Patents by Inventor Zhongjun Wang
Zhongjun Wang 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: 20240132848Abstract: The present disclosure provides a method for induced differentiation of an extended pluripotent stem cell (EPSC) into a cardiomyocyte and use thereof, and belongs to the technical field of biomedicine. A reagent used for the induced differentiation is a culture medium having definite chemical components, which can obtain cardiomyocytes having high purity and stable between-batch differentiation efficiency. Compared with cardiomyocytes differentiated from existing pluripotent stem cells, the cardiomyocyte obtained has strong early proliferation ability, and more cell number can be obtained; after extended culture and construction into engineering heart microtissue, maturity is higher, the structure is more regularly arranged, and functional contractility is enhanced. Therefore, the present disclosure is a suitable for mechanism research of heart diseases, drug screening, and cell therapy, and thus has excellent practical application value.Type: ApplicationFiled: April 28, 2022Publication date: April 25, 2024Applicant: HUBEI UNIVERSITYInventors: Donghui Zhang, Li LI, Lin CAI, Zhongjun WAN, Ruxiang WANG
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Publication number: 20240053275Abstract: A sensing device with a sealing structure for measuring fluid characteristics by a photoelectric method is disclosed. The sensing device includes an electrode head having an outer side which contacts a fluid to be measured and one or more windows arranged in respective window openings which extend between an inner and an outer face of a wall of the electrode head. At least two sealing structures seal the one or more windows and the respective window openings. A first of the at least two sealing structures is bonded, welded, or provides an interference fit. The sensing device can be used to seal the product in high temperature, high pressure, and corrosive environment, so that the product has high air tightness and is stable and reliable for a long time. In addition, the sealing structure of the product is easy to clean.Type: ApplicationFiled: December 17, 2021Publication date: February 15, 2024Inventors: Zhongjun Wang, Changlin Wang, Min Xu, Hui Zhang, Rudolf Tamas Gati
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Patent number: 11867261Abstract: The invention provides a transmission mechanism for an electric drill and the electric drill including the transmission mechanism. The transmission mechanism includes a primary planet carrier, a gear assembly, a secondary planet carrier, and a secondary gear assembly. The gear assembly comprises a primary gear ring and a primary gear set located in the primary gear ring. The primary gear set has two primary planetary gear sets mounted on the primary planetary gear shaft. The secondary planet carrier is provided with secondary planetary gear shafts and an output shaft. The secondary gear assembly includes a secondary gear ring and a secondary planetary gear set. The secondary planetary gear set is pivotably mounted on the secondary planetary gear shafts, an outer side of the secondary planetary gear set engages with the secondary gear ring, and an inner side of thereof engages with the sun gear.Type: GrantFiled: December 17, 2020Date of Patent: January 9, 2024Assignee: Globe (Jiangsu) Co., LtdInventors: Fei Huang, Zhongjun Wang
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Patent number: 11624753Abstract: A rotational speed sensor, a manufacturing method thereof, a driving method thereof, and an electronic device are provided. The rotational speed sensor includes liquid crystal cell, rotational speed sensing module and rotational speed determining module; rotational speed sensing module is configured to convert rotational speed into voltage signal and apply voltage signal to liquid crystal cell; and at least a part of optical signal propagation module of rotational speed determining module is located in liquid crystal cell.Type: GrantFiled: November 1, 2019Date of Patent: April 11, 2023Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yu Liu, Liguang Deng, Xiaoliang Fu, Shuqian Dou, Zhiqiang Fan, Ting Tian, Yawen Zhang, Dayong Zhou, Dong Zhang, Youcai Yang, Zhongjun Wang, Yongjie Han
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Patent number: 11619101Abstract: The disclosure provides an earth auger comprising a supporting assembly, a drill pipe assembly including a drill pipe, a driving assembly arranged on the supporting assembly to drive the drill pipe assembly to work and a brake assembly including a trigger component that brakes the driving assembly and a brake lever connected through a first pivot and matched with the trigger component. The projection part of the brake lever on the plane perpendicular to the axis of the drill pipe is located outside the projection of the supporting assembly on the plane perpendicular to the axis of the drill pipe. The earth auger provided by the disclosure can effectively prevent accidents and improve the safety performance of the earth auger.Type: GrantFiled: October 12, 2021Date of Patent: April 4, 2023Assignee: Globe (Jiangsu) Co., Ltd.Inventors: Fei Huang, Doushi Wang, Zhikun Wang, Jing Li, Zhongjun Wang
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Publication number: 20220120141Abstract: The disclosure provides an earth auger comprising a supporting assembly, a drill pipe assembly including a drill pipe, a driving assembly arranged on the supporting assembly to drive the drill pipe assembly to work and a brake assembly including a trigger component that brakes the driving assembly and a brake lever connected through a first pivot and matched with the trigger component. The projection part of the brake lever on the plane perpendicular to the axis of the drill pipe is located outside the projection of the supporting assembly on the plane perpendicular to the axis of the drill pipe. The earth auger provided by the disclosure can effectively prevent accidents and improve the safety performance of the earth auger.Type: ApplicationFiled: October 12, 2021Publication date: April 21, 2022Applicant: Globe (Jiangsu) Co., Ltd.Inventors: Fei Huang, Doushi Wang, Zhikun Wang, Jing Li, Zhongjun Wang
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Patent number: 11112423Abstract: The disclosure discloses an acceleration sensor, where the acceleration sensor comprises: a housing, and a mass block in the housing and connected with the housing via at least two hanging beams, where an auxiliary buffer component is further provided between the mass block and a bottom surface of the housing, and an elastic coefficient of the auxiliary buffer component decreases as force applied thereon increases.Type: GrantFiled: April 23, 2019Date of Patent: September 7, 2021Assignees: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Yongjie Han, Shuqian Dou, Xiaoliang Fu, Ting Tian, Dayong Zhou, Zhiqiang Fan, Yawen Zhang, Youcai Yang, Dong Zhang, Zhongjun Wang, Yu Liu
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Publication number: 20210190179Abstract: The invention provides a transmission mechanism for an electric drill and the electric drill including the transmission mechanism. The transmission mechanism includes a primary planet carrier, a gear assembly, a secondary planet carrier, and a secondary gear assembly. The gear assembly comprises a primary gear ring and a primary gear set located in the primary gear ring. The primary gear set has two primary planetary gear sets mounted on the primary planetary gear shaft. The secondary planet carrier is provided with secondary planetary gear shafts and an output shaft. The secondary gear assembly includes a secondary gear ring and a secondary planetary gear set. The secondary planetary gear set is pivotably mounted on the secondary planetary gear shafts, an outer side of the secondary planetary gear set engages with the secondary gear ring, and an inner side of thereof engages with the sun gear.Type: ApplicationFiled: December 17, 2020Publication date: June 24, 2021Inventors: Fei Huang, Zhongjun Wang
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Patent number: 10964855Abstract: A method for manufacturing a micro light-emitting diode array substrate is disclosed. The method includes: providing a drive substrate comprising a plurality of sub-pixel regions, the plurality of sub-pixel regions being configured for bearing micro light-emitting diodes of different colors, and epitaxial layers of the micro light-emitting diodes of different colors having different thicknesses; providing a base substrate, forming a plurality of micro light-emitting diodes on the base substrate, and transferring micro light-emitting diodes of same color on the base substrate as a whole onto the drive substrate; repeating the transferring process in a sequence that the thicknesses of the epitaxial layers of the micro light-emitting diodes gradually increase, until each sub-pixel region in pixel units is provided with one of the micro light-emitting diodes having same color as the each sub-pixel region.Type: GrantFiled: August 28, 2019Date of Patent: March 30, 2021Assignees: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ting Tian, Shuqian Dou, Xiaoliang Fu, Liguang Deng, Dayong Zhou, Zhiqiang Fan, Yongjie Han, Yawen Zhang, Zhongjun Wang, Dong Zhang, Yu Liu, Zheran Li, Hyungkyu Kim
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Publication number: 20200313046Abstract: A method for manufacturing a micro light-emitting diode array substrate is disclosed. The method includes: providing a drive substrate comprising a plurality of sub-pixel regions, the plurality of sub-pixel regions being configured for bearing micro light-emitting diodes of different colors, and epitaxial layers of the micro light-emitting diodes of different colors having different thicknesses; providing a base substrate, forming a plurality of micro light-emitting diodes on the base substrate, and transferring micro light-emitting diodes of same color on the base substrate as a whole onto the drive substrate; repeating the transferring process in a sequence that the thicknesses of the epitaxial layers of the micro light-emitting diodes gradually increase, until each sub-pixel region in pixel units is provided with one of the micro light-emitting diodes having same color as the each sub-pixel region.Type: ApplicationFiled: August 28, 2019Publication date: October 1, 2020Inventors: Ting TIAN, Shuqian DOU, Xiaoliang FU, Liguang DENG, Dayong ZHOU, Zhiqiang FAN, Yongjie HAN, Yawen ZHANG, Zhongjun WANG, Dong ZHANG, Yu LIU, Zheran LI, Hyungkyu KIM
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Patent number: 10789446Abstract: A device for fingerprint recognition, a manufacturing method therefor, and an electronic apparatus are provided. The method includes: forming fingerprint recognition units in multiple independent preset regions of a substrate, where the fingerprint recognition units each include a fingerprint recognition component and a light emitting component; partitioning the substrate along boundaries of the preset regions to separate the fingerprint recognition units from each other; and coupling the fingerprint recognition units after partition with corresponding control circuits, to make the fingerprint recognition component and the light emitting component of each fingerprint recognition unit be electrically connected to a corresponding control circuit coupled with the each fingerprint recognition unit. The fingerprint recognition unit and the control circuit coupled with each other serve together as the device for fingerprint recognition. The method is for manufacturing the device for fingerprint recognition.Type: GrantFiled: February 21, 2019Date of Patent: September 29, 2020Assignees: BEIJING BOE TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ting Tian, Ming Zhai, Shuqian Dou, Xiaoliang Fu, Dayong Zhou, Zhiqiang Fan, Liguang Deng, Youcai Yang, Zhongjun Wang, Dong Zhang, Yongjie Han, Jinge Zhao, Jia Meng, Yanjun Liu, Yu Liu
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Publication number: 20200141963Abstract: A rotational speed sensor, a manufacturing method thereof, a driving method thereof, and an electronic device are provided. The rotational speed sensor includes liquid crystal cell, rotational speed sensing module and rotational speed determining module; rotational speed sensing module is configured to convert rotational speed into voltage signal and apply voltage signal to liquid crystal cell; and at least a part of optical signal propagation module of rotational speed determining module is located in liquid crystal cell.Type: ApplicationFiled: November 1, 2019Publication date: May 7, 2020Applicants: BEIJING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yu LIU, Liguang DENG, Xiaoliang FU, Shuqian DOU, Zhiqiang FAN, Ting TIAN, Yawen ZHANG, Dayong ZHOU, Dong ZHANG, Youcai YANG, Zhongjun WANG, Yongjie HAN
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Publication number: 20190391175Abstract: The disclosure discloses an acceleration sensor, where the acceleration sensor comprises: a housing, and a mass block in the housing and connected with the housing via at least two hanging beams, where an auxiliary buffer component is further provided between the mass block and a bottom surface of the housing, and an elastic coefficient of the auxiliary buffer component decreases as force applied thereon increases.Type: ApplicationFiled: April 23, 2019Publication date: December 26, 2019Inventors: Yongjie HAN, Shuqian DOU, Xiaoliang FU, Ting TIAN, Dayong ZHOU, Zhiqiang FAN, Yawen ZHANG, Youcai YANG, Dong ZHANG, Zhongjun WANG, Yu LIU
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Publication number: 20190370520Abstract: A device for fingerprint recognition, a manufacturing method therefor, and an electronic apparatus are provided. The method includes: forming fingerprint recognition units in multiple independent preset regions of a substrate, where the fingerprint recognition units each include a fingerprint recognition component and a light emitting component; partitioning the substrate along boundaries of the preset regions to separate the fingerprint recognition units from each other; and coupling the fingerprint recognition units after partition with corresponding control circuits, to make the fingerprint recognition component and the light emitting component of each fingerprint recognition unit be electrically connected to a corresponding control circuit coupled with the each fingerprint recognition unit. The fingerprint recognition unit and the control circuit coupled with each other serve together as the device for fingerprint recognition. The method is for manufacturing the device for fingerprint recognition.Type: ApplicationFiled: February 21, 2019Publication date: December 5, 2019Applicants: Beijing BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Ting Tian, Ming Zhai, Shuqian Dou, Xiaoliang Fu, Dayong Zhou, Zhiqiang Fan, Liguang Deng, Youcai Yang, Zhongjun Wang, Dong Zhang, Yongjie Han, Jinge Zhao, Jia Meng, Yanjun Liu, Yu Liu
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Patent number: 9543996Abstract: Provided are a method and a system for initializing an RF module through non-volatile control, including: storing, by a non-volatile storage array, configuration information for initializing the RF module, and backing up the configuration information when receiving a power-down instruction (S1); and reading, by an RF module initialization accelerator, the configuration information from the non-volatile storage array when receiving a power-up instruction, and transmitting the read configuration information to the RF module, thereby initializing the RF module (S2). With the technical solution given in the present invention, the initialization of an RF module becomes much faster, and the power consumption of a wireless communication terminal can be reduced. In addition, the initialization of various RF modules can be supported, and meanwhile the hardware resources can be saved, thereby enhancing the extensibility of the system.Type: GrantFiled: August 19, 2015Date of Patent: January 10, 2017Assignees: Rohm Co., Ltd., Tsinghua UniversityInventors: Yiqun Wang, Yongpan Liu, Huazhong Yang, Xiao Sheng, Zewei Li, Tongda Wu, Zhongjun Wang, Takashi Naiki, Koji Taniuchi
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Publication number: 20160056847Abstract: Provided are a method and a system for initializing an RF module through non-volatile control, including: storing, by a non-volatile storage array, configuration information for initializing the RF module, and backing up the configuration information when receiving a power-down instruction (S1); and reading, by an RF module initialization accelerator, the configuration information from the non-volatile storage array when receiving a power-up instruction, and transmitting the read configuration information to the RF module, thereby initializing the RF module (S2). With the technical solution given in the present invention, the initialization of an RF module becomes much faster, and the power consumption of a wireless communication terminal can be reduced. In addition, the initialization of various RF modules can be supported, and meanwhile the hardware resources can be saved, thereby enhancing the extensibility of the system.Type: ApplicationFiled: August 19, 2015Publication date: February 25, 2016Inventors: Yiqun Wang, Yongpan Liu, Huazhong Yang, Xiao Sheng, Zewei Li, Tongda Wu, Zhongjun Wang, Takashi Naiki, Koji Taniuchi
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Patent number: 8416676Abstract: An apparatus for sampling clock recovery (SCO) and methods for estimating and compensating SCO are provided. The apparatus comprises a symbol timing adjustment module for shifting forward or backward symbol timing of the transmitted OFDM symbols; a discrete Fourier transform (DFT) processor for performing DFT to an output from the symbol timing adjustment module; a channel estimator for undertaking a channel frequency response estimation based on a channel estimation sequence; a SCO phase rotator for receiving and performing phase shift on the transmitted OFDM symbols of a frame header and a frame payload; an SCO estimation stage for undertaking an SCO estimation based on a pilot-subcarrier-related output of the SCO phase rotator and the CFR estimation; and an SCO compensation distributor for dividing the SCO estimation into integer and fractional portions and then distributing them into the symbol timing adjustment module and the SCO phase rotator, respectively.Type: GrantFiled: November 23, 2010Date of Patent: April 9, 2013Assignee: Wipro Techno Centre (Singapore) Pte. Ltd.Inventors: Zhongjun Wang, Masayuki Tomisawa
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Patent number: 8098749Abstract: A multi-stage CFR estimation method for multi-band OFDM-based UWB systems is provided. The method includes obtaining a CFR estimation ?r(1) by performing LS estimation using a channel estimation sequence from a received OFDM-UWB frame; obtaining a CFR estimation ?r(2) by applying a frequency-domain smoothing to the CFR estimation ?r(1) with a first smoothing factor; obtaining a frame header which contains OFDM symbols transmitted with frequency-domain spreading on each OFDM symbol, and detecting signal signs based on a combination of two spread signals of the same OFDM symbol in the frame header with a decision directed mode and the CFR estimation ?r(2) assisted; obtaining a CFR estimation ?r(3) by using the signs and a finite-alphabet feature of the detected transmitted signals; obtaining a CFR estimation ?r(4) by applying a frequency-domain smoothing to the CFR estimation ?r(3) with a second smoothing factor; and obtaining a CFR estimation ?r by averaging the CFR estimations ?r(2) and ?r(4).Type: GrantFiled: April 24, 2008Date of Patent: January 17, 2012Assignee: WIPRO Techno Centre (Singapore) Pte LtdInventors: Zhongjun Wang, Masayuki Tomisawa
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Patent number: 8050342Abstract: Method and apparatus for receiving coded signals with the aid of CSI are provided. The method comprises: performing channel estimation to obtain a CFR estimation vector; computing a squared magnitude of the CFR estimation vector, and obtaining a normalization factor ? by averaging the squared magnitudes of CFR estimations on all N subcarriers; finding a norm-shift operand m satisfying the condition that ?0=2m is a power of 2 number closest to the normalization factor ?; performing a CSI-aided one-tap channel equalization on an output signal vector from a DFT processor by using the norm-shift operand m; performing constellation demapping; and performing channel decoding. The method further comprises obtaining a weighting factor vector by right shifting m bits of the squared magnitude of the CFR estimation vector so that the constellation demapping can use the weighted decision boundary values in case that its input signal is sensitive to both amplitude and phase.Type: GrantFiled: September 18, 2008Date of Patent: November 1, 2011Assignee: Wipro Techno Centre (Singapore) Pte LtdInventors: Zhongjun Wang, Lee Guek Yeo, Zhi Ping Li, Saigui Hu, Yanxin Yan, Qi Jun Xu, Yu Jing Ting, Masayuki Tomisawa
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Patent number: 7953164Abstract: A system for performing LS equalization on a signal in an OFDM system comprises a receiver stage for receiving a modulated signal, a demodulation stage for demodulating the received modulated signal to produce a demodulated signal, a channel estimation stage for processing the demodulated signal to provide an output signal corresponding to a channel frequency response and an equalization stage arranged to process the output signal from the channel estimation stage to produce a channel state information signal. The equalization stage is arranged to use the channel state information signal to operate on the demodulated signal from the demodulation stage to produce an equalized demodulated output signal. There is also disclosed a method for performing LS equalization on a signal in an OFDM system.Type: GrantFiled: November 9, 2006Date of Patent: May 31, 2011Assignee: Oki Techno Centre (Singapore) Pte Ltd.Inventors: Wenzhen Li, Zhongjun Wang, Yanxin Yan, Masayuki Tomisawa