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1.发明授权公开(公告)号：US11599199B2
公开(公告)日：2023-03-07
申请号：US16868588
申请日：2020-05-07
Applicant: BOE Technology Group Co., Ltd.
Inventor： Cheng Liu , Sijia Guo , Guanchu Guo
IPC: G06F3/01 , G05B15/02 , G01B11/14 , G01S7/4914
Abstract: A gesture recognition apparatus, a gesture recognition method, a computer device and a storage medium are disclosed. The gesture recognition apparatus includes a controller, a first distance sensor and a second distance sensor, wherein a first measurement area of the first distance sensor partially overlaps a second measurement area of the second distance sensor; and the controller is configured to recognize a gesture to be measured according to a first trajectory and a second trajectory as well as a position relationship between the first distance sensor and the second distance sensor.
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公开(公告)号：US11340074B2
公开(公告)日：2022-05-24
申请号：US16333179
申请日：2018-09-25
Applicant: BOE Technology Group Co., Ltd.
Inventor： Cheng Liu , Changlin Leng
Abstract: A positioning method includes determining a positioning coordinate (x101,y101,z101) of a positioning device in a scene coordinate system o-xyz based on one or a combination of (1) an estimated coordinate (x1,y1,z1) of the positioning device in the scene coordinate system o-xyz; and (2) positions of image objects of one or more reference illumination sources of a plurality of illumination sources in a scene image, fixed coordinate positions (x0, y0, z0) of the one or more reference illumination sources of the plurality of illumination sources in the scene coordinate system o-xyz, and an included angle α between an x-axis of the scene coordinate system o-xyz and an x′-axis of a positioning device coordinate system o′-x′y′z′.
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公开(公告)号：US12254351B2
公开(公告)日：2025-03-18
申请号：US17762344
申请日：2021-05-31
Applicant: BOE Technology Group Co., Ltd.
Inventor： Cheng Liu , Hongtao Guan
IPC: G06F9/48
Abstract: A computer-implemented method in a system having one or more processors for executing periodic tasks is provided. The computer-implemented method includes classifying the periodic tasks into one of at least two groups including a first group and a second group. Cycle times of first periodic tasks in the first group respectively are one or more integer divisors of a maximum cycle time.
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公开(公告)号：US12045600B2
公开(公告)日：2024-07-23
申请号：US17488155
申请日：2021-09-28
Applicant: BOE Technology Group Co., Ltd.
Inventor： Cheng Liu , Hongtao Guan
CPC classification number: G06F8/65 , H04L63/0428 , H04L63/0869 , H04L63/0876
Abstract: The present disclosure provides a method for upgrading an Internet of Things (IoT) terminal device and an electronic device thereof. The method includes: determining a surveillance device and performing two-way verification with the surveillance device; sending, in response to successful two-way verification, a first upgrade instruction to at least one of the surveillance device and the terminal device, wherein a server communicates with the terminal device via the surveillance device, and the first upgrade instruction includes an encrypted upgrade file, encrypted server identification information, and an encrypted first check value.
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公开(公告)号：US11536816B2
公开(公告)日：2022-12-27
申请号：US16475110
申请日：2019-01-07
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cheng Liu , Changlin Leng
Abstract: A system configured for vehicle communication includes a first smart apparatus associated with a first vehicle having a first horn and configured to acquire a first target information and a transmission direction information; a first horn control portion embedded in the first vehicle and configured to control the first horn in the first vehicle to send a first sound wave signal modulated by the first target information to a second vehicle based on the transmission direction information; and a second smart apparatus associated with the second vehicle and configured to receive the first sound wave signal and demodulate the first sound wave signal to obtain the first target information.
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Patent Agency Ranking
公开(公告)号：US11497408B2
公开(公告)日：2022-11-15
申请号：US16485763
申请日：2019-01-15
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cheng Liu
Abstract: The present disclosure relates to an image information generation method, a pulse wave measurement system and an electronic device. The method comprises: with respect to a target part, acquiring a first infrared image sequence, each infrared image in the first infrared image sequence including at least a vein pattern; by registering the vein pattern in each infrared image in the first infrared image sequence, correcting each infrared image in the first infrared image sequence, thereby obtaining the corrected first infrared image sequence; removing at least the vein regions from respective infrared images in the corrected first infrared image sequence, to obtain image information of remaining regions as image information for pulse wave measurement.
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公开(公告)号：US20220280057A1
公开(公告)日：2022-09-08
申请号：US17751473
申请日：2022-05-23
Applicant: BOE Technology Group Co., Ltd.
Inventor： Cheng Liu
IPC: A61B5/024 , G06T7/90 , A61B5/00 , A61B5/1455 , G06T7/00 , G06V10/143
Abstract: A method for determining one or more physiological parameters of a subject. The method includes providing a plurality of images of a vessel of the subject in response to illumination of the vessel to light of different wavelengths; converting each of the plurality of images of the vessel into at least two grayscale images, thereby generating a plurality of first grayscale images of a first wavelength range and a plurality of second grayscale images of a second wavelength range, the first wavelength range and the second wavelength range being different from each other; and determining the one or more physiological parameters of the subject based on at least the plurality of first grayscale images and the plurality of second grayscale images.
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公开(公告)号：US11253090B2
公开(公告)日：2022-02-22
申请号：US15988634
申请日：2018-05-24
Applicant: BOE TECHNOLOGY GROUP CO., LTD.
Inventor： Cheng Liu
Abstract: A spill-proof cup includes a cup body, a cup lid disposed at the top of the cup body; a lid control device connected to the cup lid for opening or closing the cup lid; a top acceleration switch set disposed on the top of the cup body, and the top acceleration switch set including a first acceleration switch and a second acceleration switch; a bottom acceleration switch set disposed at the bottom of the cup body, and the bottom acceleration switch set including a first acceleration switch and a second acceleration switch; a controller connected to the first acceleration switches, the second acceleration switches and the lid control device, and configured to receive signals from the first and second acceleration switches, and control the lid control device according to the signal. A triggering threshold of the second acceleration switch is greater than that of the first acceleration switch.
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公开(公告)号：US20210364296A1
公开(公告)日：2021-11-25
申请号：US16333179
申请日：2018-09-25
Applicant: BOE Technology Group Co., Ltd.
Inventor： Cheng Liu , Changlin Leng
Abstract: A positioning method includes determining a positioning coordinate (x101,y101,z101) of a positioning device in a scene coordinate system o-xyz based on one or a combination of (1) an estimated coordinate (x1,y1,z1) of the positioning device in the scene coordinate system o-xyz; and (2) positions of image objects of one or more reference illumination sources of a plurality of illumination sources in a scene image, fixed coordinate positions (x0, y0, z0) of the one or more reference illumination sources of the plurality of illumination sources in the scene coordinate system o-xyz, and an included angle α between an x-axis of the scene coordinate system o-xyz and an x′-axis of a positioning device coordinate system o′-x′y′z′.
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公开(公告)号：US11126349B2
公开(公告)日：2021-09-21
申请号：US16876427
申请日：2020-05-18
Applicant: BOE Technology Group Co., Ltd.
Inventor： Cheng Liu , Guanchu Guo , Sijia Guo
IPC: G06F3/0488 , G06F3/041 , G06F3/042
Abstract: Disclosed are a display device and a control method. The display device includes: a transparent substrate; a transflective film disposed on a first side of the transparent substrate; a display screen disposed on a second side of the transparent substrate, the first side being opposite to the second side; and an infrared gesture recognition circuit disposed on the second side of the transparent substrate, where an orthographic projection of the infrared gesture recognition circuit on the transparent substrate and an orthographic projection of the display screen on the transparent substrate do not overlap each other; and the infrared gesture recognition circuit is configured to recognize a gesture at a side of the transflective film and control interface display of the display screen according to the determined operation gesture.
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