Patents by Inventor Li-Chun Wu

Li-Chun Wu 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).

  • Patent number: 7517254
    Abstract: A modular jack assembly (1) for being mounted on a mother board (4) and engaging with a mating plug. The modular jack has a number of terminal modules (3), an insulative housing (2), an outer shield (6) surrounding the insulative housing (2) and a power over ethernet assembly (33). The terminal module is provided with a base element (310) having a front portion (3101), a rear portion (3102), a top portion (3103), a side portion (3107) and a number of connecting terminals (35) mounted thereon. The terminal module further includes a pair of daughter boards (311) attached to the side portions of the base element, a contacting module (30) assembled to the front portion and a connecting element (32) mounted to the rear portion.
    Type: Grant
    Filed: March 5, 2008
    Date of Patent: April 14, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Hong-Bo Zhang, Zheng-Hua Xu, Li-Chun Wu
  • Publication number: 20090093154
    Abstract: A modular jack (100) for receiving a mating plug includes a visual indicator (3) having a lighting pipe (31), a pair of pins (32) extending from the lighting pipe and a separate guiding pipe (33), and an insulative housing (1) including a front face (1), an opposite rear face (13), side faces (12) connecting with the front face and rear face. The insulative housing defines a pipe slot (152) extending through the front face and the side face for receiving the guiding pipe, and further has a receiving channel (152) in communication with the pipe slot for receiving the lighting pipe and a number of pin slots (151) extending rearwardly and through the rear face of the housing for receiving the pins.
    Type: Application
    Filed: September 29, 2008
    Publication date: April 9, 2009
    Inventors: Hui-Juan Shen, Qing Wan, Li-Chun Wu
  • Patent number: 7510441
    Abstract: An electrical connector (200) for engaging with a mating plug includes a terminal module (400) having an insulative insert (401) and rows of terminals (4) mounted to the insulative insert, a base element (300) and a daughter board (600) attached to a side face of the base element. The base element has a pair of opposite contacting portions (301) disposed on a front section thereof and a cutout (10) defined between the pair of contacting portions. The cutout is configured to cooperate with the terminal module with an inner edge (31) engaging to a corresponding passage (81) defined on a rear face of the insulative insert.
    Type: Grant
    Filed: March 3, 2008
    Date of Patent: March 31, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Hong-Bo Zhang, Zheng-Hua Xu, Li-Chun Wu
  • Publication number: 20090081907
    Abstract: An electrical connector (1) for electrically connecting with a modular plug (2) includes an insulative housing (10) having a receiving cavity (100) and a resisting block (126) formed in the receiving cavity and having a curved surface (122). A number of contacts (20) is mounted in the receiving cavity. Each contact has a mating portion (21) extending into the receiving cavity and cantilevered above the resisting block. The modular plug is engaged with the mating portion and presses the mating portion to the resisting block when the modular plug is inserted into the receiving cavity. When the plug connector is inserted into the receiving cavity, the mating potion abuts against the curved surface.
    Type: Application
    Filed: September 22, 2008
    Publication date: March 26, 2009
    Inventors: Hui-Juan Shen, Qing Wan, She-Min Cai, Li-Chun Wu
  • Publication number: 20090053933
    Abstract: An electrical connector (100) has an insulative housing (10) including a top wall (12), a bottom wall (13) and a pair of opposite side walls (14), an upper shell (31) and a lower shell (32) locking with the upper shell. The upper shell has a top plate (311) and a pair of side plates (312) at least partially enclose the bottom and the side walls of the housing. The upper shell has a bottom plate (321) and a pair of side wings (322) at least partially enclosing the top and the side walls of the housing. Each side wall of the insulative housing includes a flange portion (17) protruding outwardly therefrom. The side wing of the lower shell are guided onto the side plates of the upper shell by the flange portions and partially overlapping with the upper shell.
    Type: Application
    Filed: August 21, 2008
    Publication date: February 26, 2009
    Inventors: Hui-Juan Shen, Qing Wan, Li-Chun Wu
  • Publication number: 20090040118
    Abstract: An electronic device (100) includes a metal shell (1) having a number of walls (11,12) and an antenna unit (3). The metal wall has an interior space (17) defined therebetween, at least one recess (110) defined on one of the wall (11), and a mating member (111) disposed around the recess and extending into the interior space. The antenna unit is received in the recess and has a locating portion (36) extending from a side portion thereof and pivotably engaging with the mating member. When the antenna unit is rotated from a closed position to an opening position, another side portion of the antenna unit extends outward from the recess.
    Type: Application
    Filed: August 11, 2008
    Publication date: February 12, 2009
    Inventors: John Chow, Li-chun Wu, Der-Chung Hwang, Yun-Cheng Hou, Fang-Chi Huang, Wen-Zhao Huang
  • Patent number: 7485004
    Abstract: An electrical connector (1) has a base portion (22), a number of terminals (3) mounted to the base portion, a first circuit board (42) assembled to the base portion, a substrate paralleled with the base portion and a number of pins (212) mounted on the substrate and a second circuit board (41) electrically engaging with the number of pins. The first and the second circuit boards together defines a receiving space (6). The electrical connector further has a number of electrical elements (5) received in the receiving space and together electrically connecting with the first circuit board and the second circuit board.
    Type: Grant
    Filed: January 17, 2008
    Date of Patent: February 3, 2009
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Zhi-Jian Liu, Zheng-Hua Xu, Li-Chun Wu
  • Publication number: 20080248695
    Abstract: A modular jack (100) adapted for receiving a pair of mating connectors includes an insulative housing (1) having a pair of cavities (10) for receiving the corresponding mating connectors, a number of terminal modules (3) received in the cavities for electrically connecting with the mating connector, and a conductive outer shield (2) enclosing the corresponding insulative housing. The modular jack further has a detachable grounding member (7) made from conductive material and electrically connected with the conductive outer shield for grounding. The grounding member has a number of contacting plates (7121,7131,7141) extending into the corresponding cavities for connecting and grounding the corresponding mating connectors.
    Type: Application
    Filed: June 10, 2008
    Publication date: October 9, 2008
    Inventors: Jun-Hua Hu, Qing Wan, Li-Chun Wu
  • Publication number: 20080220656
    Abstract: A modular jack assembly (1) for being mounted on a mother board (4) and engaging with a mating plug. The modular jack has a number of terminal modules (3), an insulative housing (2), an outer shield (6) surrounding the insulative housing (2) and a power over ethernet assembly (33). The terminal module is provided with a base element (310) having a front portion (3101), a rear portion (3102), a top portion (3103), a side portion (3107) and a number of connecting terminals (35) mounted thereon. The terminal module further includes a pair of daughter boards (311) attached to the side portions of the base element, a contacting module (30) assembled to the front portion and a connecting element (32) mounted to the rear portion.
    Type: Application
    Filed: March 5, 2008
    Publication date: September 11, 2008
    Inventors: Hong-Bo Zhang, Zheng-Hua Xu, Li-Chun Wu
  • Publication number: 20080214057
    Abstract: A modular jack assembly for being mounted on a mother board (4) and engaging with a mating plug. The modular jack includes a terminal module (3) having a base element (310) and a power over ethernet assembly (33) mounted to the base element. The base element defines a number of terminal slots (3132) and has a number of connecting terminals (35) mounted thereto. Each connecting terminal has a first end (351) exposed at a side of the base element and a second end (352) connected with the power over ethernet assembly.
    Type: Application
    Filed: March 3, 2008
    Publication date: September 4, 2008
    Inventors: Hong-Bo Zhang, Zheng-Hua Xu, Li-Chun Wu
  • Publication number: 20080214060
    Abstract: An electrical connector (200) for engaging with a mating plug includes a terminal module (400) having an insulative insert (401) and rows of terminals (4) mounted to the insulative insert, a base element (300) and a daughter board (600) attached to a side face of the base element. The base element has a pair of opposite contacting portions (301) disposed on a front section thereof and a cutout (10) defined between the pair of contacting portions. The cutout is configured to cooperate with the terminal module with an inner edge (31) engaging to a corresponding passage (81) defined on a rear face of the insulative insert.
    Type: Application
    Filed: March 3, 2008
    Publication date: September 4, 2008
    Inventors: Hong-Bo Zhang, Zheng-Hua Xu, Li-Chun Wu
  • Publication number: 20080194140
    Abstract: A modular jack assembly includes first and second contact-holding inserts (10, 20) having first and second groups of interengaging elements (11 and 21, 12 and 22) between opposite bottom surfaces thereof. The first and second groups of interengaging elements are configured to interferentially engage the first contact-holding insert (10) with the second contact-holding insert (20) in respective first and second lateral and horizontal positioning directions (A, B). The second lateral and horizontal positioning direction (B) extends at approximately 90 degrees. from the first lateral and horizontal positioning direction (A). This arrangement will result in a reliable and stable positioning of the first contact-holding insert with respect to the second contact-holding insert.
    Type: Application
    Filed: February 7, 2008
    Publication date: August 14, 2008
    Inventors: Hong-Bo Zhang, Zheng-Hua Xu, Li-Chun Wu
  • Publication number: 20080176462
    Abstract: An electrical connector having a terminal module (1) engaging with a mating plug. The terminal module has a number of terminals (3) for electrically connecting with the mating plug and a base portion (2) having a first planar portion (23). The first planar portion includes two arrays of protrusions (21) parallel with each other, a receiving space (20) defined between the two arrays of protrusions and a number of recesses (200) each formed between two adjacent protrusions and communicating with the receiving space. The protrusion has a pair of side faces (221) each having a rib (211) formed thereon for engaging with the terminals.
    Type: Application
    Filed: January 18, 2008
    Publication date: July 24, 2008
    Inventors: Zhi-Jian Liu, Zheng-Hua Xu, Li-Chun Wu
  • Publication number: 20080171454
    Abstract: An electrical connector (1) has a base portion (22), a number of terminals (3) mounted to the base portion, a first circuit board (42) assembled to the base portion, a substrate paralleled with the base portion and a number of pins (212) mounted on the substrate and a second circuit board (41) electrically engaging with the number of pins. The first and the second circuit boards together defines a receiving space (6). The electrical connector further has a number of electrical elements (5) received in the receiving space and together electrically connecting with the first circuit board and the second circuit board.
    Type: Application
    Filed: January 17, 2008
    Publication date: July 17, 2008
    Inventors: Zhi-Jian Liu, Zheng-Hua Xu, Li-Chun Wu
  • Patent number: 7393238
    Abstract: A modular jack (100) includes a number of visual indicators (40), an insulative housing (10) having a pair of receiving spaces (11, 12), a number of retention sections (101) for engaging with the visual indicators and a terminal module (20). The retention section defines an opening, a rear wall (16), a bottom wall (14), a pair of side walls (17), a cantilevered arm (15) including a top surface (151) and a wedge-shaped bottom surface (152). The top surface has a second ramp (155) extending forwardly and downwardly. The bottom surface has a contacting portion (153) for resisting against the visual indicator and a first ramp (154) rearwardly upwardly extending from the contacting portion.
    Type: Grant
    Filed: August 1, 2007
    Date of Patent: July 1, 2008
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Wan-Li Xuan, Qing Wan, Li-Chun Wu
  • Patent number: 7384310
    Abstract: An electrical connector (100) mounted on an outer PCB for mating with corresponding plugs includes an insulative housing (1), a couple of contact modules (3) and a metal shield (2) enclosing the insulative housing. The housing includes a first plug-receiving cavity (101) and a second plug-receiving cavity (102) stacked under the first cavity (101). The contact modules (3) include a number of conductive contacts (33) defining a plurality of inclined contact portions (331) extending into the cavities (101, 102). The metal shield includes a planar top face (21), a pair of side face (22) integrally extending downward from the lateral edges of the top face, and a slant rear face (23) integrally bending from the side face. A lower edge of said side face is larger than an upper edge of the side face in a plug insertion direction.
    Type: Grant
    Filed: February 20, 2007
    Date of Patent: June 10, 2008
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Jun-Hua Hu, Qing Wan, Li-Chun Wu
  • Publication number: 20080032546
    Abstract: A modular jack (100) includes a number of visual indicators (40), an insulative housing (10) having a pair of receiving spaces (11, 12), a number of retention sections (101) for engaging with the visual indicators and a terminal module (20). The retention section defines an opening, a rear wall (16), a bottom wall (14), a pair of side walls (17), a cantilevered arm (15) including a top surface (151) and a wedge-shaped bottom surface (152). The top surface has a second ramp (155) extending forwardly and downwardly. The bottom surface has a contacting portion (153) for resisting against the visual indicator and a first ramp (154) rearwardly upwardly extending from the contacting portion.
    Type: Application
    Filed: August 1, 2007
    Publication date: February 7, 2008
    Inventors: Wan-Li Xuan, Qing Wan, Li-Chun Wu
  • Publication number: 20070197073
    Abstract: An electrical connector (100) mounted on an outer PCB for mating with corresponding plugs includes an insulative housing (1), a couple of contact modules (3) and a metal shield (2) enclosing the insulative housing. The housing includes a first plug-receiving cavity (101) and a second plug-receiving cavity (102) stacked under the first cavity (101). The contact modules (3) include a number of conductive contacts (33) defining a plurality of inclined contact portions (331) extending into the cavities (101, 102). The metal shield includes a planar top face (21), a pair of side face (22) integrally extending downward from the lateral edges of the top face, and a slant rear face (23) integrally bending from the side face. A lower edge of said side face is larger than an upper edge of the side face in a plug insertion direction.
    Type: Application
    Filed: February 20, 2007
    Publication date: August 23, 2007
    Inventors: Jun-Hua Hu, Qing Wan, Li-Chun Wu
  • Publication number: 20070042643
    Abstract: This invention is related to an electrical connector assembly (10), the electrical connector assembly includes an insulative housing (1) defining a first aperture (112) and a second aperture (111) therein for receiving a complementary USB connector and a complementary RJ-45 connector respectively, a contact module (2) received in the insulative housing, an inner shield inserted in the first aperture along a mating direction of the mating of the complementary USB connector, and an outer shield (4) enclosing the insulative housing. The inner shield has two opposite plates and a plates-interconnecting section sandwiched between the outer shield and the insulative housing.
    Type: Application
    Filed: December 30, 2005
    Publication date: February 22, 2007
    Inventors: Dao-Kuan Zhang, Qing Wan, Li-Chun Wu
  • Patent number: 7168985
    Abstract: This invention is related to an electrical connector assembly (10), the electrical connector assembly includes an insulative housing (1) defining a first aperture (112) and a second aperture (111) therein for receiving a complementary USB connector and a complementary RJ-45 connector respectively, a contact module (2) received in the insulative housing, an inner shield inserted in the first aperture along a mating direction of the mating of the complementary USB connector, and an outer shield (4) enclosing the insulative housing. The inner shield has two opposite plates and a plates-interconnecting section sandwiched between the outer shield and the insulative housing.
    Type: Grant
    Filed: December 30, 2005
    Date of Patent: January 30, 2007
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Dao-Kuan Zhang, Qing Wan, Li-Chun Wu