Patents by Inventor Jihua Li
Jihua Li 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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Patent number: 11971180Abstract: An outdoor unit of an air conditioner includes an outdoor-unit main control circuit, a power supply, a power supply control circuit, and an outdoor-unit communication circuit. The power supply control circuit is disposed in a loop of a power supply line for supplying power to the power supply, and is configured to control the power supply line to supply power to the power supply by controlling on/off of the loop; and the power supply is configured to supply power to the outdoor-unit main control circuit and the outdoor-unit communication circuit after receiving the power supplied from the power supply line.Type: GrantFiled: June 30, 2021Date of Patent: April 30, 2024Assignee: HISENSE (GUANGDONG) AIR CONDITIONER CO., LTD.Inventors: Jianneng Zhang, Yongping Cao, Xidong Li, Minan Wu, Xiaoqin Wei, Jihua Chen
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Publication number: 20240125826Abstract: A method for detecting a topological structure of a grounding grid under extremely cold condition, includes the following steps: in a substation in an extremely cold area, determining a measuring area S on a ground surface of a grounding grid according to the positions of branches and nodes of the grounding grid in a selected area, acquiring dynamic current values of the branches and nodes through a current sensor based on TMR tunnel magnetoresistance, and then indirectly acquiring the magnetic induction intensity of the measuring area S through conversion; calculating moduli of first to third derivatives of magnetic induction intensities; and determining specific positions and laying depths of the branches of the grounding grid according to peak distances between main lobe peaks and side peaks between strong peaks of the moduli. According to the method, the calculation amount is greatly reduced, and the detection method has strong anti-interference.Type: ApplicationFiled: October 10, 2022Publication date: April 18, 2024Applicant: CHONGQING UNIVERSITYInventors: Ruotong MING, Fan YANG, Zhili LI, Tian TAN, Jihua GE, Hui JIANG, Zikang YANG
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Patent number: 11931222Abstract: The present disclosure provides methods, computing device readable medium, devices, and systems having a dental attachment formation structures. One dental appliance includes a body having a first surface shaped to abut an exterior surface of a tooth and a well portion of the first surface shaped to form an attachment that is to be attached to the exterior surface of the tooth, a release layer formed over a surface of the well to allow the attachment to be removed from the well, and an attachment material that is used to form the attachment positioned within the well.Type: GrantFiled: November 12, 2015Date of Patent: March 19, 2024Assignee: Align Technology, Inc.Inventors: Peter Webber, Yan Chen, Jihua Cheng, Bastien Pesenti, Chunhua Li, Jennifer C. Chen
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Patent number: 11863136Abstract: The electronic circuits and semiconductor device having the same are provided. The electronic circuit includes: a first transistor including a first electrode coupled with an input voltage; a second transistor including a first electrode coupled with a second electrode of the first transistor; a first capacitor coupled between the first transistor and the second transistor; a first diode including a first terminal coupled with the first electrode of the first transistor; a second diode including a first terminal coupled with a second terminal of the first diode and a second terminal coupled with a second electrode of the second transistor; a second capacitor coupled between the first transistor and the first diode; and a third capacitor coupled between the first diode and the second transistor.Type: GrantFiled: July 15, 2020Date of Patent: January 2, 2024Assignee: INNOSCIENCE (ZHUHAI) TECHNOLOGY CO., LTD.Inventors: Tao Zhang, Yulin Chen, Jihua Li, Wenjie Lin
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Publication number: 20230352487Abstract: The present invention provides a nitride-based multi-channel switching device having a plurality of transistors. The multi-channel switching device comprises a substrate, a plurality gate structures, a plurality of source electrodes and a plurality of drain electrodes. The gate structures, source electrodes and drain electrodes are grouped to form the plurality of transistors and arranged such that each gate structure disposed between a source electrode and drain electrode. Each group of the gate structures are electrically interconnected and connected to at least one gate pad corresponding to each of the transistor. Each group of the drain electrode are electrically interconnected and connected to at least one drain pad corresponding to each of the transistor. All groups of the source electrodes are electrically interconnected and connected to at least one common source pad.Type: ApplicationFiled: July 1, 2021Publication date: November 2, 2023Inventors: Hui YAN, Sichao LI, Dinghui CAI, Jihua LI, Yulin CHEN, Tao ZHANG
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Patent number: 11733287Abstract: A testing circuit includes a first circuit and a second circuit. The first circuit and second circuit have a first capacitor and a second capacitor. The first circuit is connected to a first transistor. The second circuit is connected to a second transistor. A first inductor has a first terminal connected to an input of the testing circuit and a second terminal connected to a source of the second transistor. A first diode has an anode connected to ground and a cathode connected to the second terminal of the first inductor. The second capacitor has a first terminal connected to a drain of the second transistor and a second terminal connected to ground. The first capacitor has a first terminal connected to the input of the testing circuit and a second terminal connected to ground.Type: GrantFiled: August 15, 2022Date of Patent: August 22, 2023Assignee: INNOSCIENCE (ZHUHAI) TECHNOLOGY CO., LTD.Inventors: Jihua Li, Tao Zhang, Wenjie Lin
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Patent number: 11656339Abstract: Apparatuses and methods for controlling a micro-mirror are provided. In one example, a controller is coupled with a micro-mirror assembly comprising a micro-mirror, an actuator, and a sensor. The controller is configured to: receive a reference signal including information of a target oscillatory rotation of the micro-mirror; receive, from the sensor, the measurement signal of an oscillatory rotation of the micro-mirror; determine, based on the measurement signal and the information included in the reference signal, a difference between the oscillatory rotation of the micro-mirror and the target oscillatory rotation; receive an input control signal; generate, based on the difference and the input control signal, an output control signal to control at least one of a phase or an amplitude of the oscillatory rotation of the micro-mirror; and transmit the output control signal to the actuator.Type: GrantFiled: March 1, 2019Date of Patent: May 23, 2023Assignee: Beijing Voyager Technology Co., Ltd.Inventors: Zuow-Zun Chen, Jihua Li, Lingkai Kong, Youmin Wang, Yue Lu, Quin Zhou
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Patent number: 11641165Abstract: The subject application provides a zero-voltage switching flyback converter comprising: a transformer having a primary winding and a secondary winding; a primary switch and a secondary switch for conducting the currents flowing in the primary winding and secondary winding respectively. A timing control method for operating the flyback converter are provided to accomplish zero-voltage switch by turning on the secondary switch twice within one switching power cycle.Type: GrantFiled: September 30, 2020Date of Patent: May 2, 2023Assignee: INNOSCIENCE (SUZHOU) TECHNOLOGY CO., LTD.Inventors: Tao Zhang, Jihua Li, Yulin Chen
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Patent number: 11632051Abstract: The subject application provides a zero-voltage switching flyback converter comprising: a transformer having a primary winding and a secondary winding; a primary switch and a secondary switch for conducting the currents flowing in the primary winding and secondary winding respectively. A timing control method for operating the flyback converter are provided to accomplish zero-voltage switch by turning on the secondary switch twice within one switching power cycle.Type: GrantFiled: September 30, 2020Date of Patent: April 18, 2023Assignee: INNOSCIENCE (SUZHOU) TECHNOLOGY CO., LTD.Inventors: Tao Zhang, Jihua Li, Yulin Chen
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Publication number: 20220390502Abstract: A testing circuit includes a first circuit and a second circuit. The first circuit and second circuit have a first capacitor and a second capacitor. The first circuit is connected to a first transistor. The second circuit is connected to a second transistor. A first inductor has a first terminal connected to an input of the testing circuit and a second terminal connected to a source of the second transistor. A first diode has an anode connected to ground and a cathode connected to the second terminal of the first inductor. The second capacitor has a first terminal connected to a drain of the second transistor and a second terminal connected to ground. The first capacitor has a first terminal connected to the input of the testing circuit and a second terminal connected to ground.Type: ApplicationFiled: August 15, 2022Publication date: December 8, 2022Inventors: JIHUA LI, TAO ZHANG, WENJIE LIN
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Publication number: 20220385194Abstract: The subject application provides a zero-voltage switching flyback converter comprising: a transformer having a primary winding and a secondary winding; a primary switch and a secondary switch for conducting the currents flowing in the primary winding and secondary winding respectively. A timing control method for operating the flyback converter are provided to accomplish zero-voltage switch by turning on the secondary switch twice within one switching power cycle.Type: ApplicationFiled: September 30, 2020Publication date: December 1, 2022Inventors: Tao ZHANG, Jihua LI, Yulin CHEN
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Publication number: 20220380490Abstract: A method for concentrating rubber emulsion and a product prepared by the method are provided, the method includes: a concentrated latex is obtained by separating a superabsorbent resin added in advance into a rubber emulsion with a solid content of 0.01-70% after stirring and concentrating the resin-added rubber emulsion. The method requires simple equipment and consumes less energy, and the prepared polymer emulsion has a solid content up to 76%; the superabsorbent resin adopted herein is reusable after drying, which therefore effectively reduces the production cost; natural latex concentrated by the method has rather high yields of dry rubber and little wastewater production; products prepared from the concentrated natural latex have excellent mechanical property, aging resistance and adhesive property; and concentrating natural latex according to this method does not require advance agglomeration, which reduces the production procedures and improves the production efficiency significantly.Type: ApplicationFiled: December 15, 2021Publication date: December 1, 2022Inventors: Jinlong Tao, Na Kong, Jizhen Zhang, Zhifeng Li, Jihua Li, Zirong Luo, Mingzhe Lv, Pengfei Zhao
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Publication number: 20220385197Abstract: The subject application provides a zero-voltage switching flyback converter comprising: a transformer having a primary winding and a secondary winding; a primary switch and a secondary switch for conducting the currents flowing in the primary winding and secondary winding respectively. A timing control method for operating the flyback converter are provided to accomplish zero-voltage switch by turning on the secondary switch twice within one switching power cycle.Type: ApplicationFiled: September 30, 2020Publication date: December 1, 2022Inventors: Tao ZHANG, Jihua LI, Yulin CHEN
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Publication number: 20220376664Abstract: The electronic circuits and semiconductor device having the same are provided. The electronic circuit includes: a first transistor including a first electrode coupled with an input voltage; a second transistor including a first electrode coupled with a second electrode of the first transistor; a first capacitor coupled between the first transistor and the second transistor; a first diode including a first terminal coupled with the first electrode of the first transistor; a second diode including a first terminal coupled with a second terminal of the first diode and a second terminal coupled with a second electrode of the second transistor; a second capacitor coupled between the first transistor and the first diode; and a third capacitor coupled between the first diode and the second transistor.Type: ApplicationFiled: July 15, 2020Publication date: November 24, 2022Inventors: Tao ZHANG, Yulin CHEN, Jihua LI, Wenjie LIN
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Patent number: 11498982Abstract: A method for concentrating rubber emulsion and a product prepared by the method are provided, the method includes: a concentrated latex is obtained by separating a superabsorbent resin added in advance into a rubber emulsion with a solid content of 0.01-70% after stirring and concentrating the resin-added rubber emulsion. The method requires simple equipment and consumes less energy, and the prepared polymer emulsion has a solid content up to 76%; the superabsorbent resin adopted herein is reusable after drying, which therefore effectively reduces the production cost; natural latex concentrated by the method has rather high yields of dry rubber and little wastewater production; products prepared from the concentrated natural latex have excellent mechanical property, aging resistance and adhesive property; and concentrating natural latex according to this method does not require advance agglomeration, which reduces the production procedures and improves the production efficiency significantly.Type: GrantFiled: December 15, 2021Date of Patent: November 15, 2022Assignee: AGRICULTURAL PRODUCT PROCESSING RESEARCH INSTITUTE, CHINESE ACADEMY OF TROPICAL AGRICULTURAL SCIENCESInventors: Jinlong Tao, Na Kong, Jizhen Zhang, Zhifeng Li, Jihua Li, Zirong Luo, Mingzhe Lv, Pengfei Zhao
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Publication number: 20220307041Abstract: Cloning and use of an Arachis hypogaea L. flowering habit gene AhFH1 and allelic variants thereof are provided. Through experiments, the Arachis hypogaea L. flowering habit gene AhFH1 and two defunctionalized allelic variants thereof are determined. The defunctionalized allelic variants can cause the change from alternate flowering Arachis hypogaea L. to continuous flowering Arachis hypogaea L. Through overexpression of the gene AhFH1 or supplementary expression of a promoter of the gene itself, a continuous flowering Arachis hypogaea L. variety can be changed into alternate flowering Arachis hypogaea L.; and through knockout or expression suppression of the gene AhFH1, alternate flowering Arachis hypogaea L. can be changed into continuous flowering Arachis hypogaea L. Marker-assisted selection (MAS) breeding is realized for allelic variants of the gene using molecular markers.Type: ApplicationFiled: October 19, 2020Publication date: September 29, 2022Applicant: Qingdao Agricultural UniversityInventors: Xiaojun ZHANG, Jihua LI, Rui GUO, Xiaona YU, Tong SI, Xiaoxia ZOU, Yuefu WANG, Minglun WANG, Xiaoyuan CHI, Shanlin YU
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Patent number: 11448685Abstract: A testing circuit includes a first circuit and a second circuit. The first circuit has a first capacitor and a second capacitor. The first circuit is configured to transfer at least a portion of a first voltage across the first capacitor to the second capacitor. The second circuit has the first capacitor and the second capacitor. The second circuit is configured to transfer at least a portion of a second voltage across the second capacitor to the first capacitor.Type: GrantFiled: August 6, 2020Date of Patent: September 20, 2022Assignee: INNOSCIENCE (ZHUHAI) TECHNOLOGY CO., LTD.Inventors: Jihua Li, Tao Zhang, Wenjie Lin
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Publication number: 20220221557Abstract: Embodiments of the disclosure provide a system for controlling laser pulses emitted by an optical sensing device. The system may include a laser emitter configured to emit a plurality of laser pulses, a power source configured to deliver electrical currents to the laser emitter, and a control circuit configured to deliver electrical currents from the power source to the laser emitter. The control circuit may include a first control path configured to deliver a first electrical current rising at a first rate from the power source to the laser emitter to emit a first laser pulse. The control circuit may also include a second control path configured to deliver a second electrical current rising at a second rate from the power source to the laser emitter to emit a second laser pulse following the first laser pulse. The second rate may be higher than the first rate.Type: ApplicationFiled: January 11, 2021Publication date: July 14, 2022Applicant: BEIJING VOYAGER TECHNOLOGY CO., LTD.Inventors: Yu-Ching Yeh, Yue Lu, Jihua Li, Youmin Wang
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Publication number: 20220043048Abstract: A testing circuit includes a first circuit and a second circuit. The first circuit has a first capacitor and a second capacitor. The first circuit is configured to transfer at least a portion of a first voltage across the first capacitor to the second capacitor. The second circuit has the first capacitor and the second capacitor. The second circuit is configured to transfer at least a portion of a second voltage across the second capacitor to the first capacitor.Type: ApplicationFiled: August 6, 2020Publication date: February 10, 2022Inventors: JIHUA LI, TAO ZHANG, WENJIE LIN
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Patent number: 11193889Abstract: A compact and miniaturized Fourier transform photoluminescence (PL) spectrometer is provided comprising five functional modules, which are all mounted on a same baseplate: (i) a sample placement module for positioning and spatially adjusting the sample to be tested, which includes a 3-axis stage (10) and a position mark (11) for the expected front surface of the sample being tested. The stage is employed for positioning the sample directly or a low-temperature optical cryostat that contains the sample (said sample and cryostat being not parts of the spectrometer), the position mark indicates the pre-aligned position for the projection of the sample's front surface in the horizontal plane; (ii) a built-in pump light source module for generating PL signal, which includes two lasers (20) and (21) with different laser wavelengths, the lasers' output can be selected on request in the wavelength range from ultraviolet to near-infrared.Type: GrantFiled: July 27, 2020Date of Patent: December 7, 2021Assignee: INSA OPTICS TECHNOLOGY (SHANGHAI) LTD.Inventors: Jihua Li, Jun Shao