Patents by Inventor Guohua Zhang

Guohua Zhang 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: 7108558
    Abstract: A card connector includes an insulating housing defining at least two adjacent card cavities; a number of card contacts are retained in the housing and divided into at least two groups to expose to corresponding card cavities; and at least one controlling member is disposed on the housing between the two card cavities, and a stopper is deflected between the two car cavities and protruding into one card cavity once a card inserted into the other car cavity, and a resilient portion is for urging the stopper to resume its original position once the card withdrew from the other cavity.
    Type: Grant
    Filed: April 27, 2005
    Date of Patent: September 19, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: ZiQiang Zhu, JinKui Hu, GuoHua Zhang
  • Patent number: 7108553
    Abstract: A memory card connector (100) includes an insulative housing (1), a housing shield (2) enclosing the housing and a circuit module (3) with a plurality of conductive terminals. The insulative housing includes a generally U-shape body portion (10). The insulative housing has a first and second locking barbs (120, 122) in a side thereof. The housing shield is composed of an upper and a lower cover plates (20, 21). The lower cover plate forms an upwardly bent first latch portion (24) for engaging with the first locking barb of the housing. The upper cover plate forms a downwardly bent second latch portion (25) for latching the second locking barb of the housing, thereby securely holding the housing in the shield.
    Type: Grant
    Filed: September 13, 2004
    Date of Patent: September 19, 2006
    Assignee: Hon Hai Precision Ind. Co., LTD
    Inventors: ZiQiang Zhu, Guohua Zhang, Kechang Wei
  • Patent number: 7083451
    Abstract: An electrical connector (1) has a first port (11) with a number of first terminals (21) received therein, a second port (12) with a number of second terminals (22) received therein, a number of third terminals (23) located between the first and second terminals and a moveable port switch (30) assembled to the first and second ports. Each of said first and second terminals defines a tail portion (212, 222) extending outside the first and second ports, respectively. The port switch can drive the tail portions of the first and second terminals to electrically connect with the third terminals, respectively and alternately.
    Type: Grant
    Filed: July 5, 2005
    Date of Patent: August 1, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: ZiQiang Zhu, Guohua Zhang, WenKe He
  • Patent number: 7081023
    Abstract: A jack (1) connector comprises an insulating housing (10), a plurality of different contacts (21), (22), (23), (24), and an optical device (30). The insulative housing comprises a mating portion (11), a mounting portion (12), side portions (13), and a cavity space (14). The mating portion defines an opening (111) extending therethrough and communicating with the cavity space. The contacts are retained in the insulative housing, each contact having an upper end received in the cavity space and a tail end. The optical device is installed in the insulative housing and has an engaging portion for contacting an optical fiber plug connector, and a number of tail portions. A first distance between the engaging portion and the mating portion is longer than a second distance between the upper end of the contact and the mating portion.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: July 25, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Guohua Zhang, HongQiang Han, ZiQiang Zhu
  • Patent number: 7066769
    Abstract: An electrical connector (1) includes an insulative housing (10), a plurality of conductive contacts (20) being received in the insulative housing and a metal shield (30) enclosing the housing. The insulative housing includes a base portion (11) and a tongue portion (12) forwardly extending from the base portion. The tongue portion defines a plurality of channels (13) in a bottom surface thereof. The base portion defines a pair of notches (14) adjacent to the channels. The conductive contacts includes four first conductive contacts (21) being received in the channels and dual second conductive contacts (22) being received in the notches.
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: June 27, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: ZiQiang Zhu, Guohua Zhang, Wenke He, Yulong Mao, Bo Liu
  • Publication number: 20060134947
    Abstract: An electrical card connector (100) for compatibly electrically connecting with a number of electronic cards (5), includes an insulator (1) defining a number of recesses (111, 112, 113, 114) for insertion of the electronic cards, a number of contacts (2) assembled to the insulator (1) and a protective device (3) provided with a pair of resilient arms (312). Each resilient arm is formed with a hook (3121) engageable with the insulator. The protective device slides to expose the contacts when a suitable card is inserted.
    Type: Application
    Filed: December 19, 2005
    Publication date: June 22, 2006
    Inventors: ZiQiang Zhu, Jinkui Hu, Guohua Zhang
  • Publication number: 20060116003
    Abstract: An electronic card assembly comprising a circuit board (1) interposed between two shells (4,5), an insulative frame (3) supporting said circuit board and comprising a pair of protrusions (35) oppositely formed at a front end thereof, a connector (2) assembled to the insulative frame and comprising conductive contacts electrically connecting with the circuit board. A receiving section (34) is integrally disposed at the rear end of the insulative frame. The connector has a longitudinal base (20) and a pair of L-shaped arms (21) extend from opposite sides of the base. A pair of connecting blocks (25) are oppositely disposed at each arm and a slot (23) is provided between each block and the base. The slots receive respective protrusion therein to thereby secure the connector to the insulative frame.
    Type: Application
    Filed: August 26, 2005
    Publication date: June 1, 2006
    Inventors: Ming Ge, GuoHua Zhang, ZiQiang Zhu
  • Patent number: 7052322
    Abstract: An electrical connector (1) includes an insulative housing (10), a number of contacts (20) received in the housing, an inner shell (30) and an outer shell (40) covering the housing. The housing defines a partition (13) extending forwardly. The outer shell defines a pair of concaves (46) and a pair of resilient grounding tabs (411) extending upwardly therefrom for contacting with a metal panel of a personal computer to establish ground connections. The inner shell surrounds the partition with a pair of tangs (33) engaging in the concaves of the outer shell.
    Type: Grant
    Filed: December 28, 2004
    Date of Patent: May 30, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Jinkui Hu, Guohua Zhang, ZiQiang Zhu
  • Patent number: 7052330
    Abstract: An electrical connector includes an insulative housing (4), an insulative carrier (1), a spring (3) and a pair of conductive contacts (2). The insulative housing has a base (41) and a periphery wall enclosing therearound and defines a cavity therein. The base has a post (414) formed thereon. The carrier engages with the insulative housing and has a projection (12) formed on an upper surface thereof. The spring couples with the post and abuts the carrier. The conductive contacts are received in the cavity and each includes a contacting portion (21) extending upwardly and engaging with the projection.
    Type: Grant
    Filed: November 4, 2004
    Date of Patent: May 30, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: ZiQiang Zhu, Guohua Zhang
  • Patent number: 7044790
    Abstract: An electrical connector (1) includes an insulative housing (10), a terminal subassembly (90) having a number of terminals (20, 30) received in the insulative housing, an inner shell (60) received in the insulative housing, an outer shell (71) enclosing the insulative housing and a shielding clip (80) assembled on the insulative housing. The clip includes an inner contacting portion (83) for electrically connecting with inner shell and an outer contacting portion (82) for electrically connecting with the outer shell.
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: May 16, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: ZiQiang Zhu, Jinkui Hu, Guohua Zhang
  • Patent number: 7044804
    Abstract: An optical-electric connector (1) has an insulative housing (10), a number of contacts (21, 22, 23, 24, 25) received in the housing, a spacer (15) and an optical-electric converter (30) assembled in the housing. The housing defines a receiving space (14) for receiving a mating plug and a plurality of passageways (16) for receiving the contacts. The spacer is installed in a rear side of the insulative housing for covering the receiving space. The spacer has a supporting body formed at an inner wall thereof for accommodating the optical-electric converter thereon.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: May 16, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Hongqiang Han, Guohua Zhang, ZiQiang Zhu
  • Patent number: 7026546
    Abstract: A printed circuit card kit (1) comprises a frame (2), an end cover (6), a rectangular lower cover (3), a rectangular upper cover (4), and a pair of side covers (5). The upper cover and the lower cover comprise respectively a pair of edges defining a number of openings (420,320). The frame has two side rails (22) defining a number of recesses (230). The side covers have a number of projections (50) respectively aligned with the openings and recesses. Assembling the end cover to an end of the frame, assembling the upper and lower covers to the frame and assembling the pair of side covers to the side rails of the frame. Therefore, the projections pass the openings and to be retained in the recesses.
    Type: Grant
    Filed: September 16, 2004
    Date of Patent: April 11, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Ming Ge, Guohua Zhang, ZiQiang Zhu
  • Patent number: 7025632
    Abstract: An electrical connector (1) includes a dielectric housing (12), a number of first and second terminals (20, 30) received in the dielectric housing respectively and a spacer (25) assembled onto the dielectric housing. Each terminal comprises a contact portion (22, 32) adapted for engaging with a complementary connector and an intermediate portion (21, 31) extending from the contact portion. The intermediate portion (21) of the first terminal is insert-molded in the spacer. The intermediate portion (31) of the second terminal is sandwiched between the dielectric housing and the spacer.
    Type: Grant
    Filed: July 12, 2004
    Date of Patent: April 11, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Jinkui Hu, Guohua Zhang, ZiQiang Zhu
  • Patent number: 7018237
    Abstract: An electrical connector (100) includes an insulative housing (1), a number of contacts (3), a shielding device (40) and a pair of latch members (2). The shielding device includes a first and a second shielding portions (4, 5) assembled to the housing. The first shielding portion includes a body (41), a frame (42) extending forwardly from the body, and a number of elastic plates (44) extending rearwardly from an upper end of the body. Each elastic plate has an abutting portion (441). The second shielding portion has a top wall (51), a rear wall (52), and two side walls (53). The top wall defines a number of concaves (55) mating with the abutting portions of the elastic plates.
    Type: Grant
    Filed: July 30, 2004
    Date of Patent: March 28, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Hui Zhan, Jinkui Hu, Guohua Zhang
  • Publication number: 20060025019
    Abstract: A card connector includes an insulating housing defining at least two adjacent card cavities; a number of card contacts are retained in the housing and divided into at least two groups to expose to corresponding card cavities; and at least one controlling member is disposed on the housing between the two card cavities, and a stopper is deflected between the two car cavities and protruding into one card cavity once a card inserted into the other car cavity, and a resilient portion is for urging the stopper to resume its original position once the card withdrew from the other cavity.
    Type: Application
    Filed: April 27, 2005
    Publication date: February 2, 2006
    Inventors: ZiQiang Zhu, JinKui Hu, GuoHua Zhang
  • Publication number: 20060009084
    Abstract: An electrical connector (1) has a first port (11) with a number of first terminals (21) received therein, a second port (12) with a number of second terminals (22) received therein, a number of third terminals (23) located between the first and second terminals and a moveable port switch (30) assembled to the first and second ports. Each of said first and second terminals defines a tail portion (212, 222) extending outside the first and second ports, respectively. The port switch can drive the tail portions of the first and second terminals to electrically connect with the third terminals, respectively and alternately.
    Type: Application
    Filed: July 5, 2005
    Publication date: January 12, 2006
    Inventors: Ziqiang Zhu, Guohua Zhang, WenKe He
  • Patent number: 6971884
    Abstract: An electrical connector (100) includes an insulative housing (1) and a number of electrical contacts (2). The insulative housing includes a base (10) having a pair of side walls (13), a slot (15) formed between the two side walls, and a number of passageways (19) and recesses (17) both defined on the side walls. Each side wall has an outer face (132) and each recess extends from a corresponding passageway to the outer face. The electrical contacts are received in the passageways of the insulative housing.
    Type: Grant
    Filed: September 9, 2003
    Date of Patent: December 6, 2005
    Assignee: Hon Hai Precision Ind., Co., Ltd.
    Inventors: Qijum Zhao, Jinkui Hu, Guohua Zhang
  • Publication number: 20050260898
    Abstract: An electrical connector (1) mounted on a circuit board is provided for mating with an electric device. The electrical connector includes a dielectric housing (10) having a terminal passage (16), a pair of conductive contact elements (20) received in the housing, and a fixing pad (30) connecting the circuit board. Each conductive contact element includes a base portion (21) positioned in the terminal passage, a tail portion (22) arranged on one side of the housing for connecting with a circuit board, a contacting portion (24) which serves for contacting the electric device, and a spring portion (23) connecting the contacting portion resiliently to the base portion. The fixing pad is fixed to the other side of the housing for providing balanced force acted on the electrical connector during mating with the electric device.
    Type: Application
    Filed: December 30, 2004
    Publication date: November 24, 2005
    Inventors: YunLong Zhu, Guohua Zhang, Jinkui Hu
  • Patent number: D523436
    Type: Grant
    Filed: March 3, 2005
    Date of Patent: June 20, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Ming Ge, Guohua Zhang, ZiQiang Zhu
  • Patent number: D523813
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: June 27, 2006
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Wenke He, Guohua Zhang, ZiQiang Zhu