Patents by Inventor Jung-Wen Chang

Jung-Wen Chang 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).

  • Publication number: 20080115607
    Abstract: A locking apparatus includes a handle, a hook and a handle magnetic device. The handle is pivotally connected to a cover of an electronic product. The hook has a first end pivotally connected to the handle and a second end with a locking part. The locking part is fastened to a base of the electronic product when the electronic product is locked. The handle magnetic device is located on a surface of the handle facing the cover of the electronic product for attracting a cover magnetic device of the cover of the electronic product after the locking part is fastened to the base of the electronic product. Furthermore, a folding electronic product with the locking apparatus is also disclosed in the specification.
    Type: Application
    Filed: September 26, 2007
    Publication date: May 22, 2008
    Applicant: Quanta Computer Inc.
    Inventors: Jung-Wen Chang, Po-Feng Chuang
  • Publication number: 20080104800
    Abstract: A hinge structure is described. A hollow cylinder has a positioning slot in an inner wall thereof. A movable part has a positioning convex portion and a plurality of engraved portions. The positioning convex portion engages with the positioning slot such that the movable part slides within the hollow cylinder. A cover is fixed to the hollow cylinder to secure the movable part and the resilient part within the hollow cylinder. A resilient part is disposed between the cover and the movable part so as to provide the movable part a resilient recovery force. The engraved portions of the movable part are for engaging a rotatable member.
    Type: Application
    Filed: March 2, 2007
    Publication date: May 8, 2008
    Applicant: Quanta Computer Inc.
    Inventors: Jung-Wen Chang, Wen-Ji Tsai, Wan-Chi Lin
  • Publication number: 20080087404
    Abstract: A thermal module includes an evaporator, a metal pipe, a main frame, a heat sink, a wick and a cooling liquid. The evaporator is in touch with a heat source and has a gas outlet and a liquid inlet. Two ends of the metal pipe connect separately with the gas outlet and the liquid inlet of the evaporator to from a closed loop. The metal pipe includes a vapor pipe, a condenser and a liquid pipe. The main frame connects with the wall of the metal pipe near the gas outlet. The heat sink is outside the condenser. The wick is positioned in an inner wall of the evaporator and in the gas outlet. The cooling liquid is in the closed loop.
    Type: Application
    Filed: January 11, 2007
    Publication date: April 17, 2008
    Applicant: Quanta Computer Inc.
    Inventors: Yun-Liang Hsieh, Han-Ting Chen, Jung-Wen Chang
  • Publication number: 20080078063
    Abstract: A spindle restricting apparatus to prevent a rotating axis and a lifting axis operating simultaneously includes a main frame, a first spindle, and a second spindle. The first spindle is disposed in a horizontal opening of the main frame and the second spindle is disposed in a vertical opening of the main frame. The first spindle has at least a first interference portion disposed on the first spindle inside of the main frame. The second spindle may have at least a second interference portion disposed on the second spindle inside of the main frame. The first interference portions would touch the second spindle to prevent the lifting axis operating while the rotating axis is operating. The second interference portions would touch the first spindle to prevent the rotating axis operating while the lifting axis is operating.
    Type: Application
    Filed: December 29, 2006
    Publication date: April 3, 2008
    Inventors: Jung-Wen Chang, Po-Feng Chuang
  • Publication number: 20080075317
    Abstract: A heat dissipation device includes a hollow housing and a speaker. The hollow housing has a first opening and a second opening. The speaker is disposed at the first opening, wherein the speaker includes a diaphragm oscillating within a frequency scope the human ear cannot or hardly hear so as to generate airflow through the second opening.
    Type: Application
    Filed: October 30, 2006
    Publication date: March 27, 2008
    Applicant: Quanta Computer Inc.
    Inventors: Han-Ting Chen, Yun-Liang Hsieh, Jung-Wen Chang
  • Publication number: 20080063743
    Abstract: An insert-molding mold to combine an inserted piece and a plastic as a product includes a male mold, a female mold, and at least one adjustable support structure. The insert-molding mold may fit different inserted pieces with different thickness. The male mold includes a male mold body, and a male mold core disposed in the male mold body. The inserted piece has an inserted piece thickness. A distance may be generated between the female mold and the male mold core when the male mold matching with the female mold. The distance is larger than the inserted piece thickness. The support structure of the insert-molding mold may support the male mold core and adjust the distance between the female mold and the male mold core to fit the inserted piece thickness.
    Type: Application
    Filed: June 29, 2007
    Publication date: March 13, 2008
    Applicant: Quanta Computer Inc.
    Inventors: Ching-Cheng Wang, Yun-Liang Hsieh, Jung-Wen Chang
  • Publication number: 20080047105
    Abstract: A hinge unit with double-side rotation function applicable on a computer device comprises a first support, a second support and a spindle wherein both of the supports has connecting portions at both ends to connect with the display unit and the base of the computer device. The hinge unit further comprises an angle limiter to limit the rotation angle.
    Type: Application
    Filed: October 19, 2006
    Publication date: February 28, 2008
    Applicant: Quanta Computer Inc.
    Inventors: Jung-Wen Chang, Chun-Feng Lai
  • Publication number: 20080034550
    Abstract: A hinge unit applicable on a computer device provides an auto-lock and double-side rotation function comprising a brace, a first pivoting member, a second pivoting member, a post and a connecting sheet. The hinge unit further comprises a positioning member and an angle limiter for providing the functions of positioning and fit-in feeling.
    Type: Application
    Filed: January 31, 2007
    Publication date: February 14, 2008
    Applicant: Quanta Computer Inc.
    Inventors: Jung-Wen Chang, Chun-Feng Lai
  • Publication number: 20080006752
    Abstract: A docking device comprises a body, a stand two fixing members and two connecting members wherein the body includes an expansion portion with multiple I/O ports and a connecting portion. With the connecting member crossing through the connecting portion of the body the fixing member and the stand, the body can be rotated relative to the stand, which makes it convenient for a user to insert or pullout the electronic wire—cords cable or lines into or from the docking device.
    Type: Application
    Filed: October 26, 2006
    Publication date: January 10, 2008
    Applicant: Quanta Computer Inc.
    Inventors: Shih-Yun Lee, Wan-Chi Lin, Jung-Wen Chang
  • Publication number: 20070293068
    Abstract: A closing mechanism applicable to an electronic device, computer device or docking device comprises a housing, a closing member, a base, an elastomer and a support. Sliding portion and the corresponding chutes are disposed at the bottom portions of the closing member and the base, respectively. Both ends of the elastomer are fastened to the hooks of the closing member and base; thus, via elasticity, the elastomer automatically closes the opening of the I/O port of the closing mechanism.
    Type: Application
    Filed: September 22, 2006
    Publication date: December 20, 2007
    Applicant: QUANTA COMPUTER INC.
    Inventors: Jung-Wen Chang, Ching-Cheng Wang, Wan-Chi Lin
  • Publication number: 20070253703
    Abstract: A webcam built in an electronic device includes a housing, a video camera, and a latching mechanism. The video camera is movable between a first location in the housing and a second location outside the housing. The latching mechanism maintains the video camera at the first location and the second location.
    Type: Application
    Filed: August 11, 2006
    Publication date: November 1, 2007
    Applicant: QUANTA COMPUTER INC.
    Inventors: Wen-Ji Tsai, Yi-Chun Lin, Wan-Chi Lin, Jung-Wen Chang
  • Patent number: 7286341
    Abstract: A keyboard device applicable on a computer device and includes a first side with a first pivoting unit and a second side with a second pivoting unit. The position of the first side is opposite to that of the second side. Both of the first side and the second side are connected with the base of the computer device via their respective pivoting unit. Therefore, the keyboard can be rotated relative to the base via the first pivoting unit and the second pivoting unit making the conversion steps from normal notebook operation status to tablet PC operation status easier and vice versa.
    Type: Grant
    Filed: September 26, 2006
    Date of Patent: October 23, 2007
    Assignee: Quanta Computer Inc.
    Inventors: Jung-Wen Chang, Chun-Feng Lai
  • Publication number: 20070207665
    Abstract: A docking device with cord storage function comprises a cord storage unit and a body. The body comprises a left shell and a right shell. The cord storage unit comprises a cord storage member and a base. The cord storage member has an opening with two U-turns facing inwards for storing various electronic wires and surrounds the body of the docking device. The base is set beneath the body and is fastened by both the cord storage member and the docking device.
    Type: Application
    Filed: September 21, 2006
    Publication date: September 6, 2007
    Applicant: Quanta Computer Inc.
    Inventors: Jung-Wen Chang, Shih-Yun Lee
  • Publication number: 20070204433
    Abstract: A hinge apparatus used to connect a base and a display unit comprises a connecting member ? a first fastening member ? a second fastening members ? a first pivoting member and a second pivoting member, wherein the connecting member includes a first hole and a second hole. One end of the first pivoting member is fixed with a display unit and the other end crosses through the first hole and is then fastened with the first fastening member. One end of the second pivoting member is fixed with a base and the other end crosses through the second hole and is then fastened with the second fastening member. With the connectivity between the connecting member the first pivoting member and the second pivoting member, the motion of the hinge apparatus is capable of rotating 360 degrees.
    Type: Application
    Filed: July 31, 2006
    Publication date: September 6, 2007
    Inventors: Jung-Wen Chang, Chih-Hsien Wu
  • Publication number: 20070195493
    Abstract: The assembly mechanism utilized to combine a display unit and a circuit unit comprises a front shell a rear shell and a combination member wherein the combination member placed between the front shell and the rear shell comprises a first surface with a first connecting portion and a second surface with a second portion. The display unit is placed between the front shell and the first surface whereby the display unit is fastened. The circuit unit is placed between the rear shell and the second surface whereby the circuit unit is fastened.
    Type: Application
    Filed: July 31, 2006
    Publication date: August 23, 2007
    Inventors: Jung-Wen Chang, Ching-Cheng Wang
  • Publication number: 20070188479
    Abstract: An input pen storage includes a pen holding part coupled to an input pen; a loader having an arm having a pen constraining part for constraining the pen holding part; an obstruct member for expanding the arm; an extendable lock mechanism having an extension state and a return state for constraining a base holding member on the loader; and a forcing member exerting an outward force on the loader. When the loader is displaced to a hold position to change the extendable lock mechanism from the extension state to the return state, the pen constraining part constrains the pen holding part and the extendable lock mechanism constrains the base holding member so that the input pen is held firmly along with the loader.
    Type: Application
    Filed: May 5, 2006
    Publication date: August 16, 2007
    Inventors: Ching-Cheng Wang, Jung-Wen Chang
  • Publication number: 20070187068
    Abstract: A heat dissipation apparatus used in a computer comprises a heat sink and an angularly shaped spring with multiple directional arms, wherein each of the directional arms extends in a corresponding direction and the tangent directions of the contact boundary between the heat sink and the multi directional arms on the spring are perpendicular to the corresponding directions. The force imposed from the spring on the heat sink is uniform as a result of the perpendicular mechanism, and therefore the heat dissipation efficiency is enhanced.
    Type: Application
    Filed: May 24, 2006
    Publication date: August 16, 2007
    Inventors: Jung-Wen Chang, Chun-Feng Lai
  • Patent number: 7239791
    Abstract: A light guide mechanism includes a surface member, a bottom member, a connecting member and a light source. The connecting member is used to connect the surface member and the bottom member. The bottom member has a first side and a second side, and the light source faces the first side and is separated from the first side by a distance of 11 mm˜15 mm. The light source is also separated from the top surface by a distance of 10 mm˜15 mm. The first side is covered by a diffusion material to diffuse the light from the light source and the second side is covered by an aluminum material to prevent the light source from being diffused.
    Type: Grant
    Filed: September 21, 2006
    Date of Patent: July 3, 2007
    Assignee: Quanta Computer Inc.
    Inventors: Jung-Wen Chang, Wen-Ji Tsai, Wan-Chi Lin
  • Publication number: 20070138369
    Abstract: A support apparatus includes a base portion, a rotation shaft and a bracket portion. The base portion is attached to a device. The bracket portion is coupled to the base portion by inserting the rotation shaft through the bracket portion and the base portion, and the rotation shaft is perpendicular to the base portion. The bracket portion is rotatable using the rotation shaft as a pivot. The bracket portion includes a hinge, a rotation shaft and a stand. The hinge is secured to the base portion by the rotation shaft. The rotation shaft is inserted into the hinge and the rotation shaft is perpendicular to the rotation shaft. The stand is coupled with the two ends of the rotation shaft. The stand supports the device with a predetermined angle between them. The stand can be rotatable so that the device stands relying upon either one of the four sides and the stand.
    Type: Application
    Filed: March 23, 2006
    Publication date: June 21, 2007
    Inventors: Jung-Wen Chang, Chun-Feng Lai
  • Patent number: D578128
    Type: Grant
    Filed: October 26, 2006
    Date of Patent: October 7, 2008
    Assignee: Quanta Computer Inc.
    Inventors: Shih-Yun Lee, Jung-Wen Chang, Chun-Yu Chen