Patents by Inventor Jia-Hau Liu
Jia-Hau Liu 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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Patent number: 7775805Abstract: An electrical terminal (30) received in an insulative housing (10), comprising: a main portion (31); a first contacting portion (32); a second contacting portion (33); wherein the first contacting portion comprises at least a flexible arm (321) and at least an inflexible arm (322), the flexible arm can be flexed along an up-to-down direction, and the inflexible arm hard to flex along the up-to-down direction, the flexible and inflexible arms defines a flexible contacting portion (3210) and inflexible contacting portion (3220), respectively. The flexible contacting portion is higher than the inflexible contacting portion along the up-to-down direction, the flexible contacting portion and the inflexible contacting portion are both contacted to a same corresponding electrical contacting portion; the insulative housing defining a plurality of holes, the main portion of the terminal been fixed in the hole, and the first and second contacting portion extending externally from the insulative housing.Type: GrantFiled: April 28, 2009Date of Patent: August 17, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Fang-Jwu Liao, Jia-Hau Liu
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Patent number: 7753706Abstract: An electrical connector (100) for mounting on a printed circuit board (PCB) (1), includes an insulative housing (2), a plurality of electrical contacts (22) received in the insulative housing, a load plate (3) shielding the insulative housing, a screwing element (50) screwed onto the load plate and an elastic piece (51). The screwing element is screwed onto an upper surface of the load plate. The screwing element defines a channel (5010) therein. The elastic piece forms a pair of hook portions (511). The hook portions extend through the load plate and lock the screwing element at a locking position, the hook portions of the elastic piece engage the channel of the screw element so as to indicate the locking position.Type: GrantFiled: October 7, 2009Date of Patent: July 13, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Jia-Hau Liu, Cheng-Chi Yeh, Fang-Jwu Liao, Nan-Hung Lin
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Patent number: 7744397Abstract: An electrical connector assembly comprises an insulative housing, a plurality of contacts received in the insulation housing, a linking device located in a side of the insulation housing and a load plate linking with the linking device and covering the insulation housing. The load plate has two side arms and an opening between the side arms, an expanding width of the side arm is smaller than a half of a width of the opening, two adjacent side arms of two adjacent load plates in a same row are inserted into a same opening of an opposite load plate in the other row. The electrical connector assembly can save metal material and improve manufacture efficiency.Type: GrantFiled: August 11, 2009Date of Patent: June 29, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Cheng-Chi Yeh, Jia-Hau Liu
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Patent number: 7736168Abstract: An electrical connector (100), mounted on a printed circuit board (PCB) (1), includes an insulative housing (2), a load plate (3) shielding over the insulative housing, an elastic piece (51) attached to the load plate and a screwing element (50) cooperating with the elastic piece to lock with the load plate. The insulative housing has a plurality of electrical contacts (22) received therein. The elastic piece forms a base portion (510) and a flexible element (513, 513?) extending from the base portion. The flexible element has an indicating portion (5132, 5132?) received and moveable in the cutout in response to a downward movement of the load plate.Type: GrantFiled: August 28, 2009Date of Patent: June 15, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Cheng-Chi Yeh, Jia-Hau Liu
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Publication number: 20100130049Abstract: An electrical socket comprises an insulative housing, a stiffener defined around the insulative housing, a load plate and a load lever. The housing defines two supporting portions at two opposite sides, each of said supporting portions defining a mounting portion in a middle portion thereof. The stiffener comprises a first side, a second side opposite to the first side, a third side and a fourth side opposite to the third side, the third, fourth sides defined corresponding to the two supporting portions of the housing respectively and with an engaging portion engageable with the mounting portion, each of said third, fourth sides formed with an upwardly curved configuration at a middle portion thereof for supporting the supporting portion. The two supporting portions seat on the third, fourth sides respectively, thus making a gap formed between the supporting portions and opposite end of corresponding sides respectively.Type: ApplicationFiled: November 25, 2009Publication date: May 27, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHENG-CHI YEH, JIA-HAU LIU
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Publication number: 20100087085Abstract: An electrical connector (100) for mounting on a printed circuit board (PCB) (1), includes an insulative housing (2), a plurality of electrical contacts (22) received in the insulative housing, a load plate (3) shielding the insulative housing, a screwing element (50) screwed onto the load plate and an elastic piece (51). The screwing element is screwed onto an upper surface of the load plate. The screwing element defines a channel (5010) therein. The elastic piece forms a pair of hook portions (511). The hook portions extend through the load plate and lock the screwing element at a locking position, the hook portions of the elastic piece engage the channel of the screw element so as to indicate the locking position.Type: ApplicationFiled: October 7, 2009Publication date: April 8, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: JIA-HAU LIU, CHENG-CHI YEH, FANG-JWU LIAO, NAN-HUNG LIN
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Publication number: 20100055958Abstract: A CPU socket (1) mounted on a PCB (2) includes a metallic cover (10) and an insulative housing (20). The insulative housing has an installation section (30). The metallic cover has a main portion (11), a locking portion (13) and a resilient portion (12). The resilient portion is rotatably assembly to the installation section. The metallic cover is able to rotate around the resilient portion. The locking portion and the resilient portion extend from opposite sides of the main portion, respectively. The locking portion is able to be locked and released to a locking member (32) which is fixed to the PCB. The locking portion is driven by a screwdriver (5) to release or lock to the locking member (32). The CPU socket provides a solution for locking or releasing from the PCB without a lever, which is used to lock or release the metallic cover.Type: ApplicationFiled: August 26, 2009Publication date: March 4, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: NAN-HUNG LIN, CHENG-CHI YEH, JIA-HAU LIU
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Publication number: 20100055959Abstract: An electrical connector (100), mounted on a printed circuit board (PCB) (1), includes an insulative housing (2), a load plate (3) shielding over the insulative housing, an elastic piece (51) attached to the load plate and a screwing element (50) cooperating with the elastic piece to lock with the load plate. The insulative housing has a plurality of electrical contacts (22) received therein. The elastic piece forms a base portion (510) and a flexible element (513, 513?) extending from the base portion. The flexible element has an indicating portion (5132, 5132?) received and moveable in the cutout in response to a downward movement of the load plate.Type: ApplicationFiled: August 28, 2009Publication date: March 4, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHENG-CHI YEH, JIA-HAU LIU
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Publication number: 20100055944Abstract: A contact (1) for an electrical connector mountable on a substrate (3) having at least a via (311) therethrough comprises a medial portion (10), a contact engaging portion (121) extending from the medial portion (10), a solder terminal portion extending from the medial portion (10) in a direction away from said contact engaging portion (121) and includes at least a first spring arm (11) having a standing point (111), and at least an auxiliary foot (112) extending sideway from the first spring arm (11) having a distance with respect to the standing point (111), the contact engaging portion (121) is adapted to engage with a mating contact.Type: ApplicationFiled: August 28, 2009Publication date: March 4, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHUN-YI CHANG, JIA-HAU LIU
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Publication number: 20100035458Abstract: An electrical connector assembly comprises an insulative housing, a plurality of contacts received in the insulation housing, a linking device located in a side of the insulation housing and a load plate linking with the linking device and covering the insulation housing. The load plate has two side arms and an opening between the side arms, an expanding width of the side arm is smaller than a half of a width of the opening, two adjacent side arms of two adjacent load plates in a same row are inserted into a same opening of an opposite load plate in the other row. The electrical connector assembly can save metal material and improve manufacture efficiency.Type: ApplicationFiled: August 11, 2009Publication date: February 11, 2010Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHENG-CHI YEH, JIA-HAU LIU
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Patent number: 7658627Abstract: An electrical connector assembly includes an electrical connector with an insulative housing and a pick-up cap assembled to the electrical connector. The insulative housing defines a substantially rectangular cavity in middle thereof and a number of contacts received in the cavity. The pick-up cap includes a main portion with a planar top surface and a plurality of spring arms extending from opposite edges of the main portion for engaging with the electrical connector. Each spring arm has a locking portion for engaging with the main portion if excessive deformation of the spring arm is encountered.Type: GrantFiled: June 16, 2009Date of Patent: February 9, 2010Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Nan-Hung Lin, Shuo-Hsiu Hsu, Jia-Hau Liu
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Publication number: 20090325409Abstract: An electrical connector assembly comprises an electrical connector and a pick-up cap assembled to the electrical connector. The electrical connector has an insulative housing defining a substantially rectangular cavity in a middle thereof and a plurality of contacts received in the cavity. The pick-up cap comprises a main portion with a planar top surface and a plurality of latching arms extending from two opposite edges of the main portion for engaging with the electrical connector. Each latching arm has an engaging arm extending in a direction for engaging with the electrical connector and a pressing arm extending in an opposite direction. When the pressing arm is pressed inwardly, the engaging arm expands outwardly to release the electrical connector.Type: ApplicationFiled: June 30, 2009Publication date: December 31, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: SHUO-HSIU HSU, JIA-HAU LIU
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Publication number: 20090325399Abstract: An electrical connector (1) for receiving an IC package is provided and includes a frame unit (2) having an opening (21) therein, at least two base units (3) received in the opening (21), and a plurality of contacts (4) retained in the base units (3) respectively. The base units move relative to one another by the force applied by the contacts therein.Type: ApplicationFiled: June 30, 2009Publication date: December 31, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: FANG-JWU LIAO, JIA-HAU LIU
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Publication number: 20090311882Abstract: An electrical connector assembly includes an electrical connector with an insulative housing and a pick-up cap assembled to the electrical connector. The insulative housing defines a substantially rectangular cavity in middle thereof and a number of contacts received in the cavity. The pick-up cap includes a main portion with a planar top surface and a plurality of spring arms extending from opposite edges of the main portion for engaging with the electrical connector. Each spring arm has a locking portion for engaging with the main portion if excessive deformation of the spring arm is encountered.Type: ApplicationFiled: June 16, 2009Publication date: December 17, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: NAN-HUNG LIN, SHUO-HSIU HSU, JIA-HAU LIU
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Publication number: 20090280689Abstract: An electrical contact (1) includes an upper extending portion (11), a lower extending portion (12) and a bridge portion (13). The upper extending portion includes a first contact portion (111), a C-shaped connecting portion (1121) connecting with the first contact portion and a tail portion (1122) extending downwardly from a free end of the C-shaped connecting portion. The lower extending portion includes a second contact portion (121), a vertical portion (1222) and an inclined portion (1221) connecting with the second contact portion and the vertical portion. The bridge portion is integrally formed between the tail portion and the vertical portion. One of the upper extending portion and the lower extending portion rotates around the bridge portion.Type: ApplicationFiled: May 11, 2009Publication date: November 12, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: CHUN-FU LIN, HSIU-YUAN HSU, JIA-HAU LIU
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Publication number: 20090269950Abstract: An electrical terminal (30) received in an insulative housing (10), comprising: a main portion (31); a first contacting portion (32); a second contacting portion (33); wherein the first contacting portion comprises at least a flexible arm (321) and at least an inflexible arm (322), the flexible arm can be flexed along an up-to-down direction, and the inflexible arm hard to flex along the up-to-down direction, the flexible and inflexible arms defines a flexible contacting portion (3210) and inflexible contacting portion (3220), respectively. The flexible contacting portion is higher than the inflexible contacting portion along the up-to-down direction, the flexible contacting portion and the inflexible contacting portion are both contacted to a same corresponding electrical contacting portion; the insulative housing defining a plurality of holes, the main portion of the terminal been fixed in the hole, and the first and second contacting portion extending externally from the insulative housing.Type: ApplicationFiled: April 28, 2009Publication date: October 29, 2009Applicant: HON HAI PRECISION INDUSTRY CO., LTD.Inventors: FANG-JWU LIAO, JIA-HAU LIU
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Publication number: 20090263985Abstract: The electrical connector has an insulative housing and a number of contacts embedded in the housing and distributed in rows and columns. Each of the contact has a pair of contacting arms with a contacting portion thereon for electrically connecting with a pad of the electronic package. The contacting portions of the contacts are arranged in a pattern of contact portions of two adjacent contacts in same row can engage with a same pad on the electronic package when the electrical connector is coupled with the electronic package, such that the contacts of the row are coupled with each other in series. By way above mentioned, pitch between two adjacent contacts can be reduced and a high density of the contacts can be achieved.Type: ApplicationFiled: April 21, 2009Publication date: October 22, 2009Inventors: Jia-Hau Liu, Fang-Jwu Liao
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Publication number: 20090253287Abstract: A contact, adapted for electrically connecting IC package and a printed circuit board, comprises a base, an upper spring arm and a lower spring arm. The upper spring arm is formed with an upper waist portion extending from a top edge of the base and a top end for electrically contacting with the IC package; and the lower spring arm is formed with a lower waist portion extending from a bottom edge of the base and a bottom end for electrically contacting with the printed circuit board. The bottom end has a width larger than that of the top end, and the lower waist portion has a width larger than that of the upper waist and defines a slot in a middle thereof.Type: ApplicationFiled: April 3, 2008Publication date: October 8, 2009Inventors: Igor Polnyi, Jia-Hau Liu, Fang-Chu Liao
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Publication number: 20090203235Abstract: An electrical connector (100) includes a first insulative housing (1), a second insulative housing (2), a soldering contact (4) positioned in the second insulative housing (2) for electrically connecting with a circuit substrate and an electrical contact (3) made of wire, the electrical contact (3) comprising a first retention portion (31) positioned in the first insulative housing (1) with a contacting portion (311) extending beyond the first insulative housing (1) for electrically connecting to an electronic package, a spring portion (32) and a second retention portion (33) positioned in the second insulative housing (2) connected with the soldering contact (4), when the electrical contact (3) is pressed down by the electronic package, the spring portion (32) expanded outwardly and the electrical contact (3) only moves along up-to-down direction, thus make the contacting portion (311) engages with the electronic package with minimal wiping length.Type: ApplicationFiled: November 26, 2008Publication date: August 13, 2009Inventors: Jia-Hau Liu, Fu-Pin Hsieh
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Patent number: 7563105Abstract: A contact (1) is provided for use in a land grid array (LGA) socket (300). The contact (1) of the present invention comprises a support body (12), a first contact arm (13) and a second contact arm (14) respectively extend from the same lengthwise side of the supporting body (12) through a first curved arm (131) and a second curved arm (141), a plurality of barb (111) configured in the support body (12) are adapted to securely hold the contact (1) in a hole (202) of a insulative housing. The two contact arms (13), (14) with different length are parallel one another and not aligned in the same plane for preventing contacts from undesired short caused by touching of adjoining contacts while an integrated circuit is mounted in the socket.Type: GrantFiled: August 18, 2008Date of Patent: July 21, 2009Assignee: Hon Hai Precision Ind. Co., Ltd.Inventors: Jia-Hau Liu, Fu-Pin Hsieh