Patents by Inventor Changlin Leng
Changlin Leng has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20240312379Abstract: Provided is a display drive system, including: a plurality of drive units and a control unit. The plurality of drive units are connected to a lamp panel, and at least one of the plurality of drive units is configured to drive, during a display stage, the lamp panel to emit light. The control unit is connected to the plurality of drive units, and is configured to detect an operating state of the drive units driving the lamp panel to emit light. In response to detecting that a first drive unit is abnormal, the lamp panel is driven, by a second drive unit, to emit light, wherein the first drive unit is at least one of the drive units driving the lamp panel to emit light, and the second drive unit is at least one of the plurality of drive units other than the first drive unit.Type: ApplicationFiled: April 29, 2022Publication date: September 19, 2024Inventors: Chao YU, Enhui GUAN, Zhongkui WAN, Xinyi CHENG, Changlin LENG, Xingqun JIANG, Youxiang XIA
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Patent number: 11536816Abstract: 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.Type: GrantFiled: January 7, 2019Date of Patent: December 27, 2022Assignee: BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.Inventors: Cheng Liu, Changlin Leng
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Patent number: 11340074Abstract: 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 ? 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?.Type: GrantFiled: September 25, 2018Date of Patent: May 24, 2022Assignee: BOE Technology Group Co., Ltd.Inventors: Cheng Liu, Changlin Leng
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Patent number: 11340252Abstract: An acceleration measuring device includes a housing with an inner cavity, a reference substance disposed in the inner cavity, an elastic supporting member connected between the bottom portion of the inner cavity and the reference substance, a light source secured to a side of the reference substance, a lens secured to the reference substance that is positioned at a side of the light source away from the reference substance, an image sensor at a top portion of the inner cavity and located at a side of the lens away from the reference substance for receiving light emitted by the light source and scattered by the lens, and a processor configured to calculate displacement information of the reference substance in a vertical direction according to light received by the image sensor, and calculate an acceleration of the reference substance according to the displacement information.Type: GrantFiled: May 31, 2019Date of Patent: May 24, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hong Wang, Changlin Leng
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Publication number: 20210405170Abstract: 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.Type: ApplicationFiled: January 7, 2019Publication date: December 30, 2021Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cheng LIU, Changlin LENG
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Publication number: 20210364296Abstract: 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 ? 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?.Type: ApplicationFiled: September 25, 2018Publication date: November 25, 2021Applicant: BOE Technology Group Co., Ltd.Inventors: Cheng Liu, Changlin Leng
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Publication number: 20210331036Abstract: A fitness mat includes a main body, a control device and a display screen. The display screen is provided at a surface of the main body, and the display screen is connected with the control device. The display screen provided at the main body of the fitness mat provided by the present disclosure can replace electronic devices such as a mobile phone and a tablet computer, etc. When a user uses the fitness mat to exercise, a fitness video that the user needs is displayed by the display screen. The versatility of the fitness mat is realized, so that the usage of the fitness is convenient for the user.Type: ApplicationFiled: April 8, 2019Publication date: October 28, 2021Inventors: Shuping GAI, Changlin LENG, Xiao ZHANG
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Publication number: 20210325423Abstract: An acceleration measuring device includes a housing with an inner cavity, a reference substance disposed in the inner cavity, an elastic supporting member connected between the bottom portion of the inner cavity and the reference substance, a light source secured to a side of the reference substance, a lens secured to the reference substance that is positioned at a side of the light source away from the reference substance, an image sensor at a top portion of the inner cavity and located at a side of the lens away from the reference substance for receiving light emitted by the light source and scattered by the lens, and a processor configured to calculate displacement information of the reference substance in a vertical direction according to light received by the image sensor, and calculate an acceleration of the reference substance according to the displacement information.Type: ApplicationFiled: May 31, 2019Publication date: October 21, 2021Inventors: Hong WANG, Changlin LENG
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Publication number: 20210162921Abstract: A display assembly, a displaying method thereof and a vehicle having the same are provided. The display assembly includes a vehicle display screen (1) and an image processing apparatus (2). The image processing apparatus (2) is configured to synthesize landscape images of a same route captured at different environmental visibilities, so as to enable the vehicle display screen (1) to display an actual landscape with a higher environmental visibility than a current environment visibility when the vehicle runs on the same route. With the image processing apparatus (2), the vehicle display screen (1) of the display assembly can display the actual landscape with a high environmental visibility at the current low environmental visibility, such that a driver can more clearly understand the actual road conditions and traffic situations along the same route at the current low environmental visibility, thereby ensuring the vehicle to run safely at a low environmental visibility and improving the driving experience.Type: ApplicationFiled: November 23, 2017Publication date: June 3, 2021Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Changlin Leng
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Patent number: 10953804Abstract: The present disclosure provides a vehicle rear view device comprising: a shell; a rear view mirror forming an accommodation space between the shell and the rear view mirror; and a wireless communication device comprising a communication circuit board and a communication antenna. The communication circuit board is located in the accommodation space, the communication antenna is disposed in m antenna placement area of the shell, the communication antenna is disposed separately from the communication circuit board, md the communication antenna and the communication circuit board are electrically connected.Type: GrantFiled: September 28, 2018Date of Patent: March 23, 2021Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinyi Cheng, Changlin Leng
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Publication number: 20200397319Abstract: A wearable apparatus and a method of adjusting the same, wherein the wearable apparatus comprises: a determining circuit configured to determine whether the wearable apparatus has been switched to a preset operating mode; an adjusting circuit configured to adjust the wearable apparatus to satisfy an operating requirement of a current operating mode when the determining circuit determines that the wearable apparatus has been switched to the preset operating mode.Type: ApplicationFiled: March 25, 2019Publication date: December 24, 2020Inventors: Zifeng WANG, Yan REN, Lei CAO, Kai ZHAO, Junmin SUN, Changlin LENG
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Patent number: 10734774Abstract: The present application provides a wiring harness device a display device. A wiring harness device applied to a wire connected between two interfaces comprises: a wiring harness structure having a first wire inlet and a first wire outlet, the wire entering the wiring harness structure through the first wire inlet and exiting the wiring harness structure through the first outlet, the wiring harness structure configured to store and provide the wire, the wire being controlled to be in a relaxed state upon provision through stretching the wire.Type: GrantFiled: November 14, 2018Date of Patent: August 4, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zifeng Wang, Changlin Leng
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Patent number: 10719751Abstract: The present disclosure provides an anti-removal monitoring circuitry, applied to an electronic tag. The circuitry includes a first input terminal, a second input terminal and an output terminal. The circuitry further includes: a shutdown circuit, configured to control the electronic tag to be in a shutdown state in response to connection between the first input terminal and the second input terminal; and a starting-up circuit, configured to control the output terminal to output a pulse voltage signal in response to disconnection between the first input terminal and the second input terminal, in such a manner that the electronic tag generates an alarm signal in response to the pulse voltage signal.Type: GrantFiled: January 15, 2019Date of Patent: July 21, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tao Li, Changlin Leng, Xiao Zhang, Xinxin Mu
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Patent number: 10659586Abstract: The present application provides an intelligent rearview mirror. The intelligent rearview mirror comprises a mirror body; a main electronic device disposed on the mirror body, and comprising a main processor and a mobile communication module; and an in-vehicle terminal device, separated from the mirror body and the main electronic device, and configured to transmit a control signal to the main electronic device. The main processor is configured to control, according to the control signal, the mobile communication module to enter an intercom transmission mode or an intercom reception mode for intercom communication with a cloud serve.Type: GrantFiled: September 6, 2018Date of Patent: May 19, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xinyi Cheng, Changlin Leng
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Patent number: 10604081Abstract: A vehicle auxiliary display device includes: a first camera configured to acquire a first image of a position of a user; a second camera configured to acquire a second image within a first range on an outside of a pillar of a vehicle; and a processor configured to determine a shielding area of the pillar shielding the user's line of sight based on the first image, extract an image of the shielding area from the second image based on the second image, and send the image of the shielding area to the user.Type: GrantFiled: June 21, 2017Date of Patent: March 31, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zifeng Wang, Nannan Hu, Yan Ren, Lei Cao, She Lin, Guodong Huang, Changlin Leng
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Publication number: 20200031282Abstract: The present disclosure provides a vehicle driving shading device, a vehicle and a vehicle driving shading method. The vehicle driving shading method includes collecting light intensity of a driving environment; controlling shading rate of a shading area in a shading screen according to the light intensity of the driving environment.Type: ApplicationFiled: June 26, 2019Publication date: January 30, 2020Inventors: Zifeng WANG, Yan REN, Lei CAO, Junmin SUN, Changlin LENG
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Patent number: 10501921Abstract: The present disclosure provides a toilet and a flushing control method thereof. The toilet includes a toilet bowl, a toilet lid, a water tank, at least one image collector, at least one sprayer, and a controller. The toilet lid is arranged on the toilet bowl, the controller is arranged at any one of the toilet bowl, the toilet lid and the water tank, the image collector is arranged at a surface of the toilet lid facing the toilet bowl and communicatively connected to the controller, and the sprayer is movably arranged at the surface of the toilet lid facing the toilet bowl, connected to the water tank and communicatively connected to the controller.Type: GrantFiled: November 14, 2017Date of Patent: December 10, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Changlin Leng
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Publication number: 20190370622Abstract: The present disclosure provides an anti-removal monitoring circuitry, applied to an electronic tag. The circuitry includes a first input terminal, a second input terminal and an output terminal. The circuitry further includes: a shutdown circuit, configured to control the electronic tag to be in a shutdown state in response to connection between the first input terminal and the second input terminal; and a starting-up circuit, configured to control the output terminal to output a pulse voltage signal in response to disconnection between the first input terminal and the second input terminal, in such a manner that the electronic tag generates an alarm signal in response to the pulse voltage signal.Type: ApplicationFiled: January 15, 2019Publication date: December 5, 2019Applicant: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Tao LI, Changlin LENG, Xiao ZHANG, Xinxin MU
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Patent number: 10490953Abstract: The embodiments of the present disclosure relate to a bridging piece, a shielding cover and a display device. The bridging piece includes a connector and an insulative insert. The connector includes a first surface and a second surface which are opposite to each other. A conductive area is configured to electrically connect the first surface with the second surface, and the insulative insert is on the second surface of the connector.Type: GrantFiled: March 20, 2018Date of Patent: November 26, 2019Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zifeng Wang, Lei Cao, Yan Ren, Changlin Leng
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Publication number: 20190326717Abstract: The present application provides a wiring harness device a display device. A wiring harness device applied to a wire connected between two interfaces comprises: a wiring harness structure having a first wire inlet and a first wire outlet, the wire entering the wiring harness structure through the first wire inlet and exiting the wiring harness structure through the first outlet, the wiring harness structure configured to store and provide the wire, the wire being controlled to be in a relaxed state upon provision through stretching the wire.Type: ApplicationFiled: November 14, 2018Publication date: October 24, 2019Inventors: Zifeng WANG, Changlin LENG