Patents by Inventor Chun XU
Chun XU 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: 8272898Abstract: An electrical connector system includes a substrate (1) connected to PHY side and an electrical connector (3) mounted on the substrate (1), a transformer (5) and a common mode filter (7). The electrical connector (3) is used to mate with a cable assembly and so forms a Cable side. The transformer (5) further includes a first wire (51) having two opposite ends electrically connected to the PHY side and a second wire (53) having two opposite ends. The common mode filter (7) has a third wire (73) and a fourth wire (75) that are physically separated from and electrically connected to opposite ends of the second wire (53).Type: GrantFiled: July 24, 2009Date of Patent: September 25, 2012Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: John Chow, Li-Chun Wu, Chao-Tung Huang, Chih-Min Lin, Jie Zhang, Yong-Chun Xu
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Patent number: 8251744Abstract: An electrical connector (100) to be mounted on a substrate provides signal channels between a first side and a second side. The electrical connector includes a transformer (210), a common mode filter (327) and a separated filter (328). The transformer includes a first wire (314) having two opposite ends electrically connected to said first side and a second wire (312) having two opposite ends and a center tap (313). The common mode filter includes a third wire (322) and a fourth wire (324), each of the third wire (322) and the fourth wire (324) having an end respectively electrically connected to the two opposite ends of the second wire (312). The separated filter (328) includes a fifth wire (326) separated from the common mode filter (327) and the transformer (310), the fifth wire (326) having an end electrically connected to the center tap (313) of the second wire (312). Opposite ends of the third, the fourth and the fifth wires (322, 324, 326) are electrically connected to the second side.Type: GrantFiled: April 2, 2010Date of Patent: August 28, 2012Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Chao-Tung Huang, Yong-Chun Xu
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Publication number: 20120171898Abstract: An electrical connector (100) includes an insulative housing (11), a terminal module received in the insulative housing and a shielding shell (17) enclosing the insulative housing. The terminal module having an inner circuit board (130) and a number of magnetic coils (132). The inner circuit board defines a groove (1300). Each of magnetic coils includes a core and a number of wires wound on the core and electrically connected with the inner circuit board. Each magnetic coil is at least partially received in the groove to save space for reducing profile of the connector.Type: ApplicationFiled: September 23, 2011Publication date: July 5, 2012Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: BING WANG, YONG-CHUN XU
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Patent number: 8162695Abstract: An electrical connector (100) includes an insulative housing (10) and a terminal module (20) received in the insulative housing. The terminal module includes a daughter board (21), a choke group, a number of mating terminals (24) mounted on a first side of the daughter board, and a connecting module (22) mounted on a second side the daughter board and having a number of connecting terminals (221). The choke group has a number of transformer chokes (23) mounted to the second side of the daughter board, and a number of surface mount device chokes (25) adapted for being applied in automatic manufacture and mounted the second side of the daughter board.Type: GrantFiled: April 2, 2009Date of Patent: April 24, 2012Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Jie Zhang, Chao-Tung Huang, Yong-Chun Xu, Xiao-Hua Liu
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Patent number: 8152567Abstract: A modular jack connector (100) includes a contact module (2) having a paddle board (22) formed with two conductive sections (28b). The contact module includes two transformers (24) each including a magnetic core (271) embedded in the paddle board, and a number of PCB layout traces distributed in the paddle board and including a first group of PCB layout traces having one group of tips extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips connected to the conductive section, and a second group of PCB layout traces having one group of tips extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips connected to the vias. The common mode chokes are surface mounted on the conductive section.Type: GrantFiled: May 25, 2010Date of Patent: April 10, 2012Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Li-Chun Wu, Chao-Tung Huang, Yong-Chun Xu, Jian-She Hu
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Publication number: 20120038444Abstract: A transformer (100) includes a bar-shaped core (5), a number of coils (7) comprising a first winding group (71, 72) and a second winding group (73, 74) wound around the core, a housing (1) receiving the core and the coils, and a number of conductive terminals (3) being secured in the housing. The first winding group and the second winding group wound around different parts of the core. The coils are soldered to the conductive terminals (3). The coils (7) are wound around the core automatically by an automatic winder. Therefore, the cost of manufacturing the transformer is decreased.Type: ApplicationFiled: August 15, 2011Publication date: February 16, 2012Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: LI-CHUN WU, YONG-CHUN XU, JIAN-SHE HU
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Patent number: 8020049Abstract: An Electrical Fast Transient/Burst (EFT/B) detection and recovery system for a Universal Serial Bus (USB) device. The system includes a USB core and a burst controller. The USB core provides serial communications with a host device through a USB data channel. The burst controller is coupled to the USB core. The burst controller detects an EFT/B event and automatically reconnects the USB core to the host device in response to recognition of a suspend state of the USB core by the host device.Type: GrantFiled: December 18, 2008Date of Patent: September 13, 2011Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.Inventors: John Julius Asuncion, Wai Keat Tai, Shan Chong Tan, Lian Chun Xu
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Patent number: 7993163Abstract: A modular jack connector (100) includes a contact module (2) having a paddle board (21) and a magnetic module (23). The magnetic module includes a number of magnetic cores (231) embedded in the paddle board, and a number of PCB layout traces (232, 233) arranged in each side face of the paddle board. The PCB layout traces on each side face includes a primary group of PCB layout traces (232a, 233a) having one group of tips (2322, 2331) extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips (2321, 2332) connected to a conductive section (2111, 2121) of the paddle board, and a secondary group of PCB layout traces (232b, 233b) having one group of tips (2323, 2333) extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips (2324, 2334) connected to vias of the paddle board.Type: GrantFiled: April 29, 2010Date of Patent: August 9, 2011Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Li-Chun Wu, Chao-Tung Huang, Yueh-Shan Shih, Jie Zhang, Yong-Chun Xu, Jian-She Hu
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Patent number: 7965277Abstract: An optical navigation system and method of controlling the light output power of the system uses an optical feedback system to control the driving signal being applied to a light source of the optical navigation system.Type: GrantFiled: December 22, 2006Date of Patent: June 21, 2011Assignee: Avago Technologies ECBU IP (Singapore) Pte. Ltd.Inventors: Kwang Beng Ooi, Shan Chong Tan, John Julius Asuncion, Lian Chun Xu
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Publication number: 20110122589Abstract: A magnetic element (100) includes a board unit (2) including a paddle board (21) having a row of first conductive vias (251) and a row of second conductive vias (252) for insertion of terminals (3), a number of embedded magnetic components (22), and a number of SMDs (surface mount devices) (23) mounted on the paddle board by SMT (surface mount technology). Each embedded magnetic component includes a magnetic core (221) embedded in the paddle board, and a number of PCB (printed circuit board) layout traces (222) disposed in the paddle board. Each PCB layout trace includes a first PCB layout trace (222a) encircling around the magnetic core and connecting with the first conductive via, and a second PCB layout trace (222b) encircling around the magnetic core and connecting with the SMD.Type: ApplicationFiled: November 22, 2010Publication date: May 26, 2011Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: LI-CHUN WU, YONG-CHUN XU, CHAO-TUNG HUANG, CHIH-MIN LIN, JIAN-SHE HU, KUO-CHUAN HUANG
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Patent number: 7940154Abstract: A choke module (100) for an insulative housing (2) includes a first and a second walls (23, 24) defining a first and a second receiving cavities (28, 29); a first set of contact terminals (4) arranged in the first wall, a second set of contact terminals (4) arranged in the second wall, a third set of contact terminals (5) disposed in the partition, a paddle board (6) having a number of conductive traces and attached to the insulative housing to interconnect the first and third set of contact terminals, a number of chokes (8) wound with wires which interconnects the first and second sets of contact terminals. The first and second contact terminal has a first and a second soldering portion (42) extending out of the housing and a first and a second mating portion (41) at the first wall.Type: GrantFiled: November 24, 2009Date of Patent: May 10, 2011Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: John Chow, Chih-Min Lin, Yong-Chun Xu, Jian-Ming Bu
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Publication number: 20110040407Abstract: Disclosed is a humanoid robot apparatus, method and computer-readable medium thereof related to lifting and holding a heavy object having a weight unknown to the robot, by measuring an external force acting on the robot. Linear momentum and rotational momentum are compensated for stepwise according to the degree of stability of the robot which is determined based on the measured external force. Accordingly, the robot stably lifts and holds the object without losing its balance.Type: ApplicationFiled: August 4, 2010Publication date: February 17, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bok Man LIM, Kyung Shik Roh, San Lim, Myung Hee Kim, Guo Chun Xu
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Publication number: 20110040405Abstract: Disclosed are an apparatus, a method and a computer-readable medium controlling whole-body operation of a humanoid robot. The humanoid robot recognizes a motion control code using binary data mapped according to a motion command represented by a language understood by a human to implement a whole-body operation. Since a control mode corresponding to a task space control and a control mode corresponding to a joint space control are used together to describe whole-body motion, the whole-body operation more similar to a human action may be easily implemented.Type: ApplicationFiled: August 6, 2010Publication date: February 17, 2011Applicant: SAMSUNG ELECTRONICS CO., LTD.Inventors: Bok Man LIM, Kyung Shik Roh, San Lim, Myung Hee Kim, Guo Chun Xu
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Patent number: 7841902Abstract: An electrical connector system includes a substrate (1) connected to PHY side and an electrical connector (3) mounted on the substrate (1), a transformer (5) and a common mode filter (7). The electrical connector (3) is used to mate with a cable assembly and so forms a Cable side. The transformer (5) further includes a first wire (51) having two opposite ends electrically connected to the PHY side and a second wire (53) having two opposite ends. The common mode filter (7) has a third wire (73) and a fourth wire (75) physically separated from the second wire (53). The third wire (73) has an end electrically connected to one end of the second wire (53) and an opposite end electrically connected to the Cable side. The fourth wire (75) has an end electrically connected to the opposite end of the second wire (53) and an opposite end electrically connected to the Cable side.Type: GrantFiled: September 9, 2009Date of Patent: November 30, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: John Chow, Li-Chun Wu, Chao-Tung Huang, Chih-Min Lin, Jie Zhang, Yong-Chun Xu
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Publication number: 20100297882Abstract: A modular jack connector (100) includes a contact module (2) having a paddle board (22) formed with two conductive sections (28b). The contact module includes two transformers (24) each including a magnetic core (271) embedded in the paddle board, and a number of PCB layout traces distributed in the paddle board and including a first group of PCB layout traces having one group of tips extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips connected to the conductive section, and a second group of PCB layout traces having one group of tips extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips connected to the vias. The common mode chokes are surface mounted on the conductive section.Type: ApplicationFiled: May 25, 2010Publication date: November 25, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: LI-CHUN WU, CHAO-TUNG HUANG, YONG-CHUN XU, JIAN-SHE HU
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Publication number: 20100279549Abstract: A modular jack connector (100) includes a contact module (2) having a paddle board (21) and a magnetic module (23). The magnetic module includes a number of magnetic cores (231) embedded in the paddle board, and a number of PCB layout traces (232, 233) arranged in each side face of the paddle board. The PCB layout traces on each side face includes a primary group of PCB layout traces (232a, 233a) having one group of tips (2322, 2331) extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips (2321, 2332) connected to a conductive section (2111, 2121) of the paddle board, and a secondary group of PCB layout traces (232b, 233b) having one group of tips (2323, 2333) extending to a position adjacent to corresponding magnetic core to form a magnetic field and another group of tips (2324, 2334) connected to vias of the paddle board.Type: ApplicationFiled: April 29, 2010Publication date: November 4, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: Li-Chun WU, Chao-Tung HUANG, Yueh-Shan SHIH, Jie ZHANG, Yong-Chun XU, Jian-She HU
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Patent number: 7819699Abstract: An electrical connector assembly has an insulative housing (2) defining a number of receiving spaces (24) and a number of contact modules (4) inserted in the receiving spaces. Each contact module comprises a first substrate (41) having a pair of substrate halves (411), and a pair of conductive units respectively mounted on corresponding substrate halves. The first substrate has a number of circuit traces formed thereon and one electronic component (415) disposed on one substrate half. The circuit traces is electrically connected with the pair of conductive units and the electronic component. The pair of conductive units share the electronic component commonly via the circuit traces.Type: GrantFiled: July 21, 2009Date of Patent: October 26, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Yong-Chun Xu, Hong-Bo Zhang
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Publication number: 20100255726Abstract: An electrical connector (100) to be mounted on a substrate provides signal channels between a first side and a second side. The electrical connector includes a transformer (210), a common mode filter (327) and a separated filter (328). The transformer includes a first wire (314) having two opposite ends electrically connected to said first side and a second wire (312) having two opposite ends and a center tap (313). The common mode filter includes a third wire (322) and a fourth wire (324), each of the third wire (322) and the fourth wire (324) having an end respectively electrically connected to the two opposite ends of the second wire (312). The separated filter (328) includes a fifth wire (326) separated from the common mode filter (327) and the transformer (310), the fifth wire (326) having an end electrically connected to the center tap (313) of the second wire (312). Opposite ends of the third, the fourth and the fifth wires (322, 324, 326) are electrically connected to the second side.Type: ApplicationFiled: April 2, 2010Publication date: October 7, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHAO-TUNG HUANG, YONG-CHUN XU
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Publication number: 20100226891Abstract: The present invention relates to a fusion protein in which a myostatin mature protein is fused to a multimer of myostatin-derived antigenic peptide Myo-2, a surface expression vector containing a polynucleotide encoding the fusion protein, a recombinant microorganism transformed with the vector, and a feedstuff additive or a pharmaceutical composition containing the microorganism as an effective ingredient. The feedstuff additive or pharmaceutical composition according to the present invention can be used for muscle development and regulation of muscle growth in livestock and poultry, as well as for preventing and treating muscle-wasting diseases and degenerative diseases such as muscular dystrophy, muscular atrophy and the like. In addition, the transformed strain shows the same effect even if the strain itself after culture thereof is directly used, and thus it is very economical.Type: ApplicationFiled: November 30, 2007Publication date: September 9, 2010Applicant: BIOLEADERS CORPORATIONInventors: Moon-Hee Sung, Chul Joong Kim, Haryoung Poo, Ji Yeon Kim, Young Suk Kim, Long Chun Xu
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Patent number: 7749027Abstract: An electrical connector system includes a substrate (1) connected to PHY side and an electrical connector (3) mounted on the substrate (1), a transformer (5) and a common mode filter (7). The electrical connector (3) is used to mate with a cable assembly and so forms a Cable side. The transformer (5) further includes a first wire (51) having two opposite ends electrically connected to the PHY side and a second wire (53) having two opposite ends. The common mode filter (7) has a third wire (73) and a fourth wire (75) physically separated from the second wire (53). The third wire (73) has an end electrically connected to one end of the second wire (53) and an opposite end electrically connected to the Cable side. The fourth wire (75) has an end electrically connected to the opposite end of the second wire (53) and an opposite end electrically connected to the Cable side.Type: GrantFiled: September 10, 2009Date of Patent: July 6, 2010Assignee: Hon Hai Precision Ind. Co., LtdInventors: John Chow, Li-Chun Wu, Chao-Tung Huang, Yong-Chun Xu, Chih-Min Lin, Jie Zhang