Conductive Spring On Exterior Of Corresponding Shield Patents (Class 439/607.19)
  • Patent number: 12074395
    Abstract: A board end connector and a connector assembly. The board end connector comprises a board end insulating body, a terminal module, and a housing. The board end insulating body comprises a board end plugging surface and a plugging slot. The plugging slot is disposed on the board end plugging surface and comprises two interference sidewalls which are oppositely disposed. The terminal module is disposed in the board end insulating body. The housing is disposed on one side of the board end insulating body. A plugging bump member is provided on one side of the housing. The plugging bump member is disposed in the plugging slot. An interfering bump is provided on at least one side of the plugging bump member. The interfering bump interferes with at least one of the two interference sidewalls to increase the holding force between the housing and the board end insulating body.
    Type: Grant
    Filed: December 22, 2022
    Date of Patent: August 27, 2024
    Assignee: DONGGUAN LUXSHARE TECHNOLOGIES CO., LTD
    Inventors: ShengYu Wu, RongZhe Guo, XueHai Shen, YiHeng Lin, HongJi Chen
  • Patent number: 11764520
    Abstract: A board end connector and a connector assembly are provided. The board end connector comprises a board end connector body and a board end housing. The board end housing comprises a board end accommodating part and a buckling slot. Wherein the board end accommodating part accommodates the board end connector body. An end surface of the board end accommodating part in the first direction comprises a board end opening. The buckling slot is disposed at one side of the board end accommodating part. A buckling bump is provided in the buckling slot. A sidewall of the buckling bump in a second direction orthogonal to the first direction and away from the board end accommodating part comprises a board end buckling part. The board end buckling part comprises a retaining opening and a buckling elastic piece.
    Type: Grant
    Filed: December 1, 2022
    Date of Patent: September 19, 2023
    Assignee: DONGGUAN LUXSHARE TECHNOLOGIES CO., LTD
    Inventors: Bin Huang, HongJi Chen
  • Patent number: 11764521
    Abstract: A board end connector and a connector assembly are provided. The board end connector comprises a board end connector body and a board end housing. The board end housing comprises a board end accommodating part and a buckling slot. Wherein the board end accommodating part accommodates the board end connector body. An end surface of the board end accommodating part in the first direction comprises a board end opening. The buckling slot is disposed at one side of the board end accommodating part. A buckling bump is provided in the buckling slot. A sidewall of the buckling bump in a second direction orthogonal to the first direction and away from the board end accommodating part comprises a board end buckling part. The board end buckling part comprises a retaining opening and a buckling elastic piece.
    Type: Grant
    Filed: December 1, 2022
    Date of Patent: September 19, 2023
    Assignee: DONGGUAN LUXSHARE TECHNOLOGIES CO., LTD
    Inventors: Bin Huang, HongJi Chen
  • Patent number: 11626690
    Abstract: A cable connector configured to secure a cable is provided. The cable connector has a casing, a latch, and a pulling member. The casing is configured to secure an end of the cable. The latch has a lower portion and an upper portion. The lower portion is secured on the casing and has a lower through hole. The upper portion has at least one upper through hole and at least one protrusion. The pulling member is connected with the upper through hole and penetrates the lower through hole. While the pulling member is pulled away from the latch along a first direction, the pulling member pulls the upper portion toward the lower portion along a second direction, so as to adjust a position of the protrusion. Thus, the latch may not be separated from the casing when a user pulls the pulling member.
    Type: Grant
    Filed: November 30, 2021
    Date of Patent: April 11, 2023
    Assignee: Bizlink International Corporation
    Inventors: Hsin Tuan Hsiao, Jui Hung Chien
  • Patent number: 10958017
    Abstract: The invention relates to a contact element (1) for a connector (2), having: an at least partially electrically conductive housing (3) for connection to an earth conductor (4.2) of an electrical cable (4), and at least one inner conductor part (6) for connection to at least one signal lead (4.4) of the electrical cable (4). In a contact region (9) of the housing (3) at the front in the insertion direction, there are at least two resilient tongues (10, 11), wherein the resilient tongues (10, 11) are each secured movably at a first, free end (10.1, 11.1) and immovably at a second end (10.2, 11.2). There are two groups of resilient tongues (10, 11), wherein the resilient tongues (10) of a first group are arranged such that the free ends (10.1) thereof face a front end (9.1) of the contact region (9), and the resilient tongues (11) of a second group are arranged such that the free ends (11.1) thereof face away from the front end (9.1) of the contact region (9).
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: March 23, 2021
    Assignee: ROSENBERGER HOCHFREQUENZTECHNIK GMBH & CO. KG
    Inventors: Till Bredbeck, Martin Zebhauser, Florian Hohenadl
  • Patent number: 10950984
    Abstract: An accessory for an electronic device includes a plug connector that is configured to connect to an electronic device when the electronic device is received by the accessory. The accessory also includes a receptacle connector at an exterior surface for coupling the accessory to a charging system when a mating connector is received within a receiving cavity of the receptacle connector. A bracket electrically and mechanically couples the plug connector to the receptacle connector. A ground spring is coupled to an exterior metallic shell of the receptacle connector and has a pair of spring arms that each have a distal end positioned within the receiving cavity such that when a mating plug connector is received within the receiving cavity a low-impedance ground path is formed between the mating connector and the plug connector.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: March 16, 2021
    Assignee: Apple Inc.
    Inventors: Michael A. Kinney, Mahmoud R. Amini, Rui Zhou, Brock A. Zekany
  • Patent number: 10601181
    Abstract: An electrical connector system with a receptacle and plug. The receptacle has a metal housing encircling an insulative housing. A side wall of the metal housing is separated from a corresponding side wall of the insulative housing, leaving a groove. The plug has a wall, extending from an insulative housing of the plug, parallel to a paddle card. The metal housing may be shaped to engage with the wall during mating of the plug and receptacle, facilitating alignment of the paddle card and plug interface of the receptacle. The wall may also carry latching components, which may latch to corresponding features of the metal housing, reducing the height of the mated connectors in comparison to configurations in which the latching components are mounted to the insulative housing of the plug. The receptacle housing may have asymmetric support parts, providing support in a compact space.
    Type: Grant
    Filed: November 30, 2018
    Date of Patent: March 24, 2020
    Assignee: Amphenol East Asia Ltd.
    Inventors: Lo-Wen Lu, Jong-Shiun Jiang, Chia-Te Huang
  • Patent number: 10297956
    Abstract: A plug connector for insertion into a socket comprises a plug connector frame and a spring element. The plug connector frame has a side wall and a front opening receiving a cable head. The spring element is formed of a resilient material and electrically connects the cable head and the socket. The spring element has a first contacting portion projecting inward from the side wall and electrically contacting the cable head and a second contacting portion projecting outward from the side wall and electrically contacting the socket.
    Type: Grant
    Filed: October 5, 2017
    Date of Patent: May 21, 2019
    Assignee: TE Connectivity Germany GmbH
    Inventors: Samir Abouklassem, Robert Wuerker, Christian Schrettlinger, Guenther Mumper, Alfons Ketteler, Bert Bergner
  • Patent number: 10271446
    Abstract: The disclosure relates to a grounding component for electrically grounding an electronic component comprising an electrically conductive part.
    Type: Grant
    Filed: April 14, 2015
    Date of Patent: April 23, 2019
    Assignee: INTERDIGITAL CE PATENT HOLDINGS
    Inventors: Pierre-Marie Morin, Dominique Lo Hine Tong, Jean-Marc Le Foulgoc
  • Patent number: 10199776
    Abstract: An electrical connector includes a terminal module including an insulating housing, a plurality of terminals and a shielding plate. The insulating housing defines a base and a mating tongue extending from the base, the mating tongue defines opposite mating surfaces, a front face and opposite side faces connecting with the mating surfaces and the front face. The terminals include contacting sections exposed upon the mating surfaces and leg sections out of the base. The shielding plate is embedded in the insulating housing and includes a main portion disposed between the mating surfaces and two thickened side portions, the side portions enclose opposite side faces of the mating tongue and each provides a side latch at an outer side face thereof. The side portions extend forward to the front face of the mating tongue and rearward to the base.
    Type: Grant
    Filed: June 26, 2017
    Date of Patent: February 5, 2019
    Assignee: FOXCONN INTERCONNECT TECHNOLOGY LIMITED
    Inventors: Chih-Pi Cheng, Wen He, Quan Wang, Yang Qu
  • Patent number: 9736347
    Abstract: A camera module for a vehicle according to the present invention includes a first Printed Circuit Board (PCB) configured to have an image sensor mounted on its surface; a second PCB configured to supply a power source to the first PCB; an outer shield installed to surround the side of the first and the second PCBs and to shield the first and the second PCBs from electromagnetic interference (EMI); and a plurality of support units disposed at positions where the supports units interfere with the first and the second PCBs of the outer shield and configured to support the first and the second PCBs.
    Type: Grant
    Filed: March 11, 2015
    Date of Patent: August 15, 2017
    Assignee: LG INNOTEK CO., LTD.
    Inventors: Sangyeal Han, Bumsig Cho, Daeseung Kim, Seungho Lee
  • Publication number: 20150093936
    Abstract: A receptacle connector mounted to the printed circuit board, includes an insulative housing defining a mating tongue and a metallic shell enclosing the housing to form a mating cavity in which said mating tongue forwardly extends. A complementary plug connector includes a shell with a bull-nose tip. A metallic piece is mounted around a root of the mating tongue and equipped with a plurality of spring tangs to contact the relatively rigid bull-nose tip of the shell of the complementary connector for EMI/RFI protection.
    Type: Application
    Filed: December 10, 2014
    Publication date: April 2, 2015
    Inventors: TERRANCE F. LITTLE, STEPHEN SEDIO, CHIH-PI CHENG, YUAN ZHANG, DE-CHENG ZOU, AN-JEN YANG
  • Publication number: 20140322953
    Abstract: An electrical connector comprises a metal shell defining an opening for inserting a connection counterpart therethrough. The electrical connector has a cantilever spring extending from an end, on the opening side, of the metal shell and folded back outward. The cantilever spring has a free end portion passing through a hole formed in the metal shell, and extending to the inside of the metal shell. Preferably, the metal shell has a top surface and a bottom surface facing each other and the cantilever spring is provided to at least one of the top surface and the bottom surface.
    Type: Application
    Filed: October 1, 2013
    Publication date: October 30, 2014
    Applicant: Japan Aviation Electronics Industry, Limited
    Inventor: Masayuki KATAYANAGI
  • Patent number: 8834206
    Abstract: An electrical connector 100 includes an insulative housing 1, a plurality of contacts 2, a metal shell 3 and a grounding plate 4. The metal shell 3 includes a front shell 31 having a top wall 311 and an assembling portion 318 extending upwardly from the top wall 311 and having an accommodating slot 3181. The grounding plate 4 includes a base portion 41 inserted into the accommodating slot 3181 and a protruding portion 42 having an elastic mating portion 423 connected with a mating connector. The metal shell 3 further has a rear shell 32 having a vertical covering plate 321 having a resisting portion 3211 extending upwardly and a shielding plate 323 extending forwardly from a top of the covering plate 321. The resisting portion 3211 upwardly abuts against the top wall 311. The grounding plate 4 would be easily assembled to the metal shell 3.
    Type: Grant
    Filed: January 3, 2013
    Date of Patent: September 16, 2014
    Assignee: Hon Hai Precision Industry Co., Ltd.
    Inventors: Xun-San Tao, Hong-Qiang Han, Zi-Qiang Zhu
  • Patent number: 8821181
    Abstract: According to an example embodiment, an electrical connector may include an electrical cord comprising a plurality of wires, and a plug connected to the electrical cord. The plug may include electrical contacts coupled to the plurality of electrical wires, and at least one latch. The at least one latch may be biased to extend away from the plug, an end surface of the at least one latch being within two tenths of a millimeter of an end surface of the plug opposite from the electrical cord.
    Type: Grant
    Filed: October 9, 2013
    Date of Patent: September 2, 2014
    Assignee: Google Inc.
    Inventors: Lawrence Lam, Adam Rodriguez, Jeffrey Hayashida, Kenneth Ryan Loo, Aaron Leiba, Daniel Fourie
  • Patent number: 8758057
    Abstract: A cable-to-board connector includes a plug connector and a receptacle connector. The plug connector includes a plug housing, a plurality of plug terminals disposed in the plug housing, and a plug shielding shell surrounding the plug housing. At least two buckling blocks protrude oppositely from two outer surfaces of two opposite sides of the plug shielding shell. The receptacle connector includes a receptacle housing, a plurality of receptacle terminals disposed in the receptacle housing, and a receptacle shielding shell defining a receptacle accommodating space therein. The receptacle housing is inserted in a front of the receptacle accommodating space. Each side of the receptacle shielding shell defines at least one second buckling hole. A rear inner periphery of the receptacle shielding shell is attached to a front outer periphery of the plug shielding shell with the buckling blocks being buckled in the second buckling holes.
    Type: Grant
    Filed: January 20, 2012
    Date of Patent: June 24, 2014
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventors: Rong-Qin Lan, Li-Jun Xu, Ming-Han Lin
  • Patent number: 8696388
    Abstract: Electrical connections that provide a highly manufacturable, well-shielded path from a cable to a printed circuit board. One example provides a path that includes a card and a connector. Conductors in a cable may be attached to a card. The card may be shielded with a ground plane on one or more sides and edges. The card may insert into a connector that may be attached to a printed circuit board. The connector may include a shield that may have a top portion that forms electrical contact with a ground plane on a top of a card inserted in the connector. The connector may have an opening for accepting the card that is defined by the top portion of the shield and a plurality of rows of contacts. The rows of contacts may include an outer row of ground contacts, and an inner row of signal contacts.
    Type: Grant
    Filed: April 22, 2013
    Date of Patent: April 15, 2014
    Assignee: Apple Inc.
    Inventors: Zheng Gao, George Tziviskos, Min Chul Kim, Vincent Duperron, George V. Anastas, Gregory A. Springer
  • Patent number: 8657628
    Abstract: A universal serial bus (USB) connector includes a main body and a conductive member. The main body is fastened to an enclosure. The main body includes at least one USB interface. The conductive member includes an engaging portion for engaging with the main body and abutting against each housing of the at least one USB interface, and a connection tab abutting against the enclosure.
    Type: Grant
    Filed: July 26, 2012
    Date of Patent: February 25, 2014
    Assignees: Hon Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Ze-Liang Xie
  • Patent number: 8535094
    Abstract: Disclosure relates to an elastic member mounted in a securing part formed at a male shielded connector or a female shielded connector and configured to establish an electrical connection between the male shielded connector and the female shielded connector when the male shielded connector and the female shielded connector are assembled. The elastic member includes a plate spring having a predetermined length; an elastic piece being elastically deformable and formed by bending a portion of one or both sides of the plate spring in the lengthwise direction of the plate spring; and a fixing member formed on the plate spring and configured to prevent the elastic member from separating from the male shielded connector or the female shielded connector when the male shielded connector and the female shielded connector are disassembled.
    Type: Grant
    Filed: April 1, 2009
    Date of Patent: September 17, 2013
    Assignee: LS Cable & System Ltd.
    Inventors: Bok-Hee Youn, Yong-Joon Noh, Sei-Hoon Cho
  • Patent number: 8348701
    Abstract: A cable connector assembly connecting between a cable and a printed circuit board includes a plug connector and a receptacle connector. The plug connector includes a plug housing, a plurality of plug terminals received in the plug housing, and a plug shielding shell surrounding the plug housing. A plurality of contact strips extend downward from a periphery of the plug shielding shell to be attached to a periphery of the plug housing. The receptacle connector includes a receptacle housing, a plurality of receptacle terminals received in the receptacle housing, and a receptacle shielding shell surrounding the receptacle housing. A plurality of elastic strips is bent inward and then downward from a periphery of the receptacle shielding shell. The plug connector is engaged with the receptacle connector with the plug terminals contacting with the receptacle terminals and the contact strips contacting with the elastic strips.
    Type: Grant
    Filed: November 2, 2011
    Date of Patent: January 8, 2013
    Assignee: Cheng Uei Precision Industry Co., Ltd.
    Inventors: Rong-Qin Lan, Li-Jun Xu, Ming-Han Lin
  • Patent number: 8337247
    Abstract: An electrical connector includes an insulative housing, a pair of terminals and a metallic shell retained in the insulative housing. The insulative housing includes a mating portion defining a first surface, a second surface opposite to the first surface and a front surface connecting the first and second surfaces. A receiving space formed in the mating portion and penetrating through the front surface. The terminals include contact portions extending into the receiving space. The metallic shell includes a first wall extending forwardly, an end wall bending downwardly from a front end of the first wall and a second wall bending rearwardly from a bottom end of the end wall. The first and second walls cover the first and second surfaces of the mating portion respectively. The end wall covers the front surface and defines an opening communicating with the receiving space.
    Type: Grant
    Filed: September 5, 2011
    Date of Patent: December 25, 2012
    Assignee: Hon Hai Precision Ind. Co., Ltd
    Inventor: Yu Zhu
  • Publication number: 20120214345
    Abstract: An electrical connector assembly (100) comprises: a housing (1) having a rear body portion (12) and a front mating portion (13), two paralleled printed circuit boards (2) disposed in the housing and positioned by the housing, two cables (4) respectively electrically connected to the two printed circuit boards, a spacer (3) sandwiched between the two printed circuit boards and positioned by the housing, a metallic holder (8) surrounding the body portion, and a metallic gasket (9) surrounding a rear section of the mating portion. The metallic gasket has a number of ribs (135) around a front end thereof and the housing has on an outer surface thereof a plurality of slits receiving the ribs (95).
    Type: Application
    Filed: February 17, 2012
    Publication date: August 23, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: JERRY WU
  • Publication number: 20120190237
    Abstract: An electrical connector includes an insulative housing, a pair of terminals and a metallic shell retained in the insulative housing. The insulative housing includes a mating portion defining a first surface, a second surface opposite to the first surface and a front surface connecting the first and second surfaces. A receiving space formed in the mating portion and penetrating through the front surface. The terminals include contact portions extending into the receiving space. The metallic shell includes a first wall extending forwardly, an end wall bending downwardly from a front end of the first wall and a second wall bending rearwardly from a bottom end of the end wall. The first and second walls cover the first and second surfaces of the mating portion respectively. The end wall covers the front surface and defines an opening communicating with the receiving space.
    Type: Application
    Filed: September 5, 2011
    Publication date: July 26, 2012
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventor: YU ZHU
  • Publication number: 20120071028
    Abstract: A connector to be disposed within a housing of an electronic device includes a main body and a conduction member. The conduction member includes a connecting portion and a resilient portion. The resilient portion is formed on the connecting portion and configured to abut against the housing. An EMI shield being formed on the housing, which includes at least one spring arm in the lengthwise direction and at least one spring arm in the crosswise direction on the EMI shield are sited to fixate the connection between the connector and the electronic device.
    Type: Application
    Filed: December 1, 2011
    Publication date: March 22, 2012
    Inventors: CHIH-MING LAI, Yung-Shun Kao
  • Publication number: 20110250792
    Abstract: A connector assembly includes a connector having a connector housing holding contacts, with the contacts being configured to be terminated to cables extending rearward from the connector housing. The connector assembly also includes a backshell having walls defining a cavity receiving the connector housing and cables. The backshell is electrically connected to cable shields of the cables. The backshell has fingers extending from the walls that are configured to engage a grounded component exterior of the cavity. Distal ends of the fingers are captured interior of the cavity.
    Type: Application
    Filed: April 12, 2010
    Publication date: October 13, 2011
    Applicant: TYCO ELECTRONICS CORPORATION
    Inventors: ROBERT NEIL WHITEMAN, JR., CHRISTOPHER DAVID RITTER
  • Patent number: 7959467
    Abstract: A transceiver module that utilizes a side contact spring portion to ground a shielded cable that is plugged into the transceiver module. In one example embodiment, a transceiver module includes a housing, a jack, and a side contact spring portion. The housing is operative to be electrically connected to chassis ground when the transceiver module is received within a host port. The jack is defined in the housing and operative to receive a shielded plug. The side contact spring portion is substantially implemented within the jack and is configured to be in electrical contact with both the housing and a conductive element of the shielded plug received by the jack such that a chassis ground is established between the housing and the shielded plug and such that a moveable bail pivot lever is able to move without disrupting the electrical contact between the side contact spring portion and the housing and/or the conductive element of the shielded plug.
    Type: Grant
    Filed: November 3, 2009
    Date of Patent: June 14, 2011
    Assignee: Finisar Corporation
    Inventors: Gary D. Sasser, Chris Togami
  • Patent number: 7914328
    Abstract: A shielded connector which makes a shell unnecessary while ensuring a shielding function. A housing holds a housing plurality of contacts each including a contact portion brought into contact with an associated one of contact portions of a plurality of mating contacts. The connector is provided with a shield member including a shield plate body which partitions the contact portions of the contacts into two groups, a first spring portion which is brought into contact with an inner wall surface of a shell of a mating connector, and a second spring portion which is brought into contact with the inner wall surface of the shell.
    Type: Grant
    Filed: May 6, 2010
    Date of Patent: March 29, 2011
    Assignee: Japan Aviation Electronics Industry, Limited
    Inventors: Yukitaka Tanaka, Chikara Kawamura
  • Patent number: 7896708
    Abstract: An electrical connector system provides both electrically conductive connection and infrared coupling, and includes at least one electrically conductive member adapted to provide electrically conductive connection to another electrically conductive member, an infrared member adapted to provide infrared member coupling with another infrared member, and wherein the at least one electrically conductive member and the infrared member being held in positional relation to each other to be positioned with respect to a further electrical connector for electrically conductive connection and infrared coupling with respect thereto. A method of connecting electrical signals uses a pair of electrical connectors, each having an electrically conductive connection portion and an infrared coupling portion to provide for both electrically conductive connection and infrared coupling between the electrical connectors. The invention may be used in portable electronic equipment, including mobile phones, for example.
    Type: Grant
    Filed: October 30, 2007
    Date of Patent: March 1, 2011
    Assignee: Sony Ericsson Mobile Communications AB
    Inventor: Markus Agevik
  • Publication number: 20110045699
    Abstract: The present invention relates to an elastic member that is installed outside of a terminal contact portion where a male shielded connector is connected to a female shielded connector, and consequently prevents metal powder generated due to its friction with the male shielded connector or the female shielded connector from intruding into the terminal contact portion, and permits easy connection and detachment of the male shielded connector to/from the female shielded connector and stably maintains the connection between the male shielded connector and the female shielded connector, and a shielded connector assembly having the same.
    Type: Application
    Filed: April 1, 2009
    Publication date: February 24, 2011
    Inventors: Bok-Hee Youn, Yong-Joon Noh, Sei-Hoon Cho
  • Publication number: 20100112861
    Abstract: A transceiver module that utilizes a side contact spring portion to ground a shielded cable that is plugged into the transceiver module. In one example embodiment, a transceiver module includes a housing, a jack, and a side contact spring portion. The housing is operative to be electrically connected to chassis ground when the transceiver module is received within a host port. The jack is defined in the housing and operative to receive a shielded plug. The side contact spring portion is substantially implemented within the jack and is configured to be in electrical contact with both the housing and a conductive element of the shielded plug received by the jack such that a chassis ground is established between the housing and the shielded plug and such that a moveable bail pivot lever is able to move without disrupting the electrical contact between the side contact spring portion and the housing and/or the conductive element of the shielded plug.
    Type: Application
    Filed: November 3, 2009
    Publication date: May 6, 2010
    Applicant: FINISAR CORPORATION
    Inventors: Gary D. Sasser, Chris Togami
  • Publication number: 20100093215
    Abstract: An electrical connector (100) for abutting against a metal plate (200), comprises an insulative housing (1) defining a main body (11) and a tongue plate (12) extending forwardly from the main body, a plurality of terminals (2) retained in the main body and extending into the tongue plate, a metal shell (3) shielding the insulative housing and comprising an upper wall (31), a pair of side walls (32) extending downwardly from two lateral sides of the upper wall, and a bottom wall (34) in parallel with the upper wall, and a spring member (5) defining a securing portion (51) fixed to the shell and a resilient resisting portion (52) abutting against the metal plate. A plurality of fingers (35) are formed on the upper wall, the side walls and the bottom wall.
    Type: Application
    Filed: August 13, 2009
    Publication date: April 15, 2010
    Applicant: HON HAI PRECISION INDUSTRY CO., LTD.
    Inventors: Feng Xiong, Hong-Qiang Han, Lun-Song Hu, Zi-Qiang Zhu