Patents by Inventor Zhen SHENG
Zhen SHENG 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: 20240185822Abstract: The ultra-low frequency acoustic absorber (10) includes a hollow housing (12) having opposed first and second open ends (22, 24), and a plurality of metallic mesh layers (16) stacked within the housing (12). In order to secure the plurality of metallic mesh layers (16) within the hollow housing (12), first and second mesh covers (18, 20) may cover the first and second open ends (22, 24) of the hollow housing (12), respectively. At least one spacer (14) may be provided to form a gap between the housing (12) and a support surface, such as a hard wall (W) or the like. The at least one spacer (14) may have a length sufficient to space the ultra-low frequency acoustic absorber (10) at the position of optimal absorption based on an acoustic soft 10 boundary condition (ASBC).Type: ApplicationFiled: April 21, 2022Publication date: June 6, 2024Inventors: Ping SHENG, Ho Yiu MAK, Xiaonan ZHANG, Zhen DONG
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Patent number: 11989178Abstract: Techniques support graph pattern matching queries inside a relational database management system (RDBMS) that supports SQL execution. The techniques compile a graph pattern matching query into a SQL query that can then be executed by the relational engine. As a result, techniques enable execution of graph pattern matching queries on top of the relational engine by avoiding any change in the existing SQL engine.Type: GrantFiled: October 26, 2020Date of Patent: May 21, 2024Assignee: Oracle International CorporationInventors: Vlad Haprian, Laurent Daynes, Zhen Hua Liu, Lei Sheng, Hugo Kapp, Marco Arnaboldi, Jean-Pierre Lozi, Andrew Witkowski, Hassan Chafi, Sungpack Hong
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Publication number: 20240126764Abstract: Techniques support graph pattern matching queries inside a relational database management system (RDBMS) that supports SQL execution. The techniques compile a graph pattern matching query that includes a bounded recursive pattern query into a SQL query that can then be executed by the relational engine. As a result, techniques enable execution of graph pattern matching queries that include bounded recursive patterns on top of the relational engine by avoiding any change in the existing SQL engine.Type: ApplicationFiled: October 13, 2022Publication date: April 18, 2024Inventors: VLAD IOAN HAPRIAN, LEI SHENG, LAURENT DAYNES, ZHEN HUA LIU, HUGO KAPP, MARCO ARNABOLDI, ANDREW WITKOWSKI, SUNGPACK HONG, HASSAN CHAFI
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Patent number: 11932881Abstract: A heparin skeleton synthase originates from Neisseria animaloris, with an amino acid sequence as shown in SEQ ID NO.2 and a nucleotide sequence of the coding gene as shown in SEQ ID NO.1. Its recombinant expression level is 6.8 times that of the existing heparin skeleton synthase KfiA from Escherichia coli K5, and total enzyme activity per fermentation liquor is 5.22 times that of the heparin skeleton synthase KfiA. The heparin skeleton synthase mutants obtained through site-directed mutagenesis of the sites No. 16, No. 25, No. 30, No. 111, No. 165, and No. 172 in the amino acid sequence of the said heparin skeleton synthase all have high expression levels.Type: GrantFiled: January 3, 2022Date of Patent: March 19, 2024Assignees: SHAN DONG UNIVERSITY, Bloomage Biotechnology Corporation LimitedInventors: Juzheng Sheng, Xueping Guo, Jianqun Deng, Fengshan Wang, Zhen Lu, Ranran Du, Liu Sun, Yuanjun Sun
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Patent number: 11796738Abstract: The present invention provides a temperature-insensitive Mach-Zehnder interferometer, including: a first mode converter; a second mode converter, located on one side of the first mode converter and with a distance from the first mode converter; and a connecting arm, located between the first mode converter and the second mode converter, one end of the connecting arm is connected with the first mode converter, and the other end is connected with the second mode converter. The connecting arm includes a straight waveguide connecting arm. The temperature-insensitive Mach-Zehnder interferometer of the present invention can be configured to be insensitive to temperature by adjusting parameters such as the width and thickness of the connecting arm.Type: GrantFiled: January 3, 2019Date of Patent: October 24, 2023Assignee: SHANGHAI INSTITUTE OF MICROSYSTEM AND INFORMATION TECHNOLOGY, CHINESE ACADEMY OF SCIENCESInventors: Chao Qiu, Yingxuan Zhao, Fuwan Gan, Aimin Wu, Zhen Sheng, Wei Li
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Publication number: 20220120973Abstract: The present invention provides a temperature-insensitive Mach-Zehnder interferometer, including: a first mode converter; a second mode converter, located on one side of the first mode converter and with a distance from the first mode converter; and a connecting arm, located between the first mode converter and the second mode converter, one end of the connecting arm is connected with the first mode converter, and the other end is connected with the second mode converter. The connecting arm includes a straight waveguide connecting arm. The temperature-insensitive Mach-Zehnder interferometer of the present invention can be configured to be insensitive to temperature by adjusting parameters such as the width and thickness of the connecting arm.Type: ApplicationFiled: January 3, 2019Publication date: April 21, 2022Applicant: SHANGHAI INSTITUTE OF MICROSYSTEM AND INFORMATION TECHNOLOGY, CHINESE ACADEMY OF SCIENCESInventors: Chao QIU, Yingxuan ZHAO, Fuwan GAN, Aimin WU, Zhen SHENG, Wei LI
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Patent number: 10866177Abstract: A dropping test device includes a base, a lifting assembly formed on the base, a resetting component, and a transmission assembly. A to-be-detected component is formed on the base. The lifting assembly includes at least one cantilever, at least one cam, and a rotating shaft. The cantilever and the cam are fixed on the rotating shaft. The rotating shaft drives the cantilever and the cam rotates. The cantilever lifts one end of the to-be-detected component during rotating. The resetting component abuts on the cam. The cam drives the resetting component towards the to-be-detected component as the cam is rotating. The resetting component drives the to-be-detected component to return to an original position. The transmission assembly is connected to the rotating shaft and drives the rotating shaft to rotate.Type: GrantFiled: November 22, 2019Date of Patent: December 15, 2020Assignee: TRIPLE WIN TECHNOLOGY(SHENZHEN) CO. LTD.Inventor: Zhen-Sheng Lin
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Patent number: 10062997Abstract: An electrical connector includes an insulative housing and a number of contacts over-molded in the insulative housing, each of the contacts including: a conductive member comprising a base portion and a contact portion projected from the base portion and exposed out of the insulative housing for being electrically connected with a mating connector contact; and a connecting member electrically connected with the conductive member. The connecting member includes a soldering portion soldered with the base portion, an elastic portion for connecting to a printed circuit board, and a connecting portion connected between the soldering portion and the elastic portion.Type: GrantFiled: August 18, 2016Date of Patent: August 28, 2018Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Tao Wang, Zhen-Sheng Wang
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Patent number: 9653914Abstract: An interface supply system includes a switching power supply, a control chip, and a control circuit. The control circuit is coupled to the switching power supply and the control chip. The switching power supply is configured to supply power to an interface. The control circuit is configured to be switched on and output a detection signal to the control chip when the switching power supply and the control chip are shorted. The control chip is configured to not supply power to the interface after receiving the detection signal.Type: GrantFiled: April 9, 2015Date of Patent: May 16, 2017Assignees: HONG FU JIN PRECISION INDUSTRY (WuHan) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Zhen-Sheng Wang, Chun-Sheng Chen
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Patent number: 9607536Abstract: A testing apparatus to establish a fault by a process of elimination includes an input unit, a signal converting unit, a switch unit, and a display unit. The input unit receives an input signal and outputs a switch signal. The signal converting unit receives the switch signal and outputs a control signal. The switch unit receives the control signal and outputs a test signal. The display unit receives the test signal and runs a built in self test (BIST) program to test the proper functioning of the display unit. The signal converting unit outputs a data signal and a clock signal to the display unit when the display unit works normally. The signal converting unit not output the data signal and the clock signal to the display unit when the input signal and resulting control signal are repeated.Type: GrantFiled: April 2, 2015Date of Patent: March 28, 2017Assignees: HONG FU JIN PRECISION INDUSTRY (WuHan) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Chun-Sheng Chen, Zhen-Sheng Wang
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Publication number: 20170054242Abstract: An electrical connector includes an insulative housing and a number of contacts over-molded in the insulative housing, each of the contacts including: a conductive member comprising a base portion and a contact portion projected from the base portion and exposed out of the insulative housing for being electrically connected with a mating connector contact; and a connecting member electrically connected with the conductive member. The connecting member includes a soldering portion soldered with the base portion, an elastic portion for connecting to a printed circuit board, and a connecting portion connected between the soldering portion and the elastic portion.Type: ApplicationFiled: August 18, 2016Publication date: February 23, 2017Inventors: TAO WANG, ZHEN-SHENG WANG
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Publication number: 20160164523Abstract: An interface supply circuit includes a power supply unit, a first control circuit coupled to the power supply unit, a second control coupled to the circuit power supply unit, and an output unit. The output unit is coupled to the first control circuit and the second control circuit. The first control circuit is configured to output a first voltage via the output unit when a system is in a normal state. The second control circuit is configured to output a second voltage via the output unit when the system is in a stand-by state.Type: ApplicationFiled: February 6, 2015Publication date: June 9, 2016Inventors: ZHEN-SHENG WANG, CHUN-SHENG CHEN
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Publication number: 20160156172Abstract: An interface supply system includes a switching power supply, a control chip, and a control circuit. The control circuit is coupled to the switching power supply and the control chip. The switching power supply is configured to supply power to an interface. The control circuit is configured to be switched on and output a detection signal to the control chip when the switching power supply and the control chip are shorted. The control chip is configured to not supply power to the interface after receiving the detection signal.Type: ApplicationFiled: April 9, 2015Publication date: June 2, 2016Inventors: ZHEN-SHENG WANG, CHUN-SHENG CHEN
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Publication number: 20160117964Abstract: A testing apparatus to establish a fault by a process of elimination includes an input unit, a signal converting unit, a switch unit, and a display unit. The input unit receives an input signal and outputs a switch signal. The signal converting unit receives the switch signal and outputs a control signal. The switch unit receives the control signal and outputs a test signal. The display unit receives the test signal and runs a built in self test (BIST) program to test the proper functioning of the display unit. The signal converting unit outputs a data signal and a clock signal to the display unit when the display unit works normally. The signal converting unit not output the data signal and the clock signal to the display unit when the input signal and resulting control signal are repeated.Type: ApplicationFiled: April 2, 2015Publication date: April 28, 2016Inventors: CHUN-SHENG CHEN, ZHEN-SHENG WANG
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Patent number: 9293869Abstract: An electrical connector (100) includes an insulative body (2), a number of contacts (1), and a metal shell (5). The insulative body includes an upper wall (21), a lower wall (22) opposite to the upper wall, a pair of sidewalls (23), and a rear wall (24) connecting between the upper wall, the lower wall, and the sidewalls for cooperatively defining a receiving space (20). The insulative body has a mating tongue (25) extending forwardly from the rear wall into the receiving space. The contacts are retained in the mating tongue and partly exposed in the receiving space. The metal shell has a pair of arc portions engaging with a mating plug connector. The metal shell is positioned on the upper wall for reducing interference between the metal shell and an antenna mounted on a printed circuit board.Type: GrantFiled: January 23, 2015Date of Patent: March 22, 2016Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITEDInventors: Qiang Ning, Zhen-Sheng Wang, Chang-Ji Liu
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Publication number: 20150207272Abstract: An electrical connector (100) includes an insulative body (2), a number of contacts (1), and a metal shell (5). The insulative body includes an upper wall (21), a lower wall (22) opposite to the upper wall, a pair of sidewalls (23), and a rear wall (24) connecting between the upper wall, the lower wall, and the sidewalls for cooperatively defining a receiving space (20). The insulative body has a mating tongue (25) extending forwardly from the rear wall into the receiving space. The contacts are retained in the mating tongue and partly exposed in the receiving space. The metal shell has a pair of arc portions engaging with a mating plug connector. The metal shell is positioned on the upper wall for reducing interference between the metal shell and an antenna mounted on a printed circuit board.Type: ApplicationFiled: January 23, 2015Publication date: July 23, 2015Inventors: QIANG NING, ZHEN-SHENG WANG, CHANG-JI LIU
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Patent number: 8708753Abstract: An electrical connector includes an insulative housing defining a tongue plate, a first set of contacts disposed upon the tongue plate, a second set of contacts disposed upon the tongue plate, and an inner PCB retained in the housing. The inner PCB defines at least one input connecting portion, at least one output connecting portion electrically connected with the at least one input connecting portion, and a first soldering leg connecting with the at least one output connecting portion. At least one of the first set of contacts connect with the first soldering leg, and at least one of the second set of contacts connect with the at least one input connecting portion to share the first soldering leg for mounting onto the mother PCB.Type: GrantFiled: July 31, 2012Date of Patent: April 29, 2014Assignee: Hon Hai Precision Industry Co., Ltd.Inventors: Zhen-Sheng Wang, Andrew Cheng
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Publication number: 20130040499Abstract: An electrical connector includes an insulative housing defining a tongue plate, a first set of contacts disposed upon the tongue plate, a second set of contacts disposed upon the tongue plate, and an inner PCB retained in the housing. The inner PCB defines at least one input connecting portion, at least one output connecting portion electrically connected with the at least one input connecting portion, and a first soldering leg connecting with the at least one output connecting portion. At least one of the first set of contacts connect with the first soldering leg, and at least one of the second set of contacts connect with the at least one input connecting portion to share the first soldering leg for mounting onto the mother PCB.Type: ApplicationFiled: July 31, 2012Publication date: February 14, 2013Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: ZHEN-SHENG WANG, ANDREW CHENG
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Patent number: 8202103Abstract: An electrical connector (100) includes an insulative housing (1) having a base portion (11) and a tongue portion (12) extending forwardly from the base portion along a mating direction, a number of contacts (2) assembled in the insulative housing, and an ejector (4) comprising a slider (41), a pin member (43), and at least one spring element (42) for cooperatively ejecting a mating component. The slider has a rear lengthwise portion (411) extending along the mating direction and a front transverse portion (412) perpendicular to the mating direction. The lengthwise portion is moveably assembled on the base portion, and the transverse portion is positioned upon the tongue portion for being pushed by the mating component.Type: GrantFiled: December 29, 2010Date of Patent: June 19, 2012Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Bao-Shan Zhou, Zhen-Sheng Wang
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Publication number: 20110159715Abstract: An electrical connector (100) includes an insulative housing (1) having a base portion (11) and a tongue portion (12) extending forwardly from the base portion along a mating direction, a number of contacts (2) assembled in the insulative housing, and an ejector (4) comprising a slider (41), a pin member (43), and at least one spring element (42) for cooperatively ejecting a mating component. The slider has a rear lengthwise portion (411) extending along the mating direction and a front transverse portion (412) perpendicular to the mating direction. The lengthwise portion is moveably assembled on the base portion, and the transverse portion is positioned upon the tongue portion for being pushed by the mating component.Type: ApplicationFiled: December 29, 2010Publication date: June 30, 2011Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: BAO-SHAN ZHOU, ZHEN-SHENG WANG