Patents by Inventor Quan Long
Quan Long 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: 20170346236Abstract: An electrical connector assembly includes a first body, multiple first terminals disposed in the first body, a metal inner shell wrapping a periphery of the first body to form an insertion space between the metal inner shell and the first body, and a first metal casing disposed outside of the metal inner shell. The metal inner shell has a front end that exceeds beyond the first metal casing. The first metal casing has a top wall, which has a front edge bending and extending upward to form a first extending plate. The front edge of the top wall is provided with a first concave portion located at a side of the first extending plate, and is further continuously provided with a protruding portion and a second concave portion from the first concave portion along a direction away from the first extending plate.Type: ApplicationFiled: August 17, 2017Publication date: November 30, 2017Inventor: Quan Long
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Patent number: 9806467Abstract: An electrical connector assembly includes an insulating body provided with an accommodating cavity, a metal member retained to the outside of the insulating body, and a first connector disposed in the accommodating cavity. The accommodating cavity has two opposite side walls. The metal member has two side plates and two urging portions respectively connected to the two side plates. The urging portions are disposed in the accommodating cavity. Each of the side walls is disposed between the corresponding urging portion and the corresponding side plate. The first connector has a first metal casing. Each of the urging portions urges the first metal casing, and each of the urging portions is located between the first metal casing and the corresponding side wall.Type: GrantFiled: March 22, 2016Date of Patent: October 31, 2017Assignee: LOTES CO., LTDInventor: Quan Long
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Patent number: 9806476Abstract: An electrical connector for connecting a mating connector includes a main body having a terminal slot, a tongue extending from the main body, and first and second terminals. The terminal slot extends to a mating surface of the tongue. The first terminal has a first extending portion received in the terminal slot and a first contacting portion extending from the first extending portion. The second terminal has a second extending portion received in the terminal slot and a second contacting portion extending toward the mating surface and bending backward. The second extending portion is away from the mating surface relative to the first extending portion. The first and second contacting portions expose out of the mating surface and are arranged front and back. When the electrical connector connects the mating connector, the first and second terminals contact the mating connector to form an electrical circuit.Type: GrantFiled: March 3, 2017Date of Patent: October 31, 2017Assignee: LOTES CO., LTD.Inventor: Quan Long
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Publication number: 20170279232Abstract: An electrical connector for connecting a mating connector includes a main body having a terminal slot, a tongue extending from the main body, and first and second terminals. The terminal slot extends to a mating surface of the tongue. The first terminal has a first extending portion received in the terminal slot and a first contacting portion extending from the first extending portion. The second terminal has a second extending portion received in the terminal slot and a second contacting portion extending toward the mating surface and bending backward. The second extending portion is away from the mating surface relative to the first extending portion. The first and second contacting portions expose out of the mating surface and are arranged front and back. When the electrical connector connects the mating connector, the first and second terminals contact the mating connector to form an electrical circuit.Type: ApplicationFiled: March 3, 2017Publication date: September 28, 2017Inventor: Quan Long
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Patent number: 9531142Abstract: An electrical connector includes a first body, multiple first conducting terminals and multiple second conducting terminals received in the first body, a first fixing block, and a second fixing block. Each first conducting terminal has a first extending portion, and a first welding portion extending downward from the first extending portion. Each second conducting terminal has a second extending portion, and a second welding portion extending downward from the second extending portion. The first extending portions and the second extending portions are disposed in a front and back manner. The first extending portions are insert injection molded at the first fixing block. The second extending portions are insert injection molded at the second fixing block. The first fixing block and the second fixing block cooperatively position the first welding portions and the second welding portions. A stacked electrical connector formed by two or more of the electrical connectors.Type: GrantFiled: October 27, 2014Date of Patent: December 27, 2016Assignee: LOTES CO., LTDInventors: Bin Qi Xu, Quan Long
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Patent number: 9529069Abstract: A test system for testing electrostatic testers, is used to test at least one electrostatic tester each including a voltage test terminal and a connection test terminal. The test system includes at least one optical coupler circuit and a chip. Each optical coupler circuit is coupled the voltage test terminal and the connection test terminal of one corresponding electrostatic tester, and each optical coupler circuit converts voltages of the voltage test terminal and the connection test terminal respectively to a voltage test signal and a connection test signal. The chip is couple to the at least one optical coupler circuit, and receives the connection test signal and the voltage test signal produced by the at least one optical coupler circuit, and determines whether the corresponding electrostatic tester connected to each optical coupler circuit is worked normally according to the connection test signal and the voltage test signal.Type: GrantFiled: August 1, 2014Date of Patent: December 27, 2016Assignee: Shenzhen Airdrawing Technology Service Co., LtdInventors: Gui-Zhen Zhang, Quan-Long Yang, Hung-Jen Tseng
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Publication number: 20160352049Abstract: An electrical connector assembly includes an insulating body provided with an accommodating cavity, a metal member retained to the outside of the insulating body, and a first connector disposed in the accommodating cavity. The accommodating cavity has two opposite side walls. The metal member has two side plates and two urging portions respectively connected to the two side plates. The urging portions are disposed in the accommodating cavity. Each of the side walls is disposed between the corresponding urging portion and the corresponding side plate. The first connector has a first metal casing. Each of the urging portions urges the first metal casing, and each of the urging portions is located between the first metal casing and the corresponding side wall.Type: ApplicationFiled: March 22, 2016Publication date: December 1, 2016Inventor: Quan Long
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Publication number: 20150280375Abstract: An electrical connector includes a first body, multiple first conducting terminals and multiple second conducting terminals received in the first body, a first fixing block, and a second fixing block. Each first conducting terminal has a first extending portion, and a first welding portion extending downward from the first extending portion. Each second conducting terminal has a second extending portion, and a second welding portion extending downward from the second extending portion. The first extending portions and the second extending portions are disposed in a front and back manner. The first extending portions are insert injection molded at the first fixing block. The second extending portions are insert injection molded at the second fixing block. The first fixing block and the second fixing block cooperatively position the first welding portions and the second welding portions. A stacked electrical connector formed by two or more of the electrical connectors.Type: ApplicationFiled: October 27, 2014Publication date: October 1, 2015Inventors: Bin Qi Xu, Quan Long
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Publication number: 20150042356Abstract: A test system for testing electrostatic testers, is used to test at least one electrostatic tester each including a voltage test terminal and a connection test terminal. The test system includes at least one optical coupler circuit and a chip. Each optical coupler circuit is coupled the voltage test terminal and the connection test terminal of one corresponding electrostatic tester, and each optical coupler circuit converts voltages of the voltage test terminal and the connection test terminal respectively to a voltage test signal and a connection test signal. The chip is couple to the at least one optical coupler circuit, and receives the connection test signal and the voltage test signal produced by the at least one optical coupler circuit, and determines whether the corresponding electrostatic tester connected to each optical coupler circuit is worked normally according to the connection test signal and the voltage test signal.Type: ApplicationFiled: August 1, 2014Publication date: February 12, 2015Inventors: GUI-ZHEN ZHANG, QUAN-LONG YANG, HUNG-JEN TSENG
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Patent number: 8775769Abstract: A partition-based method for diagnosing memory leaks in Java systems, comprising dividing heap memory of a Java virtual machine into a plurality of partitions based on a partition plan, wherein each partition has at least one partition owner; monitoring the status of the respective partitions to determine whether there is a partition in which the memory space is exhausted; and if there is a partition in which the memory space is exhausted, determining that the memory leak may occur in the partition and analyzing the partition to obtain leaked objects and objects related to the leaked objects. The present invention also provides a partition-based apparatus for diagnosing memory leak in Java systems.Type: GrantFiled: July 1, 2008Date of Patent: July 8, 2014Assignee: International Business Machines CorporationInventors: Ying Li, Quan Long, Tiancheng Lui, Jie Qiu
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Patent number: 8625286Abstract: A housing of a portable electronic device includes a first frame unit, a second frame unit, and a panel unit. The first frame unit includes a plurality of retaining members. The second frame unit includes a plurality of fastening members. The panel unit includes a plurality of holding members corresponding to the retaining members and a plurality of assembling members corresponding to the fastening member. The retaining members and the holding members are correspondingly assembled together to assemble the first frame unit to the panel unit, and the fastening members and the assembling members are correspondingly assembled together to assemble the second frame unit to the panel unit.Type: GrantFiled: September 9, 2010Date of Patent: January 7, 2014Assignees: Shenzhen Futaihong Precision Industry Co., Ltd., FIH (Hong Kong) LimitedInventors: Jun Shen, Hai-Feng Zhu, Ping Gao, Quan-Long Chen
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Patent number: 8576495Abstract: A zoom lens includes a first lens unit, a second lens unit, a third lens unit and a fourth lens unit. The third lens unit includes a movable barrel, a first slidable member able to move in a first direction perpendicular to the optical axis, and a second slidable member able to move along a second direction perpendicular to the optical axis and also perpendicular to the first direction. The movable barrel includes a first Hall member and a first coil, the first slidable member comprises a second Hall member and a second coil. A first magnet is aligned with the first coil, and a second magnet is aligned with the second coil, both coils can be independently energized to compensate any shaking movements experienced by the Hall members.Type: GrantFiled: March 23, 2012Date of Patent: November 5, 2013Assignees: Premier Image Technology (China) Ltd., Hon Hai Precision Industry Co., Ltd.Inventors: Zi-Yuan Li, Jun-Jie Li, Jian-Jun Zhang, Li-Hui He, Quan-Long Tang, Xiao-Tian Kang
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Patent number: 8479162Abstract: A method and apparatus for locating a memory leak in a program code by a computer device using a combination of dynamic analysis and static analysis approaches. The method includes dynamically analyzing the program to determine a memory leak characteristic; filtering out items which do not match the determined memory leak characteristic of the program to reduce a static analysis range to certain suspicious parts of a source code; and statically analyzing the suspicious parts of the program to locate the memory leak in the program. The apparatus includes a dynamic analyzer device to determine memory leak characteristics; and a static analyzer device to filter out items which do not match the determined memory leak characteristic to reduce a static analysis range to certain suspicious parts of a source code and locate the memory leak in the program.Type: GrantFiled: July 29, 2009Date of Patent: July 2, 2013Assignee: International Business Machines CorporationInventors: Ying Li, Tian Cheng Liu, Quan Long, Jing Luo, Cheng Wei Wang
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Publication number: 20130141799Abstract: A zoom lens includes a first lens unit, a second lens unit, a third lens unit and a fourth lens unit. The third lens unit includes a movable barrel, a first slidable member able to move in a first direction perpendicular to the optical axis, and a second slidable member able to move along a second direction perpendicular to the optical axis and also perpendicular to the first direction. The movable barrel includes a first Hall member and a first coil, the first slidable member comprises a second Hall member and a second coil. A first magnet is aligned with the first coil, and a second magnet is aligned with the second coil, both coils can be independently energized to compensate any shaking movements experienced by the Hall members.Type: ApplicationFiled: March 23, 2012Publication date: June 6, 2013Applicants: HON HAI PRECISION INDUSTRY CO., LTD., PREMIER IMAGE TECHNOLOGY(China) LTD.Inventors: Zi-Yuan LI, Jun-Jie LI, Jian-Jun ZHANG, Li-Hui HE, Quan-Long TANG, Xiao-Tian KANG
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Patent number: 8453333Abstract: A blade head assembly for a hand-held hair cutting appliance includes a blade clamping device urging a cutting edge margin of a second blade in sliding engagement with a cutting edge margin of a first blade. The blade clamping device includes a clamping head operable for pivoting generally toward and generally away from the second blade about a pivot axis. The clamping head is resiliently biased generally toward the second cutting blade about the pivot axis into sliding engagement with the second blade. The second blade is slidable relative to the clamping head during reciprocating movement of the second blade relative to the first blade.Type: GrantFiled: May 28, 2010Date of Patent: June 4, 2013Assignee: Rovcal, Inc.Inventors: Quan Long, Wing Hong Chan
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Patent number: 8065462Abstract: A communication interface facilitates connection of a plurality of wireless USB compatible hosts with at least a WUSB device in a wireless USB environment at the same time. The communication interface includes a host detector that detects the presence of an active host or a plurality of active hosts, a host communicator for establishing wireless USB connection with a plurality of hosts, and a controller for causing time division multiplexed (TDM) data communication between active hosts and at least one device.Type: GrantFiled: April 3, 2008Date of Patent: November 22, 2011Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.Inventors: Man Chi Chan, Chi Fai Jack Tang, Quan Long Ding
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Publication number: 20110227464Abstract: A housing of a portable electronic device includes a first frame unit, a second frame unit, and a panel unit. The first frame unit includes a plurality of retaining members. The second frame unit includes a plurality of fastening members. The panel unit includes a plurality of holding members corresponding to the retaining members and a plurality of assembling members corresponding to the fastening member. The retaining members and the holding members are correspondingly assembled together to assemble the first frame unit to the panel unit, and the fastening members and the assembling members are correspondingly assembled together to assemble the second frame unit to the panel unit.Type: ApplicationFiled: September 9, 2010Publication date: September 22, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: Jun SHEN, Hai-Feng ZHU, Ping GAO, Quan-Long CHEN
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Publication number: 20110194263Abstract: A holder for a surface contact card includes a housing, a tray and an ejecting mechanism. The housing defines a receiving groove. The tray is slidably received in the receiving groove. The ejecting mechanism is positioned on the housing and automatically ejects the tray from the receiving groove.Type: ApplicationFiled: June 29, 2010Publication date: August 11, 2011Applicants: SHENZHEN FUTAIHONG PRECISION INDUSTRY CO., LTD., FIH (HONG KONG) LIMITEDInventors: JUN SHEN, PING GAO, HAI-FENG ZHU, QUAN-LONG CHEN, XIU-WEN YANG
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Publication number: 20100031238Abstract: A method and apparatus for locating a memory leak in a program code by a computer device using a combination of dynamic analysis and static analysis approaches. The method includes dynamically analyzing the program to determine a memory leak characteristic; filtering out items which do not match the determined memory leak characteristic of the program to reduce a static analysis range to certain suspicious parts of a source code; and statically analyzing the suspicious parts of the program to locate the memory leak in the program. The apparatus includes a dynamic analyzer device to determine memory leak characteristics; and a static analyzer device to filter out items which do not match the determined memory leak characteristic to reduce a static analysis range to certain suspicious parts of a source code and locate the memory leak in the program.Type: ApplicationFiled: July 29, 2009Publication date: February 4, 2010Applicant: INTERNATIONAL BUSINESS MACHINES CORPORATIONInventors: Ying Li, Tian Cheng Liu, Quan Long, Jing Luo, Cheng Wei Wang
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Publication number: 20100027523Abstract: A communication interface facilitates connection of a plurality of wireless USB compatible hosts with at least a WUSB device in a wireless USB environment at the same time. The communication interface includes a host detector that detects the presence of an active host or a plurality of active hosts, a host communicator for establishing wireless USB connection with a plurality of hosts, and a controller for causing time division multiplexed (TDM) data communication between active hosts and at least one device.Type: ApplicationFiled: April 3, 2008Publication date: February 4, 2010Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.Inventors: Man Chi Chan, Chi Fai Jack Tang, Quan Long Ding