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: 6962508
    Abstract: An electrical card connector (100) for electrically connecting an electrical card with a printed circuit board includes an integral molded insulative housing (1) with a plurality of passageways (17) and a plurality of conductive contacts (2) received in the passageways. Each contact includes a main body (21), a contacting portion (22) for electrically contacting with the card, and a soldering portion (23) for soldering the electrical card connector to the printed circuit board. The integral insulative housing further includes a base member. The passageways are defined in the base member.
    Type: Grant
    Filed: December 1, 2004
    Date of Patent: November 8, 2005
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: HeSheng Fang, Guohua Zhang, ZiQiang Zhu
  • Publication number: 20050181671
    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: Application
    Filed: December 28, 2004
    Publication date: August 18, 2005
    Inventors: Jinkui Hu, Guohua Zhang, ZiQiang Zhu
  • Publication number: 20050176306
    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: Application
    Filed: December 28, 2004
    Publication date: August 11, 2005
    Inventors: Ziqiang Zhu, Guohua Zhang, Wenke He, Yulong Mao, Bo Liu
  • Publication number: 20050148218
    Abstract: An electrical connector (1) has an insulative housing (10) having a D-shaped mating portion (11), a number of first and second contacts (21, 22) received in the housing, and a metal shell (50) surrounds the mating portion of the housing. An inner printed circuit board (30) is assembled to the housing and connects the first and second contacts. The first and second contacts are electrical connecting with a complementary connector and an outer printed circuit board, respectively. The housing of the connector further has a pair of flanges (13) and a receiving space (16) defined between the flanges. The inner PCB defines a set of filter devices received in the receiving space.
    Type: Application
    Filed: December 28, 2004
    Publication date: July 7, 2005
    Inventors: Hesheng Fang, Guohua Zhang, ZiQiang Zhu
  • Publication number: 20050142949
    Abstract: An electrical card connector (100) for electrically connecting an electrical card with a printed circuit board includes an integral molded insulative housing (1) with a plurality of passageways (17) and a plurality of conductive contacts (2) received in the passageways. Each contact includes a main body (21), a contacting portion (22) for electrically contacting with the card, and a soldering portion (23) for soldering the electrical card connector to the printed circuit board. The integral insulative housing further includes a base member. The passageways are defined in the base member.
    Type: Application
    Filed: December 1, 2004
    Publication date: June 30, 2005
    Inventors: HeSheng Fang, Guohua Zhang, ZiQiang Zhu
  • Publication number: 20050112196
    Abstract: The invention relates to a rapidly disintegrating oral dosage formulation that contains a water insoluble or slightly water soluble neurological agent and method of preparing the rapidly disintegrating formulation wherein the formulation is designed to dissolve in the buccal cavity of the patient.
    Type: Application
    Filed: October 6, 2004
    Publication date: May 26, 2005
    Inventors: Jianbo Xie, Guohua Zhang, Xiu Cheng, Roger Carter
  • Publication number: 20050105856
    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: Application
    Filed: November 17, 2004
    Publication date: May 19, 2005
    Inventors: Honggiang Han, Guohua Zhang, ZiQiang Zhu
  • Publication number: 20050100285
    Abstract: An optical-electric connector (1) has an insulative housing (10), a plurality of contacts (21, 22, 23, 24, 25) received in the housing, 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. One of the resilient contacts forms an elastic contacting arm (212) extending into the receiving space and a retention section (211). A coil spring (214) is assembled between the retention section and the elastic contacting arm. The retention section of the contact securely holds the coil spring in its place.
    Type: Application
    Filed: November 4, 2004
    Publication date: May 12, 2005
    Inventors: Honggiang Han, Guohua Zhang, Ziqiang Zhu
  • Publication number: 20050101195
    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: Application
    Filed: November 4, 2004
    Publication date: May 12, 2005
    Inventors: ZiQiang Zhu, Guohua Zhang
  • Publication number: 20050095908
    Abstract: A stacked electrical connector has an insulative housing (1), a plurality of signal contacts (23, 26) and a pair of contacts (24, 27, 25, 28) retained in the housing. The housing defines a mounting surface (19) for mounting on a printed circuit board and a receiving space (12) for receiving a mating plug (9). The switch contact includes a base portion retained in the housing and a spring arm extending from the base portion. An insulative separator (245) is formed on one spring arm and projects into the receiving space. The separator is moveable in a plane vertical to the mounting surface. When the mating plug inserts into the receiving space, the separator rotates and drives one switch contact to connect with the other switch contact.
    Type: Application
    Filed: October 25, 2004
    Publication date: May 5, 2005
    Inventors: Zhang Xue, ZiQiang Zhu, Jinkui Hu, Guohua Zhang
  • Publication number: 20050059299
    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: Application
    Filed: September 13, 2004
    Publication date: March 17, 2005
    Inventors: ZiQiang Zhu, Guohua Zhang, Kechang Wei
  • Publication number: 20050057984
    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: Application
    Filed: September 16, 2004
    Publication date: March 17, 2005
    Inventors: Ming Ge, Guohua Zhang, ZiQiang Zhu
  • Publication number: 20050054220
    Abstract: An electronic card enclosure includes a frame (1), a first shell half (2), a second shell half (3) and a shield cover (4). The frame (1) is integrally formed as a rectangular member having a rear border (14), two side arms (12) and a front border (11). The shell half (2, 3) and the shield cover (4) are rectangular-shaped. In assembly, a pair of second rim edges (33) of the second shell half (3) secures a pair of first rim edges (22) of the first shell half (2) through accommodating the two side arms (12) of the frame (1) therewithin.
    Type: Application
    Filed: September 9, 2004
    Publication date: March 10, 2005
    Inventors: Ming Ge, Guohua Zhang, Zigiang Zhu
  • Patent number: 6863569
    Abstract: An electrical connector (1) includes a dielectric housing (12), a terminal subassembly (90), an inner shield (60) and an outer shield (70). The dielectric housing (12) includes a supporting portion (120) and a mating portion (138) defining a receiving space (124) above the supporting portion. The terminal subassembly includes first and second terminal modules (40, 80). The first and the second terminal modules respectively include first and second dielectric bodies (14, 16) retained in the receiving space and a number of first and second terminals (20, 30) received in the first and the second dielectric bodies. The first and the second dielectric bodies extend beyond the mating portion (138). The inner shield encloses the first and the second dielectric bodies and defines a first engaging space (2). The outer shield encircles the inner shield. The outer shield and the inner shield define a second engaging space (3) therebetween.
    Type: Grant
    Filed: July 30, 2003
    Date of Patent: March 8, 2005
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: ZiQiang Zhu, Jinkui Hu, Guohua Zhang
  • Publication number: 20050042923
    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 (50) 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: Application
    Filed: August 23, 2004
    Publication date: February 24, 2005
    Inventors: ZiQiang Zhu, Jinkui Hu, Guohua Zhang
  • Publication number: 20050026501
    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: Application
    Filed: July 30, 2004
    Publication date: February 3, 2005
    Inventors: Hui Zhan, Jinkui Hu, Guohua Zhang
  • Patent number: D507236
    Type: Grant
    Filed: February 13, 2004
    Date of Patent: July 12, 2005
    Assignee: Hon Hai Precision Ind. Co., LTD
    Inventors: Hong Qiang Han, Guohua Zhang, ZiQiang Zhu
  • Patent number: D508894
    Type: Grant
    Filed: February 24, 2004
    Date of Patent: August 30, 2005
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Qijun Zhao, Guohua Zhang, ZiQiang Zhu, Bo Liu, YuLong Mao
  • Patent number: D509191
    Type: Grant
    Filed: June 2, 2004
    Date of Patent: September 6, 2005
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Jinkui Hu, Guohua Zhang
  • Patent number: D509800
    Type: Grant
    Filed: August 23, 2004
    Date of Patent: September 20, 2005
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Jinkui Hu, Guohua Zhang, ZiQiang Zhu