Patents by Inventor Renhua Wu
Renhua Wu 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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Detection circuit for on-board direct current/direct current (DC/DC) ground wire and on-board device
Patent number: 12099098Abstract: A detection circuit for the on-board direct current/direct current (DC/DC) ground wire and an on-board device are provided. The circuit includes a digital signal process (DSP) controller, a detection circuit, a standby circuit for an on-board DC/DC converter, and a power-supply negative wire for the on-board DC/DC converter. The detection circuit includes a comparator, a first conductive branch, a second conductive branch, a third conductive branch. In this way, the detection circuit is connected between the DSP controller and the standby circuit for the on-board DC/DC converter, and the detection circuit is connected between the DSP controller and the power-supply negative wire for the on-board DC/DC converter.Type: GrantFiled: January 9, 2023Date of Patent: September 24, 2024Assignee: Shinry Technologies Co., Ltd.Inventors: Lijun Chen, Renhua Wu -
Publication number: 20230307928Abstract: A charging system, a charging method, and a vehicle are provided. The charging system includes a primary-side bridge circuit, a transformer, a first secondary-side bridge circuit, and a second secondary-side bridge circuit. The primary-side bridge circuit is connected with a primary winding of the transformer. The first secondary-side bridge circuit and the second secondary-side bridge circuit are connected with a secondary winding of the transformer respectively. On condition that power is transferred from the first secondary-side bridge circuit to the second secondary-side bridge circuit, switching transistors of the first secondary-side bridge circuit are turned on once switching transistors of the primary-side bridge circuit are on for a duration Td.Type: ApplicationFiled: June 1, 2023Publication date: September 28, 2023Applicant: Shinry Technologies Co., Ltd.Inventors: Deqi ZHAO, Renhua WU
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DETECTION CIRCUIT FOR ON-BOARD DIRECT CURRENT/DIRECT CURRENT (DC/DC) GROUND WIRE AND ON-BOARD DEVICE
Publication number: 20230160976Abstract: A detection circuit for the on-board direct current/direct current (DC/DC) ground wire and an on-board device are provided. The circuit includes a digital signal process (DSP) controller, a detection circuit, a standby circuit for an on-board DC/DC converter, and a power-supply negative wire for the on-board DC/DC converter. The detection circuit includes a comparator, a first conductive branch, a second conductive branch, a third conductive branch. In this way, the detection circuit is connected between the DSP controller and the standby circuit for the on-board DC/DC converter, and the detection circuit is connected between the DSP controller and the power-supply negative wire for the on-board DC/DC converter.Type: ApplicationFiled: January 9, 2023Publication date: May 25, 2023Applicant: Shinry Technologies Co., Ltd.Inventors: Lijun CHEN, Renhua WU -
Patent number: 11411496Abstract: A power regulator includes an input capacitor connected between a first voltage bus and an intermediate point, an output capacitor connected between a second voltage bus and the intermediate point, a plurality of switches and an inductor connected between the input capacitor and the output capacitor, wherein a source of one switch of the plurality of switches is connected to the intermediate point and a protection device connected between the intermediate point and a third voltage bus.Type: GrantFiled: September 9, 2019Date of Patent: August 9, 2022Assignee: Huawei Digital Power Technologies Co., Ltd.Inventors: Hengchun Mao, Yan-Fei Liu, Renhua Wu
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Publication number: 20200007037Abstract: A power regulator includes an input capacitor connected between a first voltage bus and an intermediate point, an output capacitor connected between a second voltage bus and the intermediate point, a plurality of switches and an inductor connected between the input capacitor and the output capacitor, wherein a source of one switch of the plurality of switches is connected to the intermediate point and a protection device connected between the intermediate point and a third voltage bus.Type: ApplicationFiled: September 9, 2019Publication date: January 2, 2020Inventors: Hengchun Mao, Yan-Fei Liu, Renhua Wu
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Patent number: 10411596Abstract: A power regulator comprises a first power switch configured to carry a pulsed current, an input capacitor between a positive terminal of an input voltage bus and a return point, an output capacitor between a positive terminal of an output voltage bus and the return point and a protection device coupled between the return point and a common return point of the input voltage bus and the output voltage bus, wherein the pulsed current is configured to flow through the protection device.Type: GrantFiled: May 9, 2016Date of Patent: September 10, 2019Assignee: Futurewei Technologies, Inc.Inventors: Hengchun Mao, Yan-Fei Liu, Renhua Wu
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Publication number: 20160254751Abstract: A power regulator comprises a first power switch configured to carry a pulsed current, an input capacitor between a positive terminal of an input voltage bus and a return point, an output capacitor between a positive terminal of an output voltage bus and the return point and a protection device coupled between the return point and a common return point of the input voltage bus and the output voltage bus, wherein the pulsed current is configured to flow through the protection device.Type: ApplicationFiled: May 9, 2016Publication date: September 1, 2016Inventors: Hengchun Mao, Yan-Fei Liu, Renhua Wu
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Patent number: 9337641Abstract: An embodiment high efficiency power regulator comprises a three-terminal converter and a protection device. The three-terminal converter comprises a first terminal coupled to a positive terminal of an input voltage bus, a second terminal coupled to a positive terminal of an output voltage bus and a third terminal coupled to the protection device. The protection device comprises an inrush current limiting element connected in series with a reverse polarity protection device.Type: GrantFiled: April 15, 2014Date of Patent: May 10, 2016Assignee: Futurewei Technologies, Inc.Inventors: Hengchun Mao, Yan-Fei Liu, Renhua Wu
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Patent number: 9133513Abstract: Provided is a high throughput methylation detection method, particularly a combined sequence capture and bisulfite sequencing method. The method accurately and effectively analyzes the methylation status of the target area in several samples simultaneously, lowers the difficulty of probe design, enhances operation and application feasibility, and enables high throughput methylation detection of high accuracy on interested target sequences and areas in a complete genome. The method is targeted and conserves energy and time.Type: GrantFiled: May 22, 2012Date of Patent: September 15, 2015Assignee: BGI TECH SOLUTIONS CO., LTD.Inventors: Huijuan Luo, Guanyu Ji, Hui Jiang, Mingzhi Wu, Jihua Sun, Renhua Wu, Junwen Wang, Fei Gao
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Publication number: 20140256563Abstract: Provided is a high throughput methylation detection method, particularly a combined sequence capture and bisulfite sequencing method. The method accurately and effectively analyzes the methylation status of the target area in several samples simultaneously, lowers the difficulty of probe design, enhances operation and application feasibility, and enables high throughput methylation detection of high accuracy on interested target sequences and areas in a complete genome. The method is targeted and conserves energy and time.Type: ApplicationFiled: May 22, 2012Publication date: September 11, 2014Applicant: BGI TECH SOLUTIONS CO., LTD.Inventors: Huijuan Luo, Guanyu Ji, Hui Jiang, Mingzhi Wu, Jihua Sun, Renhua Wu, Junwen Wang, Fei Gao
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Publication number: 20140226246Abstract: An embodiment high efficiency power regulator comprises a three-terminal converter and a protection device. The three-terminal converter comprises a first terminal coupled to a positive terminal of an input voltage bus, a second terminal coupled to a positive terminal of an output voltage bus and a third terminal coupled to the protection device. The protection device comprises an inrush current limiting element connected in series with a reverse polarity protection device.Type: ApplicationFiled: April 15, 2014Publication date: August 14, 2014Applicant: FUTUREWEI TECHNOLOGIES, INC.Inventors: Hengchun Mao, Yan-Fei Liu, Renhua Wu
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Patent number: 8717717Abstract: An embodiment high efficiency power regulator comprises a three-terminal converter and a protection device. The three-terminal converter comprises a first terminal coupled to a positive terminal of an input voltage bus, a second terminal coupled to a positive terminal of an output voltage bus and a third terminal coupled to the protection device. The protection device comprises an inrush current limiting element connected in series with a reverse polarity protection device.Type: GrantFiled: August 4, 2011Date of Patent: May 6, 2014Assignee: Futurewei Technologies, Inc.Inventors: Hengchun Mao, Yan-Fei Liu, Renhua Wu
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Publication number: 20130033786Abstract: An embodiment high efficiency power regulator comprises a three-terminal converter and a protection device. The three-terminal converter comprises a first terminal coupled to a positive terminal of an input voltage bus, a second terminal coupled to a positive terminal of an output voltage bus and a third terminal coupled to the protection device. The protection device comprises an inrush current limiting element connected in series with a reverse polarity protection device.Type: ApplicationFiled: August 4, 2011Publication date: February 7, 2013Applicant: FutureWei Technologies, Inc.Inventors: Hengchun Mao, Yan-Fei Liu, Renhua Wu