection modules".

[0044] The smart ring 100 breaks through the circumferential space limitation of traditional ring devices by stacking the battery cell 20 and the touch panel 311 radially 101. This enables efficient integration of the touch module 31 and the energy storage component, and simultaneously solves problems such as high cost of adapting multiple ring numbers, difficulty in compatibility of functional modules, and poor touch stability. It provides a practical technical solution for the miniaturization and multi-functional design of the smart ring 100.

[0045] In some embodiments, the housing 10 includes an inner housing 11 and an inner housing 12, the inner housing 11 defining a wear hole 111 around a first axis 15, the inner housing 11 and the inner housing 12 being connected to form a receiving cavity 13, and the touch panel 311 being attached to the inner housing 12.

[0046] The housing 10 includes an inner housing 11 and an inner housing 12. The inner housing 11 defines a wearing hole 111 (for fingers to pass through) around a first axis 15. The two are connected to form a receiving cavity 13. The touch panel 311 is attached to the inner housing 12 (outer housing 10 of the ring).

[0047] For example, the inner housing 11 and the inner housing 12 are fixed by injection molding, snap-fit, or adhesive to form an annular closed space. The battery cell 20, touch panel 311, and other modules are arranged in the accommodating cavity 13. The touch panel 311 (flexible FPC circuit board) is laid along the inner circumferential direction 102 of the inner housing 12 and is tightly attached to the inner housing 12 by adhesive or supporting foam to ensure direct signal transmission when the user touches the screen.

[0048] By attaching the touchpad 311 to the inner shell 12, the touch area is closer to the user's finger contact position, improving touch response sensitivity. The inner shell 12 clearly divides the wearable space and the functional module housing space, which facilitates the independent layout of health detection modules (such as the PPG sensor in the fingertip area) on the skin side of the inner shell 11, avoiding conflict with the outer touch module 31.

[0049] For example, the smart ring 100 also includes a support member 131; wherein the support member 131 is disposed between the battery cell 20 and the inner housing 11 so that the touch panel 311 is close to the outer housing 12; and / or, the support member 131 is disposed between the battery cell 20 and the touch module 31 so that the touch panel 311 is close to the inner wall surface of the outer housing 12.

[0050] The smart ring 100 includes a support 131, which is located between the battery cell 20 and the inner housing 11, and / or between the battery cell 20 and the touch module 31, for bringing the touchpad 311 close to the inner housing 12.

[0051] The support component 131 can be made of medical-grade support foam, which has elasticity and stability. By adjusting the thickness of the battery cell 20 on the inner housing 11 side through the support component 131 positioned between the battery cell 20 and the inner housing 11, the battery cell 20 is pressed against the touch module 31 on the inner housing 12 side, indirectly pushing the touchpad 311 closer to the inner housing 12. Alternatively, the support component 131 positioned between the battery cell 20 and the touch module 31 can directly support the touchpad 311 FPC, preventing touch signal attenuation due to bending or gaps.

[0052] The support component 131 provides physical support, precisely controlling the fit between the touchpad 311 and the inner shell 12. This prevents the touchpad 311 from shifting or loosening due to prolonged wear of the ring, ensuring stable touch sensitivity. The support component 131 also serves as insulation and cushioning, protecting the battery cell 20 and the touchpad 311 from crush damage and improving structural reliability.

[0053] For example, circuit assembly 30 includes a flexible printed circuit board, at least a portion of which forms a touch panel 311.

[0054] The circuit assembly 30 includes a flexible printed circuit board (FPC), of which at least a portion forms a touchpad 311. The touchpad 311 is formed directly by etching electrode patterns from a localized area of ​​the FPC, eliminating the need for an additional independent circuit board. The FPC is bent circumferentially 102 along the housing 10 to accommodate the annular curvature of a ring. The remaining area of ​​the FPC integrates traces that connect the electrodes of the touchpad 311 to the main control PCBA for signal transmission.

[0055] The flexible FPC can bend freely with the curvature of the housing 10, fitting the complex curved surface of the inner side of the inner housing 12, solving the problem of difficult layout of traditional rigid PCBs in annular space. The integrated design reduces the number of components and reduces assembly difficulty, while the flexibility allows the touch panel 311 to fit tightly with the battery cell 20 when stacked radially 101, saving circumferential space 102.

[0056] It should be noted that in some embodiments, please also refer to Figure 4 , 7 8. The touchpad 311 includes a first electrode layer and a second electrode layer. The first electrode layer includes at least one first strip electrode extending circumferentially 102 along the smart ring 100. The second electrode layer includes a plurality of second strip electrodes extending axially along the smart ring 100. The plurality of second strip electrodes 3112 are arranged circumferentially 102, and the second strip electrodes 3112 and the first strip electrodes 3111 form a partitioned capacitor array. "A plurality of" means at least two. For example, the number of second strip electrodes is at least three.

[0057] The touchpad 311 includes a first electrode layer (at least one first strip electrode extending circumferentially 102) and a second electrode layer (a plurality of second strip electrodes extending axially), which together form a partitioned capacitor array.

[0058] The first strip electrode extends circumferentially (circumferentially) along the ring, covering the touch area; the second strip electrode extends axially (in the ring thickness direction), with multiple circumferentially 102 electrodes evenly distributed, intersecting with the first strip electrode to form a capacitance detection unit. By detecting changes in the capacitance value of each capacitance unit, the user's touch position is located, supporting segmented control.

[0059] The partitioned capacitor array design allows for dynamic software disabling of inactive areas, enabling different models to share the same 311 PCBA touchpad (e.g., disabling part of the array segment for model 6 while enabling all segments for model 13), significantly reducing development costs for multiple models. The axial and circumferential 102-electrode cross-layout improves touch positioning accuracy and reduces the probability of accidental touches.

[0060] Meanwhile, the touchpad 311 of the touch module 31 adopts a partitioned capacitive array electrode structure, including at least one first strip electrode 3111 extending circumferentially (around the finger direction) of the smart ring, and at least three second strip electrodes 3112 extending axially (finger length direction) and arranged side-by-side circumferentially. Touch position detection is achieved through the cross-partitioning of circumferential and axial electrodes. The first strip electrode 3111 can be configured as follows: Figure 7 The image shows the RX (Receive) electrode, and the second electrode 3112 is the TX (Transmit) electrode. It should be noted that the description of the finger in this application is for illustrative purposes only and does not constitute a limitation on the specific structure.

[0061] For example, the first strip electrode 3111 is made of a flexible conductive material (such as ITO film, silver paste circuit), and is arc-shaped or ring-shaped, extending along the circumference of the shell (360-degree circumferential direction) to cover the touch operation area on the outer or inner side of the ring (e.g., the touch area on the back of the hand). It can be designed as a single-segment full circumferential electrode or a segmented circumferential electrode (e.g., 2-4 arc areas).

[0062] For example, the number of second type electrodes 3112 is at least 3, which extend along the ring axis (from the fingertip to the base of the finger), are arranged in parallel and are distributed at intervals in the circumferential direction (such as equal angular intervals of 120 degrees and 90 degrees) to form a longitudinal detection band.

[0063] The capacitive array intersects the first strip electrode 3111 and the second strip electrode 3112 in the touchpad area to form a partitioned capacitive array (for example, a circumferential ring area formed by one first strip electrode 3111 and an axial longitudinal strip formed by three second strip electrodes 3112 constitute three touch sub-areas). Each touch sub-area identifies touch events by detecting changes in capacitance.

[0064] The first electrode 3111 and the second electrode 3112 are printed or bonded to a flexible PCB substrate or PI film, bending with the curvature of the shell to fit the ring structure. Each electrode is connected to a touch chip (such as a capacitive sensing ASIC) via a wire. The chip is integrated into the circuit assembly and analyzes the touch position in real time (the circumferential angle corresponding to the first electrode 3111 and the axial position of the second electrode 3112 unit).

[0065] The first strip electrode 3111 covers the ring's annular surface, adapting to finger wrapping operations (such as rotating and sliding to adjust parameters). The axial electrode further subdivides the vertical operation area (such as fingertip taps and fingertip swipes), solving the positioning problem of traditional planar touch control on ring devices and achieving "360-degree circumferential + multi-segment axial" three-dimensional touch interaction. At least three second strip electrodes 3112 form ≥3 vertical detection zones (such as "top / middle / bottom" three areas). Combined with the angular positioning of the circumferential electrode, the specific position of the touch point on the ring surface can be accurately identified (e.g., distinguishing between fingertip swiping at the top of the ring and fingertip tapping at the bottom), supporting complex gestures (such as a combination of two-finger circumferential rotation and single-finger axial swipe).

[0066] The partitioned capacitive design reduces signal crosstalk between adjacent electrodes and improves anti-interference capabilities in scenarios such as humidity and vibration by detecting capacitance changes in specific sub-regions (rather than global signals). The number of second-type electrodes 3112 is ≥3. Touchpads 311 of the same length can dynamically adjust the effective detection area through software (e.g., only the upper and middle electrodes are used for smaller rings, and all electrodes are used for larger rings) to adapt to the differences in finger length for different rings and ensure a consistent touch experience.

[0067] In some embodiments, the circumferential electrode corresponds to "rotation adjustment" (such as volume and brightness), and the axial electrode corresponds to "sliding up and down to switch options." Combined operations enable multi-level menu interaction, fully utilizing the ring's circular operating space and avoiding the physical limitations of traditional buttons. It should be noted that in some embodiments, the number of the second type of electrode is not less than the number of the first type of electrode 3111.

[0068] The number of second-type electrodes is not less than the number of first-type electrodes. In the partitioned capacitor array, the number of second-type electrodes extending along the axial direction is greater than or equal to the number of first-type electrodes extending circumferentially 102 (e.g., 1 group of first-type electrodes, 2 or more groups of second-type electrodes), forming a well-spaced distribution of detection units.

[0069] More axial electrodes can subdivide the touch area, improve touch positioning resolution, and are especially suitable for precise control when the effective length of the touchpad 311 changes under different ring numbers (e.g., after a small ring number disables a large area, the remaining area still has enough detection units to ensure sensitivity).

[0070] It should be noted that in some embodiments, the ratio of the number of the first strip electrode to the number of the second strip electrode 3112 is any one of 1:2, 1:3, 1:4, 1:5, 2:5, 3:5, 1:6, 1:7, 2:7, 3:7, 1:8, 3:8, 1:9, and 1:10.

[0071] The ratio of the number of the first type of electrode to the number of the second type of electrode is a specific ratio (such as 1:2, 1:3, etc.). Based on the length and accuracy requirements of the touch area, the electrode quantity ratio is preset (for example, a 1:3 ratio corresponds to 1 set of circumferential 102 electrodes and 3 sets of axial electrodes) to form a standardized array template that is compatible with the software control logic of different ring numbers.

[0072] Standardized proportional design simplifies circuit layout and algorithm development, ensures the stability of capacitance detection under different combinations of number of electrodes, and provides a hardware foundation for the multi-ring shared touchpad 311.

[0073] It should be noted that in some embodiments, the number of the first strip electrodes is any one of 1, 2, 3, 4, 5, 6, 7; and / or, the number of the second strip electrodes is any one of 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15.

[0074] The number of the first strip electrodes is set according to the coverage area of ​​the touch area circumferentially 102 (e.g., 1 group covers the main operating area), and the number of the second strip electrodes is increased according to the accuracy requirements (e.g., more than 3 groups to achieve subdivided detection).

[0075] The flexible electrode configuration adapts to the varying touch areas of rings of different sizes (e.g., fewer electrodes for smaller rings and more electrodes for larger rings), and combined with software disabling strategies, it achieves a low-cost solution of "one hardware, multiple adaptations".

[0076] It should be noted that, in some embodiments, the smart ring 100 is configured to acquire and process the signal of the second strip electrode 3112 in a circumferentially divided region 102.

[0077] The touchpad of the touch module adopts a partitioned capacitor array design, in which the second strip electrode (axially extending TX electrode) is divided into multiple independent detection areas circumferentially (e.g., dividing the ring-shaped touch area into several segments). The signal processing module in the circuit assembly independently acquires and processes the signals of the second strip electrode in different circumferential areas, supporting dynamic enabling or disabling of the detection function by area.

[0078] By dynamically disabling ineffective circumferential areas (such as disabling certain electrode areas for users with small finger sizes), the same touchpad can be made compatible with different finger circumferences, reducing the development cost of multiple models. Circumferentially segmented signal processing can improve the angular positioning accuracy of the touch position and reduce signal interference between adjacent areas, making it particularly suitable for 360-degree interaction scenarios of ring-shaped devices.

[0079] In some embodiments, the housing 10 has a first region 51, a second region 52, a third region 53, and a fourth region 54. The first region 51 is a region that is fixedly in contact with the user's fingertip. The second region 52 is a region that corresponds to the first region 51 along the radial direction 101 of the housing 10. The third region 53 is a region between the first region 51 and the second region 52. The fourth region 54 is a region that is opposite to the third region 53 along the radial direction 101 of the housing 10. The touch panel 311 is disposed in at least one of the second region 52, the third region 53, and the fourth region 54.

[0080] The housing 10 divides the space into a first region 51 (fixed contact fingertip), a second region 52 (radial 101 corresponding to the first region 51), a third region 53 (between the first and second regions), and a fourth region 54 (radial 101 relative to the third region 53). The touch panel 311 is disposed in at least one of the second region 52, the third region 52, and the fourth region 54.

[0081] The first area 51 is the lower inner ring where the fingertip touches (the location of the health detection module), the second area 52 is the lower outer ring, the third area 53 is the middle of the circumferential area 102, and the fourth area 54 is the upper outer ring. The touchpad 311 is preferentially located in the fourth area 54 (the upper outer ring) to avoid the fingertip detection area and prevent functional conflicts.

[0082] By clearly defining the touch and health detection areas, the touchpad 311 (upper area) and the health detection module (lower fingertip area) are separated circumferentially 102, thus solving the defect of existing technology that "cannot be compatible with touch and health detection modules". The touch area is located on the upper side where the fingertip does not touch, reducing the probability of accidental touches in daily user activities.

[0083] For example, the circuit assembly 30 also includes a wireless communication module 35, which includes an antenna. The antenna and the touch panel 311 are located in adjacent or opposite areas, and the antenna and the touch panel 311 do not overlap along the radial direction of the housing 10.

[0084] The antenna and touchpad are positioned adjacent to each other in the circumferential direction of the housing (e.g., the antenna is in the third area and the touchpad is in the fourth area) or opposite each other (e.g., the antenna is in the second area and the touchpad is in the fourth area). They do not overlap in the thickness direction (radial direction) of the housing to avoid interference from the antenna's electromagnetic signal to the touchpad's capacitive sensing, or attenuation of the antenna signal reception / transmission by the touchpad electrodes.

[0085] Physical isolation design ensures that the wireless communication module and touch module do not interfere with each other, improving the purity of touch signals and the stability of wireless communication. Within a limited annular space, multiple modules can coexist through circumferential partitioning, avoiding the functional modules from encroaching on each other's space.

[0086] In some embodiments, the antenna is at least partially disposed in the third region 53 on the side near the second region 52, and the touchpad 311 is at least partially disposed in the fourth region 54. In some embodiments, the antenna may be partially disposed in the first region 51 or the second region 52. The portion disposed in the third region 53 or the fourth region 54 is not obstructed by a human body and is not affected by the charging coil, etc., ensuring stable communication. In some embodiments, the fourth region 54 is located near the second region 52. In some embodiments, the antenna may also extend to the second region 52 or the first region 51.

[0087] The third region is defined as the area on both sides between the fingertip contact area (first region) and the back of the hand (second region); the fourth region is the radially opposite side of the third region (i.e., the other side). The main body of the antenna is located in the third or fourth region (such as the side of the finger) to avoid being blocked by the fingertip (first region, close to the human body) or the bones of the back of the hand. The antenna can extend to the first / second region, but the main signal transmission and reception parts are located in the third / fourth region to ensure no electromagnetic interference from human tissue or charging coils (usually located on the inner shell close to the skin).

[0088] The third / fourth zone is far from human tissue and charging components, reducing signal attenuation and interference, and improving signal strength and connection stability for wireless communications such as Bluetooth and NFC. This allows for partial antenna extension to other areas, optimizing the path within a limited space while ensuring signal quality in the core area.

[0089] For example, such as Figure 2 As shown, a buffer zone 63 can be provided on the circuit assembly 30 and the adapter assembly 60 corresponding to the antenna. It should be understood that by setting the buffer zone 63, the signal interference of the antenna signal from other components in the circuit assembly 30 can be reduced, ensuring the stability and reliability of the antenna signal strength.

[0090] It should be noted that in some embodiments, the housing 10 further includes an outer shell 12, and the antenna is disposed on the outer shell 12.

[0091] The antenna is mounted on the housing 12, which serves as its carrier. The antenna is fixed to the surface or interior of the housing 12 by embedding, bonding, or integration. Preferably, the housing is made of non-metallic materials (such as ceramic or plastic) to avoid shielding wireless signals from metal and ensure antenna performance.

[0092] By integrating the antenna into the housing 12, no radial or circumferential space within the accommodating cavity is required, freeing up more internal space for components such as the battery cell and touch module. The housing 12 serves as the antenna carrier, reducing the assembly steps for individual antenna components and improving production efficiency.

[0093] It should be noted that, in some embodiments, the circuit assembly 30 includes a flexible printed circuit board having an antenna, the housing 12 having a first recess communicating with the accommodating cavity and configured to embed the antenna; and / or, the antenna is a laser-engraved antenna or a printed antenna.

[0094] The antenna is formed directly through FPC etching or printing processes, sharing the same FPC substrate as the flexible touchpad of the touch module, thus reducing the number of components. The FPC is bent along the inner wall of the housing to adapt to the ring structure, and the antenna portion is embedded in the first groove (inner wall groove) of the housing to ensure a stable fit. The laser-engraved antenna forms a metal antenna pattern on the surface of the housing by laser engraving; the printed antenna is printed with conductive ink on the surface of the FPC or housing 12 facing the receiving cavity 13.

[0095] The FPC integrates the antenna and touch module, reducing cable connections and improving reliability; the recessed design ensures the antenna is fixed in position and prevents displacement. Laser engraving or printing processes can be adapted to curved surfaces, reducing antenna manufacturing difficulty while meeting the requirements of thin and light design.

[0096] It should be noted that, in some embodiments, the circuit assembly 30 further includes a control module 32 and a circuit connection board. The circuit connection board is used to carry the control module 32, and the antenna is configured to be connected to the circuit connection board via a pin or socket so that the control module 32 is electrically connected to the antenna.

[0097] The control module (such as an MCU) is integrated into a circuit board (such as a rigid PCB or a flexible FPC). The antenna (such as an FPC antenna or an external antenna) makes physical contact with the circuit board and conducts electricity through pins (spring pins) or sockets (connectors). The pins or sockets are designed to be detachable, facilitating the removal, installation, and maintenance of the antenna from the motherboard. It should be noted that in some embodiments, the antenna is formed by an FPC, or the antenna can be integrally molded onto the circuit board.

[0098] The antenna and control module connect via a standardized interface, supporting independent replacement or upgrades and improving product maintainability. Low-impedance connections in the pins or sockets ensure high-frequency signal transmission quality and prevent communication failures caused by poor cable soldering.

[0099] For example, the housing 10 also has an indicator 55, which is disposed in at least one of the second region 52, the third region 53 and the fourth region 54, and the indicator 55 is used to indicate the recognition area of ​​the touch module 31.

[0100] The housing 10 has an indicator 55 located in at least one of the second region 52, the third region 52, and the fourth region 54, for indicating the recognition area of ​​the touch module 31. The indicator 55 is a corner protrusion / groove on the inner housing 12, or a specific pattern on the circumferential 102, clearly indicating the starting position of the touch area.

[0101] Physical markers (such as raised corners) help users locate the touch area, especially in dark environments where the user can quickly find the operation area by touch, thus improving the interactive experience.

[0102] It should be noted that in some embodiments, the housing 10 includes an inner housing 11 and an inner housing 12, and an indicator 55 is disposed on the inner housing 12. The indicator 55 is at least one of a pattern, a protrusion, or a groove.

[0103] The housing 10 includes an inner housing 12, and an indicator 55 is disposed on the inner housing 12, which can be at least one of a pattern, a protrusion, or a groove. A logo pattern is etched onto the surface of the inner housing 12 or raised corners are provided as visual and tactile markers for the touch area. The groove design increases friction and aids in positioning. Through both visual and tactile indicators, the user's awareness of the touch area is enhanced, accidental touches are reduced, and operational efficiency is improved.

[0104] For example, the circuit assembly 30 also includes a sensing module 34, at least a portion of which is disposed in the accommodating cavity 13 of the first region 51 and configured to detect the wearer's vital signs, and the touch module 31 is configured to output a touch signal in response to a user touch.

[0105] Specifically, the housing 10 has a first region 51 (finger pad region) that contacts the user's fingertip. This region is a physiologically advantageous area (dense capillaries and thin epidermis) used to optimize vital sign detection conditions. The sensing module is at least partially located within the cavity of the first region (finger pad region) and uses photoplethysmography (PPG) technology. By emitting green, red, and infrared light and receiving reflected signals, it detects vital sign parameters such as the wearer's heart rate and blood oxygen saturation, utilizing the physiological characteristics of the fingertip region to improve detection accuracy.

[0106] For example, the housing 10 adopts a ring structure, with the inner ring conforming to the skin of the finger. The first region 51 (finger pad region) corresponds to the inner side of the housing 10 that contacts the finger pad. This region has reserved space for fixing the sensing module 34 (such as the light source and photodiode of the PPG sensor), ensuring that the sensor is close to the dense capillary area of ​​the finger pad. The touch module 31 is arranged in the upper region of the housing 10 (such as the upper right or upper left corner). This region is easy for the user to touch and can reduce accidental touches. It forms an upper and lower partition layout with the sensing module 34 in the finger pad region to avoid functional interference.

[0107] The housing 10 adopts a ring structure, with the inner ring conforming to the finger skin. The first area 51 (finger pad area) is the inner side of the housing 10 that contacts the finger pad, and a space is reserved to accommodate the sensing module 34 (such as the light source and photodiode of the PPG sensor), ensuring that the sensor is close to the dense capillary area of ​​the finger pad. The touch module 31 is arranged in the upper area of ​​the housing 10 (such as the upper right or upper left corner), forming an upper and lower partition layout with the sensing module 34 to reduce accidental touches and functional interference.

[0108] The material of the inner ring of the housing 10 is not limited in this application embodiment. The inner ring of the housing 10 is made of a skin-friendly material (such as medical-grade silicone) or a metal material (such as stainless steel alloy, which avoids the allergy problem associated with silicone). The inner ring of the housing 10 fits tightly against the finger skin, and a recessed or grooved structure is designed on the inside of the fingertip area to fix the light source (such as an LED) and photodiode (PD) of the PPG sensor, ensuring direct contact with the fingertip epidermis (the area with the densest capillaries). The touchpad 311 of the touch module 31 is located on the upper side of the housing 10 (in the non-fingertip contact area), for example, with the upper right or upper left corner of the outer side of the ring as the core area. This area corresponds to the position easily touched by the fingertip when the finger is naturally bent, and is far from the fingertip detection area.

[0109] The sensing module 34 is placed directly close to the dense capillary area of ​​the fingertip, shortening the light signal transmission path, reducing the attenuation of the light signal by skin tissue, and improving the quality of PPG signal acquisition (such as more accurate heart rate and blood oxygen detection). The touch module 31 is located in the upper area, conforming to ergonomic design, making it easy for users to operate with one fingertip, while avoiding squeezing or displacement interference to the fingertip detection area during touch operation, reducing functional conflicts.

[0110] For example, the circuit assembly 30 includes a control module 32 along the circumferential direction 102, and the touch panel 311 has a first functional area and a second functional area. The control module 32 is used to process touch signals from the first functional area and the second functional area respectively.

[0111] The touchpad 311 is divided into a first functional area and a second functional area along the circumferential direction 102, and the control module 32 processes the touch signals of the two areas respectively. For example, the touchpad 311 can be divided into two or more independent areas (such as a left half and a right half) along the circumferential direction 102, with each functional area corresponding to different operating logic (such as the left half controlling page turning and the right half controlling confirmation). The control module 32 (such as an MCU) allocates an independent signal acquisition channel to each functional area, analyzes the touch events (such as clicks, long presses, and swipes) in real time, and supports configuring the mapping relationship of the functional areas through software.

[0112] Users can perform diverse operations through different areas, improving interaction efficiency (such as completing multiple command inputs with one hand); at the same time, partitioning avoids cross-zone signal interference and improves the anti-mistouch capability of touch recognition. Functional areas are flexibly divided according to the 102 circumferential space of the shell to adapt to different design needs (such as placing frequently used function areas in the easily accessible upper area, and secondary function areas on the side).

[0113] In some embodiments, the housing 10 includes an inner housing 11 and an outer housing 12. An indicator 55 is disposed on the outer housing 12. The inner housing 11 has a charging position, which is disposed opposite to the indicator 55 along the radial direction of the housing 10. Specifically, the charging position may be a location for setting the coil assembly 40 or a location for setting the conductive structure, i.e., the location of the first window 113. The indicator 55 may be a protrusion. In some embodiments, the smart ring 100 further includes a coil assembly 40, which is disposed on the inner housing 11 and disposed opposite to the protrusion. The coil assembly 40 is used for at least energy transmission. Exemplarily, the indicator 55 is at least partially aligned with the outer housing 12 to improve the installation accuracy and convenience of aligning the inner housing 11 and the outer housing 12 when assembling the smart ring 100.

[0114] The outer shell 12 has physical protrusions (such as dotted, striped textures, or bosses) or grooves on the surface opposite to the receiving cavity 13 to indicate the location of the touch area (such as the back of the hand in the second area). The inner shell (close to the skin side) is provided with a wireless charging coil or induction coil corresponding to the protrusion, and the coil is radially aligned with the protrusion to ensure that the coil is aligned with the external charger when charging.

[0115] The raised indicator helps users accurately locate the touch area when operating blindly, reducing accidental touches. The coil and the housing 12 protrude opposite each other, allowing the user to quickly align the coil with the charger when wearing it, ensuring coil coupling efficiency and improving wireless charging stability. In some embodiments, the housing 10 has a second region 52 disposed opposite to the first region 51 along the radial direction 101 of the housing 10, a third region 53 disposed between the first region 51 and the second region 52, and a fourth region 54 disposed opposite to the third region 53 along the radial direction 101 of the housing 10; wherein the touch module 31 is disposed in at least one of the second region 52, the third region 53 and the fourth region 54.

[0116] The housing 10 divides the space into four regions: a first region 51 (finger pad), a second region 52 (opposite to radial 101, such as the back of the hand), a third region 53 (both sides between the first and second regions 52), and a fourth region 54 (opposite to radial 101 of the third region 53). The touch module 31 is located in at least one region.

[0117] For example, the sensor module 34 is fixed in the first area 51 (inner fingertip area), and the touchpad 311 of the touch module 31 is set in the second area 52 (outer back of hand area), the third area 53 (left and right sides), and the fourth area 54 (opposite sides) according to the layout requirements. Each area is physically isolated (such as light shielding sheet, insulating layer) or spatially partitioned to avoid electromagnetic or mechanical interference between different modules (such as sensing, touch, and wireless communication).

[0118] Clear zoning allows for the orderly arrangement of various functional modules (sensing, touch, power, and communication) on the annular housing 10, avoiding crowding or conflict, and enabling functional coexistence, especially in confined spaces. The touch module 31 and the sensing module 34 are set in separate areas (e.g., touch on the upper side, sensing on the inside of the fingertip), reducing mechanical pressure or electromagnetic interference on the sensing module 34 during touch operations and ensuring the stability of the detection signal.

[0119] For example, the smart ring 100 also includes a wireless communication module 35: the touch module 31 is at least partially disposed in the third region 53, and the wireless communication module 35 is disposed in the accommodating cavity 13 of the fourth region 54 near the second region 52; or, the touch module 31 is at least partially disposed in the fourth region 54, and the wireless communication module 35 is disposed in the accommodating cavity 13 of the third region 53 near the second region 52.

[0120] The smart ring 100 includes a wireless communication module 35, with the touch module 31 at least partially located in the third region 53 (both sides), and the wireless communication module 35 located in the fourth region 54 (opposite sides) near the receiving cavity 13 of the second region 52 (back of the hand); or the touch module 31 is located in the fourth region 54, and the wireless communication module 35 is located in the third region 53 near the side of the second region 52.

[0121] For example, a partial touchpad 311 is arranged in the third area 53 (to the left or right of the finger), and a wireless communication module 35 (such as a Bluetooth or NFC chip) is installed in the cavity 13 near the back of the hand in the fourth area 54 (to the right or left of the opposite side). The two are connected by a flexible circuit board, away from the fingertip sensing module 34 to reduce interference. Alternatively, the touch module 31 is mainly located in the fourth area 54 (to the opposite side of the back of the hand), and the wireless communication module 35 is located in the third area 53 (on the side) near the back of the hand. The modules are separated by utilizing the space on both sides of the housing 10, ensuring that the antenna (such as the NFC coil) has an independent signal transmission space.

[0122] The wireless communication module 35 and the touch module 31 are respectively placed on both sides of the housing 10 (third / fourth area 54), away from the optical detection area of ​​the sensing module 34, reducing the interference of electromagnetic signals on capacitive touch signals and PPG optical signals, and improving the performance stability of each module.

[0123] For example, the touch panel 311 corresponding to the touch module 31 can be disposed in the second region and the third region, or the touch panel 311 can be disposed in the second region and the fourth region. Preferably, the touch panel 311 is disposed in the second region 52 and the fourth region 54; the touch panel 311 is also located in the second region 52 and the fourth region 54 through the battery cell 20 being stacked with it.

[0124] Since the circumferential space (around the finger direction) of the smart ring 100 is extremely limited, by stacking the touch panel 311 and the battery cell 20 in the radial direction 101 (thickness direction) of the housing 10 (the battery cell is close to the inside of the finger, and the touch panel covers the corresponding area on the outside), the two are prevented from competing for space in the circumferential direction 102 (ring), which frees up more circumferential space for other functional components such as the sensing module 34 and the coil assembly 40, and achieves high-density functional integration.

[0125] Meanwhile, the second region 52 (such as the fingertip side shell) and the fourth region 54 (such as the back of the hand side shell) are usually non-sensor-dense areas (sensor modules are mostly concentrated directly below the fingertip). The touchpad 311 is set here to avoid the optical path of the sensor module 34 (avoiding electromagnetic interference or structural obstruction), and to utilize the unused space on the outside (fourth region 54 or third region 53) and inside (second region 52) of the shell 10 to achieve a staggered distribution of functional areas and improve the rationality of the structural design.

[0126] For example, the smart ring 100 also includes a wireless communication module 35, which includes an antenna disposed in a third region 53 or a fourth region 54. By clearly dividing the regions, the sensing module 34 and the touch module 31 are distributed in different locations on the housing 10, achieving functional coexistence within a limited space and avoiding layout conflicts.

[0127] The wireless communication module 35 includes an antenna, which is located in the third region 53 (both sides) or the fourth region 54 (both sides opposite).

[0128] The antenna (such as an NFC antenna or a Bluetooth antenna) is designed in an arc or ring shape, fitting against the outer side of the housing 10 in the third area 53 (left or right side of the finger) or the fourth area 54 (opposite right or left side). Utilizing the side space of the housing 10, it avoids overlap with the fingertip sensing module 34 and the upper touch module 31. The antenna material uses a flexible conductive sheet or coil, embedded inside the housing 12 or the accommodating cavity 13, ensuring that the signal transmission direction is not obstructed by the finger (e.g., a lateral antenna reduces the attenuation of the wireless signal by the human body).

[0129] The antenna is positioned on the side (third / fourth area 54) to reduce the shielding effect of fingers on the signal (compared to the fingertips or back of the hand), improving the efficiency and stability of wireless communication (such as charging and data transmission). The antenna is kept away from heat sources (such as battery cell 20) and electromagnetically sensitive modules (such as sensors and touch controls) to reduce mutual interference and ensure communication quality.

[0130] For example, the sensing module 34 includes: a first light source assembly 341 that emits light toward the ring of the housing 10, the first light source assembly 341 including at least a red light source and an infrared light source; and a photoelectric sensor 343 assembly that detects reflected light and / or transmitted light from the first light source assembly 341 through the user's skin.

[0131] The sensing module 34 includes a first light source assembly 341 and a photoelectric sensor assembly 343. The first light source assembly 341 emits light toward the inner ring of the housing 10 and includes at least a red light source and an infrared light source. The photoelectric sensor assembly 343 detects reflected light and / or transmitted light through the user's skin.

[0132] For example, the first light source component 341 uses a red LED (wavelength 660nm) and an infrared LED (wavelength 940nm), with the light emission direction perpendicular to the skin of the fingertip. It utilizes the absorption characteristics of hemoglobin for different wavelengths of light (red light is easily absorbed by oxyhemoglobin, and infrared light is easily absorbed by deoxyhemoglobin). The photoelectric sensor component 343 (such as a photodiode PD) is fixed inside the housing 10 in the fingertip area, close to the skin surface, to receive transmitted or reflected light signals that penetrate the skin, and is used for photoplethysmography (PPG) signal acquisition.

[0133] By leveraging the difference in light absorption between red and infrared light, it supports the detection of blood oxygen saturation (SpO2). When combined with other light sources (such as green light), it can expand the function of heart rate detection, enabling the simultaneous acquisition of multiple vital signs parameters.

[0134] For example, the sensing module 34 further includes: a second light source assembly 342, which is disposed at intervals along the circumferential direction 102 of the housing 10 on one side of the first light source assembly 341, the second light source assembly 342 including at least a green light source, and a photoelectric sensor 343 assembly for detecting the first light source assembly 341 and / or the second light source assembly 342 for detecting reflected light and / or transmitted light through the user's skin.

[0135] A second light source component 342 is added by the sensing module 34 and is arranged at intervals along the circumference 102 of the housing 10 on one side of the first light source component 341, including at least a green light source; the photoelectric sensor 343 component detects the reflected / transmitted light of the first and second light source components 342 through the skin.

[0136] For example, the second light source component 342 uses a green LED (wavelength 520-550nm), because green light has a better reflective effect on the capillaries of the skin surface. It is arranged at a circumferential distance of 30-60 degrees from the first light source component 341 (red / infrared light) in the direction of the fingers 102. The photoelectric sensor component 343 simultaneously receives red, green and infrared light signals. It uses green light to enhance the acquisition of surface blood vessel signals and reduce the interference of deep tissues on light signals. It achieves synchronous detection of heart rate and blood oxygen through PPG technology.

[0137] Green light is specifically optimized for surface blood vessel signals, improving the stability and anti-interference ability of heart rate detection; the circumferential 102-spaced layout avoids crosstalk between multiple light sources, ensuring that light signals of each wavelength are collected independently and effectively.

[0138] It should be noted that, in some embodiments, the second light source assembly 342 includes a first transmitter and a second transmitter, which are respectively disposed on both sides of the first light source assembly 341 along the circumferential direction 102. The photoelectric sensor 343 assembly includes a first receiver and a second receiver, with the first receiver disposed on the side of the first transmitter along the circumferential direction 102 away from the first light source assembly 341, and the second receiver disposed on the side of the second transmitter along the circumferential direction 102 away from the first light source assembly 341.

[0139] The second light source assembly 342 includes first and second transmitters disposed on both sides of the first light source along the circumferential direction 102, and the photoelectric sensor 343 assembly includes first and second receivers disposed on the opposite side of the transmitters.

[0140] The first transmitter (green LED) and the second transmitter (green LED) are symmetrically distributed on the left and right sides of the first light source component 341 (red / infrared light) (180 degrees apart in the circumferential direction 102), forming a "dual light source symmetrical layout"; the first receiver (PD) and the second receiver (PD) are respectively set on the outside of the corresponding transmitter (away from the direction of the first light source), ensuring that no matter how the ring is rotated on the finger, at least one receiver can receive a valid light signal.

[0141] By using a symmetrically arranged dual transmitter and dual receiver, the signal attenuation or loss caused by deviations in the ring wearing angle is compensated, significantly improving the reliability of optical signal acquisition, and is especially suitable for the rotational shift that may occur when wearing a ring in daily life.

[0142] For example, it also includes: a light-shielding member 344, which is disposed on the side of the photoelectric sensor 343 assembly near the first light source assembly 341 and / or the second light source assembly 342, and the light-shielding member 344 is used to limit the propagation of light from the first light source assembly 341 and / or the second light source assembly 342 along the circumferential direction 102.

[0143] By adding a light-shielding component 344, located on the side of the photoelectric sensor 343 assembly near the light source assembly, the propagation of light from the light source along the circumferential direction 102 is restricted.

[0144] The light-shielding component 344 is made of annular foam, light-shielding sheet or insulating material, surrounding the periphery of the first light source assembly 341 and the second light source assembly 342, retaining only the light-emitting channel facing the skin of the fingertip, blocking the light from scattering to the housing 10 in the circumferential direction 102 (left and right direction); the height of the light-shielding component 344 matches the layout of the light source assembly and the photoelectric sensor 343 assembly, ensuring that the light can only be incident perpendicularly on the skin or received by the sensor after being reflected by the skin, avoiding interference from adjacent light sources or ambient light.

[0145] By effectively reducing the interference of stray light (including crosstalk between light sources and external ambient light) on the detection signal, the signal-to-noise ratio of the PPG signal is improved, and the detection accuracy of parameters such as heart rate and blood oxygen is significantly improved, especially in strong light environments.

[0146] In some embodiments, at least a portion of the housing 10 may be configured as a metal portion 112. It should be understood that the metal portion 112 may be formed in the area of ​​the inner ring of the housing 10 that is in contact with the human body for a long time during wear, or it may be formed in the outer ring of the housing 10. The metal portion 112 only needs to be able to come into contact with the human body under certain circumstances, and no specific limitation is made here.

[0147] For example, the smart ring also includes a grounding portion, with the touch module 31 and the metal portion 112 being directly or indirectly electrically connected to the grounding portion. The metal portion 112 and the grounding portion can be connected via an electrical connector 14, which may include at least one of conductive foam, wires, and an FPC. For example, at least a portion of the circuit connection board 33 can be an FPC, with the housing 10 directly soldered to the FPC, thereby electrically connecting the metal portion 112 and the grounding portion through the FPC. Alternatively, the metal portion 112 can be electrically connected to the grounding portion via a single section of FPC. It should be understood that connecting via the conductive foam 14 eliminates the need to solder the stainless steel inner housing 11 to the FPC, reducing the number of processes, lowering mass production difficulty, saving process costs, and improving production yield and efficiency. Furthermore, the conductive foam 14 can be used to adjust the fit of the circuit connection board 33 relative to the housing 10, further improving structural reliability and stability.

[0148] In some embodiments, the smart ring 100 further includes a coil assembly 40, which is used for at least energy transmission; wherein the coil assembly 40 is directly or indirectly connected to the circuit assembly 30.

[0149] The smart ring 100 includes a coil assembly 40 for energy transfer (such as wireless charging) and is directly or indirectly connected to the circuit assembly 30. The coil assembly 40 corresponds to the wireless charging RX receiving coil (inside the ring) and the charging base TX transmitting coil, and energy transfer is achieved through electromagnetic coupling. The coil is electrically connected to the main control PCBA.

[0150] The wireless charging design avoids the waterproof and poor contact problems of traditional contact charging, and the combination of positioning magnets improves charging efficiency (the higher the centering accuracy, the higher the efficiency).

[0151] For example, at least a portion of the coil assembly 40 overlaps the cell 20 assembly along the radial direction 101 of the housing 10. See also the supplementary references in some embodiments. Figure 6 ,like Figure 6 As shown, the inner housing 11 may have a first window 113, and the coil assembly 40 is disposed on the side of the accommodating cavity 13 near the inner housing 11 and exposed to the first window 113. It should be understood that since the coil assembly 40 may include coils such as wireless charging coils for energy transmission, when the inner ring is made of metal, the first window 113 can be opened in the inner housing 11 to prevent the energy transmission path from being blocked by the metal material, and to prevent eddy currents and shielding effects during energy transmission. When the coil assembly 40 includes coils such as NFC coils for signal communication, if the inner ring is made of metal, the first window 113 also needs to be opened in the inner housing 11 to prevent the signal communication path from being blocked by the metal material, to prevent signal shielding problems, and to improve the stability and reliability of the smart ring 100's interaction and transmission.

[0152] At least a portion of the coil assembly 40 overlaps the battery cell 20 radially 101 along the housing 10. On one hand, because the coil assembly 40 is relatively thin and light, while the battery cell 20 is relatively thick, a thinner and smaller space can be formed between the battery cell 20 and the housing 10 when it is placed within the accommodating cavity 13. This allows the coil assembly 40 to be cleverly positioned there, thereby improving the space utilization of the accommodating cavity 13 and the structural compactness of the smart ring 100. Furthermore, when at least a portion of the coil assembly 40 is a wireless charging coil, by placing this wireless charging coil on the side of the battery cell 20 away from the touchpad 311, it becomes possible to place the charging port or the first window 113 on the inner ring side of the smart ring 100. This avoids exposing the charging port or the first window 113, preserving a smooth and clean texture on the outer ring side of the smart ring 100, or providing space for stylish designs such as textures and patterns, and protecting the charging port or the first window 113 from external rain or splashes.

[0153] Meanwhile, the battery cell 20 (such as a micro lithium battery) can be arc-shaped and arranged on the inner side of the housing 10 radially 101 (closer to the finger side). The coil assembly 40 (wireless charging coil) is ring-shaped and stacked with the battery cell 20 along the radial 101 (thickness direction), with the overlapping area accounting for 30%-50% of the total length of the coil. The two are isolated by an insulating layer, with the coil located on the outer side (closer to the housing 12) and the battery cell 20 located on the inner side. This achieves a "coil-battery cell 20" stacked layout within the limited radial 101 space, maximizing the utilization of the housing 10's thickness. The wireless charging RX coil and the battery cell 20 are stacked in the radial 101 (thickness direction), for example, the coil is arranged around the outer or inner side of the battery cell 20, or there is partial overlap.

[0154] The radial 101 stacked layout further compresses the circumferential 102 space, improving the internal integration of the housing 10 and allowing the coil, battery cell 20, touch panel 311, and health detection module to be accommodated simultaneously within a limited annular space.

[0155] In some embodiments, the smart ring 100 further includes an adapter 60 configured to connect the battery cell 20 and the circuit assembly 30.

[0156] The adapter component 60 can be an NFC battery FPC (flexible circuit board). The main body is rectangular, and the width is close to the width of the battery. The part connecting it to the circuit component 30 is locally narrowed to avoid the antenna length increasing with the ring size (15mm-25mm).

[0157] The adapter component 60 is adapted to the inner diameter of different ring sizes. The length adjustment ensures the stability of the electrical connection between the battery cell 20 and the circuit component 30, avoiding the redesign costs caused by differences in ring size.

[0158] For example, the adapter component 60 has a length adapted to different housings 10; and / or, along the circumferential direction 102, the length of the adapter component 60 ranges from 15mm to 25mm. It should be understood that the length range of the adapter component 60 can be understood as an arc length range. It should be further understood that the position of the sensing module 34 and other detection devices in the circuit assembly 30, as well as the overall length of the circuit assembly 30, need to be adjusted according to different ring sizes so that the detection devices are set to correspond to the fingertip, ensuring that the overall layout of the detection devices can effectively support functions such as biosignal detection. Since the adapter component 60 and / or the circuit assembly 30 may have flexible parts such as FPC and flexible cables, the length of the adapter component 60 and / or the circuit assembly 30 in the circumferential direction 102 can be adaptively adjusted according to the ring size of the smart ring 100, thereby effectively ensuring that the sensing module 34 can be stably set in the receiving cavity 1313 of the first region 51 and aligned with the user's fingertip, ensuring the consistency of the positional layout of the sensing modules for different ring sizes. Typically, but not limitingly, the length of the adapter 60 can be 15mm, 16mm, 17mm, 18mm, 19mm, 20mm, 21mm, 22mm, 23mm, 24mm, 25mm, or any range of two values.

[0159] In some embodiments, such as Figure 1 and 3 As shown, a second window 114 may be provided on the inner housing 11, which may correspond to the sensor module 34. It should be understood that the second window 114 prevents the inner housing 11 from blocking the light propagation path of the "light source-human body-photoelectric sensor 343," thereby improving the stability and reliability of functions such as biosignal detection. It should be further understood that since the sensor module 34 may have multiple light sources and photoelectric sensors 343, multiple second windows 114 may be provided on the inner housing 11 corresponding to the light sources or photoelectric sensors 343.

[0160] For example, such as Figure 2 and Figure 3 As shown, the adapter component 60 may have a first end 61 and a second end 62 arranged opposite each other along the circumferential direction 102. The first end 61 is electrically connected to the battery cell 20, and the second end 62 is electrically connected to the circuit assembly 30. Since both the circuit assembly 30 and the battery cell 20 are large in size and difficult to accommodate, by setting the adapter component 60 between the circuit assembly 30 and the battery cell 20, the accommodating flexibility of the internal components of the smart ring 100 and the adaptability of the internal components to different ring sizes of the smart ring 100 can be improved more effectively, thereby reducing mass production costs and improving production yield and efficiency.

[0161] Specifically, at least a portion of the structure between the first end 61 and the second end 62 of the adapter component 60 can be bent or folded along the circumferential direction 102. It should be understood that at least a portion of the adapter component 60 can be bent to form a wavy or serrated folded structure. The overall extension can be adjusted by the wavy / serrated folded structure, which can both adapt to different finger sizes and release mechanical stress during wear, avoiding bending fatigue fracture.

[0162] For example, the length of the adapter component 60 may range from 15mm to 25mm. The adapter component 60 may also include an FPC with laser-etched lines or pre-cut markings. It should be understood that, to achieve the cutting function, the cutable FPC can use a thinner, more flexible substrate, such as a polyimide (PI) film, wherein the laser-etched lines and pre-cut markings further facilitate adaptation cutting by manufacturers or users. Furthermore, since the length can reach 15mm-25mm, it can be cut or bent to fit most ring sizes of the smart ring 100.

[0163] For example, the smart ring 10 also includes a positioning magnet 70 disposed within the receiving cavity 13.

[0164] The smart ring 100 includes a positioning magnet 70 disposed within a receiving cavity 13. The positioning magnet 70 (e.g., a neodymium iron boron magnet) is fixed within the receiving cavity 13 inside the housing 10, corresponding to the magnetic pole position of the wireless charging base. The attraction between the magnets automatically aligns the ring with the charging base. The magnet is externally wrapped with an anti-magnetic shielding material (e.g., a soft magnetic alloy) to prevent electromagnetic interference from the magnetic field on the sensing module 34 (PPG sensor) and the touch module 31 (capacitive sensor). The positioning magnet 70, disposed within the receiving cavity 13, interacts with the magnets within the charging device 200 (e.g., the magnet group corresponding to the TX transmitting coil), limiting the ring to a preset position within the charging device 200, achieving precise alignment of the RX and TX coils or the conductive contact points.

[0165] The housing 10 surrounds the first axis 15 to form a ring-shaped cavity 13, which integrates a battery cell 20, a circuit assembly 30 and a positioning magnet 70. The overall structure is adapted to be worn on the finger, taking into account both compactness and functional integration.

[0166] The battery cell 20 supports wireless charging (RX receiving coil) or conductive contact charging. It is located within the accommodating cavity 13 and works with the TX transmitting coil or conductive contacts of the charging device 200 to achieve energy transfer. The battery cell 20 is positioned on the side of the housing 10 near the fingertip or in the corresponding area of ​​radial 101 to ensure precise alignment with the coil / contacts of the charging device 200.

[0167] The circuit assembly 30 includes a sensing module 34 (such as a multi-wavelength light source assembly or a photoelectric sensor), a wireless communication module 35, etc., integrated in the first area 51 and its surroundings where the fingertip touches, to realize health detection functions such as heart rate and blood oxygenation. It is electrically connected to the battery cell 20, and obtains energy and transmits detection data through the battery cell 20.

[0168] The positioning magnet 70 is disposed within the accommodating cavity 13 (such as the fingertip area or surrounding the sensing module 34). Preferably, the positioning magnet 70 is made of a biocompatible material (such as a medical-grade encapsulated magnet). The shape of the positioning magnet 70 can be adapted to the space design as a ring, arc, or square. The positioning magnet 70 and the magnet assembly (central attractive magnet + two repulsive magnets on both sides, with an included angle of ≤90°) inside the charging device 200 are automatically aligned through magnetic attraction, without the need for mechanical protrusions.

[0169] like Figure 9 As shown in the embodiments of this application, a wearable device kit 1000 is also proposed. This wearable device kit includes an electronic device 200 and a smart ring 100 as described in any embodiment of this application. The electronic device 200 is capable of communicating with the smart ring 100. It should be understood that the electronic device 200 may include wireless headphones, tablets, mobile phones, game consoles, and other mobile devices with communication functions, as well as wearable device kits with communication functions such as smart glasses and smart bracelets. The communication connection between the electronic device 200 and the smart ring can be one-to-one, many-to-one, one-to-many, or many-to-many, and no specific limitations are made here. The electronic device 200 can also be used in conjunction with the smart ring 100 to form a wearable system.

[0170] It should be understood that wearable devices such as smart glasses are also characterized by their compact structure and small size, making it difficult to achieve convenient and rich interaction within their current size and weight. Adding interactive modules such as touchpads to smart glasses would require excessive user movements, causing discomfort and inconvenience. Simple voice interaction, on the other hand, would expose user privacy and make it difficult to implement functions such as mobile payment and password input. Therefore, this smart ring can be used as an interaction medium with smart glasses. For example, touch interaction with the smart ring can enable the transmission and reception of control signals between the ring and the smart glasses, thus achieving convenient, elegant, and private human-computer interaction.

[0171] The above description is merely a specific embodiment of this application, but the scope of protection of this application is not limited thereto. Any person skilled in the art can easily conceive of various equivalent modifications or substitutions within the technical scope disclosed in this application, and these modifications or substitutions should all be covered within the scope of protection of this application. Therefore, the scope of protection of this application should be determined by the scope of the claims.

Claims

1. A smart ring, characterized in that, The smart ring, worn on the user's finger, includes: The housing forms a receiving cavity around the first axis; The battery cell is disposed in the accommodating cavity; A circuit assembly is disposed in the accommodating cavity and electrically connected to the battery cell. The circuit assembly includes a touch module, and the touch module includes a touch panel disposed circumferentially along the housing. Wherein, along the radial direction of the housing, the battery cell is stacked with at least a portion of the touch panel.

2. The smart ring as described in claim 1, characterized in that, The housing includes an inner housing and an outer housing. The inner housing defines a wear hole around the first axis. The inner housing is connected to the outer housing to form the receiving cavity. The touch panel is attached to the outer housing.

3. The smart ring as described in claim 2, characterized in that, The smart ring also includes a support component; Wherein, the support member is disposed between the battery cell and the inner housing, so that the touch panel is close to the outer housing; and / or, The support member is disposed between the battery cell and the touch module so that the touch panel is close to the outer casing.

4. The smart ring as described in claim 2, characterized in that, The circuit assembly includes a flexible printed circuit board, at least a portion of which forms the touchpad.

5. The smart ring as described in claim 4, characterized in that, The touchpad includes a first electrode layer and a second electrode layer. The first electrode layer includes at least one first strip electrode extending circumferentially along the smart ring, and the second electrode layer includes a plurality of second strip electrodes extending axially along the smart ring. In this configuration, multiple second strip electrodes are arranged along the circumferential direction, and the second strip electrodes and the first strip electrodes form a partitioned capacitor array.

6. The smart ring as described in claim 5, characterized in that, The number of the second type of electrode is not less than the number of the first type of electrode.

7. The smart ring as described in claim 5, characterized in that, The ratio of the number of the first strip electrode to the number of the second strip electrode is any one of 1:2, 1:3, 1:4, 1:5, 2:5, 3:5, 1:6, 1:7, 2:7, 3:7, 1:8, 3:8, 1:9, or 1:

10.

8. The smart ring as described in claim 5, characterized in that, The number of the first strip electrodes is any one of 1, 2, 3, 4, 5, 6, or 7; and / or, The number of the second strip electrodes is any one of 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, and 15.

9. The smart ring as described in claim 5, characterized in that, The smart ring is configured to acquire and process signals from the second strip electrode in circumferentially segmented regions.

10. The smart ring as described in claim 1, characterized in that, The housing has a first region, a second region, a third region, and a fourth region. The first region is a region that is fixedly in contact with the user's fingertips. The second region is a region that corresponds to the first region along the radial direction of the housing. The third region is the region between the first region and the second region. The fourth region is a region that is opposite to the third region along the radial direction of the housing. The touchpad is disposed in at least one of the second region, the third region, and the fourth region.

11. The smart ring as described in claim 10, characterized in that, The circuit assembly also includes a wireless communication module, which includes an antenna. The antenna and the touchpad are located in adjacent or opposite areas and are along the radial direction of the housing. The antenna and the touchpad do not overlap.

12. The smart ring as described in claim 11, characterized in that, The antenna is at least partially disposed in the third region on the side close to the second region, and the touchpad is at least partially disposed in the fourth region.

13. The smart ring as described in claim 11, characterized in that, The housing also includes an outer shell, and the antenna is disposed on the outer shell.

14. The smart ring as described in claim 13, characterized in that, The circuit assembly includes a flexible printed circuit board having the antenna, and the housing has a first groove communicating with the receiving cavity and configured to embed the antenna. And / or, The antenna is either a laser-engraved antenna or a printed antenna.

15. The smart ring as described in claim 11, characterized in that, The circuit assembly also includes a control module and a circuit connection board. The circuit connection board is used to carry the control module, and the antenna is configured to be connected to the circuit connection board via a pin or socket so that the control module is electrically connected to the antenna.

16. The smart ring as described in claim 10, characterized in that, The housing also has an indicator portion disposed in at least one of the second region, the third region, and the fourth region, the indicator portion being used to indicate the recognition area of ​​the touch module.

17. The smart ring as described in claim 16, characterized in that, The housing includes an inner housing and an outer housing, and the indicator is disposed on the outer housing. The indicator is at least one of a pattern, a protrusion, or a groove.

18. The smart ring as described in claim 16, characterized in that, The housing includes an inner housing and an outer housing. The indicator is disposed on the outer housing. The inner housing has a charging position, which is disposed opposite to the indicator along the radial direction of the housing.

19. The smart ring as described in claim 1, characterized in that, The smart ring also includes a coil assembly, which is used for at least energy transfer; The coil assembly is directly or indirectly connected to the circuit assembly.

20. The smart ring as described in claim 19, characterized in that, Along the radial direction of the housing, at least a portion of the coil assembly overlaps with the cell assembly.

21. The smart ring as described in claim 1, characterized in that, The smart ring also includes an adapter component configured to connect the battery cell and the circuit assembly.

22. A wearable device kit, characterized in that, The wearable device kit includes an electronic device and a smart ring as described in any one of claims 1-21, wherein the electronic device is capable of communicating with the smart ring.

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