Patents by Inventor Guo-Zhong Liu

Guo-Zhong Liu 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: 9204234
    Abstract: An audio testing system is configured for receiving an audio signal from an audio emitting device. The system samples the audio signal and obtains sampling points from the audio signal for determining if the audio signal has been distorted. A related method is also disclosed.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: December 1, 2015
    Assignees: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yi Lo, Guo-Zhong Liu, Hui-Ling Feng, Rui Deng
  • Patent number: 9204233
    Abstract: An audio testing system is configured for receiving an audio signal from the an audio emitting device. The system samples the audio signal and obtains sampling points from the audio signal for determining if the audio signal has been distorted. A related method is also disclosed.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: December 1, 2015
    Assignees: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Yi Lo, Guo-Zhong Liu, Hui-Ling Feng, Rui Deng
  • Patent number: 8363423
    Abstract: A mounting device for a printed circuit board includes a supporting board, a connecting piece and a mounting member. The supporting board includes non-metallic material. The connecting piece is configured to secures the supporting board to a chassis. The connecting piece has a connecting claw penetrating into the supporting board. The mounting member assembly is attached to the supporting board.
    Type: Grant
    Filed: October 12, 2010
    Date of Patent: January 29, 2013
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Yun-Lung Chen, Da-Long Sun, Guo-Zhong Liu
  • Publication number: 20120281846
    Abstract: An audio testing system is configured for receiving an audio signal from the an audio emitting device. The system samples the audio signal and obtains sampling points from the audio signal for determining if the audio signal has been distorted. A related method is also disclosed.
    Type: Application
    Filed: July 16, 2012
    Publication date: November 8, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
    Inventors: Yi LO, Guo-Zhong LIU, Hui-Ling FENG, Rui DENG
  • Publication number: 20120281847
    Abstract: An audio testing system is configured for receiving an audio signal from an audio emitting device. The system samples the audio signal and obtains sampling points from the audio signal for determining if the audio signal has been distorted. A related method is also disclosed.
    Type: Application
    Filed: July 16, 2012
    Publication date: November 8, 2012
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
    Inventors: Yi LO, Guo-Zhong LIU, Hui-Ling FENG, Rui DENG
  • Patent number: 8271113
    Abstract: An audio testing system is configured for receiving an audio signal from the an audio emitting device. The system samples the audio signal and obtains sampling points from the audio signal for determining if the audio signal has been distorted. A related method is also disclosed.
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: September 18, 2012
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Yi Lo, Guo-Zhong Liu, Hui-Ling Feng, Rui Deng
  • Publication number: 20110317376
    Abstract: A mounting device for a printed circuit board includes a supporting board, a connecting piece and a mounting member. The supporting board includes non-metallic material. The connecting piece is configured to secures the supporting board to a chassis. The connecting piece has a connecting claw penetrating into the supporting board. The mounting member assembly is attached to the supporting board.
    Type: Application
    Filed: October 12, 2010
    Publication date: December 29, 2011
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: YUN-LUNG CHEN, DA-LONG SUN, GUO-ZHONG LIU
  • Publication number: 20110303688
    Abstract: An enclosure includes an enclosure body and a support. The enclosure includes a bottom wall. A receiving recess is formed in the bottom wall. The support defines a contacting surface substantially parallel to the bottom wall and an attachment surface. The support includes a securing portion extending from the attachment surface. A distance between the supporting surface and the attachment surface is greater than the depth of the receiving recess. The supporting surface is configured to contact a supporting surface to maintain a space between the bottom wall and the supporting surface.
    Type: Application
    Filed: October 28, 2010
    Publication date: December 15, 2011
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY(ShenZhen) CO., LTD.
    Inventors: YUN-LUNG CHEN, GUO-ZHONG LIU, BING-YUN NIE
  • Patent number: 7967633
    Abstract: A method for making a terminal module includes providing a first terminal and a second terminal positioned in the first terminal, forming an insulator between the first terminal and the second terminal, and forming a latching flange on an outer surface of the first terminal. The latching flange forms at least one resisting surface.
    Type: Grant
    Filed: October 7, 2010
    Date of Patent: June 28, 2011
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Wu-Kuang Chen, Hsiaw-Chiang Chen, Min-Qiang Zhang, Chang-Hua Liao, Guo-Zhong Liu, Yong-Liang Chen
  • Publication number: 20110023299
    Abstract: A method for making a terminal module includes providing a first terminal and a second terminal positioned in the first terminal, forming an insulator between the first terminal and the second terminal, and forming a latching flange on an outer surface of the first terminal. The latching flange forms at least one resisting surface.
    Type: Application
    Filed: October 7, 2010
    Publication date: February 3, 2011
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: WU-KUANG CHEN, HSIAW-CHIANG CHEN, MIN-QIANG ZHANG, CHANG-HUA LIAO, GUO-ZHONG LIU, YONG-LIANG CHEN
  • Patent number: 7857666
    Abstract: An exemplary cable connector includes a terminal module, a latching flange, and a housing. The terminal module includes a first terminal, a second terminal, and an insulator. The first terminal and the second terminal are insulated by the insulator. The latching flange is fixed on an outer surface of the terminal module. The housing is fixed on a periphery of the terminal module. The latching flange forms at least one resisting surface. An inner surface of the housing defines a latching groove corresponding to the latching flange. The latching groove forms at least one resisting surface corresponding to the at least one resisting surface of the latching flange. The latching flange is latched in the latching groove.
    Type: Grant
    Filed: August 28, 2008
    Date of Patent: December 28, 2010
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Wu-Kuang Chen, Hsiaw-Chiang Chen, Min-Qiang Zhang, Chang-Hua Liao, Guo-Zhong Liu, Yong-Liang Chen
  • Patent number: 7824217
    Abstract: An exemplary terminal module of a cable connector includes a first terminal, a second terminal positioned in the first terminal, an insulator positioned between the first terminal and the second terminal for insulating the first and second terminals from each other, and a latching flange disposed on an outer surface of the first terminal. The latching flange forms at least one resisting surface.
    Type: Grant
    Filed: September 25, 2008
    Date of Patent: November 2, 2010
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Wu-Kuang Chen, Hsiaw-Chiang Chen, Min-Qiang Zhang, Chang-Hua Liao, Guo-Zhong Liu, Yong-Liang Chen
  • Patent number: 7682201
    Abstract: An exemplary cable connector plug (20) includes a first contact (21). The first contact includes a contact portion (210) and an extension portion (211) extending from the contact portion along an axis of the cable connector plug. The extension portion includes a first columnar portion (2111), a neck portion (2112) and a second columnar portion (2113). The neck portion interconnects the first columnar portion and the second columnar portion. A periphery of a junction where the neck portion connects with the second columnar portion is curved from a point of the periphery distal from the second columnar portion to a point of the periphery distal from the neck portion. The cable connector plug has a relatively good mechanical strength and durability.
    Type: Grant
    Filed: February 8, 2007
    Date of Patent: March 23, 2010
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Wu-Kuang Chen, Hsiaw-Chiang Chen, Min-Qiang Zhang, Chang-Hua Liao, Guo-Zhong Liu
  • Patent number: 7674116
    Abstract: An exemplary cable connector includes a housing, a terminal module including a first terminal and a second terminal, a printed circuit board fixed in the housing, and a cable including a first core and a second core. The terminal module is detachably assembled in a first end of the housing, and the first and second terminals are contacting the printed circuit board. The cable is fixed in a second end of the housing, and the first and the second cores of the cable are welded to the printed circuit board. The first and second terminals are electrically communicating with the first and second cores via the printed circuit board.
    Type: Grant
    Filed: October 14, 2008
    Date of Patent: March 9, 2010
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Wu-Kuang Chen, Hsiaw-Chiang Chen, Min-Qiang Zhang, Chang-Hua Liao, Guo-Zhong Liu, Yong-Liang Chen
  • Publication number: 20090316917
    Abstract: An audio testing system is configured for receiving an audio signal from the an audio emitting device. The system samples the audio signal and obtains sampling points from the audio signal for determining if the audio signal has been distorted. A related method is also disclosed.
    Type: Application
    Filed: August 25, 2008
    Publication date: December 24, 2009
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD, HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: YI LO, GUO-ZHONG LIU, HUI-LING FENG, RUI DENG
  • Publication number: 20090305531
    Abstract: An exemplary cable connector includes a housing, a terminal module including a first terminal and a second terminal, a printed circuit board fixed in the housing, and a cable including a first core and a second core. The terminal module is detachably assembled in a first end of the housing, and the first and second terminals are contacting the printed circuit board. The cable is fixed in a second end of the housing, and the first and the second cores of the cable are welded to the printed circuit board. The first and second terminals are electrically communicating with the first and second cores via the printed circuit board.
    Type: Application
    Filed: October 14, 2008
    Publication date: December 10, 2009
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD ., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: WU-KUANG CHEN, HSIAW-CHIANG CHEN, MIN-QIANG ZHANG, CHANG-HUA LIAO, GUO-ZHONG LIU, YONG-LIANG CHEN
  • Publication number: 20090305564
    Abstract: An exemplary terminal module of a cable connector includes a first terminal, a second terminal positioned in the first terminal, an insulator positioned between the first terminal and the second terminal for insulating the first and second terminals from each other, and a latching flange disposed on an outer surface of the first terminal. The latching flange forms at least one resisting surface.
    Type: Application
    Filed: September 25, 2008
    Publication date: December 10, 2009
    Applicants: HONG FU JIN PRECISION INDUSTRY (SHENZHEN) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: WU-KUANG CHEN, HSIAW-CHIANG CHEN, MIN-QIANG ZHANG, CHANG-HUA LIAO, GUO-ZHONG LIU, YONG-LIANG CHEN
  • Publication number: 20090305574
    Abstract: An exemplary cable connector includes a terminal module, a latching flange, and a housing. The terminal module includes a first terminal, a second terminal, and an insulator. The first terminal and the second terminal are insulated by the insulator. The latching flange is fixed on an outer surface of the terminal module. The housing is fixed on a periphery of the terminal module. The latching flange forms at least one resisting surface. An inner surface of the housing defines a latching groove corresponding to the latching flange. The latching groove forms at least one resisting surface corresponding to the at least one resisting surface of the latching flange.
    Type: Application
    Filed: August 28, 2008
    Publication date: December 10, 2009
    Applicants: HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD., HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: WU-KUANG CHEN, HSIAW-CHIANG CHEN, MIN-QIANG ZHANG, CHANG-HUA LIAO, GUO-ZHONG LIU, YONG-LIANG CHEN
  • Patent number: 7404743
    Abstract: An exemplary cable connector plug (20) includes a contact (21) and an insulator (25). The first contact includes a contact portion (210) and an extension portion (211) extending from the contact portion along an axis of the cable connector plug. The first contact further includes a hooking portion (2115) provided at the extension portion. The insulator surrounds the hooking portion, and is lockingly engaged with the hooking portion such that when the extension portion is moved along an axis of the cable connector plug, the first insulator correspondingly moves in unison with the extension portion. The cable connector plug has good mechanical strength and stability.
    Type: Grant
    Filed: February 8, 2007
    Date of Patent: July 29, 2008
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Wu-Kuang Chen, Hsiaw-Chiang Chen, Min-Qiang Zhang, Chang-Hua Liao, Guo-Zhong Liu
  • Publication number: 20080160843
    Abstract: An exemplary cable connector plug (20) includes a first contact (21). The first contact includes a contact portion (210) and an extension portion (211) extending from the contact portion along an axis of the cable connector plug. The extension portion includes a first columnar portion (2111), a neck portion (2112) and a second columnar portion (2113). The neck portion interconnects the first columnar portion and the second columnar portion. A periphery of a junction where the neck portion connects with the second columnar portion is curved from a point of the periphery distal from the second columnar portion to a point of the periphery distal from the neck portion. The cable connector plug has a relatively good mechanical strength and durability.
    Type: Application
    Filed: February 8, 2007
    Publication date: July 3, 2008
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: WU-KUANG CHEN, HSIAW-CHIANG CHEN, MIN-QIANG ZHANG, CHANG-HUA LIAO, GUO-ZHONG LIU