Patents by Inventor Zhi Jiang
Zhi Jiang 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: 10374571Abstract: A balun structure is provided. The balun structure includes a substrate, a first coil structure and a second coil structure having a spiral shape and on the substrate. The first coil structure includes a first single-layer coil surrounding by first laminated coils that are connected to the first single-layer coil. The second coil structure can include a second single-layer coil and second laminated coils that are connected to the second single-layer coil. A projection of the first single-layer coil and a projection of the second single-layer coil on a surface of the substrate overlap with each other. A number of the second laminated coils is larger than or equal to a number of the first laminated coils. The second laminated coils are arranged alternately with the first laminated coils or the first single-layer coil in a plane parallel to the surface of the substrate.Type: GrantFiled: October 24, 2017Date of Patent: August 6, 2019Assignees: SEMICONDUCTOR MANUFACTURING INTERNATIONAL (SHANGHAI) CORPORATION, SEMICONDUCTOR MANUFACTURING INTERNATIONAL (BEIJING) CORPORATIONInventors: Xi Ning Wang, Jen Hao Cheng, Zhi Jiang Zhou, Jin Feng Gao
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Publication number: 20190216591Abstract: The present disclosure relates to a device for printing lumen tissue construct, a method for using the same and 3D bioprinter. Wherein, the device includes a spray head assembly for printing a biological construct; and a bioprinting platform for supporting a lumen tissue, and for carrying a biological construct printed by the spray head assembly, and for applying the biological construct to an inner surface of the lumen tissue. The device for printing lumen tissue construct of the present disclosure provides the spray head assembly and the bioprinting platform, and the spray head assembly applies the biological construct onto the inner surface of the lumen tissue by the bioprinting platform, to avoid such problems as recurrence of thrombus and restenosis of a lumen after the lumen tissue has been implanted for a long time, thereby improving the biological reliability of the lumen tissue.Type: ApplicationFiled: January 18, 2019Publication date: July 18, 2019Inventors: Yijun Li, Junxuan He, Zhi Jiang, Xiaolin Hu, Leqing Zhang, Deming Wang
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Publication number: 20190217537Abstract: The present invention relates to a device for printing lumen tissue construct, a method for using the same and a 3D bioprinter. Wherein, the device comprises a spray sprayhead assembly and a bioprinting platform, the spray sprayhead assembly prints a biological construct on an inner surface of a lumen tissue by the bioprinting platform. the device for printing lumen tissue construct of the present invention provides the sprayhead assembly and the bioprinting platform, and the sprayhead assembly prints the biological construct on the inner surface of the lumen tissue by the bioprinting platform, thus avoid such problems as recurrence of thrombus and restenosis of a lumen after the lumen tissue has been transplanted for a long time, thereby improving the biological reliability of the lumen tissue.Type: ApplicationFiled: April 27, 2018Publication date: July 18, 2019Applicant: REVOTEK CO., LTDInventors: Yijun LI, Junxuan HE, Zhi JIANG, Xiaolin HU, Leqing ZHANG, Deming WANG
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Publication number: 20190212467Abstract: A stand-alone sensor includes a main part, a sensing head mounting on the main part, and a movable shield retractably disposed in the main part. The movable shield is rotatable around the sensing head when protruded from the main part.Type: ApplicationFiled: June 28, 2018Publication date: July 11, 2019Inventors: ZHI HONG XIE, CHENG ZHI JIANG, KAI LIU, HUANG HAIMING
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Publication number: 20180129964Abstract: Embodiments of the present invention disclose a push information pre-selecting method and apparatus. The method includes: based on historical push data of push information including a plurality of push information items, determining a feature for calculating a predicted value, and a weight corresponding to the feature; calculating a standard deviation of the feature; determining a fluctuation probability of the standard deviation; calculating the predicted value based on the weight, the standard deviation, and the fluctuation probability, the standard deviation and the fluctuation probability being used for calculating a fluctuation value for correcting the weight; based on the predicted value, selecting push information items satisfying a preset condition; and pushing the selected push information items to a target user.Type: ApplicationFiled: January 5, 2018Publication date: May 10, 2018Inventors: Lei JIANG, Ge CHEN, Lieqiong JIANG, Lei LIU, Dongbo HUANG, Wenjie LI, Hao HUANG, Junqing GU, Wei HUANG, Zhi JIANG, Hong ZHANG, Lan XU, Siyu ZHU, Wei JIN
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Publication number: 20180123550Abstract: A balun structure is provided. The balun structure includes a substrate, a first coil structure and a second coil structure having a spiral shape and on the substrate. The first coil structure includes a first single-layer coil surrounding by first laminated coils that are connected to the first single-layer coil. The second coil structure can include a second single-layer coil and second laminated coils that are connected to the second single-layer coil. A projection of the first single-layer coil and a projection of the second single-layer coil on a surface of the substrate overlap with each other. A number of the second laminated coils is larger than or equal to a number of the first laminated coils. The second laminated coils are arranged alternately with the first laminated coils or the first single-layer coil in a plane parallel to the surface of the substrate.Type: ApplicationFiled: October 24, 2017Publication date: May 3, 2018Inventors: Xi Ning WANG, Jen Hao CHENG, Zhi Jiang ZHOU, Jin Feng GAO
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Patent number: 9800056Abstract: A multi-power supply system and a control method thereof are disclosed. The multi-power supply system includes a first power-supply unit, a second power-supply unit, a switching unit, and a control unit. The power-supply unit comprises a reverse current prevention circuit, a converter circuit, and an input circuit. The switching unit is electrically coupled to the first power-supply unit and the second power-supply unit. When the first and second input circuits are in normal operation, the control unit controls the switching unit to be turned off to allow the first power-supply unit and the second power-supply unit to supply power to a load. When one of the first and second input circuits is in abnormal operation, the control unit controls the switching unit to be turned on. The switching unit cooperates with the first and second reverse current prevention circuits to achieve the switching of input.Type: GrantFiled: December 29, 2014Date of Patent: October 24, 2017Assignee: DELTA ELECTRONICS (SHANGHAI) CO., LTD.Inventors: Xiu-Feng Yu, Zhi-Jiang Deng, Guo-Dong Yin, Ben Wu
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Patent number: 9391522Abstract: A resonant converter apparatus includes a first pre-regulator, a first resonant converter, a second pre-regulator, a second resonant converter and a controller. The first pre-regulator receives a first input voltage and generates a first output voltage. The first resonant converter receives the first output voltage and generates a supply voltage. The second pre-regulator receives a second input voltage and generates a second output voltage. The second resonant converter receives the second output voltage and generates the supply voltage, in which an output of the second resonant converter is electrically connected in parallel with an output of the first resonant converter. The controller controls the first pre-regulator and the second pre-regulator such that the first resonant converter and the second resonant converter generate identical output currents in accordance with controlled operations of the first pre-regulator and the second pre-regulator.Type: GrantFiled: August 13, 2013Date of Patent: July 12, 2016Assignee: DELTA ELECTRONICS, INC.Inventors: Yun-Hui Chen, Zhi-Jiang Deng, Guo-Dong Yin, Zhong-Wei Ke
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Publication number: 20160105999Abstract: A cooling device includes a cooler. The cooler includes a base, a plurality of cooling fins secured to the base, and a heat pipe inserting through the cooling fins. Each cooling fin includes a fin body and a pressed portion extending from the fin body. The fin body includes a hole area, which defines a receiving hole. A portion of the heat pipe extends through the receiving hole; the pressed portion includes at least one guiding portion, which is configured to guide air to flow towards the hole area from the fin body.Type: ApplicationFiled: October 28, 2014Publication date: April 14, 2016Inventors: XIN HE, JIN-BIAO JI, ZHI-JIANG YAO
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Patent number: 9305723Abstract: One aspect of the present invention, a strip type off-circuit tap changer includes an insulating rod and a support, where an operation positioning device is arranged on the support, a rack mobile frame is disposed on the insulating rod, the rack of the rack mobile frame is engaged to a drive gear of the operation positioning device, columnar fixed contacts are longitudinally arranged at a spacing on the insulating rod, the rack mobile frame is connected to a moving contact frame, and a moving contact assembly is arranged on the moving contact frame and fits with the fixed contacts on the insulating rod, the moving contact assembly is formed by an annular moving contact and an elastic pin, and the annular moving contact spans between two adjacent columnar fixed contacts.Type: GrantFiled: June 7, 2013Date of Patent: April 5, 2016Assignee: WUHAN TAIPU TRANSFORMER CHANGER CO., LTD.Inventors: Gang Liu, Zhi-Biao Ding, Zhi-Jiang Xu
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Patent number: 9165725Abstract: In one aspect of the invention, an off-circuit tap changer includes a switch base and a rotation shaft penetrating the switch base. An upper end of the rotation shaft is connected to an operation positioning device, a lower end of the rotation shaft is disposed with moving contacts, and fixed contacts corresponding to the moving contacts are circumferentially disposed at a spacing on the switch base; the moving contacts are radial elastic rolling moving contacts, and the radial elastic rolling moving contacts span between two adjacent fixed contacts and closely contact the fixed contacts.Type: GrantFiled: June 3, 2013Date of Patent: October 20, 2015Assignee: WUHAN TAIPU TRANSFORMER CHANGER CO., LTD.Inventors: Gang Liu, Zhi-Biao Ding, Zhi-Jiang Xu
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Publication number: 20150214742Abstract: A multi-power supply system and a control method thereof are disclosed. The multi-power supply system includes a first power-supply unit, a second power-supply unit, a switching unit, and a control unit. The power-supply unit comprises a reverse current prevention circuit, a converter circuit, and an input circuit. The switching unit is electrically coupled to the first power-supply unit and the second power-supply unit. When the first and second input circuits are in normal operation, the control unit controls the switching unit to be turned off to allow the first power-supply unit and the second power-supply unit to supply power to a load. When one of the first and second input circuits is in abnormal operation, the control unit controls the switching unit to be turned on. The switching unit cooperates with the first and second reverse current prevention circuits to achieve the switching of input.Type: ApplicationFiled: December 29, 2014Publication date: July 30, 2015Inventors: Xiu-Feng YU, Zhi-Jiang DENG, Guo-Dong YIN, Ben WU
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Patent number: 8967586Abstract: A supporting apparatus, configured to support a heat dissipating device, includes a bracket, two adjusting structures, and two mounting portions. Each of the two mounting portions defines a mounting hole. Each of the two adjusting structures is engaged in each of the mounting holes and includes an adjusting member and an installation member engaged with the adjusting member. Each of the adjusting members defines a through hole. The two adjusting members are rotatable relative to the two mounting portions from a first position to a second position. When the adjusting members are in the first position, a first line is running through the two through holes. When the adjusting members are in the second position, a second line is running through the two through holes, and a length of the first line is less than a length of the second line.Type: GrantFiled: April 26, 2012Date of Patent: March 3, 2015Assignees: Hong Fu Jin Precision Industry (WuHan) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Chao-Jun Zhu, Jin-Biao Ji, Zhi-Jiang Yao
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Publication number: 20140354057Abstract: A resonant converter apparatus includes a first pre-regulator, a first resonant converter, a second pre-regulator, a second resonant converter and a controller. The first pre-regulator receives a first input voltage and generates a first output voltage. The first resonant converter receives the first output voltage and generates a supply voltage. The second pre-regulator receives a second input voltage and generates a second output voltage. The second resonant converter receives the second output voltage and generates the supply voltage, in which an output of the second resonant converter is electrically connected in parallel with an output of the first resonant converter. The controller controls the first pre-regulator and the second pre-regulator such that the first resonant converter and the second resonant converter generate identical output currents in accordance with controlled operations of the first pre-regulator and the second pre-regulator.Type: ApplicationFiled: August 13, 2013Publication date: December 4, 2014Applicant: Delta Electronics, Inc.Inventors: Yun-Hui Chen, Zhi-Jiang Deng, Guo-Dong Yin, Zhong-Wei Ke
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Patent number: 8737070Abstract: A heat dissipation system includes an enclosure, a first heat sink, a second heat sink, and a fan. The enclosure includes a bottom plate, a first side plate, and a second side plate. A first air vent area is located on the first side plate. A second air vent area is located on the second side plate. A first heat generation apparatus and a second heat generation apparatus is mounted on the bottom plate and located between the first air vent area and the second air vent area. A first heat sink is mounted on the bottom plate and contacts the first heat generation apparatus. A second heat sink is mounted on the bottom plate and contacts the second heat generation apparatus. A plurality of second fins is located on the second heat sink. Each second fin is wavy. A fan is located between the first air vent area and the second air vent area. The fan is adapted to drive air to flow through the first air vent area, the first heat sink, the plurality of second fins, and the second air vent area.Type: GrantFiled: August 1, 2011Date of Patent: May 27, 2014Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Chao-Jun Zhu, Xiang-Kun Zeng, Zhi-Jiang Yao, Li-Fu Xu
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Publication number: 20140072449Abstract: A fan control system for a fan on a motherboard includes an I/O controller installed on the motherboard and a control circuit electrically connected to the I/O controller. The fan includes a motor and a rotation speed detecting chip. The I/O controller outputs a rotation speed control signal and a pulse width modulation (PWM) signal. The rotation speed detecting chip detects a rotation speed of the fan, and outputs a rotation speed feedback signal according to the rotation speed of the fan. The I/O controller receives the rotation speed feedback signal, and adjusts a duty cycle of the PWM signal accordingly to change the rotation speed of the fan. The control circuit receives the rotation speed control signal, and outputs a fan driving signal accordingly. The motor receives the fan driving signal, and drives the fan to rotate in a direction according to the fan driving signal.Type: ApplicationFiled: June 10, 2013Publication date: March 13, 2014Inventors: ZHI-JIANG YAO, WEN-CHANG GAO
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Patent number: 8670579Abstract: A MEMS microphone includes a cover, a housing engaging with the cover for forming a cavity, at least one transducer accommodated in the cavity, and a conductive case covering the cover and the sidewall of the housing. The housing includes a cover and a sidewall extending from the base. The conductive case defines a first part covering the cover, a second part extending from the first part for covering the sidewall and a third part perpendicularly extending from the second part for covering a periphery part of the base, the third part forming an opening.Type: GrantFiled: January 27, 2010Date of Patent: March 11, 2014Assignees: AAC Acoustic Technologies (Shenzhen) Co., Ltd., American Audio Components, Inc.Inventors: Zhi-Jiang Wu, Xing-Fu Chen, Yong-Ze Su
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Patent number: 8659891Abstract: A heat dissipation system includes a computer case has a base plate and a back plate, a heat sink, a second heat source, and an air partition panel. The back plate defines a plurality of first air outlet holes aligned with the heat sink, and a plurality of second air outlet holes aligned with the second heat source. The heat sink is positioned on the base plate in contact with a first heat source. The second heat source is positioned on the base plate adjacent to the base plate. The air partition panel is positioned on the base plate between the motherboard and the second heat source. A first air path is defined between the air partition panel and the plurality of first air outlet holes. A second air path is defined between the air partition panel and the plurality of second air outlet holes.Type: GrantFiled: April 28, 2011Date of Patent: February 25, 2014Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd, Hon Hai Precision Industry Co., Ltd.Inventors: Hua Huang, Xiang-Kun Zeng, Zhi-Jiang Yao, Li-Fu Xu
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Publication number: 20140048394Abstract: On aspect of the present invention, a strip type off-circuit tap changer includes an insulating rod and a support, where an operation positioning device is arranged on the support, a rack mobile frame is disposed on the insulating rod, the rack of the rack mobile frame is engaged to a drive gear of the operation positioning device, columnar fixed contacts are longitudinally arranged at a spacing on the insulating rod, the rack mobile frame is connected to a moving contact frame, and a moving contact assembly is arranged on the moving contact frame and fits with the fixed contacts on the insulating rod, the moving contact assembly is formed by an annular moving contact and an elastic pin, and the annular moving contact spans between two adjacent columnar fixed contacts.Type: ApplicationFiled: June 7, 2013Publication date: February 20, 2014Inventors: Gang Liu, Zhi-Biao Ding, Zhi-Jiang Xu
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Patent number: 8625278Abstract: An electronic device comprises a cooler comprises a plurality of first locking members, a backboard defining pluralities of first and second positioning holes, and a circuit board. The backboard is attached to the cooler through the first locking members engaged with the second positioning holes. A first mounting member and a second mounting member are adapted to receive the heat generating component. The first mounting member defines a plurality of locking holes. The first positioning holes are among the second positioning holes. The second mounting member receives the heat generating component, the circuit board is between the second mounting member and the backboard, the first mounting member is secured to the circuit board; when the first mounting member receives the heat generating component, the circuit board is between the first mounting member and the backboard, the first mounting member is secured to the backboard.Type: GrantFiled: November 21, 2011Date of Patent: January 7, 2014Assignees: Hong Fu Jin Precision Industry (WuHan) Co., Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Rui Wang, Zhi-Jiang Yao, Li-Fu Xu