Patents by Inventor Li-Sen Chen
Li-Sen Chen 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).
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Publication number: 20240000488Abstract: A trumpet expandable vertebral device, includes: a center shaft including a cylinder body and an expanding ring connected to each other, wherein the cylinder body has a far end which has an outer thread; and an expandable portion including an end collar, a connection part and plural expandable plates, wherein the expandable portion is located outside and surrounds the center shaft, and the connection part connects the end collar with the plurality of expandable plates; wherein when the expanding ring moves toward the end collar, the trumpet expandable plates are expanded.Type: ApplicationFiled: September 19, 2023Publication date: January 4, 2024Inventors: Li-Sen Chen, Che-Yang Chao, Wei-Tai Jao
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Patent number: 11784441Abstract: A connector structure includes an insulated housing, at least one terminal assembly and at least one conductive assembly. The terminal assembly is disposed in the insulated housing. The conductive assembly is disposed at one side of the terminal assembly by crossing over the terminal assembly. The conductive assembly includes at least one metal piece and at least one polymer included conductive component. The polymer included conductive component is used to electrically connect the at least one metal pieces. The metal piece includes at least one spring finger contact, and the spring finger contact is electrically connected to the ground terminal in the terminal assembly. In additional, a terminal assembly structures of connector is also provided.Type: GrantFiled: November 15, 2021Date of Patent: October 10, 2023Assignee: INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTEInventors: Tien-Fu Huang, Li-Sen Chen, Yi-Fu Chiu, I-Ting Hsieh
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Publication number: 20220166173Abstract: A connector structure includes an insulated housing, at least one terminal assembly and at least one conductive assembly. The terminal assembly is disposed in the insulated housing. The conductive assembly is disposed at one side of the terminal assembly by crossing over the terminal assembly. The conductive assembly includes at least one metal piece and at least one polymer included conductive component. The polymer included conductive component is used to electrically connect the at least one metal pieces. The metal piece includes at least one spring finger contact, and the spring finger contact is electrically connected to the ground terminal in the terminal assembly. In additional, a terminal assembly structures of connector is also provided.Type: ApplicationFiled: November 15, 2021Publication date: May 26, 2022Inventors: TIEN-FU HUANG, LI-SEN CHEN, YI-FU CHIU, I-TING HSIEH
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Publication number: 20210186578Abstract: A trumpet expandable vertebral device, includes: a center shaft having a front end and a rear end; a trumpet expandable part mounted outside and surrounding the center shaft, wherein the trumpet expandable part includes: plural expandable plates, each expandable plate having a thickness which increases from the front end toward the rear end; a fixed part, for fixing the relative position of the trumpet expandable part with respect to the center shaft in an axial direction of the center shaft, but allowing the center shaft to rotate with respect to the trumpet expandable part within the fixed part in a radial direction of the center shaft; and a connection part for connecting the trumpet expandable plates with the fixed part; a trumpet expanding ring mounted outside and surrounding the center shaft, wherein the trumpet expanding ring is located between the center shaft and the trumpet expandable part in the radial direction; wherein when the trumpet expanding ring moves toward the rear end relatively to the trType: ApplicationFiled: December 13, 2020Publication date: June 24, 2021Inventors: Li-Sen Chen, Che-Yang Chao, Li-Hwan Kao
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Publication number: 20210145601Abstract: An expandable vertebral device with triangular connection beam includes: a rotatable center shaft; a fixed part, wherein the rotatable center shaft penetrates through the fixed part and is rotatable relative to the fixed part; a movable slide, surrounding a portion of the rotatable center shaft, and is movable along an axial direction of the rotatable center shaft in response to a rotation of the rotatable center shaft; at least one first connection beam, which is rotatably connected to the fixed part; at least one second connection beam, which is rotatably connected to the movable slide, and is rotatably connected to the corresponding first connection beam; whereby when the rotatable center shaft rotates within the fixed part so that the movable slide moves away from the fixed part, the first and second connection beams are expanded to restore a vertebra to its original shape.Type: ApplicationFiled: November 12, 2020Publication date: May 20, 2021Inventors: Li-Sen Chen, Che-Yang Chao, Li-Hwan Kao
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Patent number: 10784626Abstract: An electrical connector includes a plug and a sliding lock element. The plug includes an inserting portion, a cover portion, and a first sidewall portion. The cover portion covers one end of the inserting portion. The first sidewall portion is perpendicularly connected to the cover portion. A gap is formed between the first sidewall portion and the inserting portion. The sliding lock element is assembled on the plug. The sliding lock element includes a lid portion, a vertical extension portion, and a fitting portion. The lid portion slidably covers the cover portion of the plug. The vertical extension portion is perpendicularly connected to the lid portion. The fitting portion is connected to the vertical extension portion and extends toward the lid portion.Type: GrantFiled: December 2, 2019Date of Patent: September 22, 2020Assignee: SPEED TECH CORP.Inventors: Li-Sen Chen, Cheng-Hsiang Hsueh, Ken Hsieh
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Publication number: 20200176929Abstract: An electrical connector includes a plug and a sliding lock element. The plug includes an inserting portion, a cover portion, and a first sidewall portion. The cover portion covers one end of the inserting portion. The first sidewall portion is perpendicularly connected to the cover portion. A gap is formed between the first sidewall portion and the inserting portion. The sliding lock element is assembled on the plug. The sliding lock element includes a lid portion, a vertical extension portion, and a fitting portion. The lid portion slidably covers the cover portion of the plug. The vertical extension portion is perpendicularly connected to the lid portion. The fitting portion is connected to the vertical extension portion and extends toward the lid portion.Type: ApplicationFiled: December 2, 2019Publication date: June 4, 2020Applicant: SPEED TECH CORP.Inventors: Li-Sen CHEN, Cheng-Hsiang HSUEH, Ken HSIEH
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Publication number: 20190148887Abstract: An electrical connector includes a first terminal group, an insulation body, a conductive glue, and an insulation casing. The first terminal group includes grounding terminals and signal terminals. Each of the terminals in the first terminal group has a main portion. The insulation body is fixed to the main portion of each terminal of the first terminal group. The insulation body has openings exposing corresponding grounding terminals. The conductive glue fills the openings of the insulation body, and the conductive glue electrically connects the grounding terminals. The insulation casing includes a first side wall which includes first terminal slots. The first terminal group is disposed in the first terminal slots of the first side wall, and the conductive glue is sandwiched between the first side wall and the insulation body.Type: ApplicationFiled: July 15, 2018Publication date: May 16, 2019Inventors: Li-Sen CHEN, Chu-Cheng WU
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Patent number: 10283910Abstract: An electrical connector includes a first terminal group, an insulation body, a conductive glue, and an insulation casing. The first terminal group includes grounding terminals and signal terminals. Each of the terminals in the first terminal group has a main portion. The insulation body is fixed to the main portion of each terminal of the first terminal group. The insulation body has openings exposing corresponding grounding terminals. The conductive glue fills the openings of the insulation body, and the conductive glue electrically connects the grounding terminals. The insulation casing includes a first side wall which includes first terminal slots. The first terminal group is disposed in the first terminal slots of the first side wall, and the conductive glue is sandwiched between the first side wall and the insulation body.Type: GrantFiled: July 15, 2018Date of Patent: May 7, 2019Assignee: SPEED TECH CORP.Inventors: Li-Sen Chen, Chu-Cheng Wu
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Patent number: 9627818Abstract: An electrical connector is fixed to a circuit board, and includes an inner insulating body and terminal modules. The inner insulating body includes a docking portion and a mounting portion. Each module has a carrier and terminals. The carrier is disposed on the mounting portion. The contacts are formed from a metal film and fixed to the carrier. Each terminal has a mating portion, a tail portion and a base portion connected between the mating portion and the tail portion. The mating portion extends from outside the carrier to inside the mating hole. The tail portion extends from outside the carrier to a surface of the circuit board. Each tail portion of a portion of the terminals has a soldering surface attached to the surface of the circuit board and a soldering pin passing through the surface of the circuit board respectively.Type: GrantFiled: April 14, 2016Date of Patent: April 18, 2017Assignee: SPEED TECH CORP.Inventors: Li-Sen Chen, Cheng-Hsiang Hsueh, Chu-Cheng Wu
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Patent number: 9172195Abstract: A connector connected with an end of a coaxial cable having a small diameter is provided. The connector includes an insulating housing, a signal terminal, and a shielding housing. The insulating housing has a hollow hole, a terminal cavity, and an insulating plate. The hollow hole of the insulating housing penetrates through two surfaces of the insulating housing, and communicates with the terminal cavity of the insulating housing. The signal terminal is assembled the terminal cavity. The signal terminal has a flat portion electrically connected to the internal conductive wires of the coaxial cable. The shielding housing has a circular portion and a cover. The circular portion surrounds the outer surface of the insulating housing, and the cover of the shielding housing presses the insulating plate of the insulating housing to enable the internal conductive wires of the coaxial cable to contact the signal terminal.Type: GrantFiled: January 17, 2014Date of Patent: October 27, 2015Assignee: SPEED TECH CORP.Inventors: Li-Sen Chen, Yen-Jang Liao, Ken Hsieh
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Patent number: 8808029Abstract: A high density connector structure for transmitting high frequency signals having a first sub-assembly, a second sub-assembly, a shield plate, and a shield shell is disclosed. The first sub-assembly has a plurality of first contacts held in a first insulator, and the second sub-assembly has a plurality of second contacts held in a second insulator. The shield plate is positioned between the first and second contacts. At least one resilient arm extends from said shield plate and contacts at least one of the first contacts of the first sub-assembly. The shield shell at least partially surrounds the periphery of the first and second sub-assemblies.Type: GrantFiled: February 7, 2013Date of Patent: August 19, 2014Assignee: Speed Tech Corp.Inventors: Josue Castillo, James Patrick Young, Li-Sen Chen, Steven Wong, Hua-Chun Chang
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Publication number: 20140206229Abstract: A connector connected with an end of a coaxial cable having a small diameter is provided. The connector includes an insulating housing, a signal terminal, and a shielding housing. The insulating housing has a hollow hole, a terminal cavity, and an insulating plate. The hollow hole of the insulating housing penetrates through two surfaces of the insulating housing, and communicates with the terminal cavity of the insulating housing. The signal terminal is assembled the terminal cavity. The signal terminal has a flat portion electrically connected to the internal conductive wires of the coaxial cable. The shielding housing has a circular portion and a cover. The circular portion surrounds the outer surface of the insulating housing, and the cover of the shielding housing presses the insulating plate of the insulating housing to enable the internal conductive wires of the coaxial cable to contact the signal terminal.Type: ApplicationFiled: January 17, 2014Publication date: July 24, 2014Applicant: SPEED TECH CORP.Inventors: Li-Sen CHEN, Yen-Jang LIAO, Ken HSIEH
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Publication number: 20140080344Abstract: The invention relates to a card edge connector including an insulating body, a first fixing part, a second fixing part and a plurality of terminals. The terminals are respectively fixing on the first fixing part and the second fixing part in an insert molding manner. The first fixing part and the second fixing part are received and arranged in the insulating body. The first fixing part and the second fixing part respectively has at least one hook. At least one insertion slot is inwardly formed in the insulating body at a position corresponding to the hook; and the hooks are respectively pushed and fastened inwards towards the insertion slots, so that the first fixing part and the second fixing part are assembled and located on the insulating body.Type: ApplicationFiled: December 19, 2012Publication date: March 20, 2014Applicant: SPEED TECH CORP.Inventors: Josue CASTILLO, James Patrick YOUNG, Li-Sen CHEN, Yen-Jang LIAO, Pei-Lei TU
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Publication number: 20140030927Abstract: A card edge connector is provided, including an insulating body, a plurality of terminals and a pair of ear clips. The plurality of terminals and the ear clips are received and arranged in the insulating body. Each terminal comprises a fixed part, with a contact part formed by extending from one end of the fixed part, and a welding part formed by extending from another end of the fixed part. An extending part is arranged between the fixed part and the contact part, and at least one coupling protrusion is arranged outwards on the fixed part in a protruding way. The coupling protrusion is in interference fit with the insulating body, and the impedance value of each terminal is adjusted by changing the appearance and size of the coupling protrusion, where an optimal area of one of the coupling protrusions is 0.3 mm*0.7 mm.Type: ApplicationFiled: December 19, 2012Publication date: January 30, 2014Applicant: SPEED TECH CORP.Inventors: Li-Sen CHEN, Yen-Jang LIAO, Pei-Lei TU, Josue CASTILLO, James Patrick YOUNG
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Publication number: 20140024257Abstract: A high density connector structure for transmitting high frequency signals having a first sub-assembly, a second sub-assembly, a shield plate, and a shield shell is disclosed. The first sub-assembly has a plurality of first contacts held in a first insulator, and the second sub-assembly has a plurality of second contacts held in a second insulator. The shield plate is positioned between the first and second contacts. At least one resilient arm extends from said shield plate and contacts at least one of the first contacts of the first sub-assembly. The shield shell at least partially surrounds the periphery of the first and second sub-assemblies.Type: ApplicationFiled: February 7, 2013Publication date: January 23, 2014Applicant: SPEED TECH CORP.Inventors: Josue CASTILLO, James Patrick YOUNG, Li-Sen CHEN, Steven WONG, Hua-Chun CHANG
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Patent number: 8172613Abstract: The present invention relates to a coaxial cable end connector, which includes an insulating housing, a signal terminal, and a shielding housing. The insulating housing includes a hollow hole, a terminal cavity, and an insulating plate. The signal terminal is disposed in the terminal cavity. The signal terminal includes a flat portion, wherein the flat portion of the signal terminal is electrically connected with an end of an internal conductive wire of the coaxial cable. A through hole is formed on a central region of the flat portion of the signal terminal, and two limiting pillars is disposed around an edge of the through hole of the signal terminal for positioning the internal conductive wire of the coaxial cable. The shielding housing includes a circular portion and a cover, wherein the circular portion of the shielding housing surrounds the insulating housing.Type: GrantFiled: June 7, 2011Date of Patent: May 8, 2012Assignee: Speed Tech Corp.Inventors: Li-Sen Chen, Yen-Jang Liao, Ken Hsieh
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Publication number: 20120094533Abstract: The present invention relates to a coaxial cable end connector, which includes an insulating housing, a signal terminal, and a shielding housing. The insulating housing includes a hollow hole, a terminal cavity, and an insulating plate. The signal terminal is disposed in the terminal cavity. The signal terminal includes a flat portion, wherein the flat portion of the signal terminal is electrically connected with an end of an internal conductive wire of the coaxial cable. A through hole is formed on a central region of the flat portion of the signal terminal, and two limiting pillars is disposed around an edge of the through hole of the signal terminal for positioning the internal conductive wire of the coaxial cable. The shielding housing includes a circular portion and a cover, wherein the circular portion of the shielding housing surrounds the insulating housing.Type: ApplicationFiled: June 7, 2011Publication date: April 19, 2012Inventors: Li-Sen Chen, Yen-Jang Liao, Ken Hsieh
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Patent number: 7527526Abstract: An electrical connector being adapted to be matched with a complementary device, and comprising at least an insulating housing, a terminal set and a shielding case. The shielding case substantially surrounds the insulating housing and the terminal set, the shielding case comprising at least a body and a back case. The body of the shielding case surrounds the upper, lower, left and right sides of the insulating housing, and the back case of the shielding case surrounds the back of the insulating housing substantially. The invention providing at least a stopping mechanism to apply a pressing force on the insulating housing, and the direction of the pressing force is opposite to what the complementary device plugging in.Type: GrantFiled: December 28, 2007Date of Patent: May 5, 2009Assignee: Speed Tech Corp.Inventors: Li-Sen Chen, Hua-Chun Chang
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Publication number: 20090059459Abstract: An electrostatic receiving mechanism of an electronic indicating device installed on the electronic indicating device and electrically connected to a grounding circuit of a circuit board is provided. The electrostatic receiving mechanism mainly includes a frame, a roller mechanism, and a supporting beam. The roller mechanism is assembled onto the frame and the frame and the roller mechanism may slide relative to each other along the guide rails of the frame, and the supporting beam is made of a metallic conductive material and electrically connected to the grounding circuit. The supporting beam has an extension arm extending towards and close to an outer edge of the roller mechanism, thereby forming an electrostatic receiving mechanism.Type: ApplicationFiled: August 31, 2007Publication date: March 5, 2009Applicant: SPEED TECH CORP.Inventors: Li-Sen Chen, Chien-Yu Hsu, Hui-Hsueh Chiang