Patents by Inventor Shao-Han Chang

Shao-Han 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).

  • Patent number: 9822464
    Abstract: An electrochemical machining apparatus includes a fastening bracket, a first drive member positioned on the fastening bracket, a connecting member, a first electrode connected to the connecting member, a second driving member, a second electrode connected to the second driving member, a moving assembly positioned on the fastening bracket, an electrolytic cell positioned on moving assembly, a pump, and a vacuum pump. The first electrode defines a plurality of liquid collecting grooves spaced from each other. Each liquid collecting grooves defines a plurality of second through holes. At least one liquid collecting groove is connected to the pump, and the other liquid collecting grooves are connected to the vacuum pump. The portion of the second electrode can be inserted into and depart from the second through holes.
    Type: Grant
    Filed: October 17, 2014
    Date of Patent: November 21, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Patent number: 9744609
    Abstract: An electrochemical machining device includes an electrode bundle, an electrode sleeve used for receiving the electrode bundle therein, and an electrolytic tank. The electrode bundle includes a number of columnar electrodes. Each of the columnar electrodes can move along an axial direction of the electrode sleeve. The electrode sleeve includes sidewalls, and two pressing plates positioned corresponding to two adjacent sidewalls. The sidewalls of the electrode sleeve include a number of screws to adjust a distance between the pressing plates and the corresponding sidewalls. The pressing plates can be moved to press the electrode bundle, and fix the electrode bundle between the pressing plates and the corresponding sidewalls of the electrode sleeve. A shape of the electrode bundle can be adjusted according to a shape of a molding surface.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: August 29, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Patent number: 9714187
    Abstract: A method for manufacturing a curved glass sheet is provided. The method includes: providing a mold and a furnace; placing the mold in the furnace, the mold including a first mold, a second mold, and a mold core, the first mold defining a receiving space; a bottom surface in the receiving space defining at least one guiding groove, a bottom surface in the at least one guiding groove defining at least one air outlet, the mold core defining a mold cavity and a plurality of micro-holes; placing a raw glass sheet on the second mold; controlling a temperature in the furnace to heat the raw glass sheet; extracting air in the receiving space of the mold via the at least one outlet, to force the raw glass sheet to bend until contacting a bottom surface in the mold cavity; and cooling the mold to form a curved glass sheet.
    Type: Grant
    Filed: April 12, 2016
    Date of Patent: July 25, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Patent number: 9687925
    Abstract: An electrolytic machining system includes a controller, a drive member coupled to the controller, a power supply, a diving circuit, a detecting circuit, and an electrode module. The diving circuit is coupled to the power supply module and configured to divide a total voltage taken from the power supply module into a plurality of independent working voltages. The detecting circuit is coupled to the dividing circuit and the electrode assembly. The detecting circuit detects each independent working voltage and feeds back information as to the level of the independent working voltage to the controller as the electrode assembly is moved towards a workpiece. When the detection indicates an incorrect working voltage, the controller controls the drive member to move the electrode assembly away from the workpiece.
    Type: Grant
    Filed: September 17, 2014
    Date of Patent: June 27, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Patent number: 9671823
    Abstract: A housing includes an upper cover and a lower cover coupled to the upper cover. The upper cover includes a first glass shell with U-shaped cross section, and a first plastic frame attached to the first glass shell. The first glass shell includes a display portion, and a decorative coating layer defined on a surface of the first glass shell toward the first plastic frame. The decorative coating layer surrounds the display portion and extends from the display portion to edge of the first glass shell. The present disclosure also provides an electronic device using the housing.
    Type: Grant
    Filed: June 12, 2015
    Date of Patent: June 6, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Patent number: 9632354
    Abstract: A backlight module includes a light-guiding assembly and a light source assembly. The light-guiding assembly includes a back cover, a reflector, a light-guiding plate (LGP), a number of optical correcting elements, and a frame. The light source assembly includes a main body and a light source. The back cover defines a light input area. The main body includes two reflection sides. The two reflection sides curve over the light source. The main body defines a main body opening between the two reflection sides. The light source assembly further includes a lens received in the main body opening. The light emitted from the light source and reflected by the two reflection sides are transmitted to outside of the main body through the lens.
    Type: Grant
    Filed: October 20, 2014
    Date of Patent: April 25, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Publication number: 20170099744
    Abstract: A method for making a multi-part frame for a device, to render different parts of the frame available for electronic and other functions of the device, includes providing a plurality of conductive frames, and making each of the conductive frames with a predetermined shape. Each sheet of a plurality of conductive sheets can be coupled to a conductive frame. The conductive frames so coupled are placed in an injection mold and a predetermined gap maintained between conductive frames. The gap between conductive frames can be filled with insulating material to form an insulated frame, the insulated frame partially covering the plurality of conductive sheets.
    Type: Application
    Filed: December 15, 2016
    Publication date: April 6, 2017
    Inventor: SHAO-HAN CHANG
  • Patent number: 9578145
    Abstract: A coupling frame to provide structural support and electrical functionality includes a plurality of conductive frames spaced from each other and having predetermined gaps. A plurality of conductive sheets are electrically connected to the different places of the inside surface of the conductive frames and an insulating frame fills in the predetermined gaps. Each conductive frame and the insulating frame are annular structures. The insulating frame extends inwardly to partially cover the plurality of conductive sheets. A method for making the coupling frame is also provided.
    Type: Grant
    Filed: December 11, 2014
    Date of Patent: February 21, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Patent number: 9573212
    Abstract: A gap detection apparatus for determining in real time the gap required for electrochemical machining gap includes a tooling electrode, a plurality of tool adjusting electrodes, a feedback circuit, a processing feed mechanism for controlling the tooling electrode, a three-dimensional driving mechanism, and an automatic control and measurement system. The tooling electrode includes a plurality of through-holes for receiving tool adjusting electrodes. The three-dimensional driving mechanism is mounted upon the processing feed mechanism, which includes a Z-coordinate feeding portion having a thimble for the feeding of the tool adjusting electrodes. The automatic control and measurement system controls the feed of the processing feed mechanism and the three-dimensional driving mechanism, and establishes the required gap for electrochemical machining.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: February 21, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Patent number: 9563074
    Abstract: A backlight module includes a back cover, a light source panel positioned on the back cover, a frame connected with the back cover and an optical film assembled to the frame. A pair of reflective plates are positioned between the frame and the back cover, and a plurality of through holes are defined on the pair of reflective plates. A chamber is cooperatively defined between the pair of reflective plates and the back cover, and inner surfaces of the chamber have a high reflectivity.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: February 7, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Patent number: 9552026
    Abstract: A heat-dissipating mobile terminal includes a main body, a heat dissipating member positioned in the main body, and a back cover detachably connected to the main body. The main body includes a heat-producing element and the heat dissipating member includes a heat radiator arranged above the heat-producing element. The back cover defines a perforated portion above the heat dissipating member. The heat radiator is integrated with the main body. The heat radiator is exposed to external cooler air by the perforated portion in the back cover. The mobile terminal of the present disclosure effectively improves heat radiating efficiency and reduces cost.
    Type: Grant
    Filed: September 25, 2014
    Date of Patent: January 24, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Publication number: 20170013730
    Abstract: An outer viewing panel includes a display window and a supporting body integrated with the display window. The display window is made of sapphire and the supporting body is made of ceramic for increased hardness and durability. The supporting body is integrally formed with the supporting body by a sintering process.
    Type: Application
    Filed: September 26, 2016
    Publication date: January 12, 2017
    Inventor: SHAO-HAN CHANG
  • Patent number: 9542869
    Abstract: An electronic device includes a housing, a reflection member, a glass base board, a decoration pattern, a reflection membrane, a print circuit board, and a light emitting assembly. The reflection member is fixed with the housing and defines a through hole. The glass base board is positioned on the reflection member away from the housing. The decoration pattern is positioned on the glass base board. The reflection membrane is positioned on the glass base board around edges of the decoration pattern for shielding the glass base board and reflecting light. The print circuit board is received in the housing under the glass base board. The light emitting assembly includes a base board and a light source positioned on the base board. A first light emitting portion of the glass base board is positioned between the reflection membrane and the decoration pattern.
    Type: Grant
    Filed: September 2, 2014
    Date of Patent: January 10, 2017
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Patent number: 9521790
    Abstract: A panel includes a display window and a supporting body integrated with the display window. The display window is made of sapphire and the supporting body is made of ceramic materials. The supporting body is integrally formed with the supporting body by sintering process. A method for manufacturing the panel is also provided.
    Type: Grant
    Filed: November 22, 2013
    Date of Patent: December 13, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Publication number: 20160316574
    Abstract: A housing includes an upper cover and a lower cover coupled to the upper cover. The upper cover includes a first glass shell with U-shaped cross section, and a first plastic frame attached to the first glass shell. The first glass shell includes a display portion, and a decorative coating layer defined on a surface of the first glass shell toward the first plastic frame. The decorative coating layer surrounds the display portion and extends from the display portion to edge of the first glass shell. The present disclosure also provides an electronic device using the housing.
    Type: Application
    Filed: June 12, 2015
    Publication date: October 27, 2016
    Inventor: SHAO-HAN CHANG
  • Patent number: 9479623
    Abstract: A mobile terminal housing includes a rear plate made of transparent material and a front plate coupled with the rear plate. The mobile terminal housing further includes a plastic member fitting closely to the rear plate and positioned between the rear plate and the front plate and a mirror coating. The rear plate includes an outer surface and an inner surface opposite to each other. The plastic member forms a light transmission hole. The mirror coating is positioned on the outer surface of the rear plate and overlaps the light transmission hole, and a size of the mirror coating is larger than that of the light transmission hole. The mobile terminal housing is able to give visual indications of activity even when resting on its face.
    Type: Grant
    Filed: October 8, 2014
    Date of Patent: October 25, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Publication number: 20160290602
    Abstract: A housing of an electronic device includes a base plate, a frame, a light guide film and a light source. An inner surface of the base plate includes a coating. A plurality of light transmission holes are defined in the coating. The frame includes a first receiving portion and a second receiving portion surrounded by the first receiving portion. The base plate is received in the first receiving portion and the light guide film is received in the second receiving portion. The light source is coupled to the light guide film. One end of the light guide film covers the plurality of light transmission holes, and an other end of the light guide film is optically coupled to the light source. Light from the light source transmits through the light guide film and emits out of the base plate by the light transmission holes.
    Type: Application
    Filed: May 29, 2015
    Publication date: October 6, 2016
    Inventor: SHAO-HAN CHANG
  • Patent number: 9462098
    Abstract: A portable terminal housing includes a first housing body, a second housing body engaged with the first housing body, a middle frame, and a ring cushion coiled around the middle frame. The first housing body and second housing body can cooperatively form a receiving cavity. The middle frame and ring cushion are positioned in the receiving cavity. The middle frame resists against the inner surface of the first housing body and second housing body by the ring cushion. The middle frame covers a joint of the first housing body and second housing body.
    Type: Grant
    Filed: September 26, 2014
    Date of Patent: October 4, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang
  • Publication number: 20160279843
    Abstract: A method for manufacturing a housing of a portable electronic device includes the following blocks. A plate glass is provided. The plate glass is cut. The plate glass includes a main body with curved corners and a plurality of side edges. Each side edge is connected with two curved corners. A glass member is formed by a thermal bending process. The side edges are bent from the main body, and perpendicularly to the main body. A plastic member is formed and integrated with the glass member by insert molding. The plastic member is formed in the glass member and fit closely against the glass member.
    Type: Application
    Filed: June 3, 2016
    Publication date: September 29, 2016
    Inventor: SHAO-HAN CHANG
  • Patent number: 9439308
    Abstract: An electronic device with a concealed coupling member includes a first shell, a second shell, and at least one locking mechanism. The first shell includes a sidewall with a first through hole. Each locking mechanism includes a chassis, a screw, a first coupling portion, and a second coupling portion. The first coupling portion defines a second through hole, the second coupling portion defines a third through hole. The first through hole can communicate with the second through hole and the third through hole. The screw passes through the third through hole and the second through hole to couple the first shell to the second shell.
    Type: Grant
    Filed: November 18, 2014
    Date of Patent: September 6, 2016
    Assignee: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: Shao-Han Chang