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公开(公告)号:US20190059751A1
公开(公告)日:2019-02-28
申请号:US16019948
申请日:2018-06-27
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Zicheng HUANG , Liang LI , Pan NI
IPC: A61B5/021 , A61B5/0404 , A61B5/00
Abstract: A portable device and a blood pressure measurement method are provided. The portable device includes: an ECG detection circuitry configured to detect an ECG signal of a user; a pulse detection circuitry configured to detect a pulse wave signal of the user; an identity determination circuitry configured to determine identity information about the user; and a blood pressure calculation circuitry connected to the ECG detection circuitry, the pulse detection circuitry and the identity determination circuitry, storing therein a plurality of blood pressure calculation models, and configured to select a blood pressure calculation model corresponding to the identity information about the user among the plurality of blood pressure calculation models in accordance with the identity information, and perform calculation to acquire a blood pressure signal of the user using the selected blood pressure calculation model in accordance with the ECG signal and the pulse wave signal.
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公开(公告)号:US20250138354A1
公开(公告)日:2025-05-01
申请号:US18694156
申请日:2021-11-29
Inventor: Xuefeng DING , Liang LI , Tianma LI , Qijun ZHANG , Dake WANG , Tao XI , Xiaoli LIU , Haohao LI
IPC: G02F1/1333 , G02F1/13357
Abstract: A display frame includes a front frame, a back panel, a middle frame in the front frame, and an elastic pad between the top surface of a side wall of the middle frame facing the front edge and the front edge. The front frame includes a frame structure and a front edge located at one end of the frame structure and extending towards the center of the frame structure. Opposite side walls of the frame structure have a first snap part. The back plate includes a bottom plate and a side plate located on the side edge of the bottom plate and extending towards one side of the bottom plate. The inner surface of the bottom plate is opposite to the inner surface of the front edge. The side plate has a second snap part for fitting with the first snap part.
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33.
公开(公告)号:US20240389236A1
公开(公告)日:2024-11-21
申请号:US18691902
申请日:2021-09-17
Inventor: Qijun ZHANG , Tianma LI , Liang LI , Bin JI , Xuelian JI , Guohui WANG , Xuefeng DING , Dake WANG
IPC: H05K1/14 , G02F1/1345 , H05K1/18 , H05K3/36
Abstract: A circuit board assembly includes a first circuit board and second circuit board(s). The first circuit board includes first bonding component(s), and a first bonding component includes a plurality of first conductive blocks sequentially arranged at intervals in a first direction. A second circuit board includes second bonding component(s), and a second bonding component includes a plurality of second conductive blocks sequentially arranged at intervals. The plurality of second conductive blocks in the second bonding component are bonded to the plurality of first conductive blocks in the first bonding component in one-to-one correspondence. An expansion ratio of the first circuit board is less than an expansion ratio of the second circuit board. Each second conductive block in the second bonding component overlaps with a first conductive block bonded thereto, and a change ratio of an overlapping state of the second bonding component in the first direction is less than 0.102%.
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公开(公告)号:US20240186670A1
公开(公告)日:2024-06-06
申请号:US18441927
申请日:2024-02-14
Inventor: Cuiwei TANG , Jie WU , Tienlun TING , Ying WANG , Haocheng JIA , Liang LI , Qiangqiang LI , Chuncheng CHE
Abstract: There is provided a phase shifter including a first substrate, a second substrate and a dielectric layer between the first substrate and the second substrate, the first substrate includes a first base and a first electrode layer on a side, of the first base, the second substrate includes a second base, a second electrode layer and a reference voltage leading-in end on a side of the second base, the reference voltage leading-in end is coupled to the second electrode layer, one of the first electrode layer and the second electrode layer includes a body structure and branch structures; an orthographic projection of an end of each branch structure away from the body structure on the first base is overlapped with an orthographic projection of the second electrode layer or the first electrode layer on the first base. An antenna is further provided.
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公开(公告)号:US20240186668A1
公开(公告)日:2024-06-06
申请号:US18443214
申请日:2024-02-15
Inventor: Haocheng JIA , Tienlun TING , Ying WANG , Jie WU , Liang LI , Cuiwei TANG , Qiangqiang LI
Abstract: A radio frequency device includes a feeding structure and a phase shifting structure. The feeding structure includes opposite first and second substrates, and a dielectric layer between the first and second substrates. The first substrate includes a coupling branch and a delay branch, which are respectively connected to two output terminals of a power divider, on an inner side of the first substrate. The second substrate includes a receiving electrode on its inner side, the receiving electrode and the coupling branch form a coupling structure, and their orthographic projections on the first substrate at least partially overlap each other. A length of an orthographic projection of both the coupling branch and the receiving electrode on the first substrate is different from a length of the delay branch. The phase shifting structure includes first and second transmission lines directly and electrically connected to the coupling branch and the delay branch, respectively.
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公开(公告)号:US20230152905A1
公开(公告)日:2023-05-18
申请号:US17641131
申请日:2021-02-26
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor: Xinyi CHENG , Zhimao WANG , Liang LI
Abstract: A key control device and a key control method are disclosed. The key control device includes: an encoder circuit including a first output terminal and a second output terminal and configured to output a first voltage signal and a second voltage signal through the first output terminal and the second output terminal respectively, under triggering of a rotational operation; a first interface extension circuit configured to receive the first voltage signal and the second voltage signal, and generate an interrupt signal and voltage state transition data in response to the first voltage signal or the second voltage signal output by the encoder circuit; and a main control circuit configured to determine a rotation direction of the rotation operation according to the interrupt signal and the voltage state transition data.
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公开(公告)号:US20220102873A1
公开(公告)日:2022-03-31
申请号:US17332785
申请日:2021-05-27
Inventor: Ying WANG , Tienlun TING , Jie WU , Haocheng JIA , Liang LI , Cuiwei TANG , Qiangqiang LI , Wei ZHANG , Chuncheng CHE , Hao LIU
Abstract: An antenna and a method for manufacturing the same are provided. The antenna includes a first substrate, a second substrate opposite to the first substrate, a plurality of radiation units on a side of the first substrate distal to the second substrate, and a waveguide power division structure between the first substrate and the second substrate. The waveguide power division structure has a waveguide cavity, includes an input opening and a plurality of output openings, and divides a signal input through the input opening into a plurality of sub-signals. The plurality of sub-signals are output from the plurality of output openings, respectively, and each of the plurality of output openings outputs one of the plurality of sub-signals to at least one of the plurality of radiation units.
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公开(公告)号:US20220077554A1
公开(公告)日:2022-03-10
申请号:US17332539
申请日:2021-05-27
Inventor: Cuiwei TANG , Tienlun TING , Ying WANG , Jie WU , Haocheng JIA , Liang LI , Qiangqiang LI , Wei ZHANG , Meng WEI , Chuncheng CHE
Abstract: There is provided a substrate integrated waveguide filter having a central region and a peripheral region surrounding the central region, and including: a first substrate; a second substrate opposite to the first substrate; a plurality of conductive support pillars between the first substrate and the second substrate, within the peripheral region, and surrounding the central region, wherein a distance between at least one pair of adjacent two of the plurality of conductive support pillars is less than a wavelength of an electromagnetic wave to be transmitted by the substrate integrated waveguide filter; and a dielectric layer between the first substrate and the second substrate, wherein a permittivity of the dielectric layer is configured to be changed as a strength of an electric field formed between the first substrate and the second substrate is changed to adjust a frequency of the substrate integrated waveguide
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公开(公告)号:US20210167497A1
公开(公告)日:2021-06-03
申请号:US16973636
申请日:2019-09-26
Inventor: Jie WU , Tienlun TING , Xiangzhong KONG , Xue CAO , Ying WANG , Liang LI , Haocheng JIA , Peizhi CAI , Chuncheng CHE
Abstract: A liquid crystal antenna unit and a liquid crystal phased array antenna are provided. The liquid crystal antenna unit includes: a first substrate, a second substrate opposite to the first substrate, a liquid crystal layer between the first substrate and the second substrate, a transmission line on a first surface and extending in a first direction along the first surface, a first antenna oscillator on the first surface and arranged as an elongated dipole extending in a second direction along the first surface, a second antenna oscillator on a surface of the second substrate distal to the first substrate and at a position corresponding to the first antenna oscillator, and a ground electrode on a surface of the first substrate distal to the second substrate.
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40.
公开(公告)号:US20200251817A1
公开(公告)日:2020-08-06
申请号:US16639312
申请日:2019-08-09
Inventor: Ying WANG , Tienlun TING , Jie WU , Xue CAO , Peizhi CAI , Chuncheng CHE , Hao LIU , Liang LI , Haocheng JIA
Abstract: A waveguide feed substrate and a manufacturing method thereof, and an antenna system and a manufacturing method thereof are provided. The waveguide feed substrate comprises: a first base substrate provided with a receiving groove; and a waveguide feeder embedded in the receiving groove and provided with a first side disposed at a bottom of the receiving groove, a second side disposed opposite to the first side, a third side disposed on a first side wall of the receiving cell, and a fourth side disposed on a second side wall of the receiving cell; wherein an opening is disposed in the second side, and an upper surface of the second side is flush with an upper surface of the first base substrate.
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