Patents by Inventor Yun Ma

Yun Ma 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: 20150208495
    Abstract: An electronic device includes a printed circuit board having a top surface, a clip member, a heat sink mounted on the top surface of the printed circuit board, and an anchor having a mounting portion with a solder surface for soldering to the top surface of the printed circuit board and a hook portion used to lock the clip member assembled to the heat sink. The solder surface is mounted to the top surface of the printed circuit board by surface mount technique (SMT).
    Type: Application
    Filed: January 22, 2014
    Publication date: July 23, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: HAO-YUN MA
  • Patent number: 9085338
    Abstract: A bicycle expander basically includes an expander body, an expanding structure and a positioning shoulder. The expander body has a cylindrical shape and being capable of varying an effective diameter thereof. The expanding structure is operatively connected to the expander body to vary the effective diameter of the expander body. The positioning shoulder extends from an axial end portion of the expander body, the positioning shoulder including an abutment protruding a radially outward direction with respect to the expander body.
    Type: Grant
    Filed: December 21, 2012
    Date of Patent: July 21, 2015
    Assignee: Shimano (Singapore) PTE LTD.
    Inventor: Yun Ma
  • Patent number: 9077123
    Abstract: An electrical connector assembly mounted on a printed circuit board, includes a socket and a connector. The socket mounted on the printed circuit board, has an insulative housing with upper body and lower body formed with a receiving room. A number of contacts respectively received in the upper body and lower body with a same structure. The contacts have spring portions extending into the receiving room and soldering portions extending beyond the upper body and the lower body. The connector is mounted on the printed circuit board. A linking element mechanically and electrically connects the socket and the connector.
    Type: Grant
    Filed: November 6, 2013
    Date of Patent: July 7, 2015
    Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventor: Hao-Yun Ma
  • Publication number: 20150126050
    Abstract: An electrical connector assembly mounted on a printed circuit board, includes a socket and a connector. The socket mounted on the printed circuit board, has an insulative housing with upper body and lower body formed with a receiving room. A number of contacts respectively received in the upper body and lower body with a same structure. The contacts have spring portions extending into the receiving room and soldering portions extending beyond the upper body and the lower body. The connector is mounted on the printed circuit board. A linking element mechanically and electrically connects the socket and the connector.
    Type: Application
    Filed: November 6, 2013
    Publication date: May 7, 2015
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: HAO-YUN MA
  • Publication number: 20150077657
    Abstract: A curved touch device is provided in the present invention including a back cover and a touch panel corresponding to the back cover, where at least one edge portion of the touch panel is a curve surface jointing with the one edge of the back cover.
    Type: Application
    Filed: November 23, 2014
    Publication date: March 19, 2015
    Inventors: Chen-Yun Ma, Sheng-Wei Chen
  • Patent number: 8939778
    Abstract: An electrical socket includes an insulating housing, a plurality of contacts, an upper film permanently attached to the top face and a lower film permanently attached to the bottom face. The insulating housing defines a top face and a bottom face, and a plurality of through holes through the top and bottom faces. The contacts are retained in the insulating housing and the contacts comprise elastic portions received in the through holes, contacting portions and connecting portions. The contacting portions and connecting portions integrally connected with opposite ends of the elastic portions respectively. The contacting portions run through the upper film and the connecting portions run through lower film.
    Type: Grant
    Filed: January 10, 2013
    Date of Patent: January 27, 2015
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 8801440
    Abstract: An electrical connector includes a contact carrier receiving a plurality of contacts with solder balls, respectively. A socket frame has an opening formed by a number of sidewalls, the contact carrier is disposed in the opening and lower than the sidewalls. A bottom support has a thin board located below and supported the contact carrier and the socket frame, and an aperture is formed by the thin board to allow the solder balls passing through thereof. The thin board of the bottom support at least attaches with the socket frame.
    Type: Grant
    Filed: October 8, 2012
    Date of Patent: August 12, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventor: Hao-Yun Ma
  • Publication number: 20140193988
    Abstract: An electrical socket includes an insulating housing, a plurality of contacts, an upper film permanently attached to the top face and a lower film permanently attached to the bottom face. The insulating housing defines a top face and a bottom face, and a plurality of through holes through the top and bottom faces. The contacts are retained in the insulating housing and the contacts comprise elastic portions received in the through holes, contacting portions and connecting portions. The contacting portions and connecting portions integrally connected with opposite ends of the elastic portions respectively. The contacting portions run through the upper film and the connecting portions run through lower film.
    Type: Application
    Filed: January 10, 2013
    Publication date: July 10, 2014
    Inventor: Hao-Yun Ma
  • Publication number: 20140178146
    Abstract: A bicycle expander basically includes an expander body, an expanding structure and a positioning shoulder. The expander body has a cylindrical shape and being capable of varying an effective diameter thereof. The expanding structure is operatively connected to the expander body to vary the effective diameter of the expander body. The positioning shoulder extends from an axial end portion of the expander body, the positioning shoulder including an abutment protruding a radially outward direction with respect to the expander body.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 26, 2014
    Applicant: SHIMANO (SINGAPORE) PTE. LTD.
    Inventor: Yun MA
  • Publication number: 20140099831
    Abstract: An electrical connector includes a contact carrier receiving a plurality of contacts with solder balls, respectively. A socket frame has an opening formed by a number of sidewalls, the contact carrier is disposed in the opening and lower than the sidewalls. A bottom support has a thin board located below and supported the contact carrier and the socket frame, and an aperture is formed by the thin board to allow the solder balls passing through thereof. The thin board of the bottom support at least attaches with the socket frame.
    Type: Application
    Filed: October 8, 2012
    Publication date: April 10, 2014
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: HAO-YUN MA
  • Patent number: 8367942
    Abstract: An electrical interposer for connecting two electronic devices includes a plurality of first cores with undulating structure extending in a first direction and a plurality of second cores with undulating structure extending in a second direction angular with the first direction. Each first core has first peaks and first valleys alternately arranged in the first direction and each first peak is electrically connected with a corresponding neighboring first valley but insulated from others. Each second core has second peaks and second valleys alternately arranged in the second direction and each second peak is electrically connected with a corresponding neighboring second valley but insulated from others. The first cores and the second cores interlace with each other to reach a woven structure with the first peaks and the second peaks jointly constituting an upper interface, and the first valleys and the second valleys jointly constituting a lower interface.
    Type: Grant
    Filed: October 27, 2009
    Date of Patent: February 5, 2013
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: David Gregory Howell, Hao-Yun Ma
  • Patent number: 8302981
    Abstract: A bicycle headset includes a first race member, a second race member, at least one rolling member, a compression ring and a sealing ring. The first race member includes a first support surface. The second race member includes a second support surface. The at least one rolling member is disposed between the first and second support surfaces. The compression ring is disposed on the second race member. The sealing ring is disposed on the compression ring.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: November 6, 2012
    Assignee: Shimano (Singapore) Pte. Ltd.
    Inventor: Yun Ma
  • Patent number: 8292631
    Abstract: An electrical connector includes an insulative housing and a number of electrical contacts secured to the insulative housing. The insulative housing has a pair of opposite top surface and bottom surfaces. Each electrical contact includes a retaining section received in the insulative housing, a flat offset section bending from a top end of the retaining section and extending along the top surface of the insulative housing, a soldering section bending from a bottom end of the retaining section, and a cantilevered contact arm bending downwardly from the offset section and projecting into the insulative housing.
    Type: Grant
    Filed: November 16, 2010
    Date of Patent: October 23, 2012
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 8282409
    Abstract: An electrical connector includes an insulting housing defining a receiving room and an inserting opening through which the module is inserted in the receiving room in an inserting direction. A plurality of contacts are retained in the housing and each contact comprises an engaging portion extending in the receiving room. A pair of latching structures is located in front of the inserting opening to limit the module in the receiving room in the inserting direction of the module, the latching structures being urged to move downward to allow the module into the receiving room.
    Type: Grant
    Filed: May 10, 2010
    Date of Patent: October 9, 2012
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 8251726
    Abstract: An electrical connector for receiving a card includes an insulating housing, terminals and a metal frame attached to the housing. The housing includes a base having a terminal-location portion, a pair of sidewalls extending a first direction and a rear wall adjacent to the terminal-location portion. The terminals are arranged in the terminal-location portion along a second direction perpendicular to the first direction. The metal frame is attached to the housing and includes a base portion located above the terminal-location portion to define a receiving slot between the terminal-location portion and the base portion for receiving a mating end of the card, the base portion is not beyond the terminal-location portion in the first direction and the receiving. The metal frame further includes a pair of locking portions adapted for pressing against a top face of the card to lock the card in the insulating housing and moving outwards in the second direction to release the card.
    Type: Grant
    Filed: May 25, 2010
    Date of Patent: August 28, 2012
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventor: Hao-Yun Ma
  • Publication number: 20120176047
    Abstract: The present invention provides a light emitting diode (LED) device. The LED device include a driver, a first LED coupled in series with the driver, and an impedance-providing component coupled in parallel with the first LED and in series with the driver. The impedance-providing component provides a shunt impedance having a value that varies in positive proportion with a variation in an ambient temperature. The driver is respectively coupled in series with the first LED and the at least one impedance-providing component. The driver provides a drive current divided to flow through the first LED and the at least one impedance-providing component according to the shunt impedance and the internal impedance.
    Type: Application
    Filed: January 10, 2012
    Publication date: July 12, 2012
    Applicant: EVERLIGHT ELECTRONICS CO., LTD.
    Inventors: Shun-Chang Li, Tzu-Hao Chao, Ching-Yun Ma
  • Publication number: 20120180002
    Abstract: Different gestures and actions are used to interact with spreadsheets. The gestures are used in manipulating the spreadsheet and performing other actions in the spreadsheet. For example, gestures may be used to move within the spreadsheet, select data, filter, sort, drill down/up, zoom, split rows/columns, perform undo/redo actions, and the like. Sensors that are associated with a device may also be used in interacting with spreadsheets. For example, an accelerometer may be used for moving and performing operations within the spreadsheet.
    Type: Application
    Filed: January 7, 2011
    Publication date: July 12, 2012
    Applicant: MICROSOFT CORPORATION
    Inventors: John Campbell, Amy Lin, Lawrence Waldman, Sherman Der, Karen Cheng, Christopher Doan, Thomas Constantine, Chad Rothschiller, Yun Ma
  • Publication number: 20120122346
    Abstract: An electrical connector includes an insulative housing and a number of electrical contacts secured to the insulative housing. The insulative housing has a pair of opposite top surface and bottom surfaces. Each electrical contact includes a retaining section received in the insulative housing, a flat offset section bending from a top end of the retaining section and extending along the top surface of the insulative housing, a soldering section bending from a bottom end of the retaining section, and a cantilevered contact arm bending downwardly from the offset section and projecting into the insulative housing.
    Type: Application
    Filed: November 16, 2010
    Publication date: May 17, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: HAO-YUN MA
  • Patent number: 8123574
    Abstract: A contact adapted for electrically connecting with an IC package and a printed circuit board, comprises a base portion adapted for being retained to an insulating housing, a solder portion extending from a lower end of the base portion and a turned portion bent downwardly from one end of the base portion. The solder portion is adapted for soldering the contact to the printed circuit board. The contact further includes a resilient arm extending upwardly from a bottom end of the turned portion. The resilient arm has an inclined portion and a cantilever beam. The inclined portion is connecting with the turned portion. The cantilever extends upwardly from a top end of the inclined portion and toward the turned portion to lengthen the resilient arm of the contact. Housing cavities may be formed to cause pre-loading of the resilient arms as they are inserted into the cavities.
    Type: Grant
    Filed: January 20, 2010
    Date of Patent: February 28, 2012
    Assignee: Hon Hai Precision Ind. Co. Ltd.
    Inventor: Hao-Yun Ma
  • Patent number: 8123541
    Abstract: An electrical connector for electrically connecting a module to a printed circuit board, comprises an insulative housing receiving the module, a plurality of contacts received in the insulative housing and a cover pivotally assembled to the insulative housing. The cover presses upon the module and extends beyond a rear end of the insulative housing to further limit or press a part of the module exposed outside the insulative housing. The electrical connector can reliably retain the module.
    Type: Grant
    Filed: May 4, 2010
    Date of Patent: February 28, 2012
    Assignee: Hon Hai Precision Ind. Co., Ltd.
    Inventors: Shuo-Hsiu Hsu, Hao-Yun Ma, Fang-Jwu Liao