Patents by Inventor Shiyong Fu
Shiyong Fu 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: 11876382Abstract: A connection manner identification method includes power sourcing equipment separately sending load adjustment indications to powered devices by using data ports, where each load adjustment indication in the load adjustment indications indicates a corresponding powered device to adjust a load. The powered devices are separately connected to power supply ports of the power sourcing equipment by using power supply cables, and the powered devices are separately connected to the data ports of the power sourcing equipment by using data cables. The power sourcing equipment obtains output power changes of the power supply ports caused by load adjustment of the powered devices, and the power sourcing equipment determines, based on the output power changes, a first data port and a power supply port that are connected to a same powered device in the powered devices.Type: GrantFiled: June 28, 2021Date of Patent: January 16, 2024Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Chao Gu, Jian Xiang, Qing Lu, Guirong Ji, Shiyong Fu, Changxin Yao
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Publication number: 20230344661Abstract: A power over Ethernet (PoE) power supplying method where power sourcing equipment (PSE) and a powered device exchange link layer discovery protocol data units (LLDPDUs). Each of the LLDPDUs includes two power values. Each of the power values indicates requested or allocated power for one of two sets of cable pairs of the Ethernet twisted pair connecting the PSE and the powered device. Accordingly, the supplied powers to the powered device at sets of cable pairs are independent from each other.Type: ApplicationFiled: June 28, 2023Publication date: October 26, 2023Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yan Zhuang, Shiyong Fu, Hua Chen, Xiuju Liang, Jincan Cao, Rui Hua
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Patent number: 11743059Abstract: A power over Ethernet (PoE) power supplying method where power sourcing equipment (PSE) and a powered device exchange link layer discovery protocol data units (LLDPDUs). Each of the LLDPDUs includes two power values. Each of the power values indicates requested or allocated power for one of two sets of cable pairs of the Ethernet twisted pair connecting the PSE and the powered device. Accordingly, the supplied powers to the powered device at sets of cable pairs are independent from each other.Type: GrantFiled: July 18, 2018Date of Patent: August 29, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yan Zhuang, Shiyong Fu, Hua Chen, Xiuju Liang, Jincan Cao, Rui Hua
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Publication number: 20230269107Abstract: This application relates to a power consumption grading method for a network-based power supply system. The method includes: when it is detected that power overload protection is not triggered, starting a plurality of power modules of a powered device one by one in a specific order until all the plurality of power modules are started or it is detected that the power overload protection is triggered after a specific power module is started; when it is detected that the power overload protection is triggered, selecting, according to the specific order and based on the specific power module, one or more of the plurality of power modules as a power module combination of the powered device; and determining a load power of the powered device and a corresponding power consumption level based on the power module combination.Type: ApplicationFiled: March 8, 2023Publication date: August 24, 2023Inventors: Weiping SONG, Shiyong FU, Yajie CAI, Xuefeng TANG, Houcun ZHU
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Patent number: 11677652Abstract: A port adaptation method applied to a network device including a port adaptation apparatus includes probing whether the first port and the second port are connected to power sourcing equipment, and maintaining or switching one of the first port and the second port that is connected to power sourcing equipment as, or to, a powered state, and a state of the other port as, or to, a powering state.Type: GrantFiled: June 23, 2021Date of Patent: June 13, 2023Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shiyong Fu, Yan Zhuang, Rui Hua
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Publication number: 20230134181Abstract: A communication system includes a first device and a second device connected through an electro-optical composite cable. The electro-optical composite cable includes an optical fiber and a power supply cable. The optical fiber is used to transmit a data signal. The power supply cable is used to transmit a direct current. The first device is configured to send a first alternating-current signal to the second device through the power supply cable. The second device is configured to switch a running status based on the first alternating-current signal.Type: ApplicationFiled: December 5, 2022Publication date: May 4, 2023Inventors: Qing Lu, Changxin Yao, Chao Gu, Jian Xiang, Shiyong Fu
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Publication number: 20230140821Abstract: Embodiments of this application disclose a power negotiation method for power over Ethernet, power sourcing equipment, a system, and a storage medium, and belong to the field of power over Ethernet technologies. In embodiments of this application, the power sourcing equipment includes a plurality of power supply ports and a plurality of data ports. The power sourcing equipment supplies power to a connected powered device through the power supply port, and transmits data to the connected powered device through the data port. In this way, the power supply port can meet a data transmission requirement when a data transmission rate increases. Based on this, when a first power supply port and a first data port are connected to a first powered device, the power sourcing equipment can perform power negotiation with first power sourcing equipment through the first data port based on port feature information of the first power supply port.Type: ApplicationFiled: December 29, 2022Publication date: May 4, 2023Inventors: Shiyong Fu, Zhenyu Song
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Publication number: 20230107236Abstract: A power supply detection apparatus includes a power sourcing equipment (PSE) circuit, a power supply module, and a reverse circuit. The PSE circuit is configured to send a first sounding electrical signal and a second sounding electrical signal to the reverse circuit. The reverse circuit outputs the first sounding electrical signal to a wire-pair group of an Ethernet cable, performs reverse processing on the second sounding electrical signal, and outputs a reverse-processed second sounding electrical signal to the wire-pair group. The PSE circuit is configured to determine, using the first sounding electrical signal, a forward sounding result of a to-be-detected device; and determine a reverse sounding result of the to-be-detected device based on the second sounding electrical signal. The power supply detection apparatus is configured to determine that the to-be-detected device is a non-PD when the forward sounding result or the reverse sounding result is a short circuit.Type: ApplicationFiled: December 9, 2022Publication date: April 6, 2023Inventors: Chao Gu, Jian Xiang, Donghui Wang, Guirong Ji, Shiyong Fu, Rui Hua
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Publication number: 20220329449Abstract: A filtering-based power supply apparatus used in a power sourcing equipment (PSE) includes a power supply control circuit and an adaptive filter circuit. The power supply control circuit includes a power supply channel and a detection module. The power supply channel includes a control switch configured to control on and off of the power supply channel. The detection module is configured to send a detection signal to the power supply channel to detect whether a peer device connected to the power supply channel is a valid powered device. The control switch is turned off in a detection process of the power supply channel. The adaptive filter circuit is configured to filter noise in the detection signal in the detection process of the power supply channel.Type: ApplicationFiled: June 27, 2022Publication date: October 13, 2022Inventors: Shiyong Fu, Houcun Zhu, Donghui Wang, Xiangen Xu, Zhaojin Li
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Patent number: 11368321Abstract: Power sourcing equipment (PSE) and an energy saving method for Power over Ethernet are provided. The PSE includes: a low-power detection component, configured to: detect a power supply port when being connected to the power supply port; and send a first instruction when the power supply port is connected to a valid powered device PD, to instruct a control switch to connect a PSE chip and the power supply port and disconnect the low-power detection component from the power supply port, and instruct a power switch to connect the PSE chip and a power supply; the control switch, configured to: according to the first instruction, connect the PSE chip and the power supply port, and disconnect the low-power detection component from the power supply port; and the power switch, configured to connect the PSE chip to the power supply port according to the first instruction.Type: GrantFiled: February 27, 2020Date of Patent: June 21, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Hua Chen, Shiyong Fu, Yan Zhuang, Rui Hua, Qi Dong, Chao Gu
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Patent number: 11329837Abstract: A network device includes a power system, a processor, a power sourcing equipment PSE chip coupled to a first forward power supply port, and a first powered device PD chip coupled to a first reverse power receiving port. A first powered device is connected to the first forward power supply port and the first reverse power receiving port. When detecting that a power failure occurs on the network device, the processor instructs the first PD chip to draw power from the first powered device; the first PD chip draws the power from the first powered device through the first reverse power receiving port, and supplies the obtained power to the power system. Therefore, when a power failure occurs, the network device can continue to obtain power and work properly when the power failure occurs.Type: GrantFiled: April 22, 2019Date of Patent: May 10, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shiyong Fu, Yan Zhuang, Jincan Cao, Fuguang Huang, Xueqi Chen, Rui Hua
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Patent number: 11265179Abstract: A power supply management method performed by power sourcing equipment, includes receiving a power-on request from a level-1 powered device, where the power-on request includes a port identifier of a level-2 power supply port that is detected to be valid in the level-1 powered device, determining, based on the power-on request and an outputtable power of the power sourcing equipment, a level-2 power supply port that is allowed to be powered on in the level-1 powered device, and sending a power-on instruction to the level-1 powered device, where the power-on instruction includes a port identifier of the level-2 power supply port that is allowed to be powered on in the level-1 powered device. The power sourcing equipment uses the level-1 powered device and a level-2 powered device connected to the level-1 powered device as a whole, and centrally performs power supply control and power management.Type: GrantFiled: November 25, 2019Date of Patent: March 1, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yan Zhuang, Shiyong Fu, Jincan Cao, Fuguang Huang, Xueqi Chen, Rui Hua
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Patent number: 11237583Abstract: This disclosure discloses a power supply method and a power supply device, and pertains to the field of power supply technologies. The method includes: supplying, by a power supply device, power to a load through a power supply port, where the power supply port is connected to a power receiving port of the load by using a power supply cable; and communicating, by the power supply device, with the load through a communications port, to manage a behavior of obtaining power by the load from the power supply device, where the communications port is connected to a communications port of the load by using a communications cable. In this disclosure, the power supply device is a power supply of the load and a controller of the load.Type: GrantFiled: December 2, 2019Date of Patent: February 1, 2022Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yunxiang Dai, Kairen Wei, Zhengsheng Xie, Shiyong Fu, Hua Chen, Xingbin Yin
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Publication number: 20210408802Abstract: A connection manner identification method includes power sourcing equipment separately sending load adjustment indications to powered devices by using data ports, where each load adjustment indication in the load adjustment indications indicates a corresponding powered device to adjust a load. The powered devices are separately connected to power supply ports of the power sourcing equipment by using power supply cables, and the powered devices are separately connected to the data ports of the power sourcing equipment by using data cables. The power sourcing equipment obtains output power changes of the power supply ports caused by load adjustment of the powered devices, and the power sourcing equipment determines, based on the output power changes, a first data port and a power supply port that are connected to a same powered device in the powered devices.Type: ApplicationFiled: June 28, 2021Publication date: December 30, 2021Inventors: Chao Gu, Jian Xiang, Qing Lu, Guirong Ji, Shiyong Fu, Changxin Yao
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Publication number: 20210392066Abstract: A port adaptation method applied to a network device including a port adaptation apparatus includes probing whether the first port and the second port are connected to power sourcing equipment, and maintaining or switching one of the first port and the second port that is connected to power sourcing equipment as, or to, a powered state, and a state of the other port as, or to, a powering state.Type: ApplicationFiled: June 23, 2021Publication date: December 16, 2021Inventors: Shiyong Fu, Yan Zhuang, Rui Hua
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Patent number: 11183838Abstract: Power sourcing equipment for power over Ethernet (PoE) includes a power supply control circuit, an Ethernet port, and a surge protection circuit. The surge protection circuit includes a first circuit, a second circuit, and a common discharge circuit. The first circuit is connected to a power supply pin group of the Ethernet port, the power supply control circuit, and the common discharge circuit. The second circuit is connected to a non-power supply pin group of the Ethernet port and the common discharge circuit. The first circuit transmits, to the common discharge circuit, a first surge that is input from the power supply pin group. The second circuit transmits, to the common discharge circuit, a second surge that is input from the non-power supply pin group. The common discharge circuit discharges the first surge and the second surge to ground.Type: GrantFiled: June 6, 2019Date of Patent: November 23, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shiyong Fu, Yan Zhuang, Qi Dong, Xiangen Xu, Xueqi Chen, Yu Ding
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Publication number: 20210314180Abstract: A network device probes whether a first port of the network device is coupled to power sourcing equipment, and when probing that the first port is coupled to power sourcing equipment, maintain or change the first port to a powered state, and lock the first port as a power drawing port, or when probing that the first port is decoupled to power sourcing equipment, and the network device has a power supply for supplying power, change the first port to a powering state. In this way, the first port may adaptively serve as a power drawing port or a power sourcing port according to a coupled device such that manually distinguished a port during device interconnection is not necessary and a coupling error rate is reduced.Type: ApplicationFiled: April 21, 2021Publication date: October 7, 2021Inventors: Shiyong Fu, Yan Zhuang, Rui Hua
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Patent number: 11082322Abstract: A port adaptation method applied to a network device including a port adaptation apparatus includes probing whether the first port and the second port are connected to power sourcing equipment, and maintaining or changing one of the first port and the second port that is connected to power sourcing equipment as, or to, a powered state, and a state of the other port as, or to, a powering state.Type: GrantFiled: August 27, 2018Date of Patent: August 3, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shiyong Fu, Yan Zhuang, Rui Hua
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Patent number: 11005671Abstract: A network device probes whether a first port of the network device is coupled to power sourcing equipment, and when probing that the first port is coupled to power sourcing equipment, maintain or change the first port to a powered state, and lock the first port as a power drawing port, or when probing that the first port is decoupled to power sourcing equipment, and the network device has a power supply for supplying power, change the first port to a powering state. In this way, the first port may adaptively serve as a power drawing port or a power sourcing port according to a coupled device such that manually distinguished a port during device interconnection is not necessary and a coupling error rate is reduced.Type: GrantFiled: August 28, 2018Date of Patent: May 11, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Shiyong Fu, Yan Zhuang, Rui Hua
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Patent number: 10951425Abstract: A power over Ethernet method includes: performing, by power sourcing equipment, a plurality of detections by using an Ethernet port, connected to an intermediate device, of the power sourcing equipment, where a quantity of detections performed by the power sourcing equipment is equal to a quantity of power supply ports of the intermediate device; and if at least one detection result of the plurality of detections is effective, sending, by the power sourcing equipment, a power supply indication to the intermediate device, and supplying power to the connection port. In this way, the power sourcing equipment can supply power across the intermediate device to a powered device connected to the intermediate device, and a power loss caused by voltage conversion is avoided.Type: GrantFiled: April 1, 2019Date of Patent: March 16, 2021Assignee: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yan Zhuang, Shiyong Fu, Jincan Cao, Fuguang Huang, Xueqi Chen, Rui Hua