# US 11,998,326 B2 · Smart wearable device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,998,326 B2 - Document ID: US11998326B2 - Status: Granted - Kind: B2 - Application number: 17/585,841 - Filed: 2022-01-27 - Published: 2022-05-12 - Granted: 2024-06-04 - Earliest claimed: 2016-11-02 - Assignees: Huawei Technologies Co., Ltd. - Applicants: Huawei Technologies Co., Ltd. - Inventors: Xiaodong Ni; Yi Xi; Ao Shen; Wenxiong Wei - Web page: https://patentgrep.com/patent/US11998326B2 ## CPC - A61B 5/14552: {Details of sensors specially adapted therefor} - A61B 5/02: Detecting, measuring or recording for evaluating the cardiovascular system, e.g. pulse, heart rate, blood pressure or blood flow - A61B 5/0205: Simultaneously evaluating both cardiovascular conditions and different types of body conditions, e.g. heart and respiratory condition - A61B 5/0255: Recording instruments specially adapted therefor - A61B 5/256: Wearable electrodes, e.g. having straps or bands - A61B 5/279: specially adapted for particular uses - A61B 5/28: for electrocardiography [ECG] - A61B 5/681: {Wristwatch-type devices} - G06F 1/163: {Wearable computers, e.g. on a belt} - A61B 5/02416: {using photoplethysmograph signals, e.g. generated by infrared radiation (A61B5/14552 takes precedence)} - A61B 5/02438: {with portable devices, e.g. worn by the patient} - A61B 2560/0209: adapted for power saving - A61B 2560/0214: of power generation or supply - H02J 50/10: using inductive coupling - A61B: DIAGNOSIS; SURGERY; IDENTIFICATION (usefulness limited to only animals A61D) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - H02J: ELECTRIC POWER NETWORKS; CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY ## Abstract A smart wearable device includes a detection apparatus and a case, the detection apparatus specifically includes one set of measuring parts and a plurality of sets of light emitting parts; the one set of measuring parts and the plurality of sets of light emitting parts are inlaid into the case and arranged into a polygon, where each of the plurality of sets of light emitting parts and the one set of measuring parts each occupies one of a plurality of angles of the polygon, and a central position of the polygon is at a specified distance to each angle of the polygon. A specific embodiment of the present invention provides a smart wearable device. One set of measuring parts and a plurality of sets of light emitting parts are disposed into a case and arranged into a polygon. ## Claims ### Claim 1 A smart wearable device, wherein the smart wearable device comprises: a detection apparatus and a case, the detection apparatus comprises a set of measuring parts and at least three sets of light emitting parts; wherein: the set of measuring parts and the at least three sets of light emitting parts are inlaid into the case, the at least three sets of light emitting parts comprise a first set of light emitting parts, a second set of light emitting parts, and a third set of light emitting parts, a center of the set of measuring parts, a center of the first set of light emitting parts, a center of the second set of light emitting parts, and a center of the third set of light emitting parts form a quadrilateral, the first set of light emitting parts and the second set of light emitting parts are adjacent to the set of measuring parts, and the third set of light emitting parts are opposite to the set of measuring parts, at least one of the first set of light emitting parts or the second set of light emitting parts is operable to emit green light for detecting heart rate, and the third set of light emitting parts is configured to emit at least one of red light or infrared light for detecting blood oxygen. ### Claim 2 (depends on 1) The smart wearable device according to claim 1, wherein a second device is further disposed at a central position of the quadrilateral. ### Claim 3 (depends on 2) The smart wearable device according to claim 2, wherein the smart wearable device comprises a wireless charging device, the wireless charging device comprises an electromagnetic coil and a magnet, the electromagnetic coil is disposed at an edge of the case, and the magnet is the second device. ### Claim 4 (depends on 2) The smart wearable device according to claim 2, wherein the second device is an electrode for electrocardiograph measurement. ### Claim 5 (depends on 1) The smart wearable device according to claim 1, wherein the first set of light emitting parts comprises at least one light emitting diode; the second set of light emitting parts comprises at least one light emitting diode; the third set of light emitting parts comprises at least one light emitting diode; and the one set of measuring parts comprises at least one photodiode. ### Claim 6 (depends on 1) The smart wearable device according to claim 1, wherein each of the first set of light emitting parts, the second set of light emitting parts and the third set of light emitting parts includes at least one green diode, at least one red diode, and at least one infrared diode. ### Claim 7 (depends on 1) The smart wearable device according to claim 1, wherein the smart wearable device is operable to start at least one of the first set of light emitting parts or the second set of light emitting parts according to a first control signal, and to start the third set of light emitting parts according to a second control signal. ### Claim 8 (depends on 7) The smart wearable device according to claim 7, wherein the first control signal is a signal for reducing system power consumption, and the second control signal is a signal for increasing a modulation depth. ### Claim 9 (depends on 1) The smart wearable device according to claim 1, wherein the first set of light emitting parts, the second set of light emitting parts, and the third set of light emitting parts are tri-color light emitting diodes of red, infrared, and green, and the smart wearable device is operable to start the first set of light emitting parts and the second set of light emitting parts according to a first control signal or a third control signal, and to start the third set of light emitting parts according to a second control signal or a fourth control signal, wherein the first control signal is a blood oxygen detection signal for reducing system power consumption, the second control signal is a blood oxygen detection signal for increasing a modulation depth, the third control signal is a heart rate detection signal for reducing system power consumption, and the fourth control signal is a heart rate detection signal for increasing a modulation depth. ### Claim 10 (depends on 1) The smart wearable device according to claim 1, wherein the smart wearable device is a smartwatch. ### Claim 11 (depends on 10) The smart wearable device according to claim 10, wherein the smartwatch is operable to: receive a first control instruction to start the first set of light emitting parts and the second set of light emitting parts and to detect a reflected light by the set of measurement parts, so as to detect heart rate; or receive a second control instruction to start the third set of light emitting parts and to detect reflected light by the set of measurement parts, so as to detect blood oxygen. ### Claim 12 (depends on 1) The smart wearable device according to claim 1, wherein the smart wearable device is operable to: send green light for detecting heart rate by turning on at least one of the first set of light emitting parts or the second set of light emitting parts during heart rate detection, wherein the set of measuring parts is operable to detect heart rate according to reflected light; and send at least one of red light or infrared light for detecting blood oxygen by turning on the third set of light emitting parts during blood oxygen detection, wherein the set of measuring parts is operable to detect blood oxygen according to the reflected light. ### Claim 13 A smart wearable device, wherein the smart wearable device comprises: a detection apparatus and a case, the detection apparatus comprises a set of measuring parts and at least three sets of light emitting parts; wherein: the set of measuring parts and the at least three sets of light emitting parts are inlaid into the case, the at least three sets of light emitting parts comprise a first set of light emitting parts, a second set of light emitting parts, and a third set of light emitting parts, a center of the set of measuring parts, a center of the first set of light emitting parts, a center of the second set of light emitting parts, and a center of the third set of light emitting parts form a quadrilateral, the first set of light emitting parts and the second set of light emitting parts are adjacent to the set of measuring parts, the third set of light emitting parts is opposite to the set of measuring parts, each of the first set of light emitting parts, the second set of light emitting parts and the third set of light emitting parts includes one green diode, one red diode, and one infrared diode, one of the first set of light emitting parts or the second set of light emitting parts is operable to emit green light for detecting heart rate, and the first set of light emitting parts, the second set of light emitting parts and the third set of light emitting parts are operable to emit red light and infrared light for detecting blood oxygen, wherein the red diode of the first set of light emitting parts, the red diode of the second set of light emitting parts and the red diode of the third set of light emitting parts emit red light at different moments, and the infrared diode of the first set of light emitting parts, the infrared diode of the second set of light emitting parts and the infrared diode of the third set of light emitting parts emit infrared light at different moments. ### Claim 14 (depends on 13) The smart wearable device according to claim 13, wherein the set of measuring parts comprises at least one photodiode. ### Claim 15 (depends on 13) The smart wearable device according to claim 13, wherein the smart wearable device is operable to start one of the first set of light emitting parts or the second set of light emitting parts according to a first control signal, and to start one of the first set of light emitting parts, the second set of light emitting parts or the third set of light emitting parts according to a second control signal. ### Claim 16 (depends on 15) The smart wearable device according to claim 15, wherein the first control signal is a signal for reducing system power consumption, and the second control signal is a signal for increasing a modulation depth. ### Claim 17 (depends on 13) The smart wearable device according to claim 13, wherein the smart wearable device is a smartwatch. ### Claim 18 (depends on 17) The smart wearable device according to claim 17, wherein the smartwatch is operable to: receive a first control instruction to start the first set of light emitting parts or the second set of light emitting parts and to detect reflected light by the one set of measurement parts, so as to detect heart rate; or receive a second control instruction to start one of the first set of light emitting parts, the second set of light emitting parts and the third set of light emitting parts and to detect a reflected light by the one set of measurement parts, so as to detect blood oxygen. ### Claim 19 (depends on 13) The smart wearable device according to claim 13, wherein the smart wearable device is operable to: send green light for detecting heart rate by turning on the first set of light emitting parts or the second set of light emitting parts during heart rate detection, wherein the set of measuring parts is operable to detect heart rate according to a reflected light; and send at least one of red light or infrared light for detecting blood oxygen by turning on one of the first set of light emitting parts, the second set of light emitting parts or the third set of light emitting parts during blood oxygen detection, wherein the set of measuring parts is operable to detect blood oxygen according to the reflected light. ### Claim 20 (depends on 13) The smart wearable device according to claim 13, wherein a second device is further disposed at a central position of the quadrilateral.