Patents by Inventor Wen Hu

Wen Hu 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: 8508326
    Abstract: The present invention may provide a surge protection device, which may include a reference node, first, second, and third nodes, a first arcing section (GAP) coupled between the first and second nodes, and configured to receive a surge voltage from the first node, a first metal oxide varistor (MOV) coupled between the second and reference nodes, and configured to reduce the surge voltage to a first sub-surge voltage at the second node, a second arcing section (GAP) coupled between the second and third nodes, and configured to receive the first sub-surge voltage from the second node, and a second metal oxide varistor (MOV) coupled between the third and reference nodes, and configured to reduce the first sub-surge voltage to a second sub-surge voltage at the third node.
    Type: Grant
    Filed: November 8, 2011
    Date of Patent: August 13, 2013
    Assignee: Shenzhen Dowin Lighting Technologies Co., Ltd.
    Inventors: Guo Yao Kang, Hui Ping Guo, Bing Yu Shi, Wen Hu Shi, Rong Huang, Ya Ping Guo
  • Patent number: 8503173
    Abstract: A computer system includes a computer case and an air guiding duct. The motherboard is attached to the computer case, and a heat sink is attached to the motherboard. The air guiding duct includes a top panel. A mounting member is slidably attached to the top panel and is clipped to the heat sink. A limiting device is located on the top panel and engaged with the mounting member to prevent the mounting member from sliding relative the top panel.
    Type: Grant
    Filed: September 6, 2011
    Date of Patent: August 6, 2013
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Po-Wen Chiu, Wen-Hu Lu, Zhan-Yang Li
  • Patent number: 8485479
    Abstract: A cable management apparatus includes a securing board and a cable management clip. A clipping portion and a securing portion are located on the securing board. The cable management clip includes a mounting base and a pressing clip pivotally attached to the mounting base. A cable may be locked between the mounting base and the pressing clip. Elastic arms extend from the mounting base, the elastic arms deform to allow the fitment and removal of the cable management clip from the securing board.
    Type: Grant
    Filed: July 5, 2011
    Date of Patent: July 16, 2013
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Po-Wen Chiu, Wen-Hu Lu, Zhan-Yang Li
  • Patent number: 8483012
    Abstract: A controlling method for ultra-sound sensor is provided. The method includes the steps of measuring a distance of an obstacle, determining whether the distance is smaller than a distance threshold, and adjusting a driving voltage if the distance is smaller than the distance threshold.
    Type: Grant
    Filed: March 15, 2010
    Date of Patent: July 9, 2013
    Assignee: Lite-On It Corporation
    Inventors: Chao-Wen Hu, Yi-Chung Lee
  • Publication number: 20130167366
    Abstract: A mounting apparatus includes a chassis and a fixing module. The chassis includes a bottom plate. The fixing module includes a securing member and a blocking member. The securing member is secured to the bottom plate. The blocking member is pivoted to the securing member and configured to block a circuit board, to prevent the circuit board from moving along a direction perpendicular to a plane that is perpendicular to the bottom plate.
    Type: Application
    Filed: October 12, 2012
    Publication date: July 4, 2013
    Inventors: WEN-HU LU, PO-WEN CHIU, ZHAN-YANG LI
  • Publication number: 20130168518
    Abstract: A mounting apparatus includes a chassis and a mounting tray for receiving a power supply. The chassis includes a side plate. The side plate includes a side plate body, a securing flange extending from the side plate body, and a mounting portion extending from the side plate body. The mounting tray includes a positioning portion and an engaging portion. The engaging portion engages the securing flange to prevent the mounting tray from moving along a first direction substantially parallel to the side plate body. The positioning portion defines a positioning space receiving the mounting portion to prevent the mounting tray from moving along a second direction substantially perpendicular to the side plate body. The positioning portion moves along a third direction substantially opposite to the first direction to enable the mounting portion to be received in the positioning space.
    Type: Application
    Filed: September 28, 2012
    Publication date: July 4, 2013
    Inventors: WEN-HU LU, PO-WEN CHIU, ZHAN-YANG LI
  • Publication number: 20130161274
    Abstract: A mounting apparatus includes a chassis, a mounting tray, and a securing device. The chassis includes a positioning hole. The securing device includes a securing member attached to the mounting tray, a rotating shaft received in the securing member, a driving member attached to the rotating shaft, and a resilient member located between the driving member and the securing member. The rotating shaft includes an engaging portion. The driving member rotates the rotating shaft relative to the securing member between the unlocked and locked positions; when the rotating shaft is in the unlocked position, the engaging portion is aligned with the positioning hole and arranged in a first direction, and when the rotating shaft is in the locked position, the resilient member is deformed, and the engaging portion is engaged in the positioning hole and arranged in a second direction substantially perpendicular to the first direction.
    Type: Application
    Filed: September 12, 2012
    Publication date: June 27, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventor: WEN-HU LU
  • Publication number: 20130163213
    Abstract: A mounting apparatus includes a chassis and a fixing module. The chassis includes a bottom plate, and a circuit board attached to the bottom plate. The fixing module includes a blocking member. The blocking member is rotatably secured to the bottom plate and abuts the circuit board, to prevent the circuit board from moving along a direction parallel to the bottom plate.
    Type: Application
    Filed: October 23, 2012
    Publication date: June 27, 2013
    Inventors: PO-WEN CHIU, ZHAN-YANG LI, WEN-HU LU
  • Patent number: 8461640
    Abstract: A non-volatile memory cell has a substrate layer with a fin shaped semiconductor member of a first conductivity type on the substrate layer. The fin shaped member has a first region of a second conductivity type and a second region of the second conductivity type, spaced apart from the first region with a channel region extending between the first region and the second region. The fin shaped member has a top surface and two side surfaces between the first region and the second region. A word line is adjacent to the first region and is capacitively coupled to the top surface and the two side surfaces of a first portion of the channel region. A floating gate is adjacent to the word line and is insulated from the top surface and is capacitively coupled to the two side surfaces of a second portion of the channel region. A coupling gate is capacitively coupled to the floating gate. An erase gate is insulated from the second region and is adjacent to the floating gate and coupling gate.
    Type: Grant
    Filed: September 8, 2009
    Date of Patent: June 11, 2013
    Assignee: Silicon Storage Technology, Inc.
    Inventors: Yaw Wen Hu, Prateep Tuntasood
  • Publication number: 20130128451
    Abstract: A mounting device secures a fan module to a chassis. The mounting device includes a bracket and a spring. The bracket includes a bottom plate and a vent plate substantially perpendicular to the bottom plate. The bottom plate defines a through hole. The spring is fixed on the bottom plate adjacent to the vent plate. The spring includes an elastic portion and a securing tab protruding through the through hole. The elastic portion can retract the securing tab into the bracket.
    Type: Application
    Filed: August 6, 2012
    Publication date: May 23, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: PO-WEN CHIU, WEN-HU LU, ZHAN-YANG LI
  • Publication number: 20130127311
    Abstract: An enclosure includes a chassis and a bracket. The chassis includes a bottom plate and a top plate for the bracket to receive therein. A limiting portion is protruded the bottom plate. The bracket includes a base, a latching member, and a stopping member. The latching member is secured to the base and includes a latching portion. The stopping member is secured to the base and includes a hook. The latching member is rotatable between a first position and a second position relative to the base; when the latching member is in the first position, the hook is engaged with the latching member, the latching portion is engaged with the limiting portion, for preventing the bracket from disengaging from the chassis; when the latching member is in the second position, the hook is elastically deformable to disengage from the latching member, the latching portion is disengaged from the limiting portion.
    Type: Application
    Filed: August 1, 2012
    Publication date: May 23, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD
    Inventors: PO-WEN CHIU, ZHAN-YANG LI, WEN-HU LU
  • Patent number: 8434217
    Abstract: A mounting apparatus includes a bottom panel, a first mounting member, and a second mounting member. The bottom panel includes a top surface and a bottom surface. The first mounting member includes a positioning portion and an installation portion. A concave portion is defined in the bottom surface, for receiving and preventing the positioning portion from rotating relative to the bottom panel. The bottom panel defines a through hole, for an installation portion. The second mounting member includes a locking portion. The locking portion defines an installation hole, for locking the installation portion. The bottom panel top surface t is between locking portion and positioning portion. The positioning portion bottom surface place in the same plane with the bottom panel bottom surface or is between the bottom panel top surface and the bottom panel bottom surface.
    Type: Grant
    Filed: September 13, 2011
    Date of Patent: May 7, 2013
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventors: Po-Wen Chiu, Wen-Hu Lu, Zhan-Yang Li
  • Patent number: 8422336
    Abstract: An operating method adapted in an ultra-sound sensor is provided. The method includes the steps of emitting an ultra-sound wave, receiving a crosstalk signal within a crosstalk measuring window, determining whether the crosstalk signal is larger than a crosstalk threshold and triggering a crosstalk application if the crosstalk signal is smaller than the crosstalk threshold.
    Type: Grant
    Filed: April 7, 2010
    Date of Patent: April 16, 2013
    Assignee: Lite-On It Corporation
    Inventors: Yuan-Hung Liao, Chao-Wen Hu, Tzu-Nan Chen
  • Publication number: 20130059188
    Abstract: A battery mounting device includes a bracket and case. The bracket includes a rear wall and defines a receiving space. A first latching portion is located on the rear wall. The case includes a front plate opposite to the rear wall. A restricting portion is located on the front plate. The bracket is slidably mounted in the case; the first latching portion is adapted to secure a first end of a battery in the receiving space, and the restricting portion is adapted to secure a second end of the battery in the receiving space.
    Type: Application
    Filed: May 16, 2012
    Publication date: March 7, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: WEN-HU LU, PO-WEN CHIU, ZHAN-YANG LI
  • Publication number: 20130044449
    Abstract: A circuit board mounting apparatus comprises a chassis and a securing structure. The chassis comprises a bottom board and two sidewalls located on two opposite sides of the board. The securing structure comprises a reinforcing member and a securing member secured to the reinforcing member. The reinforcing member is secured to the bottom board. The securing member defines a securing hole. A fixing member extends through a through hole defined in the circuit board to engage in the securing hole, for preventing the circuit board from moving laterally.
    Type: Application
    Filed: April 13, 2012
    Publication date: February 21, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: PO-WEN CHIU, WEN-HU LU, ZHAN-YANG LI
  • Publication number: 20130044445
    Abstract: A mounting apparatus for circuit board comprises a bottom or base board of a chassis, a securing structure and a reinforcing member. The securing structure is secured to the bottom board in which a securing hole is defined. The reinforcing member engages with the securing structure. A fixing member extends through a through hole defined in the circuit board to engage in the securing hole, for preventing any lateral movement of the circuit board.
    Type: Application
    Filed: April 25, 2012
    Publication date: February 21, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) Co., LTD.
    Inventors: PO-WEN CHIU, ZHAN-YANG LI, WEN-HU LU
  • Publication number: 20130014919
    Abstract: A heat pipe includes a casing and a plurality of wick layers. The casing has an inner wall. The wick layers stack at an inner surface of the casing in turn. The wick layers respectively define a plurality of pores therein. Diameters of the pores of each of the wick layers gradually decrease from the inner wall to center of the casing.
    Type: Application
    Filed: August 29, 2011
    Publication date: January 17, 2013
    Applicants: FOXCONN TECHNOLOGY CO., LTD., FURUI PRECISE COMPONENT (KUNSHAN) CO., LTD.
    Inventors: SHENG-LIANG DAI, YUE LIU, HAI-PING SHEN, WEN-HU CHEN, JIA-HONG WU, YU-LIANG LO
  • Publication number: 20130009629
    Abstract: A detection apparatus comprises a first signal transmission line, a second signal transmission line, a first conducting member, a second conducting member and a mounting bracket. A first terminal of the first signal transmission line is electrically connected to a circuit board for receiving first output signals. A second terminal of the first signal transmission line is electrically connected to a first terminal of the first conducting member. A first terminal of the second signal transmission line is electrically connected to the circuit board for receiving second output signals. A second terminal of the second signal transmission line is electrically connected to a first terminal of the second conducting member. The first conducting member and the second conducting member are mounted on the mounting bracket. Each of a second terminal of the first conducting member and a second terminal of the second conducting member extends out of the mounting bracket.
    Type: Application
    Filed: April 24, 2012
    Publication date: January 10, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: ZHAN-YANG LI, WEN-HU LU, PO-WEN CHIU
  • Publication number: 20130010437
    Abstract: A mounting apparatus for fixing a circuit board having a position block comprises an enclosure having a bottom plate; a first mounting member having a first securing portion, and a second mounting member having a first position portion and a first mounting portion. A first through hole is defined on the bottom plate. A first depressed portion is defined around the first through hole on the bottom plate. A first fixing hole is defined on the first securing portion. The first position portion is received in the first depressed portion to prevent the first position portion rotating relative to the bottom plate. The first mounting portion passes through the first through hole to be fixed in the first fixing hole. The bottom plate is fixed between the first securing portion and the first position portion. The position block engages the position slot to fix the circuit board on the enclosure.
    Type: Application
    Filed: February 28, 2012
    Publication date: January 10, 2013
    Applicants: HON HAI PRECISION INDUSTRY CO., LTD., HONG FU JIN PRECISION INDUSTRY (ShenZhen) CO., LTD.
    Inventors: WEN-HU LU, ZHAN-YANG LI, PO-WEN CHIU
  • Patent number: 8351296
    Abstract: An ultrasonic lamp control method is provided. The control method includes the following steps. The ultrasonic lamp emits a first burst, and detects whether a first echo is received within a fixed period of time after the emission of the first burst. If the first echo is received within the fixed period of time, then the ultrasonic lamp neglects the first echo and emits a second burst. The ultrasonic lamp detects whether a second echo is received within the fixed period of time after the emission of the second burst. If the second echo is received within the fixed period of time, then the ultrasonic lamp enters a control mode.
    Type: Grant
    Filed: July 12, 2010
    Date of Patent: January 8, 2013
    Assignee: Lite-On IT Corporation
    Inventors: Chao-Wen Hu, Yi-Chung Lee